These steps worked on me:

1. write mongod --port 27017 on cmd
2. then connect to mongo shell : mongo --port 27017
3. create the user admin : use admin db.createUser( { user: "myUserAdmin", pwd: "abc123", roles: [ { role: "userAdminAnyDatabase", db: "admin" } ] } )
4. disconnect mongo shell
5. restart the mongodb : mongod --auth --port 27017
6. start mongo shell : mongo --port 27017 -u "myUserAdmin" -p "abc123" --authenticationDatabase "admin"
7. To authenticate after connecting, Connect the mongo shell to the mongod: mongo --port 27017
8. switch to the authentication database : use admin db.auth("myUserAdmin", "abc123"

Here is how you generate a policy document using node and serverless

"use strict";

const uniqid = require('uniqid');
const crypto = require('crypto');

class Token {

    /**
     * @param {Object} config SSM Parameter store JSON config
     */
    constructor(config) {

        // Ensure some required properties are set in the SSM configuration object
        this.constructor._validateConfig(config);

        this.region = config.region; // AWS region e.g. us-west-2
        this.bucket = config.bucket; // Bucket name only
        this.bucketAcl = config.bucketAcl; // Bucket access policy [private, public-read]
        this.accessKey = config.accessKey; // Access key
        this.secretKey = config.secretKey; // Access key secret

        // Create a really unique videoKey, with folder prefix
        this.key = uniqid() + uniqid.process();

        // The policy requires the date to be this format e.g. 20181109
        const date = new Date().toISOString();
        this.dateString = date.substr(0, 4) + date.substr(5, 2) + date.substr(8, 2);

        // The number of minutes the policy will need to be used by before it expires
        this.policyExpireMinutes = 15;

        // HMAC encryption algorithm used to encrypt everything in the request
        this.encryptionAlgorithm = 'sha256';

        // Client uses encryption algorithm key while making request to S3
        this.clientEncryptionAlgorithm = 'AWS4-HMAC-SHA256';
    }

    /**
     * Returns the parameters that FE will use to directly upload to s3
     *
     * @returns {Object}
     */
    getS3FormParameters() {
        const credentialPath = this._amazonCredentialPath();
        const policy = this._s3UploadPolicy(credentialPath);
        const policyBase64 = new Buffer(JSON.stringify(policy)).toString('base64');
        const signature = this._s3UploadSignature(policyBase64);

        return {
            'key': this.key,
            'acl': this.bucketAcl,
            'success_action_status': '201',
            'policy': policyBase64,
            'endpoint': "https://" + this.bucket + ".s3-accelerate.amazonaws.com",
            'x-amz-algorithm': this.clientEncryptionAlgorithm,
            'x-amz-credential': credentialPath,
            'x-amz-date': this.dateString + 'T000000Z',
            'x-amz-signature': signature
        }
    }

    /**
     * Ensure all required properties are set in SSM Parameter Store Config
     *
     * @param {Object} config
     * @private
     */
    static _validateConfig(config) {
        if (!config.hasOwnProperty('bucket')) {
            throw "'bucket' is required in SSM Parameter Store Config";
        }
        if (!config.hasOwnProperty('region')) {
            throw "'region' is required in SSM Parameter Store Config";
        }
        if (!config.hasOwnProperty('accessKey')) {
            throw "'accessKey' is required in SSM Parameter Store Config";
        }
        if (!config.hasOwnProperty('secretKey')) {
            throw "'secretKey' is required in SSM Parameter Store Config";
        }
    }

    /**
     * Create a special string called a credentials path used in constructing an upload policy
     *
     * @returns {String}
     * @private
     */
    _amazonCredentialPath() {
        return this.accessKey + '/' + this.dateString + '/' + this.region + '/s3/aws4_request';
    }

    /**
     * Create an upload policy
     *
     * @param {String} credentialPath
     *
     * @returns {{expiration: string, conditions: *[]}}
     * @private
     */
    _s3UploadPolicy(credentialPath) {
        return {
            expiration: this._getPolicyExpirationISODate(),
            conditions: [
                {bucket: this.bucket},
                {key: this.key},
                {acl: this.bucketAcl},
                {success_action_status: "201"},
                {'x-amz-algorithm': 'AWS4-HMAC-SHA256'},
                {'x-amz-credential': credentialPath},
                {'x-amz-date': this.dateString + 'T000000Z'}
            ],
        }
    }

    /**
     * ISO formatted date string of when the policy will expire
     *
     * @returns {String}
     * @private
     */
    _getPolicyExpirationISODate() {
        return new Date((new Date).getTime() + (this.policyExpireMinutes * 60 * 1000)).toISOString();
    }

    /**
     * HMAC encode a string by a given key
     *
     * @param {String} key
     * @param {String} string
     *
     * @returns {String}
     * @private
     */
    _encryptHmac(key, string) {
        const hmac = crypto.createHmac(
            this.encryptionAlgorithm, key
        );
        hmac.end(string);

        return hmac.read();
    }

    /**
     * Create an upload signature from provided params
     * https://docs.aws.amazon.com/AmazonS3/latest/API/sig-v4-authenticating-requests.html#signing-request-intro
     *
     * @param policyBase64
     *
     * @returns {String}
     * @private
     */
    _s3UploadSignature(policyBase64) {
        const dateKey = this._encryptHmac('AWS4' + this.secretKey, this.dateString);
        const dateRegionKey = this._encryptHmac(dateKey, this.region);
        const dateRegionServiceKey = this._encryptHmac(dateRegionKey, 's3');
        const signingKey = this._encryptHmac(dateRegionServiceKey, 'aws4_request');

        return this._encryptHmac(signingKey, policyBase64).toString('hex');
    }
}

module.exports = Token;

The configuration object used is stored in SSM Parameter Store and looks like this

{
    "bucket": "my-bucket-name",
    "region": "us-west-2",
    "bucketAcl": "private",
    "accessKey": "MY_ACCESS_KEY",
    "secretKey": "MY_SECRET_ACCESS_KEY",
}

I use a customized version of DX Auth. I found it simple to use, extremely easy to modify and it has a user guide (with great examples) that is very similar to Code Igniter's.

This is an alternative if you don't want to use claims all the time. Take a look at this tutorial by Ben Foster.

public class AppUser : ClaimsPrincipal
{
    public AppUser(ClaimsPrincipal principal)
        : base(principal)
    {
    }

    public string Name
    {
        get
        {
            return this.FindFirst(ClaimTypes.Name).Value;
        } 
    }

}

Then you can add a base controller.

public abstract class AppController : Controller
{       
    public AppUser CurrentUser
    {
        get
        {
            return new AppUser(this.User as ClaimsPrincipal);
        }
    }
}

In you controller, you would do:

public class HomeController : AppController
{
    public ActionResult Index()
    {
        ViewBag.Name = CurrentUser.Name;
        return View();
    }
}

1.) Storage of database passwords Use some kind of hash with a salt and then alter the hash, obfuscate it, for example add a distinct value for each byte. That way your passwords a super secured against dictionary attacks and rainbow tables.

2.) To check if the password matches, create your hash for the password the user put in. Then perform a query against the database for the username and just check if the two password hashes are identical. If they are, give the user an authentication token.

The query should then look like this:

select hashedPassword from users where username=?

Then compare the password to the input.

Further questions?

If your protocol is http and you are using Subversion 1.7, you can switch the user at anytime by simply using the global --username option on any command.

When Ingo's method didn't work for me, this was what I found that worked.

You have to make sure your DLL is in the classpath.

One such way to do so is to put the path to the DLL in PATH environment variable.

Other option is to add it to the VM arguments in the variable LD_LIBRARY_PATH, like this:

java -Djava.library.path=/path/to/my/dll -cp /my/classpath/goes/here MainClass

Once an instance has been started, there is no way to change the keypair associated with the instance at a meta data level, but you can change what ssh key you use to connect to the instance.

stackoverflow.com/questions/7881469/change-key-pair-for-ec2-instance

Unfortunately there is no "simple" way to check a users credentials on AD.

With every method presented so far, you may get a false-negative: A user's creds will be valid, however AD will return false under certain circumstances:

• User is required to Change Password at Next Logon.
• User's password has expired.

ActiveDirectory will not allow you to use LDAP to determine if a password is invalid due to the fact that a user must change password or if their password has expired.

To determine password change or password expired, you may call Win32:LogonUser(), and check the windows error code for the following 2 constants:

• ERROR_PASSWORD_MUST_CHANGE = 1907
• ERROR_PASSWORD_EXPIRED = 1330

REST means working with the standards of the web, and the standard for "secure" transfer on the web is SSL. Anything else is going to be kind of funky and require extra deployment effort for clients, which will have to have encryption libraries available.

Once you commit to SSL, there's really nothing fancy required for authentication in principle. You can again go with web standards and use HTTP Basic auth (username and secret token sent along with each request) as it's much simpler than an elaborate signing protocol, and still effective in the context of a secure connection. You just need to be sure the password never goes over plain text; so if the password is ever received over a plain text connection, you might even disable the password and mail the developer. You should also ensure the credentials aren't logged anywhere upon receipt, just as you wouldn't log a regular password.

HTTP Digest is a safer approach as it prevents the secret token being passed along; instead, it's a hash the server can verify on the other end. Though it may be overkill for less sensitive applications if you've taken the precautions mentioned above. After all, the user's password is already transmitted in plain-text when they log in (unless you're doing some fancy JavaScript encryption in the browser), and likewise their cookies on each request.

Note that with APIs, it's better for the client to be passing tokens - randomly generated strings - instead of the password the developer logs into the website with. So the developer should be able to log into your site and generate new tokens that can be used for API verification.

The main reason to use a token is that it can be replaced if it's compromised, whereas if the password is compromised, the owner could log into the developer's account and do anything they want with it. A further advantage of tokens is you can issue multiple tokens to the same developers. Perhaps because they have multiple apps or because they want tokens with different access levels.

(Updated to cover implications of making the connection SSL-only.)

In SQL Server Management Studio, go to Object Explorer > (your server) > Security > Logins and right-click New Login:

Then in the dialog box that pops up, pick the types of objects you want to see (Groups is disabled by default - check it!) and pick the location where you want to look for your objects (e.g. use Entire Directory) and then find your AD group.

You now have a regular SQL Server Login - just like when you create one for a single AD user. Give that new login the permissions on the databases it needs, and off you go!

Any member of that AD group can now login to SQL Server and use your database.

You can also install Git Credential Manager for Windows to save Git passwords in Windows credentials manager instead of _netrc. This is a more secure way to store passwords.

If you have cloned HTTPS instead of SSH and facing issue with username and password prompt on pull, push and fetch. You can solve this problem simply for UBUNTU

Step 1: move to root directory

cd ~/

create a file .git-credentials

Add this content to that file with you usename password and githosting URL

https://user:[email protected]

Then execute the command

git config --global credential.helper store

Now you will be able to pull push and fetch all details from your repo without any hassle.

With the new (Android 6.0) fingerprint hardware and API you can do it as in this github sample application.

I had the same problem as you a while back. I can't remember the details but the following code got things working for me. This code is used within a Spring Webflow flow, hence the RequestContext and ExternalContext classes. But the part that is most relevant to you is the doAutoLogin method.

public String registerUser(UserRegistrationFormBean userRegistrationFormBean,
                           RequestContext requestContext,
                           ExternalContext externalContext) {

    try {
        Locale userLocale = requestContext.getExternalContext().getLocale();
        this.userService.createNewUser(userRegistrationFormBean, userLocale, Constants.SYSTEM_USER_ID);
        String emailAddress = userRegistrationFormBean.getChooseEmailAddressFormBean().getEmailAddress();
        String password = userRegistrationFormBean.getChoosePasswordFormBean().getPassword();
        doAutoLogin(emailAddress, password, (HttpServletRequest) externalContext.getNativeRequest());
        return "success";

    } catch (EmailAddressNotUniqueException e) {
        MessageResolver messageResolvable 
                = new MessageBuilder().error()
                                      .source(UserRegistrationFormBean.PROPERTYNAME_EMAIL_ADDRESS)
                                      .code("userRegistration.emailAddress.not.unique")
                                      .build();
        requestContext.getMessageContext().addMessage(messageResolvable);
        return "error";
    }

}


private void doAutoLogin(String username, String password, HttpServletRequest request) {

    try {
        // Must be called from request filtered by Spring Security, otherwise SecurityContextHolder is not updated
        UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(username, password);
        token.setDetails(new WebAuthenticationDetails(request));
        Authentication authentication = this.authenticationProvider.authenticate(token);
        logger.debug("Logging in with [{}]", authentication.getPrincipal());
        SecurityContextHolder.getContext().setAuthentication(authentication);
    } catch (Exception e) {
        SecurityContextHolder.getContext().setAuthentication(null);
        logger.error("Failure in autoLogin", e);
    }

}

First and foremost, a RESTful web service is STATELESS (or in other words, SESSIONLESS). Therefore, a RESTful service does not have and should not have a concept of session or cookies involved. The way to do authentication or authorization in the RESTful service is by using the HTTP Authorization header as defined in the RFC 2616 HTTP specifications. Every single request should contain the HTTP Authorization header, and the request should be sent over an HTTPs (SSL) connection. This is the correct way to do authentication and to verify the authorization of requests in a HTTP RESTful web services. I have implemented a RESTful web service for the Cisco PRIME Performance Manager application at Cisco Systems. And as part of that web service, I have implemented authentication/authorization as well.

Here is a very simply example in simple php.

There are 2 files client.php & api.php. I put both files on the same url : http://localhost:8888/, so you will have to change the link to your own url. (the file can be on two different servers).

This is just an example, it's very quick and dirty, plus it has been a long time since I've done php. But this is the idea of an api.

client.php

<?php

/*** this is the client ***/


if (isset($_GET["action"]) && isset($_GET["id"]) && $_GET["action"] == "get_user") // if the get parameter action is get_user and if the id is set, call the api to get the user information
{
  $user_info = file_get_contents('http://localhost:8888/api.php?action=get_user&id=' . $_GET["id"]);
  $user_info = json_decode($user_info, true);

  // THAT IS VERY QUICK AND DIRTY !!!!!
  ?>
    <table>
      <tr>
        <td>Name: </td><td> <?php echo $user_info["last_name"] ?></td>
      </tr>
      <tr>
        <td>First Name: </td><td> <?php echo $user_info["first_name"] ?></td>
      </tr>
      <tr>
        <td>Age: </td><td> <?php echo $user_info["age"] ?></td>
      </tr>
    </table>
    <a href="http://localhost:8888/client.php?action=get_userlist" alt="user list">Return to the user list</a>
  <?php
}
else // else take the user list
{
  $user_list = file_get_contents('http://localhost:8888/api.php?action=get_user_list');
  $user_list = json_decode($user_list, true);
  // THAT IS VERY QUICK AND DIRTY !!!!!
  ?>
    <ul>
    <?php foreach ($user_list as $user): ?>
      <li>
        <a href=<?php echo "http://localhost:8888/client.php?action=get_user&id=" . $user["id"]  ?> alt=<?php echo "user_" . $user_["id"] ?>><?php echo $user["name"] ?></a>
    </li>
    <?php endforeach; ?>
    </ul>
  <?php
}

?>

api.php

<?php

// This is the API to possibility show the user list, and show a specific user by action.

function get_user_by_id($id)
{
  $user_info = array();

  // make a call in db.
  switch ($id){
    case 1:
      $user_info = array("first_name" => "Marc", "last_name" => "Simon", "age" => 21); // let's say first_name, last_name, age
      break;
    case 2:
      $user_info = array("first_name" => "Frederic", "last_name" => "Zannetie", "age" => 24);
      break;
    case 3:
      $user_info = array("first_name" => "Laure", "last_name" => "Carbonnel", "age" => 45);
      break;
  }

  return $user_info;
}

function get_user_list()
{
  $user_list = array(array("id" => 1, "name" => "Simon"), array("id" => 2, "name" => "Zannetie"), array("id" => 3, "name" => "Carbonnel")); // call in db, here I make a list of 3 users.

  return $user_list;
}

$possible_url = array("get_user_list", "get_user");

$value = "An error has occurred";

if (isset($_GET["action"]) && in_array($_GET["action"], $possible_url))
{
  switch ($_GET["action"])
    {
      case "get_user_list":
        $value = get_user_list();
        break;
      case "get_user":
        if (isset($_GET["id"]))
          $value = get_user_by_id($_GET["id"]);
        else
          $value = "Missing argument";
        break;
    }
}

exit(json_encode($value));

?>

I didn't make any call to the database for this example, but normally that is what you should do. You should also replace the "file_get_contents" function by "curl".

My problem was that I had http://localhost:3000/ in the address bar and had http://127.0.0.1:3000/ in the console.developers.google.com

ASP.Net Web API has Authorization Server build-in already. You can see it inside Startup.cs when you create a new ASP.Net Web Application with Web API template.

OAuthOptions = new OAuthAuthorizationServerOptions
{
    TokenEndpointPath = new PathString("/Token"),
    Provider = new ApplicationOAuthProvider(PublicClientId),
    AuthorizeEndpointPath = new PathString("/api/Account/ExternalLogin"),
    AccessTokenExpireTimeSpan = TimeSpan.FromDays(14),
    // In production mode set AllowInsecureHttp = false
    AllowInsecureHttp = true
};

All you have to do is to post URL encoded username and password inside query string.

/Token/userName=johndoe%40example.com&password=1234&grant_type=password

If you want to know more detail, you can watch User Registration and Login - Angular Front to Back with Web API by Deborah Kurata.

redirected uri is the location where the user will be redirected after successfully login to your app. for example to get access token for your app in facebook you need to subimt redirected uri which is nothing only the app Domain that your provide when you create your facebook app.

Subversion usually asks me for my "Subversion username" if it fails using my logged in username. So, when I am lazy (usually) I'll just let it ask me for my password and I'll hit enter, and wait for the username prompt and use my Subversion username.

Otherwise, Michael's solution is a good way to specify the username right off.

As rightly said by previous posts, one of way is to implement a custom basic authentication middleware. I found the best working code with explanation in this blog: Basic Auth with custom middleware

I referred the same blog but had to do 2 adaptations:

1. While adding the middleware in startup file -> Configure function, always add custom middleware before adding app.UseMvc().

2. While reading the username, password from appsettings.json file, add static read only property in Startup file. Then read from appsettings.json. Finally, read the values from anywhere in the project. Example:

   public class Startup
   {
     public Startup(IConfiguration configuration)
     {
       Configuration = configuration;
     }
   
     public IConfiguration Configuration { get; }
     public static string UserNameFromAppSettings { get; private set; }
     public static string PasswordFromAppSettings { get; private set; }
   
     //set username and password from appsettings.json
     UserNameFromAppSettings = Configuration.GetSection("BasicAuth").GetSection("UserName").Value;
     PasswordFromAppSettings = Configuration.GetSection("BasicAuth").GetSection("Password").Value;
   }
   

Here's my Swifty solution for any future onlookers.

1) Create a protocol to handle both login and logout functions:

protocol LoginFlowHandler {
    func handleLogin(withWindow window: UIWindow?)
    func handleLogout(withWindow window: UIWindow?)
}

2) Extend said protocol and provide the functionality here for logging out:

extension LoginFlowHandler {

    func handleLogin(withWindow window: UIWindow?) {

        if let _ = AppState.shared.currentUserId {
            //User has logged in before, cache and continue
            self.showMainApp(withWindow: window)
        } else {
            //No user information, show login flow
            self.showLogin(withWindow: window)
        }
    }

    func handleLogout(withWindow window: UIWindow?) {

        AppState.shared.signOut()

        showLogin(withWindow: window)
    }

    func showLogin(withWindow window: UIWindow?) {
        window?.subviews.forEach { $0.removeFromSuperview() }
        window?.rootViewController = nil
        window?.rootViewController = R.storyboard.login.instantiateInitialViewController()
        window?.makeKeyAndVisible()
    }

    func showMainApp(withWindow window: UIWindow?) {
        window?.rootViewController = nil
        window?.rootViewController = R.storyboard.mainTabBar.instantiateInitialViewController()
        window?.makeKeyAndVisible()
    }

}

3) Then I can conform my AppDelegate to the LoginFlowHandler protocol, and call handleLogin on startup:

class AppDelegate: UIResponder, UIApplicationDelegate, LoginFlowHandler {

    var window: UIWindow?

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {

        window = UIWindow.init(frame: UIScreen.main.bounds)

        initialiseServices()

        handleLogin(withWindow: window)

        return true
    }

}

From here, my protocol extension will handle the logic or determining if the user if logged in/out, and then change the windows rootViewController accordingly!

For me the issue is resolved by adding domain name in user name as follow:

string userName="yourUserName";
string password="passowrd";
string hostName="LdapServerHostName";
string domain="yourDomain";
System.DirectoryServices.AuthenticationTypes option = System.DirectoryServices.AuthenticationTypes.SecureSocketsLayer; 
string userNameWithDomain = string.Format("{0}@{1}",userName , domain);
DirectoryEntry directoryOU = new DirectoryEntry("LDAP://" + hostName, userNameWithDomain, password, option);

If you haven't restarted your SQL database Server after you make login changes, then make sure you do that. Start->Programs->Microsoft SQL Server -> Configuration tools -> SQL Server configuration manager -> Restart Server.

It looks like you only added the user to the server. You need to add them to the database too. Either open the database/Security/User/Add New User or open the server/Security/Logins/Properties/User Mapping.

It is easier to remove the "Default Web Site" and create a new one if you do not have any limitations.

I did it and my problem solved.

The following construction was not working correctly for me:

request.Credentials = new NetworkCredential("user", "pass");

I have used CredentialCache instead:

CredentialCache credentialCache = new CredentialCache
{
    {
        new Uri($"http://{request.Host}/"), "Basic",
        new NetworkCredential("user", "pass")
    }
};
request.Credentials = credentialCache;

However, if you would like to add multiple basic auth credentials (for example if there is redirection that you are aware of) you can use following function that I have made:

private void SetNetworkCredential(Uri uriPrefix, string authType, NetworkCredential credential)
{
    if (request.Credentials == null)
    {
        request.Credentials = new CredentialCache();
    }

    if (request.Credentials.GetCredential(uriPrefix, authType) == null)
    {
        (request.Credentials as CredentialCache).Add(uriPrefix, authType, credential);
    }
}

I hope it will help somebody in the future.

A typical web app is mostly stateless, because of its request/response nature. The HTTP protocol is the best example of a stateless protocol. But since most web apps need state, in order to hold the state between server and client, cookies are used such that the server can send a cookie in every response back to the client. This means the next request made from the client will include this cookie and will thus be recognized by the server. This way the server can maintain a session with the stateless client, knowing mostly everything about the app's state, but stored in the server. In this scenario at no moment does the client hold state, which is not how Ember.js works.

In Ember.js things are different. Ember.js makes the programmer's job easier because it holds indeed the state for you, in the client, knowing at every moment about its state without having to make a request to the server asking for state data.

However, holding state in the client can also sometimes introduce concurrency issues that are simply not present in stateless situations. Ember.js, however, deals also with these issues for you; specifically ember-data is built with this in mind. In conclusion, Ember.js is a framework designed for stateful clients.

Ember.js does not work like a typical stateless web app where the session, the state and the corresponding cookies are handled almost completely by the server. Ember.js holds its state completely in Javascript (in the client's memory, and not in the DOM like some other frameworks) and does not need the server to manage the session. This results in Ember.js being more versatile in many situations, e.g. when your app is in offline mode.

Obviously, for security reasons, it does need some kind of token or unique key to be sent to the server everytime a request is made in order to be authenticated. This way the server can look up the send token (which was initially issued by the server) and verify if it's valid before sending a response back to the client.

In my opinion, the main reason why to use an authentication token instead of cookies as stated in Ember Auth FAQ is primarily because of the nature of the Ember.js framework and also because it fits more with the stateful web app paradigm. Therefore the cookie mechanism is not the best approach when building an Ember.js app.

I hope my answer will give more meaning to your question.

dump and restore with --no-owner --no-privileges flags

e.g.

dump - pg_dump --no-owner --no-privileges --format=c --dbname=postgres://userpass:username@postgres:5432/schemaname > /tmp/full.dump

restore - pg_restore --no-owner --no-privileges --format=c --dbname=postgres://userpass:username@postgres:5432/schemaname /tmp/full.dump

There are three ways to compare OAuth and OpenID:

1. Purposes

OpenID was created for federated authentication, that is, letting a third-party authenticate your users for you, by using accounts they already have. The term federated is critical here because the whole point of OpenID is that any provider can be used (with the exception of white-lists). You don't need to pre-choose or negotiate a deal with the providers to allow users to use any other account they have.

OAuth was created to remove the need for users to share their passwords with third-party applications. It actually started as a way to solve an OpenID problem: if you support OpenID on your site, you can't use HTTP Basic credentials (username and password) to provide an API because the users don't have a password on your site.

The problem is with this separation of OpenID for authentication and OAuth for authorization is that both protocols can accomplish many of the same things. They each provide a different set of features which are desired by different implementations but essentially, they are pretty interchangeable. At their core, both protocols are an assertion verification method (OpenID is limited to the 'this is who I am' assertion, while OAuth provides an 'access token' that can be exchanged for any supported assertion via an API).

2. Features

Both protocols provide a way for a site to redirect a user somewhere else and come back with a verifiable assertion. OpenID provides an identity assertion while OAuth is more generic in the form of an access token which can then be used to "ask the OAuth provider questions". However, they each support different features:

OpenID - the most important feature of OpenID is its discovery process. OpenID does not require hard coding each the providers you want to use ahead of time. Using discovery, the user can choose any third-party provider they want to authenticate. This discovery feature has also caused most of OpenID's problems because the way it is implemented is by using HTTP URIs as identifiers which most web users just don't get. Other features OpenID has is its support for ad-hoc client registration using a DH exchange, immediate mode for optimized end-user experience, and a way to verify assertions without making another round-trip to the provider.

OAuth - the most important feature of OAuth is the access token which provides a long lasting method of making additional requests. Unlike OpenID, OAuth does not end with authentication but provides an access token to gain access to additional resources provided by the same third-party service. However, since OAuth does not support discovery, it requires pre-selecting and hard-coding the providers you decide to use. A user visiting your site cannot use any identifier, only those pre-selected by you. Also, OAuth does not have a concept of identity so using it for login means either adding a custom parameter (as done by Twitter) or making another API call to get the currently "logged in" user.

3. Technical Implementations

The two protocols share a common architecture in using redirection to obtain user authorization. In OAuth the user authorizes access to their protected resources and in OpenID, to their identity. But that's all they share.

Each protocol has a different way of calculating a signature used to verify the authenticity of the request or response, and each has different registration requirements.

@Manish Jain, I suggest to implement the method with boolean return:

public class UserManager
{

    // Additional code here...            

    public async Task<bool> SignIn(HttpContext httpContext, UserDbModel user)
    {
        // Additional code here...            

        // Here the real authentication against a DB or Web Services or whatever 
        if (user.Email != null)
            return false;                    

        ClaimsIdentity identity = new ClaimsIdentity(this.GetUserClaims(dbUserData), CookieAuthenticationDefaults.AuthenticationScheme);
        ClaimsPrincipal principal = new ClaimsPrincipal(identity);

        // This is for give the authentication cookie to the user when authentication condition was met
        await httpContext.SignInAsync(CookieAuthenticationDefaults.AuthenticationScheme, principal);
        return true;
    }
}

Cookie-Based Authentication

Cookies based Authentication works normally in these 4 steps-

1. The user provides a username and password in the login form and clicks Log In.
2. After the request is made, the server validate the user on the backend by querying in the database. If the request is valid, it will create a session by using the user information fetched from the database and store them, for each session a unique id called session Id is created ,by default session Id is will be given to client through the Browser.

3. Browser will submit this session Id on each subsequent requests, the session ID is verified against the database, based on this session id website will identify the session belonging to which client and then give access the request.

4. Once a user logs out of the app, the session is destroyed both client-side and server-side.

Basic Authentication use base 64 Encoding for generating cryptographic string which contains the information of username and password.

Digest Access Authentication uses the hashing methodologies to generate the cryptographic result

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Security;
using System.DirectoryServices.AccountManagement;

public struct Credentials
{
    public string Username;
    public string Password;
}

public class Domain_Authentication
{
    public Credentials Credentials;
    public string Domain;

    public Domain_Authentication(string Username, string Password, string SDomain)
    {
        Credentials.Username = Username;
        Credentials.Password = Password;
        Domain = SDomain;
    }

    public bool IsValid()
    {
        using (PrincipalContext pc = new PrincipalContext(ContextType.Domain, Domain))
        {
            // validate the credentials
            return pc.ValidateCredentials(Credentials.Username, Credentials.Password);
        }
    }
}

I believe the approach:

1. First request, client sends id/passcode
2. Exchange id/pass for unique token
3. Validate token on each subsequent request until it expires

is pretty standard, regardless of how you implement and other specific technical details.

If you really want to push the envelope, perhaps you could regard the client's https key in a temporarily invalid state until the credentials are validated, limit information if they never are, and grant access when they are validated, based again on expiration.

Hope this helps

In Laravel 8.6, the following works for me in a controller:

$id = auth()->user()->id;

What's the first part of your Subversion repository URL?

• If your URL looks like: http://subversion/repos/, then you're probably going over Port 80.
• If your URL looks like: https://subversion/repos/, then you're probably going over Port 443.
• If your URL looks like: svn://subversion/, then you're probably going over Port 3690.
• If your URL looks like: svn+ssh://subversion/repos/, then you're probably going over Port 22.
• If your URL contains a port number like: http://subversion/repos:8080, then you're using that port.

I can't guarantee the first four since it's possible to reconfigure everything to use different ports, of if you go through a proxy of some sort.

If you're using a VPN, you may have to configure your VPN client to reroute these to their correct ports. A lot of places don't configure their correctly VPNs to do this type of proxying. It's either because they have some sort of anal-retentive IT person who's being overly security conscious, or because they simply don't know any better. Even worse, they'll give you a client where this stuff can't be reconfigured.

The only way around that is to log into a local machine over the VPN, and then do everything from that system.

You may do a session and place it:

// Start session
session_start();

// Check do the person logged in
if($_SESSION['username']==NULL){
    // Haven't log in
    echo "You haven't log in";
}else{
    // Logged in
    echo "Successfully logged in!";
}

Note: you must make a form which contain $_SESSION['username'] = $login_input_username;

If the web service being invoked uses windows integrated security, creating a NetworkCredential from the current WindowsIdentity should be sufficient to allow the web service to use the current users windows login. However, if the web service uses a different security model, there isn't any way to extract a users password from the current identity ... that in and of itself would be insecure, allowing you, the developer, to steal your users passwords. You will likely need to provide some way for your user to provide their password, and keep it in some secure cache if you don't want them to have to repeatedly provide it.

Edit: To get the credentials for the current identity, use the following:

Uri uri = new Uri("http://tempuri.org/");
ICredentials credentials = CredentialCache.DefaultCredentials;
NetworkCredential credential = credentials.GetCredential(uri, "Basic");

I'd like to add one suggestion I've used, based on defense in depth. You don't need to have the same auth&auth system for admins as regular users. You can have a separate login form on a separate url executing separate code for requests that will grant high privileges. This one can make choices that would be a total pain to regular users. One such that I've used is to actually scramble the login URL for admin access and email the admin the new URL. Stops any brute force attack right away as your new URL can be arbitrarily difficult (very long random string) but your admin user's only inconvenience is following a link in their email. The attacker no longer knows where to even POST to.

There are 3 authentication protocols that can be used to perform authentication between Java and Active Directory on Linux or any other platform (and these are not just specific to HTTP services):

1. Kerberos - Kerberos provides Single Sign-On (SSO) and delegation but web servers also need SPNEGO support to accept SSO through IE.

2. NTLM - NTLM supports SSO through IE (and other browsers if they are properly configured).

3. LDAP - An LDAP bind can be used to simply validate an account name and password.

There's also something called "ADFS" which provides SSO for websites using SAML that calls into the Windows SSP so in practice it's basically a roundabout way of using one of the other above protocols.

Each protocol has it's advantages but as a rule of thumb, for maximum compatibility you should generally try to "do as Windows does". So what does Windows do?

First, authentication between two Windows machines favors Kerberos because servers do not need to communicate with the DC and clients can cache Kerberos tickets which reduces load on the DCs (and because Kerberos supports delegation).

But if the authenticating parties do not both have domain accounts or if the client cannot communicate with the DC, NTLM is required. So Kerberos and NTLM are not mutually exclusive and NTLM is not obsoleted by Kerberos. In fact in some ways NTLM is better than Kerberos. Note that when mentioning Kerberos and NTLM in the same breath I have to also mention SPENGO and Integrated Windows Authentication (IWA). IWA is a simple term that basically means Kerberos or NTLM or SPNEGO to negotiate Kerberos or NTLM.

Using an LDAP bind as a way to validate credentials is not efficient and requires SSL. But until recently implementing Kerberos and NTLM have been difficult so using LDAP as a make-shift authentication service has persisted. But at this point it should generally be avoided. LDAP is a directory of information and not an authentication service. Use it for it's intended purpose.

So how do you implement Kerberos or NTLM in Java and in the context of web applications in particular?

There are a number of big companies like Quest Software and Centrify that have solutions that specifically mention Java. I can't really comment on these as they are company-wide "identity management solutions" so, from looking the marketing spin on their website, it's hard to tell exactly what protocols are being used and how. You would need to contact them for the details.

Implementing Kerberos in Java is not terribly hard as the standard Java libraries support Kerberos through the org.ietf.gssapi classes. However, until recently there's been a major hurdle - IE doesn't send raw Kerberos tokens, it sends SPNEGO tokens. But with Java 6, SPNEGO has been implemented. In theory you should be able to write some GSSAPI code that can authenticate IE clients. But I haven't tried it. The Sun implementation of Kerberos has been a comedy of errors over the years so based on Sun's track record in this area I wouldn't make any promises about their SPENGO implementation until you have that bird in hand.

For NTLM, there is a Free OSS project called JCIFS that has an NTLM HTTP authentication Servlet Filter. However it uses a man-in-the-middle method to validate the credentials with an SMB server that does not work with NTLMv2 (which is slowly becoming a required domain security policy). For that reason and others, the HTTP Filter part of JCIFS is scheduled to be removed. Note that there are number of spin-offs that use JCIFS to implement the same technique. So if you see other projects that claim to support NTLM SSO, check the fine print.

The only correct way to validate NTLM credentials with Active Directory is using the NetrLogonSamLogon DCERPC call over NETLOGON with Secure Channel. Does such a thing exist in Java? Yes. Here it is:

http://www.ioplex.com/jespa.html

Jespa is a 100% Java NTLM implementation that supports NTLMv2, NTLMv1, full integrity and confidentiality options and the aforementioned NETLOGON credential validation. And it includes an HTTP SSO Filter, a JAAS LoginModule, HTTP client, SASL client and server (with JNDI binding), generic "security provider" for creating custom NTLM services and more.

Mike

I have the same setup that you do, and this works fine for me. I think that maybe the problem lies somewhere on your moss configuration or on your network.

You said that moss resides on the same domain as your application. If you have access to the site with your user (that is logged into your machine)... have you tried:

client.ClientCredentials.Windows.ClientCredential = System.Net.CredentialCache.DefaultNetworkCredentials;

If you want an argument that might appeal to a boss: Think about what a URL is. URLs are public. People copy and paste them. They share them, they put them on advertisements. Nothing prevents someone (knowingly or not) from mailing that URL around for other people to use. If your API key is in that URL, everybody has it.

I would suggest that the current solution is to use my package urllib2_prior_auth which solves this pretty nicely (I work on inclusion to the standard lib.

If your database client connects with TCP/IP and you have ident auth configured in your pg_hba.conf check that you have an identd installed and running. This is mandatory even if you have only local clients connecting to "localhost".

Also beware that nowadays the identd may have to be IPv6 enabled for Postgresql to welcome clients which connect to localhost.

Yes, this is an old question. But it's misleading, as this was the first result in my search, and both the answers aren't correct anymore.

You can change your Github account name at any time.

To do this, click your profile picture > Settings > Account Settings > Change Username.

Links to your repositories will redirect to the new URLs, but they should be updated on other sites because someone who chooses your abandoned username can override the links. Links to your profile page will be 404'd.

For more information, see the official help page.

And furthermore, if you want to change your username to something else, but that specific username is being taken up by someone else who has been completely inactive for the entire time their account has existed, you can report their account for name squatting.

For express, upgrade your express library to 4.17.1 which is the latest stable version. Then;

In CorsOption: Set origin to your localhost url or your frontend production url and credentials to true e.g

  const corsOptions = {
    origin: config.get("origin"),
    credentials: true,
  };

I set my origin dynamically using config npm module.

Then , in res.cookie:

For localhost: you do not need to set sameSite and secure option at all, you can set httpOnly to true for http cookie to prevent XSS attack and other useful options depending on your use case.

For production environment, you need to set sameSite to none for cross-origin request and secure to true. Remember sameSite works with express latest version only as at now and latest chrome version only set cookie over https, thus the need for secure option.

Here is how I made mine dynamic

 res
    .cookie("access_token", token, {
      httpOnly: true,
      sameSite: app.get("env") === "development" ? true : "none",
      secure: app.get("env") === "development" ? false : true,
    })

Problem Statement: "git fatal authentication failed". I am using bitbucket.

Solution: I simply deleted the user from using access management of bitbucket and then added the same user. The .gitconfig file is simple

[user]
    name = BlaBla
    email = [email protected]

[push]
    default = simple

I was tinkering around when moving our applications to HTML5 with RESTful apis in the backend. The solution that I came up with was:

1. Client is issued with a token with a session time of 30 mins (or whatever the usual server side session time) upon successful login.
2. A client-side timer is created to call a service to renew the token before its expiring time. The new token will replace the existing in future calls.

As you can see, this reduces the frequent refresh token requests. If user closes the browser/app before the renew token call is triggered, the previous token will expire in time and user will have to re-login.

A more complicated strategy can be implemented to cater for user inactivity (e.g. neglected an opened browser tab). In that case, the renew token call should include the expected expiring time which should not exceed the defined session time. The application will have to keep track of the last user interaction accordingly.

I don't like the idea of setting long expiration hence this approach may not work well with native applications requiring less frequent authentication.

since your local username on your laptop frequently does not match the server's username, you can set this in the ~/.subversion/servers file

Add the server to the [groups] section with a name, then add a section with that name and provide a username.

for example, for a login like [email protected] this is what your config would look like:

[groups]
exampleserver = svn.example.com

[exampleserver]
username = me

Let me show you and Apache alternative- IIS which is need it before start real JQuery Ajax authentication

If we have /secure/* path for example. We need to create web.config and to prohibited access. Only after before send applayed must be able to access it pages in /secure paths

<?xml version="1.0"?>
<configuration>
  <system.web>
    <!-- Anonymous users are denied access to this folder (and its subfolders) -->
    <authorization>
      <deny users="?" />
    </authorization>
  </system.web>
</configuration>



<security>
   <authentication>
      <anonymousAuthentication enabled="false" />
      <basicAuthentication enabled="true" />
   </authentication>
</security>

This is very good question.

python manage.py changepassword user_name

Example :-

python manage.py changepassword mickey

JWT is an open standard that defines a compact and self-contained way for securely transmitting information between parties. It is an authentication protocol where we allow encoded claims (tokens) to be transferred between two parties (client and server) and the token is issued upon the identification of a client. With each subsequent request we send the token.

Whereas OAuth2 is an authorization framework, where it has a general procedures and setups defined by the framework. JWT can be used as a mechanism inside OAuth2.

You can read more on this here

OAuth or JWT? Which one to use and why?

This might be old but somebody might get help through this. I too faced the same problem and received a mail on my gmail account stating that someone is trying to hack your account through an email client or a different site. THen I searched and found that doing below would resolve this issue.

Go to https://accounts.google.com/UnlockCaptcha? and unlock your account for access through other media/sites.

UPDATE : 2015

Also, you can try this, Go to https://myaccount.google.com/security#connectedapps At the bottom, towards right there is an option "Allow less secure apps". If it is "OFF", turn it on by sliding the button.

I found this: https://github.com/PHPGangsta/GoogleAuthenticator. I tested it and works fine for me.

Update for Django 1.10+:

is_authenticated is now an attribute in Django 1.10.

The method was removed in Django 2.0.

For Django 1.9 and older:

is_authenticated is a function. You should call it like

if request.user.is_authenticated():
    # do something if the user is authenticated

As Peter Rowell pointed out, what may be tripping you up is that in the default Django template language, you don't tack on parenthesis to call functions. So you may have seen something like this in template code:

{% if user.is_authenticated %}

However, in Python code, it is indeed a method in the User class.

"userAdmin is effectively the superuser role for a specific database. Users with userAdmin can grant themselves all privileges. However, userAdmin does not explicitly authorize a user for any privileges beyond user administration." from the link you posted

you need to store the token while creating for 1st registration. When you retrieve data from login table you need to differentiate entered date with current date if it is more than 1 day (24 hours) you need to display message like your token is expired.

To generate key refer here

For anyone using Koa and koa-passport:

Know that the key for the user set in the serializeUser method (often a unique id for that user) will be stored in:

this.session.passport.user

When you set in done(null, user) in deserializeUser where 'user' is some user object from your database:

this.req.user OR this.passport.user

for some reason this.user Koa context never gets set when you call done(null, user) in your deserializeUser method.

So you can write your own middleware after the call to app.use(passport.session()) to put it in this.user like so:

app.use(function * setUserInContext (next) {
  this.user = this.req.user
  yield next
})

If you're unclear on how serializeUser and deserializeUser work, just hit me up on twitter. @yvanscher

Try to encode backslash between domain and user

pip --proxy https://domain%5Cuser:password@proxy:port install -r requirements.txt

1. Create your shell script as login.sh in your $HOME folder.

2. Paste the following one-line script into Script Editor:

   do shell script "$HOME/login.sh"

3. Then save it as an application.

4. Finally add the application to your login items.

If you want to make the script output visual, you can swap step 2 for this:

tell application "Terminal"
  activate
  do script "$HOME/login.sh"
end tell

If multiple commands are needed something like this can be used:

tell application "Terminal"
  activate
  do script "cd $HOME"
  do script "./login.sh" in window 1
end tell

Create the user with a password :

http://www.postgresql.org/docs/current/static/sql-createuser.html

CREATE USER name [ [ WITH ] option [ ... ] ]

where option can be:

      SUPERUSER | NOSUPERUSER
    | CREATEDB | NOCREATEDB
    | CREATEROLE | NOCREATEROLE
    | CREATEUSER | NOCREATEUSER
    | INHERIT | NOINHERIT
    | LOGIN | NOLOGIN
    | REPLICATION | NOREPLICATION
    | CONNECTION LIMIT connlimit
    | [ ENCRYPTED | UNENCRYPTED ] PASSWORD 'password'
    | VALID UNTIL 'timestamp'
    | IN ROLE role_name [, ...]
    | IN GROUP role_name [, ...]
    | ROLE role_name [, ...]
    | ADMIN role_name [, ...]
    | USER role_name [, ...]
    | SYSID uid

Then grant the user rights on a specific database :

http://www.postgresql.org/docs/current/static/sql-grant.html

Example :

grant all privileges on database db_name to someuser;

I'll add a bit hint: it seems what you pass as the key value of a header depends on your authorization type, in my case that was PRIVATE-TOKEN

header = {'PRIVATE-TOKEN': 'my_token'}
response = requests.get(myUrl, headers=header)

The simple answer is that you can't reliably log out of http-authentication.

The long answer:
Http-auth (like the rest of the HTTP spec) is meant to be stateless. So being "logged in" or "logged out" isn't really a concept that makes sense. The better way to see it is to ask, for each HTTP request (and remember a page load is usually multiple requests), "are you allowed to do what you're requesting?". The server sees each request as new and unrelated to any previous requests.

Browsers have chosen to remember the credentials you tell them on the first 401, and re-send them without the user's explicit permission on subsequent requests. This is an attempt at giving the user the "logged in/logged out" model they expect, but it's purely a kludge. It's the browser that's simulating this persistence of state. The web server is completely unaware of it.

So "logging out", in the context of http-auth is purely a simulation provided by the browser, and so outside the authority of the server.

Yes, there are kludges. But they break RESTful-ness (if that's of value to you) and they are unreliable.

If you absolutely require a logged-in/logged-out model for your site authentication, the best bet is a tracking cookie, with the persistence of state stored on the server in some manner (mysql, sqlite, flatfile, etc). This will require all requests to be evaluated, for instance, with PHP.

You can use session to to store the current page on which you want to return after login and that will work for other pages if you maintain session properly. It is very useful technique as you can develop your breadcrumb using it.

The web server is prompting you for a SPNEGO (Simple and Protected GSSAPI Negotiation Mechanism) token.

This is a Microsoft invention for negotiating a type of authentication to use for Web SSO (single-sign-on):

• either NTLM
• or Kerberos.

See:

• Microsoft MSDN Library: HTTP-Based Cross-Platform Authentication by Using the Negotiate Protocol
• RFC 4178: The Simple and Protected Generic Security Service Application Program Interface (GSS-API) Negotiation Mechanism

Short answer: "an endpoint is an abstraction that models the end of a message channel through which a system can send or receive messages" (Ibsen, 2010).

Endpoint vs URI (disambiguation)

The endpoint is not the same as a URI. One reason is because a URI can drive to different endpoints like an endpoint to GET, another to POST, and so on. Example:

@GET /api/agents/{agent_id} //Returns data from the agent identified by *agent_id*
@PUT /api/agents/{agent_id} //Update data of the agent identified by *agent_id*

Endpoint vs resource (disambiguation)

The endpoint is not the same as a resource. One reason is because different endpoints can drive to the same resource. Example:

@GET /api/agents/{agent_id} @Produces("application/xml") //Returns data in XML format
@GET /api/agents/{agent_id} @Produces("application/json") //Returns data in JSON format

Basic Authentication wasn't designed to manage logging out. You can do it, but not completely automatically.

What you have to do is have the user click a logout link, and send a ‘401 Unauthorized’ in response, using the same realm and at the same URL folder level as the normal 401 you send requesting a login.

They must be directed to input wrong credentials next, eg. a blank username-and-password, and in response you send back a “You have successfully logged out” page. The wrong/blank credentials will then overwrite the previous correct credentials.

In short, the logout script inverts the logic of the login script, only returning the success page if the user isn't passing the right credentials.

The question is whether the somewhat curious “don't enter your password” password box will meet user acceptance. Password managers that try to auto-fill the password can also get in the way here.

Edit to add in response to comment: re-log-in is a slightly different problem (unless you require a two-step logout/login obviously). You have to reject (401) the first attempt to access the relogin link, than accept the second (which presumably has a different username/password). There are a few ways you could do this. One would be to include the current username in the logout link (eg. /relogin?username), and reject when the credentials match the username.

This is what I did to integrate Identity with an existing database.

1. Create a sample MVC project with MVC template. This has all the code needed for Identity implementation - Startup.Auth.cs, IdentityConfig.cs, Account Controller code, Manage Controller, Models and related views.

2. Install the necessary nuget packages for Identity and OWIN. You will get an idea by seeing the references in the sample Project and the answer by @Sam

3. Copy all these code to your existing project. Please note don't forget to add the "DefaultConnection" connection string for Identity to map to your database. Please check the ApplicationDBContext class in IdentityModel.cs where you will find the reference to "DefaultConnection" connection string.

4. This is the SQL script I ran on my existing database to create necessary tables:

   USE ["YourDatabse"]
   GO
   /****** Object:  Table [dbo].[AspNetRoles]    Script Date: 16-Aug-15 6:52:25 PM ******/
   SET ANSI_NULLS ON
   GO
   SET QUOTED_IDENTIFIER ON
   GO
   CREATE TABLE [dbo].[AspNetRoles](
   [Id] [nvarchar](128) NOT NULL,
   [Name] [nvarchar](256) NOT NULL,
   CONSTRAINT [PK_dbo.AspNetRoles] PRIMARY KEY CLUSTERED 
   (
     [Id] ASC
   )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
   ) ON [PRIMARY]
   
   GO
   /****** Object:  Table [dbo].[AspNetUserClaims]    Script Date: 16-Aug-15 6:52:25 PM ******/
   SET ANSI_NULLS ON
   GO
   SET QUOTED_IDENTIFIER ON
   GO
   CREATE TABLE [dbo].[AspNetUserClaims](
      [Id] [int] IDENTITY(1,1) NOT NULL,
      [UserId] [nvarchar](128) NOT NULL,
      [ClaimType] [nvarchar](max) NULL,
      [ClaimValue] [nvarchar](max) NULL,
   CONSTRAINT [PK_dbo.AspNetUserClaims] PRIMARY KEY CLUSTERED 
   (
      [Id] ASC
   )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
   ) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
   
   GO
   /****** Object:  Table [dbo].[AspNetUserLogins]    Script Date: 16-Aug-15 6:52:25 PM ******/
   SET ANSI_NULLS ON
   GO
   SET QUOTED_IDENTIFIER ON
   GO
   CREATE TABLE [dbo].[AspNetUserLogins](
       [LoginProvider] [nvarchar](128) NOT NULL,
       [ProviderKey] [nvarchar](128) NOT NULL,
       [UserId] [nvarchar](128) NOT NULL,
   CONSTRAINT [PK_dbo.AspNetUserLogins] PRIMARY KEY CLUSTERED 
   (
       [LoginProvider] ASC,
       [ProviderKey] ASC,
       [UserId] ASC
   )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
   ) ON [PRIMARY]
   
   GO
   /****** Object:  Table [dbo].[AspNetUserRoles]    Script Date: 16-Aug-15 6:52:25 PM ******/
   SET ANSI_NULLS ON
   GO
   SET QUOTED_IDENTIFIER ON
   GO
   CREATE TABLE [dbo].[AspNetUserRoles](
      [UserId] [nvarchar](128) NOT NULL,
      [RoleId] [nvarchar](128) NOT NULL,
   CONSTRAINT [PK_dbo.AspNetUserRoles] PRIMARY KEY CLUSTERED 
   (
       [UserId] ASC,
       [RoleId] ASC
   )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
   ) ON [PRIMARY]
   
   GO
   /****** Object:  Table [dbo].[AspNetUsers]    Script Date: 16-Aug-15 6:52:25 PM ******/
   SET ANSI_NULLS ON
   GO
   SET QUOTED_IDENTIFIER ON
   GO
   CREATE TABLE [dbo].[AspNetUsers](
       [Id] [nvarchar](128) NOT NULL,
       [Email] [nvarchar](256) NULL,
       [EmailConfirmed] [bit] NOT NULL,
       [PasswordHash] [nvarchar](max) NULL,
       [SecurityStamp] [nvarchar](max) NULL,
       [PhoneNumber] [nvarchar](max) NULL,
       [PhoneNumberConfirmed] [bit] NOT NULL,
       [TwoFactorEnabled] [bit] NOT NULL,
       [LockoutEndDateUtc] [datetime] NULL,
       [LockoutEnabled] [bit] NOT NULL,
       [AccessFailedCount] [int] NOT NULL,
       [UserName] [nvarchar](256) NOT NULL,
   CONSTRAINT [PK_dbo.AspNetUsers] PRIMARY KEY CLUSTERED 
   (
       [Id] ASC
   )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
   ) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
   
    GO
    ALTER TABLE [dbo].[AspNetUserClaims]  WITH CHECK ADD  CONSTRAINT [FK_dbo.AspNetUserClaims_dbo.AspNetUsers_UserId] FOREIGN KEY([UserId])
    REFERENCES [dbo].[AspNetUsers] ([Id])
    ON DELETE CASCADE
    GO
    ALTER TABLE [dbo].[AspNetUserClaims] CHECK CONSTRAINT [FK_dbo.AspNetUserClaims_dbo.AspNetUsers_UserId]
    GO
    ALTER TABLE [dbo].[AspNetUserLogins]  WITH CHECK ADD  CONSTRAINT [FK_dbo.AspNetUserLogins_dbo.AspNetUsers_UserId] FOREIGN KEY([UserId])
    REFERENCES [dbo].[AspNetUsers] ([Id])
    ON DELETE CASCADE
    GO
    ALTER TABLE [dbo].[AspNetUserLogins] CHECK CONSTRAINT [FK_dbo.AspNetUserLogins_dbo.AspNetUsers_UserId]
    GO
    ALTER TABLE [dbo].[AspNetUserRoles]  WITH CHECK ADD  CONSTRAINT [FK_dbo.AspNetUserRoles_dbo.AspNetRoles_RoleId] FOREIGN KEY([RoleId])
    REFERENCES [dbo].[AspNetRoles] ([Id])
    ON DELETE CASCADE
    GO
    ALTER TABLE [dbo].[AspNetUserRoles] CHECK CONSTRAINT [FK_dbo.AspNetUserRoles_dbo.AspNetRoles_RoleId]
    GO
    ALTER TABLE [dbo].[AspNetUserRoles]  WITH CHECK ADD  CONSTRAINT [FK_dbo.AspNetUserRoles_dbo.AspNetUsers_UserId] FOREIGN KEY([UserId])
    REFERENCES [dbo].[AspNetUsers] ([Id])
    ON DELETE CASCADE
    GO
    ALTER TABLE [dbo].[AspNetUserRoles] CHECK CONSTRAINT [FK_dbo.AspNetUserRoles_dbo.AspNetUsers_UserId]
    GO
   

5. Check and solve any remaining errors and you are done. Identity will handle the rest :)

Read SVNBook | Client Credentials.

With modern SVN you can just run svn auth to display the list of cached credentials. Don't forget to make sure that you run up-to-date SVN client version because svn auth was introduced in version 1.9. The last line will specify the path to credential store which by default is %APPDATA%\Subversion\auth on Windows and ~/.subversion/auth/ on Unix-like systems.

PS C:\Users\MyUser> svn auth
------------------------------------------------------------------------
Credential kind: svn.simple
Authentication realm: <https://svn.example.local:443> VisualSVN Server
Password cache: wincrypt
Password: [not shown]
Username: user

Credentials cache in 'C:\Users\MyUser\AppData\Roaming\Subversion' contains 5 credentials

The issue HttpServletRequest.login does not set authentication state in session has been fixed in 3.0.1. Update glassfish to the latest version and you're done.

Updating is quite straightforward:

glassfishv3/bin/pkg set-authority -P dev.glassfish.org
glassfishv3/bin/pkg image-update

Here are two popular Github libraries for node js authentication:

https://github.com/jaredhanson/passport ( suggestible )

https://nodejsmodules.org/pkg/everyauth

Today we use Bearer token more often that Basic Authentication but if you want to have Basic Authentication first to get Bearer token then there is a couple ways:

const request = new XMLHttpRequest();
request.open('GET', url, false, username,password)
request.onreadystatechange = function() {
        // D some business logics here if you receive return
   if(request.readyState === 4 && request.status === 200) {
       console.log(request.responseText);
   }
}
request.send()

Full syntax is here

Second Approach using Ajax:

$.ajax
({
  type: "GET",
  url: "abc.xyz",
  dataType: 'json',
  async: false,
  username: "username",
  password: "password",
  data: '{ "key":"sample" }',
  success: function (){
    alert('Thanks for your up vote!');
  }
});

Hopefully, this provides you a hint where to start API calls with JS. In Frameworks like Angular, React, etc there are more powerful ways to make API call with Basic Authentication or Oauth Authentication. Just explore it.

Spring security is a filter based framework, it plants a WALL(HttpFireWall) before your application in terms of proxy filters or spring managed beans. Your request has to pass through multiple filters to reach your API.

Sequence of execution in Spring Security

1. WebAsyncManagerIntegrationFilter Provides integration between the SecurityContext and Spring Web's WebAsyncManager.
   

2. SecurityContextPersistenceFilter This filter will only execute once per request, Populates the SecurityContextHolder with information obtained from the configured SecurityContextRepository prior to the request and stores it back in the repository once the request has completed and clearing the context holder.
   Request is checked for existing session. If new request, SecurityContext will be created else if request has session then existing security-context will be obtained from respository.

3. HeaderWriterFilter Filter implementation to add headers to the current response.

4. LogoutFilter If request url is /logout(for default configuration) or if request url mathces RequestMatcher configured in LogoutConfigurer then

   • clears security context.
   • invalidates the session
   • deletes all the cookies with cookie names configured in LogoutConfigurer
   • Redirects to default logout success url / or logout success url configured or invokes logoutSuccessHandler configured.

5. UsernamePasswordAuthenticationFilter

   • For any request url other than loginProcessingUrl this filter will not process further but filter chain just continues.
   • If requested URL is matches(must be HTTP POST) default /login or matches .loginProcessingUrl() configured in FormLoginConfigurer then UsernamePasswordAuthenticationFilter attempts authentication.
   • default login form parameters are username and password, can be overridden by usernameParameter(String), passwordParameter(String).
   • setting .loginPage() overrides defaults
   • While attempting authentication
     • an Authentication object(UsernamePasswordAuthenticationToken or any implementation of Authentication in case of your custom auth filter) is created.
     • and authenticationManager.authenticate(authToken) will be invoked
       
     • Note that we can configure any number of AuthenticationProvider authenticate method tries all auth providers and checks any of the auth provider supports authToken/authentication object, supporting auth provider will be used for authenticating. and returns Authentication object in case of successful authentication else throws AuthenticationException.
   • If authentication success session will be created and authenticationSuccessHandler will be invoked which redirects to the target url configured(default is /)
   • If authentication failed user becomes un-authenticated user and chain continues.

6. SecurityContextHolderAwareRequestFilter, if you are using it to install a Spring Security aware HttpServletRequestWrapper into your servlet container

7. AnonymousAuthenticationFilter Detects if there is no Authentication object in the SecurityContextHolder, if no authentication object found, creates Authentication object (AnonymousAuthenticationToken) with granted authority ROLE_ANONYMOUS. Here AnonymousAuthenticationToken facilitates identifying un-authenticated users subsequent requests.
   

DEBUG - /app/admin/app-config at position 9 of 12 in additional filter chain; firing Filter: 'AnonymousAuthenticationFilter'
DEBUG - Populated SecurityContextHolder with anonymous token: 'org.springframework.security.authentication.AnonymousAuthenticationToken@aeef7b36: Principal: anonymousUser; Credentials: [PROTECTED]; Authenticated: true; Details: org.springframework.security.web.authentication.WebAuthenticationDetails@b364: RemoteIpAddress: 0:0:0:0:0:0:0:1; SessionId: null; Granted Authorities: ROLE_ANONYMOUS' 

8. ExceptionTranslationFilter, to catch any Spring Security exceptions so that either an HTTP error response can be returned or an appropriate AuthenticationEntryPoint can be launched

9. FilterSecurityInterceptor
   There will be FilterSecurityInterceptor which comes almost last in the filter chain which gets Authentication object from SecurityContext and gets granted authorities list(roles granted) and it will make a decision whether to allow this request to reach the requested resource or not, decision is made by matching with the allowed AntMatchers configured in HttpSecurityConfiguration.

Consider the exceptions 401-UnAuthorized and 403-Forbidden. These decisions will be done at the last in the filter chain

• Un authenticated user trying to access public resource - Allowed
  
• Un authenticated user trying to access secured resource - 401-UnAuthorized
  
• Authenticated user trying to access restricted resource(restricted for his role) - 403-Forbidden
  

Note: User Request flows not only in above mentioned filters, but there are others filters too not shown here.(ConcurrentSessionFilter,RequestCacheAwareFilter,SessionManagementFilter ...)
It will be different when you use your custom auth filter instead of UsernamePasswordAuthenticationFilter.
It will be different if you configure JWT auth filter and omit .formLogin() i.e, UsernamePasswordAuthenticationFilter it will become entirely different case.

From Documentation ordering of filters is given as

• ChannelProcessingFilter
• ConcurrentSessionFilter
• SecurityContextPersistenceFilter
• LogoutFilter
• X509AuthenticationFilter
• AbstractPreAuthenticatedProcessingFilter
• CasAuthenticationFilter
• UsernamePasswordAuthenticationFilter
• ConcurrentSessionFilter
• OpenIDAuthenticationFilter
• DefaultLoginPageGeneratingFilter
• DefaultLogoutPageGeneratingFilter
• ConcurrentSessionFilter
• DigestAuthenticationFilter
• BearerTokenAuthenticationFilter
• BasicAuthenticationFilter
• RequestCacheAwareFilter
• SecurityContextHolderAwareRequestFilter
• JaasApiIntegrationFilter
• RememberMeAuthenticationFilter
• AnonymousAuthenticationFilter
• SessionManagementFilter
• ExceptionTranslationFilter
• FilterSecurityInterceptor
• SwitchUserFilter

You can also refer
most common way to authenticate a modern web app?
difference between authentication and authorization in context of Spring Security?

On OSX, I used MacPorts to address the same problem when connecting to my siteground database. Siteground appears to be using 5.0.77mm0.1-log, but creating a new user account didn't fix the problem. This is what did

sudo port install php5-mysql -mysqlnd +mysql5

This downgrades the mysql driver that php will use.

In the "database" section of the logon dialog box, enter //hostname.domain:port/database, in your case //123.45.67.89:1521/TEST - this assumes that you don't want to set up a tnsnames.ora file/entry for some reason.

Also make sure the firewall settings on your server are not blocking port 1521.

I think that every JSON response should contain a property (e.g. {authenticated: false}) and the client has to test it everytime: if false, then the Angular controller/service will "redirect" to the login page.

And what happen if the user catch de JSON and change the bool to True?

I think you should never rely on client side to do these kind of stuff. If the user is not authenticated, the server should just redirect to a login/error page.

Sounds like an error you would get when your forms authentication ticket has expired. What is the timeout period for your ticket? Is it set to sliding or absolute expiration?

I believe the default for the timeout is 20 minutes with sliding expiration so if a user gets authenticated and at some point doesn't hit your site for 20 minutes their ticket would be expired. If it is set to absolute expiration it will expire X number of minutes after it was issued where X is your timeout setting.

You can set the timeout and expiration policy (e.g. sliding, absolute) in your web/machine.config under /configuration/system.web/authentication/forms

You can increase security in authentication process by using JWT (JSON Web Tokens) and SSL/HTTPS.

The Basic Auth / Session ID can be stolen via:

• MITM attack (Man-In-The-Middle) - without SSL/HTTPS
• An intruder gaining access to a user's computer
• XSS

By using JWT you're encrypting the user's authentication details and storing in the client, and sending it along with every request to the API, where the server/API validates the token. It can't be decrypted/read without the private key (which the server/API stores secretly) Read update.

The new (more secure) flow would be:

Login

• User logs in and sends login credentials to API (over SSL/HTTPS)
• API receives login credentials
• If valid:
  • Register a new session in the database Read update
  • Encrypt User ID, Session ID, IP address, timestamp, etc. in a JWT with a private key.
• API sends the JWT token back to the client (over SSL/HTTPS)
• Client receives the JWT token and stores in localStorage/cookie

Every request to API

• User sends a HTTP request to API (over SSL/HTTPS) with the stored JWT token in the HTTP header
• API reads HTTP header and decrypts JWT token with its private key
• API validates the JWT token, matches the IP address from the HTTP request with the one in the JWT token and checks if session has expired
• If valid:
  • Return response with requested content
• If invalid:
  • Throw exception (403 / 401)
  • Flag intrusion in the system
  • Send a warning email to the user.

Updated 30.07.15:

JWT payload/claims can actually be read without the private key (secret) and it's not secure to store it in localStorage. I'm sorry about these false statements. However they seem to be working on a JWE standard (JSON Web Encryption).

I implemented this by storing claims (userID, exp) in a JWT, signed it with a private key (secret) the API/backend only knows about and stored it as a secure HttpOnly cookie on the client. That way it cannot be read via XSS and cannot be manipulated, otherwise the JWT fails signature verification. Also by using a secure HttpOnly cookie, you're making sure that the cookie is sent only via HTTP requests (not accessible to script) and only sent via secure connection (HTTPS).

Updated 17.07.16:

JWTs are by nature stateless. That means they invalidate/expire themselves. By adding the SessionID in the token's claims you're making it stateful, because its validity doesn't now only depend on signature verification and expiry date, it also depends on the session state on the server. However the upside is you can invalidate tokens/sessions easily, which you couldn't before with stateless JWTs.

model.remove({title:'danish'}, function(err){
    if(err) throw err;
});

Ref: http://mongoosejs.com/docs/api.html#model_Model.remove

Token Based (Security / Authentication)

means that In order for us to prove that we’ve access we first have to receive the token. In a real life scenario, the token could be an access card to building, it could be the key to the lock to your house. In order for you to retrieve a key card for your office or the key to your home, you first need to prove who you are, and that you in fact do have access to that token. It could be something as simple as showing someone your ID or giving them a secret password. So imagine I need to get access to my office. I go down to the security office, I show them my ID, and they give me this token, which lets me into the building. Now I have unrestricted access to do whatever I want inside the building, as long as I have my token with me.

What’s the benefit of token based security?

If we think back on the insecure API, what we had to do in that case was that we had to provide our password for everything that we wanted to do.

Imagine that every time we enter a door in our office, we have to give everyone sitting next to the door our password. Now that would be pretty bad, because that means that anyone inside our office could take our password and impersonate us, and that’s pretty bad. Instead, what we do is that we retrieve the token, of course together with password, but we retrieve that from one person. And then we can use this token wherever we want inside the building. Of course if we lose the token, we have the same problem as if someone else knew our password, but that leads us into things like how do we make sure that if we lose the token, we can revoke the access, and maybe the token shouldn’t live for longer than 24hours, so the next day that we come to the office, we need to show our ID again. But still, there’s just one person that we show the ID to, and that’s the security guard sitting where we retrieve the tokens.

I like the Zend_Ldap Class, you can use only this class in your project, without the Zend Framework.

ASP.NET grants access from the configuration file as a matter of precedence. In case of a potential conflict, the first occurring grant takes precedence. So,

deny user="?" 

denies access to the anonymous user. Then

allow users="dan,matthew" 

grants access to that user. Finally, it denies access to everyone. This shakes out as everyone except dan,matthew is denied access.

Edited to add: and as @Deviant points out, denying access to unauthenticated is pointless, since the last entry includes unauthenticated as well. A good blog entry discussing this topic can be found at: Guru Sarkar's Blog

In short, please. :-)

Authentication = login + password (who you are)

Authorization = permissions (what you are allowed to do)

Short "auth" is most likely to refer either to the first one or to both.

So do you want them to get the IE password-challenge box, or should they be directed to your login page and enter their information there? If it's the second option, then you should at least enable Anonymous access to your login page, since the site won't know who they are yet.

If you want the first option, then the login page they're getting forwarded to will need to read the currently logged-in user and act based on that, since they would have had to correctly authenticate to get this far.

Assuming that this is about OAuth 2.0 since it is about JWTs and refresh tokens...:

1. just like an access token, in principle a refresh token can be anything including all of the options you describe; a JWT could be used when the Authorization Server wants to be stateless or wants to enforce some sort of "proof-of-possession" semantics on to the client presenting it; note that a refresh token differs from an access token in that it is not presented to a Resource Server but only to the Authorization Server that issued it in the first place, so the self-contained validation optimization for JWTs-as-access-tokens does not hold for refresh tokens

2. that depends on the security/access of the database; if the database can be accessed by other parties/servers/applications/users, then yes (but your mileage may vary with where and how you store the encryption key...)

3. an Authorization Server may issue both access tokens and refresh tokens at the same time, depending on the grant that is used by the client to obtain them; the spec contains the details and options on each of the standardized grants

Don't use firefox profile and try below code:

driver.get("http://UserName:[email protected]");

If you're implementing it in IE browser, there are certain things which you need to do.

In case your authentication server requires username with domain like "domainuser" you need to add double slash / to the url:

//localdomain\user:[email protected]

For Windows you can use the Git Credential Manager (GCM) plugin. It is currently maintained by Microsoft. The nice thing is that it saves the password in the Windows Credential Store, not as plain text.

There is an installer on the releases page of the project. This will also install the official version of Git for Windows with the credential manager built-in. It allows two-factor authentication for GitHub (and other servers). And has a graphical interface for initially logging in.

For Cygwin users (or users already using the official Git for Windows), you might prefer the manual install. Download the zip package from the releases page. Extract the package, and then run the install.cmd file. This will install to your ~/bin folder. (Be sure your ~/bin directory is in your PATH.) You then configure it using this command:

git config --global credential.helper manager

Git will then run the git-credential-manager.exe when authenticating to any server.

System.getProperty("user.name") is not a good security option since that environment variable could be faked: C:\ set USERNAME="Joe Doe" java ... // will give you System.getProperty("user.name") You ought to do:

com.sun.security.auth.module.NTSystem NTSystem = new com.sun.security.auth.module.NTSystem();
System.out.println(NTSystem.getName());

JDK 1.5 and greater.

I use it within an applet, and it has to be signed. info source

Everyone should use this source link:

http://mongodb.github.com/node-mongodb-native/contents.html

Answer to the question:

var Db = require('mongodb').Db,
    MongoClient = require('mongodb').MongoClient,
    Server = require('mongodb').Server,
    ReplSetServers = require('mongodb').ReplSetServers,
    ObjectID = require('mongodb').ObjectID,
    Binary = require('mongodb').Binary,
    GridStore = require('mongodb').GridStore,
    Code = require('mongodb').Code,
    BSON = require('mongodb').pure().BSON,
    assert = require('assert');

var db = new Db('integration_tests', new Server("127.0.0.1", 27017,
 {auto_reconnect: false, poolSize: 4}), {w:0, native_parser: false});

// Establish connection to db
db.open(function(err, db) {
  assert.equal(null, err);

  // Add a user to the database
  db.addUser('user', 'name', function(err, result) {
    assert.equal(null, err);

    // Authenticate
    db.authenticate('user', 'name', function(err, result) {
      assert.equal(true, result);

      db.close();
    });
  });
});

1st: Get personal access token. https://github.com/settings/tokens
2nd: Put account & the token. Example is here:

$ git push
Username for 'https://github.com':            # Put your GitHub account name
Password for 'https://{USERNAME}@github.com': # Put your Personal access token

Link on how to create a personal access token: https://help.github.com/en/github/authenticating-to-github/creating-a-personal-access-token-for-the-command-line

You are likely using the wrong username to login:

• most Ubuntu images have a user ubuntu
• Amazon's AMI is ec2-user
• most Debian images have either root or admin

To login, you need to adjust your ssh command:

ssh -l USERNAME_HERE -i .ssh/yourkey.pem public-ec2-host

HTH

A pure RESTful API should use the underlying protocol standard features:

1. For HTTP, the RESTful API should comply with existing HTTP standard headers. Adding a new HTTP header violates the REST principles. Do not re-invent the wheel, use all the standard features in HTTP/1.1 standards - including status response codes, headers, and so on. RESTFul web services should leverage and rely upon the HTTP standards.

2. RESTful services MUST be STATELESS. Any tricks, such as token based authentication that attempts to remember the state of previous REST requests on the server violates the REST principles. Again, this is a MUST; that is, if you web server saves any request/response context related information on the server in attempt to establish any sort of session on the server, then your web service is NOT Stateless. And if it is NOT stateless it is NOT RESTFul.

Bottom-line: For authentication/authorization purposes you should use HTTP standard authorization header. That is, you should add the HTTP authorization / authentication header in each subsequent request that needs to be authenticated. The REST API should follow the HTTP Authentication Scheme standards.The specifics of how this header should be formatted are defined in the RFC 2616 HTTP 1.1 standards – section 14.8 Authorization of RFC 2616, and in the RFC 2617 HTTP Authentication: Basic and Digest Access Authentication.

I have developed a RESTful service for the Cisco Prime Performance Manager application. Search Google for the REST API document that I wrote for that application for more details about RESTFul API compliance here. In that implementation, I have chosen to use HTTP "Basic" Authorization scheme. - check out version 1.5 or above of that REST API document, and search for authorization in the document.

I believe you need to map the result before you subscribe to it. You configure it like this:

  updateProfileInformation(user: User) {
    var headers = new Headers();
    headers.append('Content-Type', this.constants.jsonContentType);

    var t = localStorage.getItem("accessToken");
    headers.append("Authorization", "Bearer " + t;
    var body = JSON.stringify(user);

    return this.http.post(this.constants.userUrl + "UpdateUser", body, { headers: headers })
      .map((response: Response) => {
        var result = response.json();
        return result;
      })
      .catch(this.handleError)
      .subscribe(
      status => this.statusMessage = status,
      error => this.errorMessage = error,
      () => this.completeUpdateUser()
      );
  }

Either you set LDAP_DOMAIN variable or you misconfigured it. Jump inside of ldap machine/container and run:

slapcat > backup.ldif

If it fails, check punctuation, quotes etc while you assigned variable "LDAP_DOMAIN" Otherwise you will find answer inside on backup.ldif file.

In working with a similar problem I created the following function after combining a lot of resources I ran into on the web, and adding my own cookie handling. Hopefully this is useful to someone else.

      function get_web_page( $url, $cookiesIn = '' ){
        $options = array(
            CURLOPT_RETURNTRANSFER => true,     // return web page
            CURLOPT_HEADER         => true,     //return headers in addition to content
            CURLOPT_FOLLOWLOCATION => true,     // follow redirects
            CURLOPT_ENCODING       => "",       // handle all encodings
            CURLOPT_AUTOREFERER    => true,     // set referer on redirect
            CURLOPT_CONNECTTIMEOUT => 120,      // timeout on connect
            CURLOPT_TIMEOUT        => 120,      // timeout on response
            CURLOPT_MAXREDIRS      => 10,       // stop after 10 redirects
            CURLINFO_HEADER_OUT    => true,
            CURLOPT_SSL_VERIFYPEER => true,     // Validate SSL Certificates
            CURLOPT_HTTP_VERSION   => CURL_HTTP_VERSION_1_1,
            CURLOPT_COOKIE         => $cookiesIn
        );

        $ch      = curl_init( $url );
        curl_setopt_array( $ch, $options );
        $rough_content = curl_exec( $ch );
        $err     = curl_errno( $ch );
        $errmsg  = curl_error( $ch );
        $header  = curl_getinfo( $ch );
        curl_close( $ch );

        $header_content = substr($rough_content, 0, $header['header_size']);
        $body_content = trim(str_replace($header_content, '', $rough_content));
        $pattern = "#Set-Cookie:\\s+(?<cookie>[^=]+=[^;]+)#m"; 
        preg_match_all($pattern, $header_content, $matches); 
        $cookiesOut = implode("; ", $matches['cookie']);

        $header['errno']   = $err;
        $header['errmsg']  = $errmsg;
        $header['headers']  = $header_content;
        $header['content'] = $body_content;
        $header['cookies'] = $cookiesOut;
    return $header;
}

Check the AUTH_USER request variable. This will be empty if your web app allows anonymous access, but if your server's using basic or Windows integrated authentication, it will contain the username of the authenticated user.

In an Active Directory domain, if your clients are running Internet Explorer and your web server/filesystem permissions are configured properly, IE will silently submit their domain credentials to your server and AUTH_USER will be MYDOMAIN\user.name without the users having to explicitly log in to your web app.

To send a message through TLS/SSL, you need to set Ssl of the SmtpClient class to true.

string to = "[email protected]";
string from = "[email protected]";
MailMessage message = new MailMessage(from, to);
message.Subject = "Using the new SMTP client.";
message.Body = @"Using this new feature, you can send an e-mail message from an application very easily.";
SmtpClient client = new SmtpClient(server);
// Credentials are necessary if the server requires the client 
// to authenticate before it will send e-mail on the client's behalf.
client.UseDefaultCredentials = true;
client.EnableSsl = true;
client.Send(message);

Same solutions as Python urllib2 Basic Auth Problem apply.

see https://stackoverflow.com/a/24048852/1733117; you can subclass urllib2.HTTPBasicAuthHandler to add the Authorization header to each request that matches the known url.

class PreemptiveBasicAuthHandler(urllib2.HTTPBasicAuthHandler):
    '''Preemptive basic auth.

    Instead of waiting for a 403 to then retry with the credentials,
    send the credentials if the url is handled by the password manager.
    Note: please use realm=None when calling add_password.'''
    def http_request(self, req):
        url = req.get_full_url()
        realm = None
        # this is very similar to the code from retry_http_basic_auth()
        # but returns a request object.
        user, pw = self.passwd.find_user_password(realm, url)
        if pw:
            raw = "%s:%s" % (user, pw)
            auth = 'Basic %s' % base64.b64encode(raw).strip()
            req.add_unredirected_header(self.auth_header, auth)
        return req

    https_request = http_request

Please note, buttons and other elements in API 21 and greater have a high elevation, and therefore ignore the xml order of elements regardless of parent layout. Took me a while to figure that one out.

You can do that like this:

INSERT INTO myTable (colum1, column2)
SELECT column1, column2 FROM OtherTable;

Just make sure the columns are matching, both in number as in datatype.

Thanks to Surya for good insights. I'd clean up his solution and simply do:

for key, value in df.groupby('A'):
    print(key, value)

Here's a list of the environment variables. I think you might want CURRENT_VARIANT. See also BUILD_VARIANTS.

or is not exclusive (e.g. xor) so or is the same thing as and/or.

You're almost there, you just have to append:

-Dhttp.proxyUser=someUserName
-Dhttp.proxyPassword=somePassword

You could use a sub query...

WHERE t1.field3 = (SELECT MAX(st1.field3) FROM table1 AS st1)

But I would actually move this out of the where clause and into the join statement, as an AND for the ON clause.

I found this workaround to work pretty effectively. It basically removes autofilter from the table and then re-applies it, thus removing any previous filters. From my experience this is not prone to the error handling required with the other methods mentioned here.

Set myTable = YOUR_SHEET.ListObjects("YourTableName")

myTable.ShowAutoFilter = False
myTable.ShowAutoFilter = True

Note (also a bit off topic): Another way to make unique flags can be done using a bit shift. I, myself, find this easier to read.

enum Flags
{
    A = 1 << 0, // binary 0001
    B = 1 << 1, // binary 0010
    C = 1 << 2, // binary 0100
    D = 1 << 3, // binary 1000
};

It can hold values up to an int so that is, most of the time, 32 flags which is clearly reflected in the shift amount.

For example to get the text from a Control of the UI thread:

Private Delegate Function GetControlTextInvoker(ByVal ctl As Control) As String

Private Function GetControlText(ByVal ctl As Control) As String
    Dim text As String

    If ctl.InvokeRequired Then
        text = CStr(ctl.Invoke(
            New GetControlTextInvoker(AddressOf GetControlText), ctl))
    Else
        text = ctl.Text
    End If

    Return text
End Function

You can use javac *.java command to compile all you java sources. Also you should learn a little about classpath because it seems that you should set appropriate classpath for succesful compilation (because your IDE use some libraries for building WebService clients). Also I can recommend you to check wich command your IDE use to build your project.

The only way I could modify my git password was to go to Credential Manager in Windows (Windows Key + type 'credential') and edit the git entry under Windows Credentials Generic Credentials. Note: Not listed alphabetically

In PHP I like using mysqli_real_escape_string() which escapes special characters in a string for use in an SQL statement.

see https://www.php.net/manual/en/mysqli.real-escape-string.php

Make sure you import csv file using Pandas

import pandas as pd

condition = pd.isnull(data[i][j])

For Android Studio 1.3 : (Method 1)

Step 1 : Open gradle.properties file in your Android Studio project.

Step 2 : Add this line at the end of the file

org.gradle.jvmargs=-XX\:MaxHeapSize\=256m -Xmx256m

Above methods seems to work but if in case it won't then do this (Method 2)

Step 1 : Start Android studio and close any open project (File > Close Project).

Step 2 : On Welcome window, Go to Configure > Settings.

Step 3 : Go to Build, Execution, Deployment > Compiler

Step 4 : Change Build process heap size (Mbytes) to 1024 and Additional build process to VM Options to -Xmx512m.

Step 5 : Close or Restart Android Studio.

Try this:

width: 100%;
box-sizing: border-box;

Similar to Arun Sangal the problem lied in an in .ssh/config entry

Host my.sshhost.com
  ProxyCommand ssh -q -W %h:%p myremotemachine.my.company.com

The remote machine was added to avoid with ssh for VPN connections and worked well. But for the vacation period I switched off the myremotemachine and run into the described problem.

Maven dependency

    <dependency>
        <groupId>org.springframework.ws</groupId>
        <artifactId>spring-ws-security</artifactId>
    </dependency>
    <dependency>
        <groupId>org.apache.ws.security</groupId>
        <artifactId>wss4j</artifactId>
        <version>1.6.19</version>
    </dependency>    

Configuration class

import org.springframework.ws.soap.security.wss4j.Wss4jSecurityInterceptor;

@Configuration
public class ConfigurationClass{

@Bean
public Wss4jSecurityInterceptor securityInterceptor() {
    Wss4jSecurityInterceptor wss4jSecurityInterceptor = new Wss4jSecurityInterceptor();
    wss4jSecurityInterceptor.setSecurementActions("UsernameToken");
    wss4jSecurityInterceptor.setSecurementMustUnderstand(true);
    wss4jSecurityInterceptor.setSecurementPasswordType("PasswordText");
    wss4jSecurityInterceptor.setSecurementUsername("123456789011");
    wss4jSecurityInterceptor.setSecurementPassword("TestPass123");
    return wss4jSecurityInterceptor;
}

Result xml

<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
<SOAP-ENV:Header>
    <wsse:Security
        xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"
        xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" 
        SOAP-ENV:mustUnderstand="1">
        <wsse:UsernameToken wsu:Id="UsernameToken-F57F40DC89CD6998E214700450735811">
            <wsse:Username>123456789011</wsse:Username>
            <wsse:Password Type="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordText">TestPass123</wsse:Password>
        </wsse:UsernameToken>
    </wsse:Security>
</SOAP-ENV:Header>
<SOAP-ENV:Body>
    ...
    something
    ...
</SOAP-ENV:Body>

A few compilers (usually the ones for microcontrollers) has a special feature implemented within recognizing literal binary numbers by prefix "0b..." preceding the number, although most compilers (C/C++ standards) don't have such feature and if it is the case, here it is my alternative solution:

#define B_0000    0
#define B_0001    1
#define B_0010    2
#define B_0011    3
#define B_0100    4
#define B_0101    5
#define B_0110    6
#define B_0111    7
#define B_1000    8
#define B_1001    9
#define B_1010    a
#define B_1011    b
#define B_1100    c
#define B_1101    d
#define B_1110    e
#define B_1111    f

#define _B2H(bits)    B_##bits
#define B2H(bits)    _B2H(bits)
#define _HEX(n)        0x##n
#define HEX(n)        _HEX(n)
#define _CCAT(a,b)    a##b
#define CCAT(a,b)   _CCAT(a,b)

#define BYTE(a,b)        HEX( CCAT(B2H(a),B2H(b)) )
#define WORD(a,b,c,d)    HEX( CCAT(CCAT(B2H(a),B2H(b)),CCAT(B2H(c),B2H(d))) )
#define DWORD(a,b,c,d,e,f,g,h)    HEX( CCAT(CCAT(CCAT(B2H(a),B2H(b)),CCAT(B2H(c),B2H(d))),CCAT(CCAT(B2H(e),B2H(f)),CCAT(B2H(g),B2H(h)))) )

// Using example
char b = BYTE(0100,0001); // Equivalent to b = 65; or b = 'A'; or b = 0x41;
unsigned int w = WORD(1101,1111,0100,0011); // Equivalent to w = 57155; or w = 0xdf43;
unsigned long int dw = DWORD(1101,1111,0100,0011,1111,1101,0010,1000); //Equivalent to dw = 3745774888; or dw = 0xdf43fd28;

Disadvantages (it's not such a big ones):

• The binary numbers have to be grouped 4 by 4;
• The binary literals have to be only unsigned integer numbers;

Advantages:

• Total preprocessor driven, not spending processor time in pointless operations (like "?.. :..", "<<", "+") to the executable program (it may be performed hundred of times in the final application);
• It works "mainly in C" compilers and C++ as well (template+enum solution works only in C++ compilers);
• It has only the limitation of "longness" for expressing "literal constant" values. There would have been earlyish longness limitation (usually 8 bits: 0-255) if one had expressed constant values by parsing resolve of "enum solution" (usually 255 = reach enum definition limit), differently, "literal constant" limitations, in the compiler allows greater numbers;
• Some other solutions demand exaggerated number of constant definitions (too many defines in my opinion) including long or several header files (in most cases not easily readable and understandable, and make the project become unnecessarily confused and extended, like that using "BOOST_BINARY()");
• Simplicity of the solution: easily readable, understandable and adjustable for other cases (could be extended for grouping 8 by 8 too);

open D:\xampp\apache\conf\extra\httpd-vhosts.conf

ServerName localhost DocumentRoot "D:\xampp\htdocs" SetEnv APPLICATION_ENV "development"
DirectoryIndex index.php AllowOverride FileInfo Require all granted

Restart Apache server

and then refresh your given url

Alternatively you could just use a document.write:

<script type="text\javascript">
var loc = "http://";
document.write('<a href="' + loc + '">Link text</a>');
</script>

Use this command.

mvn package

to make the package jar file. Then, run this command.

java -cp target/artifactId-version-SNAPSHOT.jar package.Java-Main-File-Name

after mvn package command. Target folder with classes, test classes, jar file and other resources folder and files will be created.

type your own artifactId, version and package and java main file.

A one-liner:

def most_common (lst):
    return max(((item, lst.count(item)) for item in set(lst)), key=lambda a: a[1])[0]

I would store a user ID and a token. When the user comes back to the site, compare those two pieces of information against something persistent like a database entry.

As for security, just don't put anything in there that will allow someone to modify the cookie to gain extra benefits. For example, don't store their user groups or their password. Anything that can be modified that would circumvent your security should not be stored in the cookie.

To clarify for anyone who is looking for what is the difference between the 3 on a simpler level. You can expose your service with minimal ClusterIp (within k8s cluster) or larger exposure with NodePort (within cluster external to k8s cluster) or LoadBalancer (external world or whatever you defined in your LB).

ClusterIp exposure < NodePort exposure < LoadBalancer exposure

• ClusterIp
  Expose service through k8s cluster with ip/name:port
• NodePort
  Expose service through Internal network VM's also external to k8s ip/name:port
• LoadBalancer
  Expose service through External world or whatever you defined in your LB.

A possible solution using sscanf() and scan sets:

const char* s = "ab234cid*(s349*(20kd";
int i1, i2, i3;
if (3 == sscanf(s,
                "%*[^0123456789]%d%*[^0123456789]%d%*[^0123456789]%d",
                &i1,
                &i2,
                &i3))
{
    printf("%d %d %d\n", i1, i2, i3);
}

where %*[^0123456789] means ignore input until a digit is found. See demo at http://ideone.com/2hB4UW .

Or, if the number of numbers is unknown you can use %n specifier to record the last position read in the buffer:

const char* s = "ab234cid*(s349*(20kd";
int total_n = 0;
int n;
int i;
while (1 == sscanf(s + total_n, "%*[^0123456789]%d%n", &i, &n))
{
    total_n += n;
    printf("%d\n", i);
}

Pay close attention to the first part of the error: "variable is not declared"

Ignore the second part: "it may be inaccessible due to its protection level". It's a red herring.

Some questions... (the answers might be in that image you posted, but I can't seem to make it larger and my eyes don't read that small of print... Any chance you can post the code in a way these older eyes can read it? Makes it hard to know the total picture. In particular I am suspicious of your Page directives.)

We know that 1stReasonTypes is a listbox, but for some reason it seems like we don't know WHICH listbox. This is why I want to see your page directives.

But also, how are you calling the private method FormRefresh()? It's not an event handler, which makes me wonder if you are trying to reference a listbox in a form that is not handled properly in this code behind.

You may need to find the control 1stReasonTypes. Try maybe putting your listbox inside something like

<div id="MyFormDiv" runat="server">.....</div>

then in FormRefresh(), do a...

Dim 1stReasonTypesNew As listbox = MyFormDiv.FindControl("1stReasonTypes")

Or use an existing control, object, or page instead of a div. More info on FindControl: http://msdn.microsoft.com/en-us/library/486wc64h(v=vs.110).aspx

But no matter how you slice it, there is something funky going here such that 1stReasonTypes doesn't know which exact listbox it's supposed to be.

The @RequestParam String action suggests there is a parameter present within the request with the name action which is absent in your form. You must either:

1. Submit a parameter named value e.g. <input name="action" />
2. Set the required parameter to false within the @RequestParam e.g. @RequestParam(required=false)

We copy/paste html pages from our ERP to Excel using "paste special.. as html/unicode" and it works quite well with tables.

As you say, there are some important differences between ToUpper and ToLower, and only one is dependably accurate when you're trying to do case insensitive equality checks.

Ideally, the best way to do a case-insensitive equality check would be:

String.Equals(row.Name, "test", StringComparison.OrdinalIgnoreCase)

NOTE, HOWEVER that this does not work in this case! Therefore we are stuck with ToUpper or ToLower.

Note the OrdinalIgnoreCase to make it security-safe. But exactly the type of case (in)sensitive check you use depends on what your purposes is. But in general use Equals for equality checks and Compare when you're sorting, and then pick the right StringComparison for the job.

Michael Kaplan (a recognized authority on culture and character handling such as this) has relevant posts on ToUpper vs. ToLower:

• http://www.siao2.com/2007/10/01/5218976.aspx
• http://www.siao2.com/2005/03/10/391564.aspx

He says "String.ToUpper – Use ToUpper rather than ToLower, and specify InvariantCulture in order to pick up OS casing rules"

Please use this for comparison:

string.Equals(a, b, StringComparison.CurrentCultureIgnoreCase);

to pick the values from property file, we can have a Config reader class something like ApplicationConfigReader.class Then define all the variables against properties. Refer below example,

application.properties

myapp.nationality: INDIAN
myapp.gender: Male

Below is corresponding reader class.

@Component
@EnableConfigurationProperties
@ConfigurationProperties(prefix = "myapp") 
class AppConfigReader{
    private String nationality;
    private String gender

    //getter & setter
}

Now we can auto-wire the reader class wherever we want to access property values. e.g.

@Service
class ServiceImpl{
    @Autowired
    private AppConfigReader appConfigReader;

    //...
    //fetching values from config reader
    String nationality = appConfigReader.getNationality() ; 
    String gender = appConfigReader.getGender(); 
}

Somehow, no one listed the simplest way:

class A
{
public:
    int a, b;
};

class B : public A
{
    B()
    {
        a = 0;
        b = 0;
    }

};

You can't access base members in the initializer list, but the constructor itself, just as any other member method, may access public and protected members of the base class.

I tried an out of the box approach to this, I havent tested this for PDF content but it did work for normal HTML based content, heres how:

Step 1: Wrap your Iframe in a div wrapper

Step 2: Add a background image to your div wrapper:

.wrapperdiv{
  background-image:url(img/loading.gif);
  background-repeat:no-repeat;
  background-position:center center; /*Can place your loader where ever you like */
}

Step 3: in ur iframe tag add ALLOWTRANSPARENCY="false"

The idea is to show the loading animation in the wrapper div till the iframe loads after it has loaded the iframe would cover the loading animation.

Give it a try.

@Jay Mooney: A generic Dictionary class in .NET is actually a hash table, just with fixed types.

The code you've shown shouldn't convince anyone to use Hashtable instead of Dictionary, since both code pieces can be used for both types.

For hashtable:

foreach(object key in h.keys)
{
     string keyAsString = key.ToString(); // btw, this is unnecessary
     string valAsString = h[key].ToString();

     System.Diagnostics.Debug.WriteLine(keyAsString + " " + valAsString);
}

For dictionary:

foreach(string key in d.keys)
{
     string valAsString = d[key].ToString();

     System.Diagnostics.Debug.WriteLine(key + " " + valAsString);
}

And just the same for the other one with KeyValuePair, just use the non-generic version for Hashtable, and the generic version for Dictionary.

So it's just as easy both ways, but Hashtable uses Object for both key and value, which means you will box all value types, and you don't have type safety, and Dictionary uses generic types and is thus better.

You can use Toolbar inside the fragment and it is easy to handle. First add Toolbar to layout of the fragment

<android.support.v7.widget.Toolbar
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/toolbar"
    android:layout_height="wrap_content"
    android:layout_width="match_parent"
    android:fitsSystemWindows="true"
    android:minHeight="?attr/actionBarSize"
    app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
    android:background="?attr/colorPrimaryDark">
</android.support.v7.widget.Toolbar>

Inside the onCreateView Method in the fragment you can handle the toolbar like this.

 Toolbar toolbar = (Toolbar) view.findViewById(R.id.toolbar);
 toolbar.setTitle("Title");
 toolbar.setNavigationIcon(R.drawable.ic_arrow_back);

IT will set the toolbar,title and the back arrow navigation to toolbar.You can set any icon to setNavigationIcon method.

If you need to trigger any event when click toolbar navigation icon you can use this.

 toolbar.setNavigationOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
           //handle any click event
    });

If your activity have navigation drawer you may need to open that when click the navigation back button. you can open that drawer like this.

 toolbar.setNavigationOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            DrawerLayout drawer = (DrawerLayout) getActivity().findViewById(R.id.drawer_layout);
            drawer.openDrawer(Gravity.START);
        }
    });

Full code is here

 public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    //inflate the layout to the fragement
    view = inflater.inflate(R.layout.layout_user,container,false);

    //initialize the toolbar
    Toolbar toolbar = (Toolbar) view.findViewById(R.id.toolbar);
    toolbar.setTitle("Title");
    toolbar.setNavigationIcon(R.drawable.ic_arrow_back);
    toolbar.setNavigationOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            //open navigation drawer when click navigation back button
            DrawerLayout drawer = (DrawerLayout) getActivity().findViewById(R.id.drawer_layout);
            drawer.openDrawer(Gravity.START);
        }
    });
    return view;
}

in short the difference between recursion memoization and Dynamic programming

Dynamic programming as name suggest is using the previous calculated value to dynamically construct the next new solution

Where to apply dynamic programming : If you solution is based on optimal substructure and overlapping sub problem then in that case using the earlier calculated value will be useful so you do not have to recompute it. It is bottom up approach. Suppose you need to calculate fib(n) in that case all you need to do is add the previous calculated value of fib(n-1) and fib(n-2)

Recursion : Basically subdividing you problem into smaller part to solve it with ease but keep it in mind it does not avoid re computation if we have same value calculated previously in other recursion call.

Memoization : Basically storing the old calculated recursion value in table is known as memoization which will avoid re-computation if its already been calculated by some previous call so any value will be calculated once. So before calculating we check whether this value has already been calculated or not if already calculated then we return the same from table instead of recomputing. It is also top down approach

n = abs(number);
result = 1;
if (n mod 2 == 0) {
  result = 2;
  while (n mod 2 = 0) n /= 2;
}
for(i=3; i<sqrt(n); i+=2) {
  if (n mod i == 0) {
    result = i;
    while (n mod i = 0)  n /= i;
  }
}
return max(n,result)

There are some modulo tests that are superflous, as n can never be divided by 6 if all factors 2 and 3 have been removed. You could only allow primes for i, which is shown in several other answers here.

You could actually intertwine the sieve of Eratosthenes here:

• First create the list of integers up to sqrt(n).
• In the for loop mark all multiples of i up to the new sqrt(n) as not prime, and use a while loop instead.
• set i to the next prime number in the list.

Also see this question.

I had a similar problem (detailed explanation below), and I solved it (in jasmine-core: 2.52) by using the tick function with the same (or greater) amount of milliseconds as in original setTimeout call.

For example, if I had a setTimeout(() => {...}, 2500); (so it will trigger after 2500 ms), I would call tick(2500), and that would solve the problem.

What I had in my component, as a reaction on a Delete button click:

delete() {
    this.myService.delete(this.id)
      .subscribe(
        response => {
          this.message = 'Successfully deleted! Redirecting...';
          setTimeout(() => {
            this.router.navigate(['/home']);
          }, 2500); // I wait for 2.5 seconds before redirect
        });
  }

Her is my working test:

it('should delete the entity', fakeAsync(() => {
    component.id = 1; // preparations..
    component.getEntity(); // this one loads up the entity to my component
    tick(); // make sure that everything that is async is resolved/completed
    expect(myService.getMyThing).toHaveBeenCalledWith(1);
    // more expects here..
    fixture.detectChanges();
    tick();
    fixture.detectChanges();
    const deleteButton = fixture.debugElement.query(By.css('.btn-danger')).nativeElement;
    deleteButton.click(); // I've clicked the button, and now the delete function is called...

    tick(2501); // timeout for redirect is 2500 ms :)  <-- solution

    expect(myService.delete).toHaveBeenCalledWith(1);
    // more expects here..
  }));

P.S. Great explanation on fakeAsync and general asyncs in testing can be found here: a video on Testing strategies with Angular 2 - Julie Ralph, starting from 8:10, lasting 4 minutes :)

This is my version of a bash script. It takes database name as a parameter and converts all tables to another charset and collation (given by another parameters or default value defined in the script).

#!/bin/bash

# mycollate.sh <database> [<charset> <collation>]
# changes MySQL/MariaDB charset and collation for one database - all tables and
# all columns in all tables

DB="$1"
CHARSET="$2"
COLL="$3"

[ -n "$DB" ] || exit 1
[ -n "$CHARSET" ] || CHARSET="utf8mb4"
[ -n "$COLL" ] || COLL="utf8mb4_general_ci"

echo $DB
echo "ALTER DATABASE $DB CHARACTER SET $CHARSET COLLATE $COLL;" | mysql

echo "USE $DB; SHOW TABLES;" | mysql -s | (
    while read TABLE; do
        echo $DB.$TABLE
        echo "ALTER TABLE $TABLE CONVERT TO CHARACTER SET $CHARSET COLLATE $COLL;" | mysql $DB
    done
)

I experienced same problem where crons are not running. We fixed by changing permissions and owner by Crons made root owner as we had mentioned in crontab AND Cronjobs 644 permission given

It's simple-

SELECT empname,
       empid,
       (SELECT COUNT (profileid)
          FROM profile
         WHERE profile.empid = employee.empid)
           AS number_of_profiles
  FROM employee;

It is even simpler when you use a table join like this:

  SELECT e.empname, e.empid, COUNT (p.profileid) AS number_of_profiles
    FROM employee e LEFT JOIN profile p ON e.empid = p.empid
GROUP BY e.empname, e.empid;

Explanation for the subquery:

Essentially, a subquery in a select gets a scalar value and passes it to the main query. A subquery in select is not allowed to pass more than one row and more than one column, which is a restriction. Here, we are passing a count to the main query, which, as we know, would always be only a number- a scalar value. If a value is not found, the subquery returns null to the main query. Moreover, a subquery can access columns from the from clause of the main query, as shown in my query where employee.empid is passed from the outer query to the inner query.

Edit:

When you use a subquery in a select clause, Oracle essentially treats it as a left join (you can see this in the explain plan for your query), with the cardinality of the rows being just one on the right for every row in the left.

Explanation for the left join

A left join is very handy, especially when you want to replace the select subquery due to its restrictions. There are no restrictions here on the number of rows of the tables in either side of the LEFT JOIN keyword.

For more information read Oracle Docs on subqueries and left join or left outer join.

You need to wrap the table inside another element and set the height of that element. Example with inline css:

<div style="height: 500px; overflow: auto;">
 <table>
 </table>
</div>

Adding a bit to mitigate the confusion here. Even though Darren Davies' (accepted) answer is more straight forward, I think Andrei's answer is a better approach for MVC applications.

The answer from Andrei means that you can use HttpContext just as you would use System.Web.HttpContext.Current. For example, if you want to do this:

System.Web.HttpContext.Current.User.Identity.Name

you should instead do this:

HttpContext.User.Identity.Name

Both achieve the same result, but (again) in terms of MVC, the latter is more recommended.

Another good and also straight forward information regarding this matter can be found here: Difference between HttpContext.Current and Controller.Context in MVC ASP.NET.

There's a bit of confusion in your question:

• a Date datatype doesn't save the time zone component. This piece of information is truncated and lost forever when you insert a TIMESTAMP WITH TIME ZONE into a Date.
• When you want to display a date, either on screen or to send it to another system via a character API (XML, file...), you use the TO_CHAR function. In Oracle, a Date has no format: it is a point in time.
• Reciprocally, you would use TO_TIMESTAMP_TZ to convert a VARCHAR2 to a TIMESTAMP, but this won't convert a Date to a TIMESTAMP.
• You use FROM_TZ to add the time zone information to a TIMESTAMP (or a Date).
• In Oracle, CST is a time zone but CDT is not. CDT is a daylight saving information.
• To complicate things further, CST/CDT (-05:00) and CST/CST (-06:00) will have different values obviously, but the time zone CST will inherit the daylight saving information depending upon the date by default.

So your conversion may not be as simple as it looks.

Assuming that you want to convert a Date d that you know is valid at time zone CST/CST to the equivalent at time zone CST/CDT, you would use:

SQL> SELECT from_tz(d, '-06:00') initial_ts,
  2         from_tz(d, '-06:00') at time zone ('-05:00') converted_ts
  3    FROM (SELECT cast(to_date('2012-10-09 01:10:21',
  4                              'yyyy-mm-dd hh24:mi:ss') as timestamp) d
  5            FROM dual);

INITIAL_TS                      CONVERTED_TS
------------------------------- -------------------------------
09/10/12 01:10:21,000000 -06:00 09/10/12 02:10:21,000000 -05:00

My default timestamp format has been used here. I can specify a format explicitely:

SQL> SELECT to_char(from_tz(d, '-06:00'),'yyyy-mm-dd hh24:mi:ss TZR') initial_ts,
  2         to_char(from_tz(d, '-06:00') at time zone ('-05:00'),
  3                 'yyyy-mm-dd hh24:mi:ss TZR') converted_ts
  4    FROM (SELECT cast(to_date('2012-10-09 01:10:21',
  5                              'yyyy-mm-dd hh24:mi:ss') as timestamp) d
  6            FROM dual);

INITIAL_TS                      CONVERTED_TS
------------------------------- -------------------------------
2012-10-09 01:10:21 -06:00      2012-10-09 02:10:21 -05:00

"... that are independent of their timezone"

var timezone =  d.getTimezoneOffset() // difference in minutes from GMT

You should try something like this

List xx= (List) list.get(0)
String id = (String) xx.get(0)

or if you have a House value object the result of the query is of the same type, then

House myhouse = (House) list.get(0);

I should like to take a step back and a modern look at this 10 years old question. The classes mentioned, Date and XMLGregorianCalendar, are old now. I challenge the use of them and offer alternatives.

• Date was always poorly designed and is more than 20 years old. This is simple: don’t use it.
• XMLGregorianCalendar is old too and has an old-fashioned design. As I understand it, it was used for producing dates and times in XML format for XML documents. Like 2009-05-07T19:05:45.678+02:00 or 2009-05-07T17:05:45.678Z. These formats agree well enough with ISO 8601 that the classes of java.time, the modern Java date and time API, can produce them, which we prefer.

No conversion necessary

For many (most?) purposes the modern replacement for a Date will be an Instant. An Instant is a point in time (just as a Date is).

    Instant yourInstant = // ...
    System.out.println(yourInstant);

An example output from this snippet:

2009-05-07T17:05:45.678Z

It’s the same as the latter of my example XMLGregorianCalendar strings above. As most of you know, it comes from Instant.toString being implicitly called by System.out.println. With java.time, in many cases we don’t need the conversions that in the old days we made between Date, Calendar, XMLGregorianCalendar and other classes (in some cases we do need conversions, though, I am showing you a couple in the next section).

Controlling the offset

Neither a Date nor in Instant has got a time zone nor a UTC offset. The previously accepted and still highest voted answer by Ben Noland uses the JVMs current default time zone for selecting the offset of the XMLGregorianCalendar. To include an offset in a modern object we use an OffsetDateTime. For example:

    ZoneId zone = ZoneId.of("America/Asuncion");
    OffsetDateTime dateTime = yourInstant.atZone(zone).toOffsetDateTime();
    System.out.println(dateTime);

2009-05-07T13:05:45.678-04:00

Again this conforms with XML format. If you want to use the current JVM time zone setting again, set zone to ZoneId.systemDefault().

What if I absolutely need an XMLGregorianCalendar?

There are more ways to convert Instant to XMLGregorianCalendar. I will present a couple, each with its pros and cons. First, just as an XMLGregorianCalendar produces a string like 2009-05-07T17:05:45.678Z, it can also be built from such a string:

    String dateTimeString = yourInstant.toString();
    XMLGregorianCalendar date2
            = DatatypeFactory.newInstance().newXMLGregorianCalendar(dateTimeString);
    System.out.println(date2);

2009-05-07T17:05:45.678Z

Pro: it’s short and I don’t think it gives any surprises. Con: To me it feels like a waste formatting the instant into a string and parsing it back.

    ZonedDateTime dateTime = yourInstant.atZone(zone);
    GregorianCalendar c = GregorianCalendar.from(dateTime);
    XMLGregorianCalendar date2 = DatatypeFactory.newInstance().newXMLGregorianCalendar(c);
    System.out.println(date2);

2009-05-07T13:05:45.678-04:00

Pro: It’s the official conversion. Controlling the offset comes naturally. Con: It goes through more steps and is therefore longer.

What if we got a Date?

If you got an old-fashioned Date object from a legacy API that you cannot afford to change just now, convert it to Instant:

    Instant i = yourDate.toInstant();
    System.out.println(i);

Output is the same as before:

2009-05-07T17:05:45.678Z

If you want to control the offset, convert further to an OffsetDateTime in the same way as above.

If you’ve got an old-fashioned Date and absolutely need an old-fashioned XMLGregorianCalendar, just use the answer by Ben Noland.

Links

• Oracle tutorial: Date Time explaining how to use java.time.
• XSD Date and Time Data Types on W3Schools.
• Wikipedia article: ISO 8601

The C++ way would be to use a std::stringstream object as:

std::stringstream fmt;
fmt << a << " " << b << " > " << c;

The C way would be to use sprintf.

The C way is difficult to get right since:

• It is type unsafe
• Requires buffer management

Of course, you may want to fall back on the C way if performance is an issue (imagine you are creating fixed-size million little stringstream objects and then throwing them away).

I prefer to specify the table and the schema owner.

Watch out for case sensitivity as well. (see "upper" clause below).

I threw a couple of different objects in to show that is can be used in places besides TABLEs.

.............

declare
   v_counter int;
begin
 select count(*) into v_counter from dba_users where upper(username)=upper('UserSchema01');
   if v_counter > 0 then
      execute immediate 'DROP USER UserSchema01 CASCADE';
   end if; 
end;
/



CREATE USER UserSchema01 IDENTIFIED BY pa$$word
  DEFAULT TABLESPACE users
  TEMPORARY TABLESPACE temp
  QUOTA UNLIMITED ON users;

grant create session to UserSchema01;  

And a TABLE example:

declare
   v_counter int;
begin
 select count(*) into v_counter from all_tables where upper(TABLE_NAME)=upper('ORDERS') and upper(OWNER)=upper('UserSchema01');
   if v_counter > 0 then
      execute immediate 'DROP TABLE UserSchema01.ORDERS';
   end if; 
end;
/   

Here is how I encountered this error in Django and fixed it:

Code with error

urlpatterns = [path('home/', views.home, 'home'),]

Correction

urlpatterns = [path('home/', views.home, name='home'),]

The easy way to do it, with GNU sed:

sed --in-place '/some string here/d' yourfile

You may want to create a subRepeater.

<asp:Repeater ID="SubRepeater" runat="server" DataSource='<%# Eval("Fields") %>'>
  <ItemTemplate>
    <span><%# Eval("Name") %></span>
  </ItemTemplate>
</asp:Repeater>

You can also cast your fields

<%# ((ArrayFields)Container.DataItem).Fields[0].Name %>

Finally you could do a little CSV Function and write out your fields with a function

<%# GetAsCsv(((ArrayFields)Container.DataItem).Fields) %>

public string GetAsCsv(IEnumerable<Fields> fields)
{
  var builder = new StringBuilder();
  foreach(var f in fields)
  {
    builder.Append(f);
    builder.Append(",");
  }
  builder.Remove(builder.Length - 1);
  return builder.ToString();
}

you can use this.

<span [attr.checked]="val? true : false"> </span>

to set a div at position fixed you can use

position:fixed
top:0;
left:0;
width:100%;
height:50px; /* change me */

Though this question is rather old and has already been answered, I just want to add a note on how to do proper exception handling in C++11:

Use std::nested_exception and std::throw_with_nested

It is described on StackOverflow here and here, how you can get a backtrace on your exceptions inside your code without need for a debugger or cumbersome logging, by simply writing a proper exception handler which will rethrow nested exceptions.

Since you can do this with any derived exception class, you can add a lot of information to such a backtrace! You may also take a look at my MWE on GitHub, where a backtrace would look something like this:

Library API: Exception caught in function 'api_function'
Backtrace:
~/Git/mwe-cpp-exception/src/detail/Library.cpp:17 : library_function failed
~/Git/mwe-cpp-exception/src/detail/Library.cpp:13 : could not open file "nonexistent.txt"

Put each line in cmd or all of theme in the batch file:

@echo off

if not "%1"=="am_admin" (powershell start -verb runas '%0' am_admin & exit /b)

"Put your command here"

it works fine for me.

List<Map<String, Object>> List = getJdbcTemplate().queryForList(SELECT_ALL_CONVERSATIONS_SQL_FULL, new Object[] {userId, dateFrom, dateTo});
for (Map<String, Object> rowMap : resultList) {
    DTO dTO = new DTO();
    dTO.setrarchyID((Long) (rowMap.get("ID")));
}

I had a similar issue but in my case, the solution was to dispatch the action as an async task in the main queue

DispatchQueue.main.async {
    let vc = self.storyboard?.instantiateViewController(withIdentifier: myVCID) as! myVCName
    self.present(vc, animated: true, completion: nil)
}

Why would you use -z? To test if a string is non-empty, you typically use -n:

if test -n "$errorstatus"; then
  echo errorstatus is not empty
fi

You can also try to use get(), for example:

connection = manager.connect.get("I2Cx")

which won't raise a KeyError in case the key doesn't exist.

You may also use second argument to specify the default value, if the key is not present.

You can't use the 'out' variable (nor any of the other "predeclared" scriptlet variables) inside directives.

The JSP page gets translated by your webserver into a Java servlet. Inside tomcats, for instance, everything inside scriptlets (which start "<%"), along with all the static HTML, gets translated into one giant Java method which writes your page, line by line, to a JspWriter instance called "out". This is why you can use the "out" parameter directly in scriptlets. Directives, on the other hand (which start with "<%!") get translated as separate Java methods.

As an example, a very simple page (let's call it foo.jsp):

<html>
    <head/>
    <body>
        <%!
            String someOutput() {
                return "Some output";
            }
        %>
        <% someOutput(); %>
    </body>
</html>

would end up looking something like this (with a lot of the detail ignored for clarity):

public final class foo_jsp
{
    // This is where the request comes in
    public void _jspService(HttpServletRequest request, HttpServletResponse response) 
        throws IOException, ServletException
    {
        // JspWriter instance is gotten from a factory
        // This is why you can use 'out' directly in scriptlets
        JspWriter out = ...; 

        // Snip

        out.write("<html>");
        out.write("<head/>");
        out.write("<body>");
        out.write(someOutput()); // i.e. write the results of the method call
        out.write("</body>");
        out.write("</html>");
    }

    // Directive gets translated as separate method - note
    // there is no 'out' variable declared in scope
    private String someOutput()
    {
        return "Some output";
    }
}

I am not quite sure if it works with ROW FORMAT serde 'com.bizo.hive.serde.csv.CSVSerde' but I guess that it should be similar to ROW FORMAT DELIMITED FIELDS TERMINATED BY ','.
In your case first row will be treated like normal row. But first field fails to be INT so all fields, for first row, will be set as NULL. You need only one intermediate step to fix it:

INSERT OVERWRITE TABLE Test
SELECT * from Test WHERE RecordId IS NOT NULL

Only one drawback is that your original csv file will be modified. I hope it helps. GL!

First, you split the data using split:

split(z,z$Group)

Than, for each chunk, select the row with max Score:

lapply(split(z,z$Group),function(chunk) chunk[which.max(chunk$Score),])

Finally reduce back to a data.frame do.calling rbind:

do.call(rbind,lapply(split(z,z$Group),function(chunk) chunk[which.max(chunk$Score),]))

Result:

  Group Score Info
1     1     3    c
2     2     4    d

One line, no magic spells, fast, result has good names =)

Swift 5.2

The only method I found to work and refresh a view dynamically where the visibility of buttons had changed was:-

viewWillAppear(true)

This may be a bad practice but hopefully somebody will leave a comment.

Run this code in your powershell or cmd

Set-ExecutionPolicy -Scope Process -ExecutionPolicy Bypass

here is my soln to define the remote and local port and then write out to a file the received data, put this all in a class of your choice with the correct imports

    static UdpClient sendClient = new UdpClient();
    static int localPort = 49999;
    static int remotePort = 49000;
    static IPEndPoint localEP = new IPEndPoint(IPAddress.Any, localPort);
    static IPEndPoint remoteEP = new IPEndPoint(IPAddress.Parse("127.0.0.1"), remotePort);
    static string logPath = System.AppDomain.CurrentDomain.BaseDirectory + "/recvd.txt";
    static System.IO.StreamWriter fw = new System.IO.StreamWriter(logPath, true);


    private static void initStuff()
    {
      
        fw.AutoFlush = true;
        sendClient.ExclusiveAddressUse = false;
        sendClient.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
        sendClient.Client.Bind(localEP);
        sendClient.BeginReceive(DataReceived, sendClient);
    }

    private static void DataReceived(IAsyncResult ar)
    {
        UdpClient c = (UdpClient)ar.AsyncState;
        IPEndPoint receivedIpEndPoint = new IPEndPoint(IPAddress.Any, 0);
        Byte[] receivedBytes = c.EndReceive(ar, ref receivedIpEndPoint);
        fw.WriteLine(DateTime.Now.ToString("HH:mm:ss.ff tt") +  " (" + receivedBytes.Length + " bytes)");

        c.BeginReceive(DataReceived, ar.AsyncState);
    }


    static void Main(string[] args)
    {
        initStuff();
        byte[] emptyByte = {};
        sendClient.Send(emptyByte, emptyByte.Length, remoteEP);
    }

If error comes for ".settings/language.settings.xml" or any such file you don't need to git.

1. Team -> Commit -> Staged filelist, check if unwanted file exists, -> Right click on each-> remove from index.
2. From UnStaged filelist, check if unwanted file exists, -> Right click on each-> Ignore.

Now if Staged file list empty, and Unstaged file list all files are marked as Ignored. You can pull. Otherwise, follow other answers.

Using a great similar service

private string GetPublicIpAddress()
{
    var request = (HttpWebRequest)WebRequest.Create("http://ifconfig.me");

    request.UserAgent = "curl"; // this will tell the server to return the information as if the request was made by the linux "curl" command

    string publicIPAddress;

    request.Method = "GET";
    using (WebResponse response = request.GetResponse())
    {
        using (var reader = new StreamReader(response.GetResponseStream()))
        {
            publicIPAddress = reader.ReadToEnd();
        }
    }

    return publicIPAddress.Replace("\n", "");
}

try this

<table style="height: 100%; left: 0; position: absolute; text-align: center; width: 100%;">
 <tr>
  <td>
   <div style="text-align: left; display: inline-block;">
    Your Html code Here
   </div>
  </td>
 </tr>
</table>

Or this

<div style="height: 100%; left: 0; position: absolute; text-align: center; width: 100%; display: table">
 <div style="display: table-row">
  <div style="display: table-cell; vertical-align:middle;">
   <div style="text-align: left; display: inline-block;">
    Your Html code here
   </div>
  </div>
 </div>
</div>

Node reverse_rec(Node start) {
    if (start == null || start -> next == null) {
       return start;
    }

    Node new_start = reverse(start->next);
    start->next->next = start;
    start->next = null;
    return new_start;
}


Node reverse(Node start) {
    Node cur = start;
    Node bef = null;

    while (cur != null) {
       Node nex = cur.next;
       cur.next = bef;
       bef = cur;
       cur = nex;
    }
    return bef;
}

See: http://www.html5-tutorials.org/tables/changing-column-width/

After the table tag, use the col element. you don't need a closing tag.

For example, if you had three columns:

<table>
  <colgroup>
    <col style="width:40%">
    <col style="width:30%">
    <col style="width:30%">
  </colgroup>  
  <tbody>
    ...
  </tbody>
</table>

This is not intended to be actually used in real life, just an interesting exercise. See Why is using the JavaScript eval function a bad idea? for details.

This is the closest you can get without resorting to vendor-specific extensions:

myArray = [1,2,3];
eval(set('a,b,c = myArray'));

Helper function:

function set(code) {
    var vars=code.split('=')[0].trim().split(',');
    var array=code.split('=')[1].trim();
    return 'var '+vars.map(function(x,i){return x+'='+array+'['+i+']'}).join(',');
}

Proof that it works in arbitrary scope:

(function(){
    myArray = [4,5,6];
    eval(set('x,y,z = myArray'));
    console.log(y);  // prints 5
})()

eval is not supported in Safari.

With jQuery date format :

$.format.date(new Date(), 'yyyy/MM/dd HH:mm:ss');

https://github.com/phstc/jquery-dateFormat

Enjoy

There's another approach to responsive font sizes - using rem units.

html {
    /* Base font size */
    font-size: 16px;
}

h1 {
    font-size: 1.5rem;
}

h2 {
    font-size: 1.2rem;
}

Later in media queries, you can adjust all fonts sizes by changing the base font size:

@media screen and (max-width: 767px) {
    html {
      /* Reducing base font size will reduce all rem sizes */
      font-size: 13px;
    }

    /* You can reduce font sizes manually as well */
    h1 {
        font-size: 1.2rem;
    }
    h2 {
        font-size: 1.0rem;
    }
}

To make this work in Internet Explorer 7 and Internet Explorer 8 you will have to add a fallback with px units:

h1 {
    font-size: 18px;
    font-size: 1.125rem;
}

If you're developing with Less, you can create a mixin that will do the math for you.

Rem units support - http://caniuse.com/#feat=rem

NOTE: see Cheetah's answer below as it identifies a prerequisite to get this solution to work. Setting the BackColor of the TextBox.

I think what you really want to do is enable the TextBox and set the ReadOnly property to true.

It's a bit tricky to change the color of the text in a disabled TextBox. I think you'd probably have to subclass and override the OnPaint event.

ReadOnly though should give you the same result as !Enabled and allow you to maintain control of the color and formatting of the TextBox. I think it will also still support selecting and copying text from the TextBox which is not possible with a disabled TextBox.

Another simple alternative is to use a Label instead of a TextBox.

Add a -v flag with your git command . e.g. git pull -v

v stands for verify .

From other member and my problem:

Camera Rotation issue depend on different Devices and certain Version.

Version 1.6: to fix the Rotation Issue, and it is good for most of devices

if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT)
        {   
            p.set("orientation", "portrait");
            p.set("rotation",90);
        }
        if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE)
        {                               
            p.set("orientation", "landscape");          
            p.set("rotation", 90);
        }

Version 2.1: depend on kind of devices, for example, Cannt fix the issue with XPeria X10, but it is good for X8, and Mini

Camera.Parameters parameters = camera.getParameters();
parameters.set("orientation", "portrait");
camera.setParameters(parameters);

Version 2.2: not for all devices

camera.setDisplayOrientation(90);

http://code.google.com/p/android/issues/detail?id=1193#c42

This works for me:

#! /bin/bash

CACERTS=$(readlink -e $(dirname $(readlink -e $(which keytool)))/../lib/security/cacerts)

if keytool -list -keystore $CACERTS -storepass changeit > /dev/null ; then
    echo $CACERTS
else
    echo 'Can not find cacerts file.' >&2
    exit 1
fi

Only for Linux. My Solaris has no readlink. In the end I used this Perl-Script:

#! /usr/bin/env perl
use strict;
use warnings;
use Cwd qw(realpath);
$_ = realpath((grep {-x && -f} map {"$_/keytool"} split(':', $ENV{PATH}))[0]);
die "Can not find keytool" unless defined $_;
my $keytool = $_;
print "Using '$keytool'.\n";
s/keytool$//;
$_ = realpath($_ . '../lib/security/cacerts');
die "Can not find cacerts" unless -f $_;
my $cacerts = $_;
print "Importing into '$cacerts'.\n";
`$keytool -list -keystore "$cacerts" -storepass changeit`;
die "Can not read key container" unless $? == 0;
exit if $ARGV[0] eq '-d';
foreach (@ARGV) {
    my $cert = $_;
    s/\.[^.]+$//;
    my $alias = $_;
    print "Importing '$cert' as '$alias'.\n";
    `keytool -importcert -file "$cert" -alias "$alias" -keystore "$cacerts" -storepass changeit`;
    warn "Can not import certificate: $?" unless $? == 0;
}

A postback is the process of re-loading a page, so if you want the page to close after the postback then you need to set your window.close() javascript to run with the browser's onload event during that postback, normally done using the ClientScript.RegisterStartupScript() function.

But are you sure this is what you want to do? Closing pages tends to piss off users.

Another cause is wrong indentation which means trying to create the wrong objects. I've just fixed one in a Kubernetes Ingress definition:

Wrong

- path: / 
    backend: 
      serviceName: <service_name> 
      servicePort: <port> 

Correct

- path: /
  backend:
    serviceName: <service_name>
    servicePort: <port>

do like this-paste your html code inside your separate html file using GET method.

$mail->IsHTML(true);                                 
    $mail->WordWrap = 70;                                 
    $mail->addAttachment= $_GET['addattachment']; $mail->AltBody   
    =$_GET['AltBody'];  $mail->Subject = $_GET['subject']; $mail->Body = $_GET['body'];

By my experiences when it happens on light queries there is a way to solve the problem. It seems when you start or restart mysql after apache this problem starts to appear and the source of the problem is confused open sockets in the php process. To solve it:

1. First restart mysql service

2. Then restart apache service

Is your BitLocker disk encryption running? In my case, it locked the whole drive of the disk for encryption, and SVN failed with this error.

listview.setOnItemLongClickListener(new OnItemLongClickListener() {

        @Override
        public boolean onItemLongClick(final AdapterView<?> parent, View view,
                final int position, long id) {
            // TODO Auto-generated method stub

             parent.getChildAt(position).setBackgroundColor(getResources().getColor(R.color.listlongclick_selection));

            return false;
        }
    });

Updated for swift 3:

// function defination:

@IBAction func showAlertDialog(_ sender: UIButton) {
        // Declare Alert
        let dialogMessage = UIAlertController(title: "Confirm", message: "Are you sure you want to Logout?", preferredStyle: .alert)

        // Create OK button with action handler
        let ok = UIAlertAction(title: "OK", style: .default, handler: { (action) -> Void in
             print("Ok button click...")
             self.logoutFun()
        })

        // Create Cancel button with action handlder
        let cancel = UIAlertAction(title: "Cancel", style: .cancel) { (action) -> Void in
            print("Cancel button click...")
        }

        //Add OK and Cancel button to dialog message
        dialogMessage.addAction(ok)
        dialogMessage.addAction(cancel)

        // Present dialog message to user
        self.present(dialogMessage, animated: true, completion: nil)
    }

// logoutFun() function definaiton :

func logoutFun()
{
    print("Logout Successfully...!")
}

The Path is the only thing you really have to worry about if you are really new to Java. You need to drag your image into the main project file, and it will show up at the very bottom of the list.

Then the file path is pretty straight forward. This code goes into the constructor for the class.

    img = Toolkit.getDefaultToolkit().createImage("/home/ben/workspace/CS2/Background.jpg");

CS2 is the name of my project, and everything before that is leading to the workspace.

JPA is an API, one which Hibernate implements.Hibernate predates JPA. Before JPA, you write native hibernate code to do your ORM. JPA is just the interface, so now you write JPA code and you need to find an implementation. Hibernate happens to be an implementation.

So your choices are this: hibernate, toplink, etc...

The advantage to JPA is that it allows you to swap out your implementation if need be. The disadvantage is that the native hibernate/toplink/etc... API may offer functionality that the JPA specification doesn't support.

For swift 2.0:

let cacheSizeMemory = 4*1024*1024; // 4MB
let cacheSizeDisk = 32*1024*1024; // 32MB
let sharedCache = NSURLCache(memoryCapacity: cacheSizeMemory, diskCapacity: cacheSizeDisk, diskPath: "nsurlcache")
NSURLCache.setSharedURLCache(sharedCache)

Try to replace the \n with %0A just like you have spaces replaced with %20.

These examples are minified because StackOverflow has a maximum character limit and links to external code are discouraged since links can break.

There are multiple plugins if you look: Bootstrap Sortable, Bootstrap Table or DataTables.

Bootstrap 3 with DataTables Example: Bootstrap Docs & DataTables Docs

$(document).ready(function() {
  $('#example').DataTable();
});

<link href=https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/css/bootstrap.min.css rel=stylesheet><link href=https://cdnjs.cloudflare.com/ajax/libs/datatables/1.10.20/css/dataTables.bootstrap.min.css rel=stylesheet><div class=container><h1>Bootstrap 3 DataTables</h1><table cellspacing=0 class="table table-bordered table-hover table-striped"id=example width=100%><thead><tr><th>Name<th>Position<th>Office<th>Salary<tbody><tr><td>Tiger Nixon<td>System Architect<td>Edinburgh<td>$320,800<tr><td>Garrett Winters<td>Accountant<td>Tokyo<td>$170,750<tr><td>Ashton Cox<td>Junior Technical Author<td>San Francisco<td>$86,000<tr><td>Cedric Kelly<td>Senior Javascript Developer<td>Edinburgh<td>$433,060<tr><td>Airi Satou<td>Accountant<td>Tokyo<td>$162,700<tr><td>Brielle Williamson<td>Integration Specialist<td>New York<td>$372,000<tr><td>Herrod Chandler<td>Sales Assistant<td>San Francisco<td>$137,500<tr><td>Rhona Davidson<td>Integration Specialist<td>Tokyo<td>$327,900<tr><td>Colleen Hurst<td>Javascript Developer<td>San Francisco<td>$205,500<tr><td>Sonya Frost<td>Software Engineer<td>Edinburgh<td>$103,600<tr><td>Jena Gaines<td>Office Manager<td>London<td>$90,560<tr><td>Quinn Flynn<td>Support Lead<td>Edinburgh<td>$342,000<tr><td>Charde Marshall<td>Regional Director<td>San Francisco<td>$470,600<tr><td>Haley Kennedy<td>Senior Marketing Designer<td>London<td>$313,500<tr><td>Tatyana Fitzpatrick<td>Regional Director<td>London<td>$385,750<tr><td>Michael Silva<td>Marketing Designer<td>London<td>$198,500<tr><td>Paul Byrd<td>Chief Financial Officer (CFO)<td>New York<td>$725,000<tr><td>Gloria Little<td>Systems Administrator<td>New York<td>$237,500<tr><td>Bradley Greer<td>Software Engineer<td>London<td>$132,000<tr><td>Dai Rios<td>Personnel Lead<td>Edinburgh<td>$217,500<tr><td>Jenette Caldwell<td>Development Lead<td>New York<td>$345,000<tr><td>Yuri Berry<td>Chief Marketing Officer (CMO)<td>New York<td>$675,000<tr><td>Caesar Vance<td>Pre-Sales Support<td>New York<td>$106,450<tr><td>Doris Wilder<td>Sales Assistant<td>Sidney<td>$85,600<tr><td>Angelica Ramos<td>Chief Executive Officer (CEO)<td>London<td>$1,200,000<tr><td>Gavin Joyce<td>Developer<td>Edinburgh<td>$92,575<tr><td>Jennifer Chang<td>Regional Director<td>Singapore<td>$357,650<tr><td>Brenden Wagner<td>Software Engineer<td>San Francisco<td>$206,850<tr><td>Fiona Green<td>Chief Operating Officer (COO)<td>San Francisco<td>$850,000<tr><td>Shou Itou<td>Regional Marketing<td>Tokyo<td>$163,000<tr><td>Michelle House<td>Integration Specialist<td>Sidney<td>$95,400<tr><td>Suki Burks<td>Developer<td>London<td>$114,500<tr><td>Prescott Bartlett<td>Technical Author<td>London<td>$145,000<tr><td>Gavin Cortez<td>Team Leader<td>San Francisco<td>$235,500<tr><td>Martena Mccray<td>Post-Sales support<td>Edinburgh<td>$324,050<tr><td>Unity Butler<td>Marketing Designer<td>San Francisco<td>$85,675<tr><td>Howard Hatfield<td>Office Manager<td>San Francisco<td>$164,500<tr><td>Hope Fuentes<td>Secretary<td>San Francisco<td>$109,850<tr><td>Vivian Harrell<td>Financial Controller<td>San Francisco<td>$452,500<tr><td>Timothy Mooney<td>Office Manager<td>London<td>$136,200<tr><td>Jackson Bradshaw<td>Director<td>New York<td>$645,750<tr><td>Olivia Liang<td>Support Engineer<td>Singapore<td>$234,500<tr><td>Bruno Nash<td>Software Engineer<td>London<td>$163,500<tr><td>Sakura Yamamoto<td>Support Engineer<td>Tokyo<td>$139,575<tr><td>Thor Walton<td>Developer<td>New York<td>$98,540<tr><td>Finn Camacho<td>Support Engineer<td>San Francisco<td>$87,500<tr><td>Serge Baldwin<td>Data Coordinator<td>Singapore<td>$138,575<tr><td>Zenaida Frank<td>Software Engineer<td>New York<td>$125,250<tr><td>Zorita Serrano<td>Software Engineer<td>San Francisco<td>$115,000<tr><td>Jennifer Acosta<td>Junior Javascript Developer<td>Edinburgh<td>$75,650<tr><td>Cara Stevens<td>Sales Assistant<td>New York<td>$145,600<tr><td>Hermione Butler<td>Regional Director<td>London<td>$356,250<tr><td>Lael Greer<td>Systems Administrator<td>London<td>$103,500<tr><td>Jonas Alexander<td>Developer<td>San Francisco<td>$86,500<tr><td>Shad Decker<td>Regional Director<td>Edinburgh<td>$183,000<tr><td>Michael Bruce<td>Javascript Developer<td>Singapore<td>$183,000<tr><td>Donna Snider<td>Customer Support<td>New York<td>$112,000</table></div><script src=https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js></script><script src=https://cdnjs.cloudflare.com/ajax/libs/datatables/1.10.20/js/jquery.dataTables.min.js></script><script src=https://cdnjs.cloudflare.com/ajax/libs/datatables/1.10.20/js/dataTables.bootstrap.min.js></script>

Bootstrap 4 with DataTables Example: Bootstrap Docs & DataTables Docs

$(document).ready(function() {
  $('#example').DataTable();
});

<link href=https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.5.0/css/bootstrap.min.css rel=stylesheet><link href=https://cdnjs.cloudflare.com/ajax/libs/datatables/1.10.20/css/dataTables.bootstrap4.min.css rel=stylesheet><div class=container><h1>Bootstrap 4 DataTables</h1><table cellspacing=0 class="table table-bordered table-hover table-inverse table-striped"id=example width=100%><thead><tr><th>Name<th>Position<th>Office<th>Age<th>Start date<th>Salary<tfoot><tr><th>Name<th>Position<th>Office<th>Age<th>Start date<th>Salary<tbody><tr><td>Tiger Nixon<td>System Architect<td>Edinburgh<td>61<td>2011/04/25<td>$320,800<tr><td>Garrett Winters<td>Accountant<td>Tokyo<td>63<td>2011/07/25<td>$170,750<tr><td>Ashton Cox<td>Junior Technical Author<td>San Francisco<td>66<td>2009/01/12<td>$86,000<tr><td>Cedric Kelly<td>Senior Javascript Developer<td>Edinburgh<td>22<td>2012/03/29<td>$433,060<tr><td>Airi Satou<td>Accountant<td>Tokyo<td>33<td>2008/11/28<td>$162,700<tr><td>Brielle Williamson<td>Integration Specialist<td>New York<td>61<td>2012/12/02<td>$372,000<tr><td>Herrod Chandler<td>Sales Assistant<td>San Francisco<td>59<td>2012/08/06<td>$137,500<tr><td>Rhona Davidson<td>Integration Specialist<td>Tokyo<td>55<td>2010/10/14<td>$327,900<tr><td>Colleen Hurst<td>Javascript Developer<td>San Francisco<td>39<td>2009/09/15<td>$205,500<tr><td>Sonya Frost<td>Software Engineer<td>Edinburgh<td>23<td>2008/12/13<td>$103,600<tr><td>Jena Gaines<td>Office Manager<td>London<td>30<td>2008/12/19<td>$90,560<tr><td>Quinn Flynn<td>Support Lead<td>Edinburgh<td>22<td>2013/03/03<td>$342,000<tr><td>Charde Marshall<td>Regional Director<td>San Francisco<td>36<td>2008/10/16<td>$470,600<tr><td>Haley Kennedy<td>Senior Marketing Designer<td>London<td>43<td>2012/12/18<td>$313,500<tr><td>Tatyana Fitzpatrick<td>Regional Director<td>London<td>19<td>2010/03/17<td>$385,750<tr><td>Michael Silva<td>Marketing Designer<td>London<td>66<td>2012/11/27<td>$198,500<tr><td>Paul Byrd<td>Chief Financial Officer (CFO)<td>New York<td>64<td>2010/06/09<td>$725,000<tr><td>Gloria Little<td>Systems Administrator<td>New York<td>59<td>2009/04/10<td>$237,500<tr><td>Bradley Greer<td>Software Engineer<td>London<td>41<td>2012/10/13<td>$132,000<tr><td>Dai Rios<td>Personnel Lead<td>Edinburgh<td>35<td>2012/09/26<td>$217,500<tr><td>Jenette Caldwell<td>Development Lead<td>New York<td>30<td>2011/09/03<td>$345,000<tr><td>Yuri Berry<td>Chief Marketing Officer (CMO)<td>New York<td>40<td>2009/06/25<td>$675,000<tr><td>Caesar Vance<td>Pre-Sales Support<td>New York<td>21<td>2011/12/12<td>$106,450<tr><td>Doris Wilder<td>Sales Assistant<td>Sidney<td>23<td>2010/09/20<td>$85,600<tr><td>Angelica Ramos<td>Chief Executive Officer (CEO)<td>London<td>47<td>2009/10/09<td>$1,200,000<tr><td>Gavin Joyce<td>Developer<td>Edinburgh<td>42<td>2010/12/22<td>$92,575<tr><td>Jennifer Chang<td>Regional Director<td>Singapore<td>28<td>2010/11/14<td>$357,650<tr><td>Brenden Wagner<td>Software Engineer<td>San Francisco<td>28<td>2011/06/07<td>$206,850<tr><td>Fiona Green<td>Chief Operating Officer (COO)<td>San Francisco<td>48<td>2010/03/11<td>$850,000<tr><td>Shou Itou<td>Regional Marketing<td>Tokyo<td>20<td>2011/08/14<td>$163,000<tr><td>Michelle House<td>Integration Specialist<td>Sidney<td>37<td>2011/06/02<td>$95,400<tr><td>Suki Burks<td>Developer<td>London<td>53<td>2009/10/22<td>$114,500<tr><td>Prescott Bartlett<td>Technical Author<td>London<td>27<td>2011/05/07<td>$145,000<tr><td>Gavin Cortez<td>Team Leader<td>San Francisco<td>22<td>2008/10/26<td>$235,500<tr><td>Martena Mccray<td>Post-Sales support<td>Edinburgh<td>46<td>2011/03/09<td>$324,050<tr><td>Unity Butler<td>Marketing Designer<td>San Francisco<td>47<td>2009/12/09<td>$85,675<tr><td>Howard Hatfield<td>Office Manager<td>San Francisco<td>51<td>2008/12/16<td>$164,500<tr><td>Hope Fuentes<td>Secretary<td>San Francisco<td>41<td>2010/02/12<td>$109,850<tr><td>Vivian Harrell<td>Financial Controller<td>San Francisco<td>62<td>2009/02/14<td>$452,500<tr><td>Timothy Mooney<td>Office Manager<td>London<td>37<td>2008/12/11<td>$136,200<tr><td>Jackson Bradshaw<td>Director<td>New York<td>65<td>2008/09/26<td>$645,750<tr><td>Olivia Liang<td>Support Engineer<td>Singapore<td>64<td>2011/02/03<td>$234,500<tr><td>Bruno Nash<td>Software Engineer<td>London<td>38<td>2011/05/03<td>$163,500<tr><td>Sakura Yamamoto<td>Support Engineer<td>Tokyo<td>37<td>2009/08/19<td>$139,575<tr><td>Thor Walton<td>Developer<td>New York<td>61<td>2013/08/11<td>$98,540<tr><td>Finn Camacho<td>Support Engineer<td>San Francisco<td>47<td>2009/07/07<td>$87,500<tr><td>Serge Baldwin<td>Data Coordinator<td>Singapore<td>64<td>2012/04/09<td>$138,575<tr><td>Zenaida Frank<td>Software Engineer<td>New York<td>63<td>2010/01/04<td>$125,250<tr><td>Zorita Serrano<td>Software Engineer<td>San Francisco<td>56<td>2012/06/01<td>$115,000<tr><td>Jennifer Acosta<td>Junior Javascript Developer<td>Edinburgh<td>43<td>2013/02/01<td>$75,650<tr><td>Cara Stevens<td>Sales Assistant<td>New York<td>46<td>2011/12/06<td>$145,600<tr><td>Hermione Butler<td>Regional Director<td>London<td>47<td>2011/03/21<td>$356,250<tr><td>Lael Greer<td>Systems Administrator<td>London<td>21<td>2009/02/27<td>$103,500<tr><td>Jonas Alexander<td>Developer<td>San Francisco<td>30<td>2010/07/14<td>$86,500<tr><td>Shad Decker<td>Regional Director<td>Edinburgh<td>51<td>2008/11/13<td>$183,000<tr><td>Michael Bruce<td>Javascript Developer<td>Singapore<td>29<td>2011/06/27<td>$183,000<tr><td>Donna Snider<td>Customer Support<td>New York<td>27<td>2011/01/25<td>$112,000</table></div><script src=https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js></script><script src=https://cdnjs.cloudflare.com/ajax/libs/datatables/1.10.20/js/jquery.dataTables.min.js></script><script src=https://cdnjs.cloudflare.com/ajax/libs/datatables/1.10.20/js/dataTables.bootstrap4.min.js></script>

Bootstrap 3 with Bootstrap Table Example: Bootstrap Docs & Bootstrap Table Docs

<link href=https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/css/bootstrap.min.css rel=stylesheet><link href=https://cdnjs.cloudflare.com/ajax/libs/bootstrap-table/1.16.0/bootstrap-table.min.css rel=stylesheet><table data-sort-name=stargazers_count data-sort-order=desc data-toggle=table data-url="https://api.github.com/users/wenzhixin/repos?type=owner&sort=full_name&direction=asc&per_page=100&page=1"><thead><tr><th data-field=name data-sortable=true>Name<th data-field=stargazers_count data-sortable=true>Stars<th data-field=forks_count data-sortable=true>Forks<th data-field=description data-sortable=true>Description</thead></table><script src=https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js></script><script src=https://cdnjs.cloudflare.com/ajax/libs/bootstrap-table/1.16.0/bootstrap-table.min.js></script>

Bootstrap 3 with Bootstrap Sortable Example: Bootstrap Docs & Bootstrap Sortable Docs

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down"),r.attr("data-sortcolumn",a),r.attr("data-sortkey",a+"-"+e)})}),r.find("> thead .rowspan-compensate, .colspan-compensate").remove(),r.find("th").each(function(){var e=t(this);if(void 0!==e.attr("data-dateformat")&&s){var o=parseFloat(e.attr("data-sortcolumn"));r.find("td:nth-child("+(o+1)+")").each(function(){var r=t(this);r.attr("data-value",a(r.text(),e.attr("data-dateformat")).format("YYYY/MM/DD/HH/mm/ss"))})}else if(void 0!==e.attr("data-valueprovider")){o=parseFloat(e.attr("data-sortcolumn"));r.find("td:nth-child("+(o+1)+")").each(function(){var a=t(this);a.attr("data-value",new RegExp(e.attr("data-valueprovider")).exec(a.text())[0])})}}),r.find("td").each(function(){var e=t(this);void 0!==e.attr("data-dateformat")&&s?e.attr("data-value",a(e.text(),e.attr("data-dateformat")).format("YYYY/MM/DD/HH/mm/ss")):void 0!==e.attr("data-valueprovider")?e.attr("data-value",new RegExp(e.attr("data-valueprovider")).exec(e.text())[0]):void 0===e.attr("data-value")&&e.attr("data-value",e.text())});var n=l(r),d=n.bsSort;r.find('> thead th[data-defaultsort!="disabled"]').each(function(e){var a=t(this),r=a.closest("table.sortable");a.data("sortTable",r);var s=a.attr("data-sortkey"),i=o?n.lastSort:-1;d[s]=o?d[s]:a.attr("data-defaultsort"),void 0!==d[s]&&o===(s===i)&&(d[s]="asc"===d[s]?"desc":"asc",u(a,r))})})}function i(e){var a=t(e),r=a.data("sortTable")||a.closest("table.sortable");u(a,r)}function l(e){var a=e.data("bootstrap-sortable-context");return void 0===a&&(a={bsSort:[],lastSort:void 0},e.find('> thead th[data-defaultsort!="disabled"]').each(function(e){var r=t(this),o=r.attr("data-sortkey");a.bsSort[o]=r.attr("data-defaultsort"),void 0!==a.bsSort[o]&&(a.lastSort=o)}),e.data("bootstrap-sortable-context",a)),a}function c(t,a){e(t,a)}function u(e,a){a.trigger("before-sort");var s=parseFloat(e.attr("data-sortcolumn")),d=l(a),i=d.bsSort;if(e.attr("colspan")){var c=parseFloat(e.data("mainsort"))||0,f=parseFloat(e.data("sortkey").split("-").pop());if(a.find("> thead tr").length-1>f)return void u(a.find('[data-sortkey="'+(s+c)+"-"+(f+1)+'"]'),a);s+=c}var h=e.attr("data-defaultsign")||r;if(a.find("> thead th").each(function(){t(this).removeClass("up").removeClass("down").addClass("nosort")}),t.browser.mozilla){var p=a.find("> thead div.mozilla");void 0!==p&&(p.find(".sign").remove(),p.parent().html(p.html())),e.wrapInner('<div class="mozilla"></div>'),e.children().eq(0).append('<span class="sign '+h+'"></span>')}else a.find("> thead span.sign").remove(),e.append('<span class="sign '+h+'"></span>');var m=e.attr("data-sortkey"),v="desc"!==e.attr("data-firstsort")?"desc":"asc",b=i[m]||v;d.lastSort!==m&&void 0!==i[m]||(b="asc"===b?"desc":"asc"),i[m]=b,d.lastSort=m,"desc"===i[m]?(e.find("span.sign").addClass("up"),e.addClass("up").removeClass("down nosort")):e.addClass("down").removeClass("up nosort");var g=a.children("tbody").children("tr"),w=[];t(g.filter('[data-disablesort="true"]').get().reverse()).each(function(e,a){var r=t(a);w.push({index:g.index(r),row:r}),r.remove()});var S=g.not('[data-disablesort="true"]');if(0!=S.length){var y="asc"===i[m]&&n;o(S,{emptyEnd:y,selector:"td:nth-child("+(s+1)+")",order:i[m],data:"value"})}t(w.reverse()).each(function(t,e){0===e.index?a.children("tbody").prepend(e.row):a.children("tbody").children("tr").eq(e.index-1).after(e.row)}),a.find("> tbody > tr > td.sorted,> thead th.sorted").removeClass("sorted"),S.find("td:eq("+s+")").addClass("sorted"),e.addClass("sorted"),a.trigger("sorted")}if(t.bootstrapSortable=function(t){null==t?d({}):t.constructor===Boolean?d({applyLast:t}):void 0!==t.sortingHeader?i(t.sortingHeader):d(t)},s.on("click",'table.sortable>thead th[data-defaultsort!="disabled"]',function(t){i(this)}),!t.browser){t.browser={chrome:!1,mozilla:!1,opera:!1,msie:!1,safari:!1};var f=navigator.userAgent;t.each(t.browser,function(e){t.browser[e]=!!new RegExp(e,"i").test(f),t.browser.mozilla&&"mozilla"===e&&(t.browser.mozilla=!!new RegExp("firefox","i").test(f)),t.browser.chrome&&"safari"===e&&(t.browser.safari=!1)})}t(t.bootstrapSortable)}),function(){var t=$("table");t.append(newTableRow()),t.append(newTableRow()),$("button.add-row").on("click",function(){var e=$(this);t.append(newTableRow()),e.data("sort")?$.bootstrapSortable(!0):$.bootstrapSortable(!1)}),$("button.change-sort").on("click",function(){$(this).data("custom")?$.bootstrapSortable(!0,void 0,customSort):$.bootstrapSortable(!0,void 0,"default")}),t.on("sorted",function(){alert("Table was sorted.")}),$("#event").on("change",function(){$(this).is(":checked")?t.on("sorted",function(){alert("Table was sorted.")}):t.off("sorted")}),$("input[name=sign]:radio").change(function(){$.bootstrapSortable(!0,$(this).val())})}();

table.sortable span.sign { display: block; position: absolute; top: 50%; right: 5px; font-size: 12px; margin-top: -10px; color: #bfbfc1; } table.sortable th:after { display: block; position: absolute; top: 50%; right: 5px; font-size: 12px; margin-top: -10px; color: #bfbfc1; } table.sortable th.arrow:after { content: ''; } table.sortable span.arrow, span.reversed, th.arrow.down:after, th.reversedarrow.down:after, th.arrow.up:after, th.reversedarrow.up:after { border-style: solid; border-width: 5px; font-size: 0; border-color: #ccc transparent transparent transparent; line-height: 0; height: 0; width: 0; margin-top: -2px; } table.sortable span.arrow.up, th.arrow.up:after { border-color: transparent transparent #ccc transparent; margin-top: -7px; } table.sortable span.reversed, th.reversedarrow.down:after { border-color: transparent transparent #ccc transparent; margin-top: -7px; } table.sortable span.reversed.up, th.reversedarrow.up:after { border-color: #ccc transparent transparent transparent; margin-top: -2px; } table.sortable span.az:before, th.az.down:after { content: "a .. z"; } table.sortable span.az.up:before, th.az.up:after { content: "z .. a"; } table.sortable th.az.nosort:after, th.AZ.nosort:after, th._19.nosort:after, th.month.nosort:after { content: ".."; } table.sortable span.AZ:before, th.AZ.down:after { content: "A .. Z"; } table.sortable span.AZ.up:before, th.AZ.up:after { content: "Z .. A"; } table.sortable span._19:before, th._19.down:after { content: "1 .. 9"; } table.sortable span._19.up:before, th._19.up:after { content: "9 .. 1"; } table.sortable span.month:before, th.month.down:after { content: "jan .. dec"; } table.sortable span.month.up:before, th.month.up:after { content: "dec .. jan"; } table.sortable thead th:not([data-defaultsort=disabled]) { cursor: pointer; position: relative; top: 0; left: 0; } table.sortable thead th:hover:not([data-defaultsort=disabled]) { background: #efefef; } table.sortable thead th div.mozilla { position: relative; }

<link href=https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.1/css/all.min.css rel=stylesheet><link href=https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css rel=stylesheet><div class=container><div class=hero-unit><h1>Bootstrap Sortable</h1></div><table class="sortable table table-bordered table-striped"><thead><tr><th style=width:20%;vertical-align:middle data-defaultsign=nospan class=az data-defaultsort=asc rowspan=2><i class="fa fa-fw fa-map-marker"></i>Name<th style=text-align:center colspan=4 data-mainsort=3>Results<th data-defaultsort=disabled><tr><th style=width:20% colspan=2 data-mainsort=1 data-firstsort=desc>Round 1<th style=width:20%>Round 2<th style=width:20%>Total<t
                  

To include and then reference an outer-system assembly
1. In Solution Explorer, right-click the project that needs to reference the assembly,,and then click Add Existing Item.
2. Browse to the assembly, and then click OK. The assembly is then copied into the project folder and automatically added to VSS (assuming the project is already under source control).
3. Use the Browse button in the Add Reference dialog box to set a file reference to assembly in the project folder.

if(CompareDates(smallDate,largeDate,'-') == 0) {
    alert('Selected date must be current date or previous date!');
return false;
}

function CompareDates(smallDate,largeDate,separator) {
    var smallDateArr = Array();
    var largeDateArr = Array(); 
    smallDateArr = smallDate.split(separator);
    largeDateArr = largeDate.split(separator);  
    var smallDt = smallDateArr[0];
    var smallMt = smallDateArr[1];
    var smallYr = smallDateArr[2];  
    var largeDt = largeDateArr[0];
    var largeMt = largeDateArr[1];
    var largeYr = largeDateArr[2];

    if(smallYr>largeYr) 
        return 0;
else if(smallYr<=largeYr && smallMt>largeMt)
    return 0;
else if(smallYr<=largeYr && smallMt==largeMt && smallDt>largeDt)
    return 0;
else 
    return 1;
}  

   public static class StringEx
    {
        public static bool Contains(this String str, string[] Arr, StringComparison comp)
        {
            if (Arr != null)
            {
                foreach (string s in Arr)
                {
                    if (str.IndexOf(s, comp)>=0)
                    { return true; }
                }
            }

            return false;
        }

        public static bool Contains(this String str,string[] Arr)
        {
            if (Arr != null)
            {
                foreach (string s in Arr)
                {
                    if (str.Contains(s))
                    { return true; }
                }
            }

            return false;
        }
    }


var portCode = Database.DischargePorts
                   .Single(p => p.PortName.Contains( new string[] {"BALTIMORE"},  StringComparison.CurrentCultureIgnoreCase) ))
                   .PortCode;

git branch dirty
git checkout dirty
// And your commit follows ...

            .then(() => {
                console.log('wait for 10 seconds . . . . ');
                return new Promise(function(resolve, reject) { 
                    setTimeout(() => {
                        console.log('10 seconds Timer expired!!!');
                        resolve();
                    }, 10000)
                });
            })
            .then(() => {
                console.log('promise resolved!!!');

            })

wait for 10 seconds . . . .
10 seconds Timer expired!!!
promise resolved!!!

source activate environment-name

conda update conda

conda install python=3.5

sudo apt-get install mailutils

echo "this is a test mail" | mail -s "Subject of mail" [email protected]

Dim reader as StreamReader = My.Computer.FileSystem.OpenTextFileReader(filetoimport.Text)
Dim a as String

Do
   a = reader.ReadLine
   '
   ' Code here
   '
Loop Until a Is Nothing

reader.Close()

import numpy as np
import matplotlib.pyplot as plt

def f(x):
    return np.int(x)
f2 = np.vectorize(f)
x = np.arange(1, 15.1, 0.1)
plt.plot(x, f2(x))
plt.show()

import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.JTextComponent;
import javax.swing.text.PlainDocument;
import java.awt.*;

public class TextComponentLimit extends PlainDocument
{
    private int charactersLimit;

    private TextComponentLimit(int charactersLimit)
    {
        this.charactersLimit = charactersLimit;
    }

    @Override
    public void insertString(int offset, String input, AttributeSet attributeSet) throws BadLocationException
    {
        if (isAllowed(input))
        {
            super.insertString(offset, input, attributeSet);
        } else
        {
            Toolkit.getDefaultToolkit().beep();
        }
    }

    private boolean isAllowed(String string)
    {
        return (getLength() + string.length()) <= charactersLimit;
    }

    public static void addTo(JTextComponent textComponent, int charactersLimit)
    {
        TextComponentLimit textFieldLimit = new TextComponentLimit(charactersLimit);
        textComponent.setDocument(textFieldLimit);
    }
}

JTextFieldLimit.addTo(myTextField, myMaximumLength);

import cv2
import numpy as np

# Load image as grayscale and crop ROI
image = cv2.imread('1.png', 0)
x, y, w, h = 364, 633, 791, 273
ROI = image[y:y+h, x:x+w]

# Calculate mean and STD
mean, STD  = cv2.meanStdDev(ROI)

# Clip frame to lower and upper STD
offset = 0.2
clipped = np.clip(image, mean - offset*STD, mean + offset*STD).astype(np.uint8)

# Normalize to range
result = cv2.normalize(clipped, clipped, 0, 255, norm_type=cv2.NORM_MINMAX)

cv2.imshow('image', image)
cv2.imshow('ROI', ROI)
cv2.imshow('result', result)
cv2.waitKey()

import matplotlib.pyplot as plt
import numpy as np
import cv2

image = cv2.imread('result.png', 0)
colormap = plt.get_cmap('inferno')
heatmap = (colormap(image) * 2**16).astype(np.uint16)[:,:,:3]
heatmap = cv2.cvtColor(heatmap, cv2.COLOR_RGB2BGR)

cv2.imshow('image', image)
cv2.imshow('heatmap', heatmap)
cv2.waitKey()

$date = '2-16-2013';
echo date('Y-m-d', strtotime(str_replace('-','/', $date))); // => 2013-02-16

parseInt(string, radix)

Number(object)

<!-- Your comment here -->

<TextView
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    <!--android:text="Hello.."-->
    android:textStyle="bold" />

<!--<TextView
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="Hello.."
    android:textStyle="bold" />-->

line.split()

line.split(',')

"one,two,three".split()  # returns one element ["one,two,three"]
"one,two,three".split(',')  # returns three elements ["one", "two", "three"]

USE DBName;  
GO  
-- Truncate the log by changing the database recovery model to SIMPLE.  
ALTER DATABASE DBName  
SET RECOVERY SIMPLE;  
GO  
-- Shrink the truncated log file to 1 MB.  
DBCC SHRINKFILE (DBName_log, 1);  --File name SELECT * FROM sys.database_files; query to get the file name
GO  
-- Reset the database recovery model.  
ALTER DATABASE DBName  
SET RECOVERY FULL;  
GO

=VLOOKUP(LEFT(A1,3),LEFT(B$2:B$22,3), 1,FALSE)

class CartridgeShell extends React.Component {_x000D_
_x000D_
   constructor(props) {_x000D_
      super(props);_x000D_
      this.state = {value:''}_x000D_
_x000D_
      this.handleChange = this.handleChange.bind(this);_x000D_
      this.keyPress = this.keyPress.bind(this);_x000D_
   } _x000D_
 _x000D_
   handleChange(e) {_x000D_
      this.setState({ value: e.target.value });_x000D_
   }_x000D_
_x000D_
   keyPress(e){_x000D_
      if(e.keyCode == 13){_x000D_
         console.log('value', e.target.value);_x000D_
         // put the login here_x000D_
      }_x000D_
   }_x000D_
_x000D_
   render(){_x000D_
      return(_x000D_
         <input value={this.state.value} onKeyDown={this.keyPress} onChange={this.handleChange} fullWidth={true} />_x000D_
      )_x000D_
    }_x000D_
}_x000D_
_x000D_
ReactDOM.render(<CartridgeShell/>, document.getElementById('app'))

<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.1.0/react.min.js"></script>_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.1.0/react-dom.min.js"></script>_x000D_
_x000D_
_x000D_
<div id = 'app' />

Yii::app()->clientScript->registerScriptFile(Yii::app()->baseUrl.'/path/to/your/script');

ALTER TABLE User 
    ADD CONSTRAINT userProperties
    FOREIGN KEY(properties)
    REFERENCES Properties(ID)

yum install tomcat-native

set global sql_mode="NO_ENGINE_SUBSTITUTION";

[mysqld]
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ALLOW_INVALID_DATES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

sudo service mysql restart

public void setTitle(final String title){
    ((TextView)findViewById(R.id.toolbar_title)).setText(title);
}

@Override
public void onNavigationDrawerItemSelected(int position) {
    // update the main content by replacing fragments
    fragment = null;
    String title = null;
    switch(position){

    case 0:
        fragment = new HomeFragment();
        title = "Home";
        break;
    case 1:
        fragment = new ProfileFragment();
        title = ("Find Work");
        break;
    ...
    }
    if (fragment != null){

        FragmentManager fragmentManager = getFragmentManager();
        fragmentManager
        .beginTransaction()
        .replace(R.id.container,
                fragment).commit();

        //The key is this line
        if (title != null && findViewById(R.id.toolbar_title)!= null ) setTitle(title);
    }
}

    long start = clock();
    int a = 0;
    //100000000
    std::string ret;
    for (int i = 0; i < 60000000; i++)
    {
        ret.append(1, ' ');
        //ret += ' ';
        //ret.push_back(' ');
        //ret.insert(ret.end(), 1, ' ');
        //ret.resize(ret.size() + 1, ' ');
    }
    long stop = clock();
    long test = stop - start;
    return 0;

     operation             time(ms)            note
------------------------------------------------------------------------
append                     66015
+=                         67328      1.02 time slower than 'append'
resize                     83867      1.27 time slower than 'append'
push_back & insert         90000      more than 1.36 time slower than 'append'

// Current timestamp is assumed, so these find first and last day of THIS month
$first_day_this_month = date('m-01-Y'); // hard-coded '01' for first day
$last_day_this_month  = date('m-t-Y');

// With timestamp, this gets last day of April 2010
$last_day_april_2010 = date('m-t-Y', strtotime('April 21, 2010'));

$timestamp    = strtotime('February 2012');
$first_second = date('m-01-Y 00:00:00', $timestamp);
$last_second  = date('m-t-Y 12:59:59', $timestamp); // A leap year!

return ByteBuffer.allocate(4).putInt(yourInt).array();

// example 1
platform.os; // 'Windows Server 2008 R2 / 7 x64'

// example 2 on an iPad
platform.os; // 'iOS 5.0'

// you can also access on the browser and some other properties
platform.name; // 'Safari'
platform.version; // '5.1'
platform.product; // 'iPad'
platform.manufacturer; // 'Apple'
platform.layout; // 'WebKit'

// or use the description to put all together
platform.description; // 'Safari 5.1 on Apple iPad (iOS 5.0)'

fun Fragment?.runOnUiThread(action: () -> Unit) {
    this ?: return
    if (!isAdded) return // Fragment not attached to an Activity
    activity?.runOnUiThread(action)
}

runOnUiThread {
    // Call your code here
}

object ThreadUtil {
    private val handler = Handler(Looper.getMainLooper())

    fun runOnUiThread(action: () -> Unit) {
        if (Looper.myLooper() != Looper.getMainLooper()) {
            handler.post(action)
        } else {
            action.invoke()
        }
    }
}

import 'jquery/jquery.js';

+function ($) { 
    // your code
}(window.jQuery);

var $ = window.$

git config --global mergetool.meld.path c:/Progra~2/meld/bin/meld

List<string> numbersStrLst = new List<string>
            { "One", "Two", "Three","Four","Five"};

Console.WriteLine(String.Join(", ", numbersStrLst));//Output:"One, Two, Three, Four, Five"

int[] numbersIntAry = new int[] {1, 2, 3, 4, 5};
Console.WriteLine(String.Join("; ", numbersIntAry));//Output:"1; 2; 3; 4; 5"

echo "   word1  word2 " | awk '{print $1;}' # Prints "word1"

echo "  word1  word2 " | cut -f 1 -d " " # Prints nothing/whitespace

ssh kev@server1 './test/foo.sh'

$( window ).bind("resize", function(){
    // Change the width of the div
    $("#yourdiv").width( 600 );
});

function sorttable(table) {
    var context = $('#' + table), tbody = $('#' + table + ' tbody'), sortfield = $(context).data('sort-attribute'), c, dir = $(context).data('sort-direction'), index = $(context).find('thead th[data-column="' + sortfield + '"]').index();
    if (!sortfield) {
        sortfield = $(context).data('id-attribute');
    };
    switch (dir) {
        case "asc":
            tbody.find('tr').sort(function (a, b) {
                var sortvala = parseFloat($(a).find('td:eq(' + index + ')').text());
                var sortvalb = parseFloat($(b).find('td:eq(' + index + ')').text());
                // if a < b return 1
                return sortvala < sortvalb ? 1
                       // else if a > b return -1
                       : sortvala > sortvalb ? -1
                       // else they are equal - return 0    
                       : 0;
            }).appendTo(tbody);
            break;
        case "desc":
        default:
            tbody.find('tr').sort(function (a, b) {
                var sortvala = parseFloat($(a).find('td:eq(' + index + ')').text());
                var sortvalb = parseFloat($(b).find('td:eq(' + index + ')').text());
                // if a < b return 1
                return sortvala > sortvalb ? 1
                       // else if a > b return -1
                       : sortvala < sortvalb ? -1
                       // else they are equal - return 0    
                       : 0;
            }).appendTo(tbody);
        break;
  }

NSMutableString *someName = [NSMutableString stringWithString:@"Chris"];

Person *p = [[[Person alloc] init] autorelease];
p.name = someName;

[someName setString:@"Debajit"];

"scripts": {
    "build": "tsc -p ./src",
}

typeof(SomeType).IsAssignableFrom(typeof(Derived))

typeof(Derived).IsSubclassOf(typeof(SomeType))

//not including SerializationFeatures for brevity
static final ObjectMapper mapper = new ObjectMapper();

//pass it your payload
public static ObjectNode convObjToONode(Object o) {
    StringWriter stringify = new StringWriter();
    ObjectNode objToONode = null;

    try {
        mapper.writeValue(stringify, o);
        objToONode = (ObjectNode) mapper.readTree(stringify.toString());
    } catch (IOException e) {
        e.printStackTrace();
    }

    System.out.println(objToONode);
    return objToONode;
}

<tr onclick="location.href='http://www.google.com'">
<td>blah</td>
<td>blah</td>
<td><strong>Text</strong></td>
</tr>

tr:hover {
cursor: pointer;
}

server {
    ...
    # Redirect www to non-www
    if ( $host ~ ^www\.(?<domain>.+) ) {
       rewrite ^/(.*)$ $scheme://$domain/$1;
    }
}

const [value1, value2] = PromiseAllCatch(promises);
if (!(value1 instanceof Error)) console.log(value1);

const [{v: value1, e: error1}, {v: value2, e: error2}] = Promise.all(reflect..
if (!error1) { console.log(value1); }

function PromiseAllCatch(promises) {_x000D_
  return Promise.all(promises.map(async m => {_x000D_
    try {_x000D_
      return await m;_x000D_
    } catch(e) {_x000D_
      if (e instanceof Error) return e;_x000D_
      return new Error(e);_x000D_
    }_x000D_
  }));_x000D_
}_x000D_
_x000D_
_x000D_
async function test() {_x000D_
  const ret = await PromiseAllCatch([_x000D_
    (async () => "this is fine")(),_x000D_
    (async () => {throw new Error("oops")})(),_x000D_
    (async () => "this is ok")(),_x000D_
    (async () => {throw "Still an error";})(),_x000D_
    (async () => new Error("resolved Error"))(),_x000D_
  ]);_x000D_
  console.log(ret);_x000D_
  console.log(ret.map(r =>_x000D_
    r instanceof Error ? "error" : "ok"_x000D_
    ).join(" : ")); _x000D_
}_x000D_
_x000D_
test();

stringstream ss("bla bla");
string s;

while (getline(ss, s, ' ')) {
 cout << s << endl;
}

function getRealIpAddr()
{
    if (!empty($_SERVER['HTTP_CLIENT_IP']))   //check ip from share internet
    {
      $ip=$_SERVER['HTTP_CLIENT_IP'];
    }
    elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR']))   //to check ip is pass from proxy
    {
      $ip=$_SERVER['HTTP_X_FORWARDED_FOR'];
    }
    else
    {
      $ip=$_SERVER['REMOTE_ADDR'];
    }
    return $ip;
}
$adresseip = getRealIpAddr();

// get the user name if it is logged, or the visitors IP (and add the identifier)

    $uvon = isset($_SESSION['nume']) ? $_SESSION['nume'] : $_SERVER['SERVER_ADDR']. $vst_id;

$uvon = isset($_SESSION['nume']) ? $_SESSION['nume'] : $adresseip. $vst_id;

<?php

function getRealIpAddr()
{
    if (!empty($_SERVER['HTTP_CLIENT_IP']))   //check ip from share internet
    {
      $ip=$_SERVER['HTTP_CLIENT_IP'];
    }
    elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR']))   //to check ip is pass from proxy
    {
      $ip=$_SERVER['HTTP_X_FORWARDED_FOR'];
    }
    else
    {
      $ip=$_SERVER['REMOTE_ADDR'];
    }
    return $ip;
}
$adresseip = getRealIpAddr();

// Script Online Users and Visitors - http://coursesweb.net/php-mysql/
if(!isset($_SESSION)) session_start();        // start Session, if not already started

$filetxt = 'userson.txt';  // the file in which the online users /visitors are stored
$timeon = 120;             // number of secconds to keep a user online
$sep = '^^';               // characters used to separate the user name and date-time
$vst_id = '-vst-';        // an identifier to know that it is a visitor, not logged user

/*
 If you have an user registration script,
 replace $_SESSION['nume'] with the variable in which the user name is stored.
 You can get a free registration script from:  http://coursesweb.net/php-mysql/register-login-script-users-online_s2
*/

// get the user name if it is logged, or the visitors IP (and add the identifier)

    $uvon = isset($_SESSION['nume']) ? $_SESSION['nume'] : $_SERVER['SERVER_ADDR']. $vst_id;

$rgxvst = '/^([0-9\.]*)'. $vst_id. '/i';         // regexp to recognize the line with visitors
$nrvst = 0;                                       // to store the number of visitors

// sets the row with the current user /visitor that must be added in $filetxt (and current timestamp)

    $addrow[] = $uvon. $sep. time();

// check if the file from $filetxt exists and is writable

    if(is_writable($filetxt)) {
      // get into an array the lines added in $filetxt
      $ar_rows = file($filetxt, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
      $nrrows = count($ar_rows);

            // number of rows

  // if there is at least one line, parse the $ar_rows array

      if($nrrows>0) {
        for($i=0; $i<$nrrows; $i++) {
          // get each line and separate the user /visitor and the timestamp
          $ar_line = explode($sep, $ar_rows[$i]);
      // add in $addrow array the records in last $timeon seconds
          if($ar_line[0]!=$uvon && (intval($ar_line[1])+$timeon)>=time()) {
            $addrow[] = $ar_rows[$i];
          }
        }
      }
    }

$nruvon = count($addrow);                   // total online
$usron = '';                                    // to store the name of logged users
// traverse $addrow to get the number of visitors and users
for($i=0; $i<$nruvon; $i++) {
 if(preg_match($rgxvst, $addrow[$i])) $nrvst++;       // increment the visitors
 else {
   // gets and stores the user's name
   $ar_usron = explode($sep, $addrow[$i]);
   $usron .= '<br/> - <i>'. $ar_usron[0]. '</i>';
 }
}
$nrusr = $nruvon - $nrvst;              // gets the users (total - visitors)

// the HTML code with data to be displayed
$reout = '<div id="uvon"><h4>Online: '. $nruvon. '</h4>Visitors: '. $nrvst. '<br/>Users: '. $nrusr. $usron. '</div>';

// write data in $filetxt
if(!file_put_contents($filetxt, implode("\n", $addrow))) $reout = 'Error: Recording file not exists, or is not writable';

// if access from <script>, with GET 'uvon=showon', adds the string to return into a JS statement
// in this way the script can also be included in .html files
if(isset($_GET['uvon']) && $_GET['uvon']=='showon') $reout = "document.write('$reout');";

echo $reout;             // output /display the result

//= require_self
//= require jquery
//= require jquery_ujs

=SUM(IF(ISERROR(DATEVALUE(TEXT(<<RANGE HERE>>, "MM/dd/yyyy"))), 0, 1))

public class Round {

        public static float round(float targetValue, int roundToDecimalPlaces ){

            int valueInTwoDecimalPlaces = (int) (targetValue * Math.pow(10, roundToDecimalPlaces));

            return (float) (valueInTwoDecimalPlaces / Math.pow(10, roundToDecimalPlaces));
        }

    }

TMPDIR=".${0##*/}-$$" && mkdir -v "$TMPDIR"

TMPFILE=".${0##*/}-$$" && touch "$TMPFILE"

<div id="one">
  <input data-bind="value: name" />
</div>

<div id="two">
  <input data-bind="value: name" />
</div>

<script type="text/javascript">
  var viewModelA = {
     name: ko.observable("Bob")
  };

  var viewModelB = {
     name: ko.observable("Ted")
  };

  ko.applyBindings(viewModelA, document.getElementById("one"));
  ko.applyBindings(viewModelB, document.getElementById("two"));
</script>

<div [style.background]="background"></div>

this.background= 
this.sanitization.bypassSecurityTrustStyle(`url(${this.section.backgroundSrc}) no-repeat`);

(?=) - positive lookahead
(?<=) - positive lookbehind

    A  B  C #in a line

var loginData = 'grant_type=password&[email protected]&password=test123';

var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function () {
    if (xmlhttp.readyState === 4 && xmlhttp.status === 200) {
        alert(xmlhttp.responseText);
    }
}
xmlhttp.open("POST", "/token", true);
xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xmlhttp.send(loginData);

<!DOCTYPE html>
<html>
<head>
    <title></title>
</head>
<body>
    <script type="text/javascript" src="index.js"></script>
</body>
</html>

using System;
using System.Security.Claims;
using Microsoft.Owin;
using Microsoft.Owin.Security.OAuth;
using OAuth20;
using Owin;

[assembly: OwinStartup(typeof(Startup))]

namespace OAuth20
{
    public class Startup
    {
        public static OAuthAuthorizationServerOptions OAuthOptions { get; private set; }

        public void Configuration(IAppBuilder app)
        {
            OAuthOptions = new OAuthAuthorizationServerOptions()
            {
                TokenEndpointPath = new PathString("/token"),
                Provider = new OAuthAuthorizationServerProvider()
                {
                    OnValidateClientAuthentication = async (context) =>
                    {
                        context.Validated();
                    },
                    OnGrantResourceOwnerCredentials = async (context) =>
                    {
                        if (context.UserName == "[email protected]" && context.Password == "test123")
                        {
                            ClaimsIdentity oAuthIdentity = new ClaimsIdentity(context.Options.AuthenticationType);
                            context.Validated(oAuthIdentity);
                        }
                    }
                },
                AllowInsecureHttp = true,
                AccessTokenExpireTimeSpan = TimeSpan.FromDays(1)
            };

            app.UseOAuthBearerTokens(OAuthOptions);
        }
    }
}

var array1=[1,2,3,4]
var array2=[1,4,3,2]
var is_equal = array1.length==array2.length && array1.every(function(v,i) { return ($.inArray(v,array2) != -1)})
console.log(is_equal)

var date = new Date(0);_x000D_
date.setSeconds(45); // specify value for SECONDS here_x000D_
var timeString = date.toISOString().substr(11, 8);_x000D_
console.log(timeString)

 function createDateObj(date) {
            var day = date.getDate();           // yields 
            var month = date.getMonth();    // yields month
            var year = date.getFullYear();      // yields year
            var hour = date.getHours();         // yields hours 
            var minute = date.getMinutes();     // yields minutes
            var second = date.getSeconds();     // yields seconds
            var millisec = date.getMilliseconds();
            var jsDate = Date.UTC(year, month, day, hour, minute, second, millisec);
            return jsDate;
        }

var oRequirementEval = new Object();
var date = new Date($("#dueDate").val());

requirementEvaluations.DeadLine = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)
    .AddMilliseconds(Convert.ToDouble( arrayUpdateRequirementEvaluationData["DeadLine"]))
    .ToLocalTime();

secureTextEntry={true}

secureTextEntry 

<TextInput style={styles.input}
           placeholder="Password"
           placeholderTextColor="#9a73ef"
           returnKeyType='go'
           secureTextEntry
           autoCorrect={false}
/>

CREATE OR REPLACE FUNCTION "reset_sequence" (tablename text, columnname text)
RETURNS "pg_catalog"."void" AS
$body$
DECLARE
BEGIN
EXECUTE format('SELECT setval(pg_get_serial_sequence(''%1$I'', %2$L),
        (SELECT COALESCE(MAX(%2$I)+1,1) FROM %1$I), false)',tablename,columnname);
END;
$body$  LANGUAGE 'plpgsql';

SELECT format('%s_%s_seq',table_name,column_name), reset_sequence(table_name,column_name) 
FROM information_schema.columns WHERE column_default like 'nextval%';

"TableName" --it thinks it's a table or column
'TableName' --it thinks it's a string, but makes it lower case
'"TableName"' --it works!

    package test;

    public class Test {
       public static void main(String[] args)
       {
          //there is no instance available for class Test, so use Test.class
          System.out.println("Test.class.getName() ::: " + Test.class.getName());

          // Now create an instance of class Test use getClass()
          Test testObj = new Test();
          System.out.println("testObj.getClass().getName() ::: " + testObj.getClass().getName());

          //For primitive type
          System.out.println("boolean.class.getName() ::: " + boolean.class.getName());
          System.out.println("int.class.getName() ::: " + int.class.getName());
          System.out.println("char.class.getName() ::: " + char.class.getName());
          System.out.println("long.class.getName() ::: " + long.class.getName());
       }
    }

[mysqld]
#add the following file to your MySQLd file
    default_authentication_plugin=mysql_native_password

class Person
{
    public string FirstName { get; set; }
    public string LastName { get; set; }
}

class Child
{
    public string Name { get; set; }
    public Person Owner { get; set; }
}
public class JoinTest
{
    public static void LeftOuterJoinExample()
    {
        Person magnus = new Person { FirstName = "Magnus", LastName = "Hedlund" };
        Person terry = new Person { FirstName = "Terry", LastName = "Adams" };
        Person charlotte = new Person { FirstName = "Charlotte", LastName = "Weiss" };
        Person arlene = new Person { FirstName = "Arlene", LastName = "Huff" };

        Child barley = new Child { Name = "Barley", Owner = terry };
        Child boots = new Child { Name = "Boots", Owner = terry };
        Child whiskers = new Child { Name = "Whiskers", Owner = charlotte };
        Child bluemoon = new Child { Name = "Blue Moon", Owner = terry };
        Child daisy = new Child { Name = "Daisy", Owner = magnus };

        // Create two lists.
        List<Person> people = new List<Person> { magnus, terry, charlotte, arlene };
        List<Child> childs = new List<Child> { barley, boots, whiskers, bluemoon, daisy };

        var query = from person in people
                    join child in childs
                    on person equals child.Owner into gj
                    from subpet in gj.DefaultIfEmpty()
                    select new
                    {
                        person.FirstName,
                        ChildName = subpet!=null? subpet.Name:"No Child"
                    };
                       // PetName = subpet?.Name ?? String.Empty };

        foreach (var v in query)
        {
            Console.WriteLine($"{v.FirstName + ":",-25}{v.ChildName}");
        }
    }

    // This code produces the following output:
    //
    // Magnus:        Daisy
    // Terry:         Barley
    // Terry:         Boots
    // Terry:         Blue Moon
    // Charlotte:     Whiskers
    // Arlene:        No Child

ddl.SetSelectedValue("2");

public static class WebExtensions
{

    /// <summary>
    /// Selects the item in the list control that contains the specified value, if it exists.
    /// </summary>
    /// <param name="dropDownList"></param>
    /// <param name="selectedValue">The value of the item in the list control to select</param>
    /// <returns>Returns true if the value exists in the list control, false otherwise</returns>
    public static Boolean SetSelectedValue(this DropDownList dropDownList, String selectedValue)
    {
        ListItem selectedListItem = dropDownList.Items.FindByValue(selectedValue);

        if (selectedListItem != null)
        {
            selectedListItem.Selected = true;
            return true;
        }
        else
            return false;
    }
}

@GetMapping("/users")
public String getUsers(HttpServletRequest request) {
    if (request.isUserInRole("ROLE_NAME")) {
      
    }

foreach(var newAnimal in NewAnimals)
    Animals.Add(newAnimal.Key,newAnimal.Value)

public static void AddRange<T>(this ICollection<T> target, IEnumerable<T> source)
{
    if(target==null)
      throw new ArgumentNullException(nameof(target));
    if(source==null)
      throw new ArgumentNullException(nameof(source));
    foreach(var element in source)
        target.Add(element);
}

class static_test_class {
    public static function test() {
        echo "Original class\n";
    }

    public static function run($use_self) {
        if($use_self) {
            self::test();
        } else {
            $class = get_called_class();
            $class::test(); 
        }
    }
}

class extended_static_test_class extends static_test_class {
    public static function test() {
        echo "Extended class\n";
    }
}

extended_static_test_class::run(true);
extended_static_test_class::run(false);

$class = get_called_class();
$class::function_name(); 

[X,Y] = meshgrid(-8:.5:8);
R = sqrt(X.^2 + Y.^2) + eps;
Z = sin(R)./R;
figure;
subplot(1,3,1);
pcolor(X,Y,Z); 
subplot(1,3,2);
pcolor(X,Y,Z); shading flat;
subplot(1,3,3);
pcolor(X,Y,Z); shading interp;

function curPageURL() {
    $pageURL = 'http';
    if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
    $pageURL .= "://";
    if ($_SERVER["SERVER_PORT"] != "80") {
        $pageURL .= $_SERVER["SERVER_NAME"] . ":" . $_SERVER["SERVER_PORT"] . $_SERVER["REQUEST_URI"];
    } else {
        $pageURL .= $_SERVER["SERVER_NAME"] . $_SERVER["REQUEST_URI"];
    }
    return $pageURL;
}
$redirect = str_replace("www.", "", curPageURL());
$remove_http_root    = str_replace('http://', '', $redirect);
$split_url_array     = explode('/', $remove_http_root );


if($split_url_array[0] == "olddomain.com"){
    header("Location: http://www.newdomain.com/$split_url_array[1]");
    die();
}

/// <summary>
/// Dictionary which supports duplicates and null entries
/// </summary>
/// <typeparam name="TKey">Type of key</typeparam>
/// <typeparam name="TValue">Type of items</typeparam>
public class OpenDictionary<TKey, TValue>
{
    private readonly Lazy<List<TValue>> _nullStorage = new Lazy<List<TValue>>(
        () => new List<TValue>());

    private readonly Dictionary<TKey, List<TValue>> _innerDictionary =
        new Dictionary<TKey, List<TValue>>();

    /// <summary>
    /// Get all entries
    /// </summary>
    public IEnumerable<TValue> Values =>
        _innerDictionary.Values
            .SelectMany(x => x)
            .Concat(_nullStorage.Value);

    /// <summary>
    /// Add an item
    /// </summary>
    public OpenDictionary<TKey, TValue> Add(TKey key, TValue item)
    {
        if (ReferenceEquals(key, null))
            _nullStorage.Value.Add(item);
        else
        {
            if (!_innerDictionary.ContainsKey(key))
                _innerDictionary.Add(key, new List<TValue>());

            _innerDictionary[key].Add(item);
        }

        return this;
    }

    /// <summary>
    /// Remove an entry by key
    /// </summary>
    public OpenDictionary<TKey, TValue> RemoveEntryByKey(TKey key, TValue entry)
    {
        if (ReferenceEquals(key, null))
        {
            int targetIdx = _nullStorage.Value.FindIndex(x => x.Equals(entry));
            if (targetIdx < 0)
                return this;

            _nullStorage.Value.RemoveAt(targetIdx);
        }
        else
        {
            if (!_innerDictionary.ContainsKey(key))
                return this;

            List<TValue> targetChain = _innerDictionary[key];
            if (targetChain.Count == 0)
                return this;

            int targetIdx = targetChain.FindIndex(x => x.Equals(entry));
            if (targetIdx < 0)
                return this;

            targetChain.RemoveAt(targetIdx);
        }

        return this;
    }

    /// <summary>
    /// Remove all entries by key
    /// </summary>
    public OpenDictionary<TKey, TValue> RemoveAllEntriesByKey(TKey key)
    {
        if (ReferenceEquals(key, null))
        {
            if (_nullStorage.IsValueCreated)
                _nullStorage.Value.Clear();
        }       
        else
        {
            if (_innerDictionary.ContainsKey(key))
                _innerDictionary[key].Clear();
        }

        return this;
    }

    /// <summary>
    /// Try get entries by key
    /// </summary>
    public bool TryGetEntries(TKey key, out IReadOnlyList<TValue> entries)
    {
        entries = null;

        if (ReferenceEquals(key, null))
        {
            if (_nullStorage.IsValueCreated)
            {
                entries = _nullStorage.Value;
                return true;
            }
            else return false;
        }
        else
        {
            if (_innerDictionary.ContainsKey(key))
            {
                entries = _innerDictionary[key];
                return true;
            }
            else return false;
        }
    }
}

var dictionary = new OpenDictionary<string, int>();
dictionary.Add("1", 1); 
// The next line won't throw an exception; 
dictionary.Add("1", 2);

dictionary.TryGetEntries("1", out List<int> result); 
// result is { 1, 2 }

dictionary.Add(null, 42);
dictionary.Add(null, 24);
dictionary.TryGetEntries(null, out List<int> result); 
// result is { 42, 24 }

alert($('.checkbox_class_here:checked').size());

alert($('input[name=checkbox_name]').attr('checked'));

alert($(":checkbox:checked").length);

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <LinearLayout
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <LinearLayout
            android:orientation="vertical"
            android:layout_weight="1"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            tools:context=".MainActivity">
            <TextView
                android:layout_marginTop="16dp"
                android:textSize="18sp"
                android:textStyle="bold"
                android:padding="4dp"
                android:textColor="#EA80FC"
                android:fontFamily="sans-serif-medium"
                android:text="@string/team_a"
                android:gravity="center_horizontal"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
            <TextView
                android:id="@+id/team_a_score"
                android:text="@string/_0"
                android:textSize="56sp"
                android:padding="4dp"
                android:gravity="center_horizontal"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
            <TextView
                android:id="@+id/team_a_fouls"
                android:text="@string/fouls"
                android:padding="4dp"
                android:textSize="26sp"
                android:gravity="center_horizontal"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
            <Button
                android:text="@string/_1_points"
                android:layout_width="match_parent"
                android:onClick="addOnePointTeamA"
                android:textColor="#fff"
                android:layout_margin="6dp"
                android:layout_height="wrap_content" />
            <Button
                android:text="@string/_2_points"
                android:textColor="#fff"
                android:onClick="addTwoPointTeamA"
                android:layout_width="match_parent"
                android:layout_margin="6dp"
                android:layout_height="wrap_content" />
            <Button
                android:text="@string/_3_points"
                android:textColor="#fff"
                android:onClick="addThreePointTeamA"
                android:layout_margin="6dp"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
            <Button
                android:text="@string/_1_point_foul"
                android:textColor="#fff"
                android:layout_width="match_parent"
                android:onClick="addOnePointFoulTeamA"
                android:layout_margin="6dp"
                android:layout_height="wrap_content" />
        </LinearLayout>
        <LinearLayout
            android:orientation="vertical"
            android:layout_weight="1"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            tools:context=".MainActivity">
            <TextView
                android:text="@string/team_b"
                android:textColor="#EA80FC"
                android:textStyle="bold"
                android:padding="4dp"
                android:layout_marginTop="16dp"
                android:fontFamily="sans-serif-medium"
                android:textSize="18sp"
                android:gravity="center_horizontal"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
            <TextView
                android:id="@+id/team_b_score"
                android:text="0"
                android:padding="4dp"
                android:textSize="56sp"
                android:gravity="center_horizontal"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
            <TextView
                android:id="@+id/team_b_fouls"
                android:text="Fouls"
                android:padding="4dp"
                android:textSize="26sp"
                android:gravity="center_horizontal"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
            <Button
                android:text="@string/_1_points"
                android:textColor="#fff"
                android:fontFamily="sans-serif-medium"
                android:layout_width="match_parent"
                android:onClick="addOnePointTeamB"
                android:layout_margin="6dp"
                android:layout_height="wrap_content" />
            <Button
                android:text="@string/_2_points"
                android:layout_margin="6dp"
                android:fontFamily="sans-serif-medium"
                android:textColor="#fff"
                android:onClick="addTwoPointTeamB"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
            <Button
                android:text="@string/_3_points"
                android:fontFamily="sans-serif-medium"
                android:textColor="#fff"
                android:onClick="addThreePointTeamB"
                android:layout_margin="6dp"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
            <Button
                android:text="@string/_1_point_foul"
                android:textColor="#fff"
                android:onClick="addOnePointFoulTeamB"
                android:layout_width="match_parent"
                android:layout_margin="6dp"
                android:layout_height="wrap_content" />


        </LinearLayout>
    </LinearLayout>
    <Button
        android:text="@string/reset"
        android:layout_marginBottom="25dp"
        android:onClick="resetScore"
        android:textColor="#fff"
        android:fontFamily="sans-serif-medium"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</RelativeLayout>

@PropertySource("classpath:application-test.properties ")

src/test/resources/application.properties

src/main/resources/application.properties

@PropertySource("classpath:application.properties")

[btnCheckButton setTitle:@"Normal" forState:UIControlStateNormal];
[btnCheckButton setTitle:@"Selected" forState:UIControlStateSelected];

[btnCheckButton setSelected:YES];

[btnCheckButton setSelected:NO];

head -1 FileName.csv

echo -e "YOURPASSWORD\n" | sudo -S yourcommand

echo $row['option_value'];

<xsl:value-of select="'&amp;nbsp'"/>

import calendar
import datetime

def to_local_datetime(utc_dt):
    """
    convert from utc datetime to a locally aware datetime according to the host timezone

    :param utc_dt: utc datetime
    :return: local timezone datetime
    """
    return datetime.datetime.fromtimestamp(calendar.timegm(utc_dt.timetuple()))

UIImage *rainyImage = [UIImage imageNamed:@"rainy.jpg"];

imagedisplay.image = rainyImage;

NSData *imgData = UIImageJPEGRepresentation(rainyImage, 0.9);

var text = `Lorem ipsum dolor 
sit amet, consectetur 
adipisicing 
elit.  `;

console.log(text);

<Button 
    android:id="@+id/buttonok" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content"
    android:drawableLeft="@drawable/buttonok"
    android:text="OK"/>

<Button
    android:id="@+id/fragment_left_menu_login"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:background="@drawable/button_bg"
    android:text="@string/login_string" />

#
# Copying columns in pandas without slice warning
#
import numpy as np
df = pd.DataFrame(np.random.randn(10, 3), columns=list('ABC'))

#
# copies column B into new column D
df.loc[:,'D'] = df['B']
print df

#
# creates new column 'E' with values -99
# 
# But copy command replaces those where 'B'>0 while others become NaN (not copied)
df['E'] = -99
print df
df['E'] = df[df['B']>0]['B'].copy()
print df

#
# creates new column 'F' with values -99
# 
# Copy command only overwrites values which meet criteria 'B'>0
df['F']=-99
df.loc[df['B']>0,'F'] = df[df['B']>0]['B'].copy()
print df

git checkout --theirs _widget.html.erb

char a = 0;
a--;
if (0 < a)
    printf("unsigned");
else
    printf("signed");

sudo apt install putty-tools
puttygen -t rsa -b 2048 -C "user@host" -o keyfile.ppk