For Spring Boot 2.+, make sure you are using spring.servlet
instead of spring.http
.
---
spring:
servlet:
multipart:
max-file-size: 10MB
max-request-size: 10MB
If you have to use tomcat, you might end up creating EmbeddedServletContainerCustomizer, which is not really nice thing to do.
If you can live without tomat, you could replace tomcat with e.g. undertow and avoid this issue at all.
Just Delete the migration History in _MigrationHistory in your DataBase. It worked for me
I accidentally set the wrong file permissions. After chmod 644 phpinfo.php
the info indeed showed up as expected.
You're initialising your SSLContext
with a null
KeyManager
array.
The key manager is what handles the server certificate (on the server side), and this is what you're probably aiming to set when using javax.net.ssl.keyStore
.
However, as described in the JSSE Reference Guide, using null
for the first parameter doesn't do what you seem to think it does:
If the KeyManager[] parameter is null, then an empty KeyManager will be defined for this context. If the TrustManager[] parameter is null, the installed security providers will be searched for the highest-priority implementation of the TrustManagerFactory, from which an appropriate TrustManager will be obtained. Likewise, the SecureRandom parameter may be null, in which case a default implementation will be used.
An empty KeyManager
doesn't contain any RSA or DSA certificates. Therefore, all the default cipher suites that would rely on such a certificate are disabled. This is why you get all these "Ignoring unavailable cipher suite" messages, which ultimately result in a "no cipher suites in common" message.
If you want your keystore to be used as a keystore, you'll need to load it and initialise a KeyManagerFactory with it:
KeyStore ks = KeyStore.getInstance("JKS");
InputStream ksIs = new FileInputStream("...");
try {
ks.load(ksIs, "password".toCharArray());
} finally {
if (ksIs != null) {
ksIs.close();
}
}
KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory
.getDefaultAlgorithm());
kmf.init(ks, "keypassword".toCharArray());
The use kmf.getKeyManagers()
as the first parameter to SSLContext.init()
.
For the other two parameters, since you're visibly not requesting client-certificate authentication, you should leave the trust manager to its default value (null
) instead of copying/pasting a trust manager that's a potential cause of vulnerability, and you can also use the default null
SecureRandom
.
Im my case, I changed the default browser to internet explorer from google chrome and the issue was resolved.
Nuget will configure your EF6 project to reference EntityFramework.SqlServer.dll. This deploys to the output folder for your EF6 project during build, but it will not deploy to the output folder for projects referencing your EF6 project. I believe this is because Visual Studio is "smart" enough to detect that nothing in your assembly is actually using the dll directly and so does not include it. You can force EntityFramework.SqlServer.dll to be deployed to the output folder of projects referencing your EF6 project (unit tests, UI's etc.) by adding code to your EF6 project that uses EntityFramework.SqlServer.dll. Be careful not to put the code in a generated class as you risk losing it on next regen. I chose to add the following class to the assembly, which fixed the problem.
using System.Data.Entity.SqlServer;
internal static class MissingDllHack
{
// Must reference a type in EntityFramework.SqlServer.dll so that this dll will be
// included in the output folder of referencing projects without requiring a direct
// dependency on Entity Framework. See http://stackoverflow.com/a/22315164/1141360.
private static SqlProviderServices instance = SqlProviderServices.Instance;
}
<Grid >
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Button Command="{Binding ClickCommand}" Width="100" Height="100" Content="wefwfwef"/>
</Grid>
the code behind for the window:
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
DataContext = new ViewModelBase();
}
}
The ViewModel:
public class ViewModelBase
{
private ICommand _clickCommand;
public ICommand ClickCommand
{
get
{
return _clickCommand ?? (_clickCommand = new CommandHandler(() => MyAction(), ()=> CanExecute));
}
}
public bool CanExecute
{
get
{
// check if executing is allowed, i.e., validate, check if a process is running, etc.
return true/false;
}
}
public void MyAction()
{
}
}
Command Handler:
public class CommandHandler : ICommand
{
private Action _action;
private Func<bool> _canExecute;
/// <summary>
/// Creates instance of the command handler
/// </summary>
/// <param name="action">Action to be executed by the command</param>
/// <param name="canExecute">A bolean property to containing current permissions to execute the command</param>
public CommandHandler(Action action, Func<bool> canExecute)
{
_action = action;
_canExecute = canExecute;
}
/// <summary>
/// Wires CanExecuteChanged event
/// </summary>
public event EventHandler CanExecuteChanged
{
add { CommandManager.RequerySuggested += value; }
remove { CommandManager.RequerySuggested -= value; }
}
/// <summary>
/// Forcess checking if execute is allowed
/// </summary>
/// <param name="parameter"></param>
/// <returns></returns>
public bool CanExecute(object parameter)
{
return _canExecute.Invoke();
}
public void Execute(object parameter)
{
_action();
}
}
I hope this will give you the idea.
If your software uses a ProxySelector
(for example for using a PAC-script instead of a static host/port) and your HTTPComponents is version 4.3 or above then you can use your ProxySelector
for your HttpClient
like this:
ProxySelector myProxySelector = ...;
HttpClient myHttpClient = HttpClientBuilder.create().setRoutePlanner(new SystemDefaultRoutePlanner(myProxySelector))).build();
And then do your requests as usual:
HttpGet myRequest = new HttpGet("/");
myHttpClient.execute(myRequest);
This happened to me because I created a new project which was trying to use System.Web.Providers
DefaultMembershipProvider
for membership. My DB and application was set up to use System.Web.Security.SqlMembershipProvider
instead. I had to update the provider and connection string (since this provider seems to have some weird connection string requirements) to get it working.
FYI, another way this exception can occur is if:
READ_COMMITTED
Then this can happen: TX #1 successfully commits before TX #2, then when TX #2 tries to delete the entity (again) it's not there any more - even though it was found by a query earlier in that same transaction. Note this anomaly is allowed with READ_COMMITTED
isolation.
In my case the resulting exception looked like this:
HHH000315: Exception executing batch [org.hibernate.StaleStateException:
Batch update returned unexpected row count from update [0]; actual row
count: 0; expected: 1; statement executed: delete from Foobar where id=?],
SQL: delete from Foobar where id=?
find this line in php.ini :
;extension=soap
then remove the semicolon ;
and restart Apache server
I noticed I was using the incorrect HTTP request url while making it, later which i changed that it resolved my problem. my upload url was : http://192.168.0.31:5000/uploader while i was using http://192.168.0.31:5000. that was a get call. and got a java.net.SocketException: Broken pipe? exception.
That was my reason. might lead you to check one more point when this issue
public void postRequest() {
Security.insertProviderAt(Conscrypt.newProvider(), 1);
System.out.println("mediafilename-->>" + mediaFileName);
String[] dirarray = mediaFileName.split("/");
String file_name = dirarray[6];
//Thread.sleep(10000);
RequestBody requestBody = new MultipartBody.Builder()
.setType(MultipartBody.FORM)
.addFormDataPart("file",file_name, RequestBody.create(MediaType.parse("video/mp4"), new File(mediaFileName))).build();
OkHttpClient okHttpClient = new OkHttpClient();
// ExecutorService executor = newFixedThreadPool(20);
// Request request = new Request.Builder().post(requestBody).url("https://192.168.0.31:5000/uploader").build();
Request request = new Request.Builder().url("http://192.168.0.31:5000/uploader").post(requestBody).build();
// Request request = new Request.Builder().url("http://192.168.0.31:5000").build();
okHttpClient.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(@NotNull Call call, @NotNull IOException e) {
//
call.cancel();
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(getApplicationContext(),"Something went wrong:" + " ", Toast.LENGTH_SHORT).show();
}
});
e.printStackTrace();
}
@Override
public void onResponse(@NotNull Call call, @NotNull Response response) throws IOException {
runOnUiThread(new Runnable() {
@Override
public void run() {
try {
System.out.println(response.body().string());
} catch (IOException e) {
e.printStackTrace();
}
}
});
System.out.println("Response ; " + response.body().toString());
// Toast.makeText(getApplicationContext(), response.body().toString(),Toast.LENGTH_LONG).show();
System.out.println(response);
}
});
The Apache HttpClient 4.5 way:
org.apache.http.ssl.SSLContextBuilder sslContextBuilder = SSLContextBuilder.create();
sslContextBuilder.loadTrustMaterial(new org.apache.http.conn.ssl.TrustSelfSignedStrategy());
SSLContext sslContext = sslContextBuilder.build();
org.apache.http.conn.ssl.SSLConnectionSocketFactory sslSocketFactory =
new SSLConnectionSocketFactory(sslContext, new org.apache.http.conn.ssl.DefaultHostnameVerifier());
HttpClientBuilder httpClientBuilder = HttpClients.custom().setSSLSocketFactory(sslSocketFactory);
httpClient = httpClientBuilder.build();
NOTE: org.apache.http.conn.ssl.SSLContextBuilder
is deprecated and org.apache.http.ssl.SSLContextBuilder
is the new one (notice conn
missing from the latter's package name).
Slightly more condensed than gbn's:
Assuming CourseId
is non-zero
CAST (COALESCE(FC.CourseId, 0) AS Bit)
COALESCE
is like an ISNULL()
, but returns the first non-Null.
A Non-Zero CourseId
will get type-cast to a 1, while a null CourseId
will cause COALESCE to return the next value, 0
I once was running a invoicing system for a telecom company. This meant manually running a bunch of commands that would each in order collect, prepare, calculate, format and finally print the invoice. This would typically be done in batch form, so that I was told which customer numbers to make invoices for and I'd do them all in batch.
This was boring. So I started automating it. Unfortunately, the only language allowed on the servers was.... well none. At all. So I had to write everything in shell scripts. And that is a truly absurd and bizarre language. Nothing really much makes sense. It's inconsistent and overly sparse, so two similar things may do completely different things because a ? comes in a slightly different place. And using backquotes as a part of a language is just pure evil. They don't even look different from single quotes in some fonts!
I've had way worse programming experiences. WAY worse. But those has always involved maintaining other peoples bizarre code. But this has to be the worst language I've ever used. Worse than DOS Batch files? Oh yes. DOS Batch files main problem is that they are primitive. You have to find clever ways to make it actually do something useful. But the syntax itself isn't that bad. It just doesn't have enough built in functionality. Worse than Visual Basic? Oh yeah, without a doubt, although admittedly I wrote a UI to this Bourne Shell system in MS Access and that was almost as horrible, but just almost. And they communicated via Sybase, so I needed to learn Sybase SQL, which also is quite horrid. But still not nearly as horrid as sh-scripting.
So Bourne Shell wins the jumbo price for me. Only just, with VB close on it heels, but it still wins.
If you experience this trying to access Web services deployed on a Glassfish3 server, you might want to tune your http-thread-pool settings. That fixed SocketExceptions we had when many concurrent threads was calling the web service.
private static MethodBase GetCallingMethod()
{
return new StackFrame(2, false).GetMethod();
}
private static Type GetCallingType()
{
return new StackFrame(2, false).GetMethod().DeclaringType;
}
A fantastic class is here: http://www.csharp411.com/c-get-calling-method/
The alert() wants to display a string, so it will interpret "2">"10" as a string.
Use the following:
var greater = parseInt("2") > parseInt("10");
alert("Is greater than? " + greater);
var less = parseInt("2") < parseInt("10");
alert("Is less than? " + less);
Here's mine - works for really big files too -_-
function formatFileSize(size)
{
var sizes = [' Bytes', ' KB', ' MB', ' GB', ' TB', ' PB', ' EB', ' ZB', ' YB'];
for (var i = 1; i < sizes.length; i++)
{
if (size < Math.pow(1024, i)) return (Math.round((size/Math.pow(1024, i-1))*100)/100) + sizes[i-1];
}
return size;
}
It's the conditional operator, and it's more than just a concise way of writing if statements.
Since it is an expression that returns a value it can be used as part of other expressions.
React Router v4
There's a couple of things that I needed to get this working smoothly.
The doc page on auth workflow has quite a lot of what is required.
However I had three issues
props.history
come from?Route
componentprops
?I ended up using:
<Route render>
which gets you props.history
which can then be passed down to the children.render={routeProps => <MyComponent {...props} {routeProps} />}
to combine other props
from this answer on 'react-router - pass props to handler component'N.B. With the render
method you have to pass through the props from the Route
component explicitly. You also want to use render
and not component
for performance reasons (component
forces a reload every time).
const App = (props) => (
<Route
path="/home"
render={routeProps => <MyComponent {...props} {...routeProps}>}
/>
)
const MyComponent = (props) => (
/**
* @link https://reacttraining.com/react-router/web/example/auth-workflow
* N.B. I use `props.history` instead of `history`
*/
<button onClick={() => {
fakeAuth.signout(() => props.history.push('/foo'))
}}>Sign out</button>
)
One of the confusing things I found is that in quite a few of the React Router v4 docs they use MyComponent = ({ match })
i.e. Object destructuring, which meant initially I didn't realise that Route
passes down three props, match
, location
and history
I think some of the other answers here are assuming that everything is done via JavaScript classes.
Here's an example, plus if you don't need to pass any props
through you can just use component
class App extends React.Component {
render () {
<Route
path="/home"
component={MyComponent}
/>
}
}
class MyComponent extends React.Component {
render () {
/**
* @link https://reacttraining.com/react-router/web/example/auth-workflow
* N.B. I use `props.history` instead of `history`
*/
<button onClick={() => {
this.fakeAuth.signout(() => this.props.history.push('/foo'))
}}>Sign out</button>
}
}
Add multiple classes:
$("p").addClass("class1 class2 class3");
or in cascade:
$("p").addClass("class1").addClass("class2").addClass("class3");
Very similar also to remove more classes:
$("p").removeClass("class1 class2 class3");
or in cascade:
$("p").removeClass("class1").removeClass("class2").removeClass("class3");
Float them both the same way and add the margin of 40px. If you have 2 elements floating opposite ways you will have much less control and the containing element will determine how far apart they are.
#left{
float: left;
margin-right: 40px;
}
#right{
float: left;
}
SELECT
COALESCE(listing.OfferText, 'company.OfferText') AS Offer_Text,
FROM
tbl_directorylisting listing
INNER JOIN tbl_companymaster company ON listing.company_id= company.company_id
You just need to return
from the main function at some point. The error message says that the function is defined to return a value but you are not returning anything.
/* .... */
if (Date1 == Date2)
fprintf (stderr , "Indicating that the first date is equal to second date.\n");
return 0;
}
Check this has everything you need
http://www.html5rocks.com/en/mobile/fullscreen/
The Chrome team has recently implemented a feature that tells the browser to launch the page fullscreen when the user has added it to the home screen. It is similar to the iOS Safari model.
<meta name="mobile-web-app-capable" content="yes">
First off, I know the addEventListener
method has been mentioned in the comments above, but I didn't see any code. Since it's the preferred approach, here it is:
window.addEventListener('resize', function(event){
// do stuff here
});
Direct Javascript calls between frames and/or windows are only allowed if they conform to the same-origin policy. If your window and iframe share a common parent domain you can set document.domain
to "domain lower") one or both such that they can communicate. Otherwise you'll need to look into something like the postMessage() API.
You can implement search filter in listview by two ways. 1. using searchview 2. using edittext.
If yo want to use searchview then read here : searchview filter.
If you want to use edittext, read below.
I have taken reference from : listview search filter android
Code snippets to make filter with edittext.
First create model class MovieNames.java:
public class MovieNames {
private String movieName;
public MovieNames(String movieName) {
this.movieName = movieName;
}
public String getMovieName() {
return this.movieName;
}
}
Create listview_item.xml file :
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:padding="10dp">
<TextView
android:id="@+id/name"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</RelativeLayout>
Make ListViewAdapter.java class :
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.Locale;
public class ListViewAdapter extends BaseAdapter {
// Declare Variables
Context mContext;
LayoutInflater inflater;
private ArrayList<MovieNames> arraylist;
public ListViewAdapter(Context context, ArrayList<MovieNames> arraylist) {
mContext = context;
inflater = LayoutInflater.from(mContext);
this.arraylist = arraylist;
}
public class ViewHolder {
TextView name;
}
@Override
public int getCount() {
return arraylist.size();
}
@Override
public MovieNames getItem(int position) {
return arraylist.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
public View getView(final int position, View view, ViewGroup parent) {
final ViewHolder holder;
if (view == null) {
holder = new ViewHolder();
view = inflater.inflate(R.layout.listview_item, null);
// Locate the TextViews in listview_item.xml
holder.name = (TextView) view.findViewById(R.id.name);
view.setTag(holder);
} else {
holder = (ViewHolder) view.getTag();
}
// Set the results into TextViews
holder.name.setText(arraylist.get(position).getMovieName());
return view;
}
}
Prepare activity_main.xml file :
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.parsaniahardik.searchedit.MainActivity"
android:orientation="vertical">
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/editText"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:hint="enter query"
android:singleLine="true">
<requestFocus/>
</EditText>
<ListView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/listView"
android:divider="#694fea"
android:dividerHeight="1dp" />
</LinearLayout>
Finally make MainActivity.java class :
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.SearchView;
import android.widget.Toast;
import java.util.ArrayList;
public class MainActivity extends AppCompatActivity {
private EditText etsearch;
private ListView list;
private ListViewAdapter adapter;
private String[] moviewList;
public static ArrayList<MovieNames> movieNamesArrayList;
public static ArrayList<MovieNames> array_sort;
int textlength = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Generate sample data
moviewList = new String[]{"Xmen", "Titanic", "Captain America",
"Iron man", "Rocky", "Transporter", "Lord of the rings", "The jungle book",
"Tarzan","Cars","Shreck"};
list = (ListView) findViewById(R.id.listView);
movieNamesArrayList = new ArrayList<>();
array_sort = new ArrayList<>();
for (int i = 0; i < moviewList.length; i++) {
MovieNames movieNames = new MovieNames(moviewList[i]);
// Binds all strings into an array
movieNamesArrayList.add(movieNames);
array_sort.add(movieNames);
}
adapter = new ListViewAdapter(this,movieNamesArrayList);
list.setAdapter(adapter);
etsearch = (EditText) findViewById(R.id.editText);
list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Toast.makeText(MainActivity.this, array_sort.get(position).getMovieName(), Toast.LENGTH_SHORT).show();
}
});
etsearch.addTextChangedListener(new TextWatcher() {
public void afterTextChanged(Editable s) {
}
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
public void onTextChanged(CharSequence s, int start, int before, int count) {
textlength = etsearch.getText().length();
array_sort.clear();
for (int i = 0; i < movieNamesArrayList.size(); i++) {
if (textlength <= movieNamesArrayList.get(i).getMovieName().length()) {
Log.d("ertyyy",movieNamesArrayList.get(i).getMovieName().toLowerCase().trim());
if (movieNamesArrayList.get(i).getMovieName().toLowerCase().trim().contains(
etsearch.getText().toString().toLowerCase().trim())) {
array_sort.add(movieNamesArrayList.get(i));
}
}
}
adapter = new ListViewAdapter(MainActivity.this, array_sort);
list.setAdapter(adapter);
}
});
}
}
To see all tables:
.tables
To see a particular table:
.schema [tablename]
If you want to keep adding a new object to the array i've been using:
_methodName = (para1, para2) => {
this.setState({
arr: this.state.arr.concat({para1, para2})
})
}
Change setInterval("func",10000)
to either setInterval(funcName, 10000)
or setInterval("funcName()",10000)
. The former is the recommended method.
Environment.Exit(exitCode); //exit code 0 is a proper exit and 1 is an error
Let me explain gravity concept using WEB because a lot of developer are aware of it.
android_layout_gravity
behaves float:left|right|top|bottom
Whereas android_gravity
work as text_align:centre|left|right
In Android float is android_layout_gravity and text_align: is android_gravity.
And android_layout_gravity applies relative to parent. where as android_gravity applies to its child or inner content.
Note android_gravity only works when its View is match_parent(when it have space to center).
First, keep in mind that, in its precise definition, a module is an object in the memory of a Python interpreter, often created by reading one or more files from disk. While we may informally call a disk file such as a/b/c.py
a "module," it doesn't actually become one until it's combined with information from several other sources (such as sys.path
) to create the module object.
(Note, for example, that two modules with different names can be loaded from the same file, depending on sys.path
and other settings. This is exactly what happens with python -m my.module
followed by an import my.module
in the interpreter; there will be two module objects, __main__
and my.module
, both created from the same file on disk, my/module.py
.)
A package is a module that may have submodules (including subpackages). Not all modules can do this. As an example, create a small module hierarchy:
$ mkdir -p a/b
$ touch a/b/c.py
Ensure that there are no other files under a
. Start a Python 3.4 or later interpreter (e.g., with python3 -i
) and examine the results of the following statements:
import a
a ? <module 'a' (namespace)>
a.b ? AttributeError: module 'a' has no attribute 'b'
import a.b.c
a.b ? <module 'a.b' (namespace)>
a.b.c ? <module 'a.b.c' from '/home/cjs/a/b/c.py'>
Modules a
and a.b
are packages (in fact, a certain kind of package called a "namespace package," though we wont' worry about that here). However, module a.b.c
is not a package. We can demonstrate this by adding another file, a/b.py
to the directory structure above and starting a fresh interpreter:
import a.b.c
? ImportError: No module named 'a.b.c'; 'a.b' is not a package
import a.b
a ? <module 'a' (namespace)>
a.__path__ ? _NamespacePath(['/.../a'])
a.b ? <module 'a.b' from '/home/cjs/tmp/a/b.py'>
a.b.__path__ ? AttributeError: 'module' object has no attribute '__path__'
Python ensures that all parent modules are loaded before a child module is loaded. Above it finds that a/
is a directory, and so creates a namespace package a
, and that a/b.py
is a Python source file which it loads and uses to create a (non-package) module a.b
. At this point you cannot have a module a.b.c
because a.b
is not a package, and thus cannot have submodules.
You can also see here that the package module a
has a __path__
attribute (packages must have this) but the non-package module a.b
does not.
The file that you downloaded (http://curl.haxx.se/ca/cacert.pem) is a bundle of the root certificates from the major trusted certificate authorities. You said that the remote host has a self-signed SSL certificate, so it didn't use a trusted certificate. The openssl.cafile
setting needs to point to the CA certificate that was used to sign the SSL certificate on the remote host. PHP 5.6 has been improved over previous versions of PHP to now verify peer certificates and host names by default (http://php.net/manual/en/migration56.openssl.php)
You'll need to locate the CA certificate that was generated on the server that signed the SSL certificate and copy it to this server. The only other option is to disable verifying the peer, but that defeats the SSL security. If you DO want to try disabling verification, try this array with the code from my previous answer:
$contextOptions = array(
'ssl' => array(
'verify_peer' => false,
'verify_peer_name' => false
)
);
Either way, if you're using self-signed certificates, you'll need to add the CA cert that was used to sign the remote host's SSL certificate to the trusted store on the server you're connecting from OR use stream contexts to use that certificate for each individual request. Adding it to the trusted certificates is the simplest solution. Just add the contents of the remote host's CA cert to the end of the cacert.pem file you downloaded.
Previous:
fsockopen doesn't support stream contexts, so use stream_socket_client instead. It returns a resource that can be used with all the commands that fsockopen resources can.
This should be a drop in replacement for the snippet you have in your question:
<?php
$contextOptions = array(
'ssl' => array(
'verify_peer' => true, // You could skip all of the trouble by changing this to false, but it's WAY uncool for security reasons.
'cafile' => '/etc/ssl/certs/cacert.pem',
'CN_match' => 'example.com', // Change this to your certificates Common Name (or just comment this line out if not needed)
'ciphers' => 'HIGH:!SSLv2:!SSLv3',
'disable_compression' => true,
)
);
$context = stream_context_create($contextOptions);
$fp = stream_socket_client("tcp://{$host}:{$port}", $errno, $errstr, 20, STREAM_CLIENT_CONNECT, $context);
if (!$fp) {
echo "$errstr ({$errno})<br />\n";
}else{
$this->request = 'POST '.substr($this->url, strlen($this->host)).' HTTP/1.1'.$crlf
.'Host: '.$this->host.$crlf
.'Content-Length: '.$content_length.$crlf
.'Connection: Close'.$crlf.$crlf
.$body;
fwrite($fp, $this->request);
while (!feof($fp)) {
$this->response .= fgets($fp);
}
fclose($fp);
}
You are using .index()
which will only find the first occurrence of your value in the list. So if you have a value 1.0 at index 2, and at index 9, then .index(1.0)
will always return 2
, no matter how many times 1.0
occurs in the list.
Use enumerate()
to add indices to your loop instead:
def find(lst, a, b):
result = []
for i, x in enumerate(lst):
if x<a or x>b:
result.append(i)
return result
You can collapse this into a list comprehension:
def find(lst, a, b):
return [i for i, x in enumerate(lst) if x<a or x>b]
TLS client certificates are not sent in HTTP headers. They are transmitted by the client as part of the TLS handshake, and the server will typically check the validity of the certificate during the handshake as well.
If the certificate is accepted, most web servers can be configured to add headers for transmitting the certificate or information contained on the certificate to the application. Environment variables are populated with certificate information in Apache and Nginx which can be used in other directives for setting headers.
As an example of this approach, the following Nginx config snippet will validate a client certificate, and then set the SSL_CLIENT_CERT
header to pass the entire certificate to the application. This will only be set when then certificate was successfully validated, so the application can then parse the certificate and rely on the information it bears.
server {
listen 443 ssl;
server_name example.com;
ssl_certificate /path/to/chainedcert.pem; # server certificate
ssl_certificate_key /path/to/key; # server key
ssl_client_certificate /path/to/ca.pem; # client CA
ssl_verify_client on;
proxy_set_header SSL_CLIENT_CERT $ssl_client_cert;
location / {
proxy_pass http://localhost:3000;
}
}
for AND you use
if ($status = 'clear' && $pRent == 0) {
mysql_query("UPDATE rent SET dNo = '$id', status = 'clear', colour = '#3C0' WHERE rent.id = $id");
}
for OR you use
if ($status = 'clear' || $pRent == 0) {
mysql_query("UPDATE rent SET dNo = '$id', status = 'clear', colour = '#3C0' WHERE rent.id = $id");
}
Yes, JSON.stringify
, can be found here, it's included in Firefox 3.5.4 and above.
A JSON stringifier goes in the opposite direction, converting JavaScript data structures into JSON text. JSON does not support cyclic data structures, so be careful to not give cyclical structures to the JSON stringifier. https://web.archive.org/web/20100611210643/http://www.json.org/js.html
var myJSONText = JSON.stringify(myObject, replacer);
When you upgarde your php version, make sure, apache2 follows. You can create a phpinfo() file which could show that apache is still using the old php version.
In this case you should use the a2dismod php-old-version and a2enmon php-mod-version commands
Exemple :
in ubuntu, your grab the old version from /etc/apache2/mods-enabled, or from the version shown by the phpinfo file, and you grab the new one from /etc/apache2/mods-available
> sudo a2dismod php5.6
> sudo a2enmod php7.1
> sudo service apache2 restart
Going Old School always works
def intoBinary(number):
binarynumber=""
if (number!=0):
while (number>=1):
if (number %2==0):
binarynumber=binarynumber+"0"
number=number/2
else:
binarynumber=binarynumber+"1"
number=(number-1)/2
else:
binarynumber="0"
return "".join(reversed(binarynumber))
You could also get this error if you are viewing accessing the page locally (via file://
instead of http://
)..
There is some discussion about this here: https://github.com/jeromegn/Backbone.localStorage/issues/55
Note: This doesn't apply to Angular 6 and above as ElementRef
became ElementRef<T>
with T
denoting the type of nativeElement
.
I would like to add that if you are using ElementRef
, as recommended by all answers, then you will immediately encounter the problem that ElementRef
has an awful type declaration that looks like
export declare class ElementRef {
nativeElement: any;
}
this is stupid in a browser environment where nativeElement is an HTMLElement
.
To workaround this you can use the following technique
import {Inject, ElementRef as ErrorProneElementRef} from '@angular/core';
interface ElementRef {
nativeElement: HTMLElement;
}
@Component({...}) export class MyComponent {
constructor(@Inject(ErrorProneElementRef) readonly elementRef: ElementRef) { }
}
Many years later there seems to still be a usability problem with the Python logger. Here's some explanations with examples:
import logging
# This sets the root logger to write to stdout (your console).
# Your script/app needs to call this somewhere at least once.
logging.basicConfig()
# By default the root logger is set to WARNING and all loggers you define
# inherit that value. Here we set the root logger to NOTSET. This logging
# level is automatically inherited by all existing and new sub-loggers
# that do not set a less verbose level.
logging.root.setLevel(logging.NOTSET)
# The following line sets the root logger level as well.
# It's equivalent to both previous statements combined:
logging.basicConfig(level=logging.NOTSET)
# You can either share the `logger` object between all your files or the
# name handle (here `my-app`) and call `logging.getLogger` with it.
# The result is the same.
handle = "my-app"
logger1 = logging.getLogger(handle)
logger2 = logging.getLogger(handle)
# logger1 and logger2 point to the same object:
# (logger1 is logger2) == True
# Convenient methods in order of verbosity from highest to lowest
logger.debug("this will get printed")
logger.info("this will get printed")
logger.warning("this will get printed")
logger.error("this will get printed")
logger.critical("this will get printed")
# In large applications where you would like more control over the logging,
# create sub-loggers from your main application logger.
component_logger = logger.getChild("component-a")
component_logger.info("this will get printed with the prefix `my-app.component-a`")
# If you wish to control the logging levels, you can set the level anywhere
# in the hierarchy:
#
# - root
# - my-app
# - component-a
#
# Example for development:
logger.setLevel(logging.DEBUG)
# If that prints too much, enable debug printing only for your component:
component_logger.setLevel(logging.DEBUG)
# For production you rather want:
logger.setLevel(logging.WARNING)
A common source of confusion comes from a badly initialised root logger. Consider this:
import logging
log = logging.getLogger("myapp")
log.warning("woot")
logging.basicConfig()
log.warning("woot")
Output:
woot
WARNING:myapp:woot
Depending on your runtime environment and logging levels, the first log line (before basic config) might not show up anywhere.
I would start with upgrade of CMAKE version.
You can use INCLUDE_DIRECTORIES for header location and LINK_DIRECTORIES + TARGET_LINK_LIBRARIES for libraries
INCLUDE_DIRECTORIES(your/header/dir)
LINK_DIRECTORIES(your/library/dir)
rosbuild_add_executable(kinectueye src/kinect_ueye.cpp)
TARGET_LINK_LIBRARIES(kinectueye lib1 lib2 lib2 ...)
note that lib1
is expanded to liblib1.so
(on Linux), so use ln to create appropriate links in case you do not have them
new String(byteArray, 0, bytesRead);
does not modify the array. You need to use System.arrayCopy
to trim the array to the actual data size. Otherwise you are processing all 102400 bytes most of which are zeros.
Btw you can also use the ui-sref attribute in your templates to pass objects
ui-sref="myState({ myParam: myObject })"
Illegal combination of modifiers : static and abstract
If a member of a class is declared as static, it can be used with its class name which is confined to that class, without creating an object.
If a member of a class is declared as abstract, you need to declare the class as abstract and you need to provide the implementation of the abstract member in its inherited class (Sub-Class).
You need to provide an implementation to the abstract member of a class in sub-class where you are going to change the behaviour of static method, also declared as abstract which is a confined to the base class, which is not correct
for iterating through JSON you can use this:
json_object = json.loads(json_file)
for element in json_object:
for value in json_object['Name_OF_YOUR_KEY/ELEMENT']:
print(json_object['Name_OF_YOUR_KEY/ELEMENT']['INDEX_OF_VALUE']['VALUE'])
Switch to your local branch
> git checkout configUpdate
Merge remote master to your branch
> git rebase master configUpdate
In case you have any conflicts, correct them and for each conflicted file do the command
> git add [path_to_file/conflicted_file] (e.g. git add app/assets/javascripts/test.js)
Continue rebase
> git rebase --continue
Did you compile with Eclipse? It uses a different compiler (not javac). That should not result in this error (if everything is configured properly), but you can try to compile it with javac instead.
If that fixed the problem, try to see if Eclipse has some incorrect compiler settings. Specifically have it target Java 5.
Add AddType application/x-httpd-php .php
to your httpd.conf file if you are using Apache 2.4
I know that this isn't an answer to the initial question ... but you often want to clip the inner content of that rounded corner border you just created.
Chris Cavanagh has come up with an excellent way to do just this.
I have tried a couple different approaches to this ... and I think this one rocks.
Here is the xaml below:
<Page
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Background="Black"
>
<!-- Rounded yellow border -->
<Border
HorizontalAlignment="Center"
VerticalAlignment="Center"
BorderBrush="Yellow"
BorderThickness="3"
CornerRadius="10"
Padding="2"
>
<Grid>
<!-- Rounded mask (stretches to fill Grid) -->
<Border
Name="mask"
Background="White"
CornerRadius="7"
/>
<!-- Main content container -->
<StackPanel>
<!-- Use a VisualBrush of 'mask' as the opacity mask -->
<StackPanel.OpacityMask>
<VisualBrush Visual="{Binding ElementName=mask}"/>
</StackPanel.OpacityMask>
<!-- Any content -->
<Image Source="http://chriscavanagh.files.wordpress.com/2006/12/chriss-blog-banner.jpg"/>
<Rectangle
Height="50"
Fill="Red"/>
<Rectangle
Height="50"
Fill="White"/>
<Rectangle
Height="50"
Fill="Blue"/>
</StackPanel>
</Grid>
</Border>
</Page>
I needed to execute an directive AFTER loading several templates so I created this directive:
utilModule.directive('utPreload',_x000D_
['$templateRequest', '$templateCache', '$q', '$compile', '$rootScope',_x000D_
function($templateRequest, $templateCache, $q, $compile, $rootScope) {_x000D_
'use strict';_x000D_
var link = function(scope, element) {_x000D_
scope.$watch('done', function(done) {_x000D_
if(done === true) {_x000D_
var html = "";_x000D_
if(scope.slvAppend === true) {_x000D_
scope.urls.forEach(function(url) {_x000D_
html += $templateCache.get(url);_x000D_
});_x000D_
}_x000D_
html += scope.slvHtml;_x000D_
element.append($compile(html)($rootScope));_x000D_
}_x000D_
});_x000D_
};_x000D_
_x000D_
var controller = function($scope) {_x000D_
$scope.done = false;_x000D_
$scope.html = "";_x000D_
$scope.urls = $scope.slvTemplate.split(',');_x000D_
var promises = [];_x000D_
$scope.urls.forEach(function(url) {_x000D_
promises.add($templateRequest(url));_x000D_
});_x000D_
$q.all(promises).then(_x000D_
function() { // SUCCESS_x000D_
$scope.done = true;_x000D_
}, function() { // FAIL_x000D_
throw new Error('preload failed.');_x000D_
}_x000D_
);_x000D_
};_x000D_
_x000D_
return {_x000D_
restrict: 'A',_x000D_
scope: {_x000D_
utTemplate: '=', // the templates to load (comma separated)_x000D_
utAppend: '=', // boolean: append templates to DOM after load?_x000D_
utHtml: '=' // the html to append and compile after templates have been loaded_x000D_
},_x000D_
link: link,_x000D_
controller: controller_x000D_
};_x000D_
}]);
_x000D_
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.15/angular.min.js"></script>_x000D_
_x000D_
<div class="container-fluid"_x000D_
ut-preload_x000D_
ut-append="true"_x000D_
ut-template="'html/one.html,html/two.html'"_x000D_
ut-html="'<my-directive></my-directive>'">_x000D_
_x000D_
</div>
_x000D_
You may use str.isdigit()
and str.isalpha()
to check whether given string is positive integer and alphabet respectively.
Sample Results:
# For alphabet
>>> 'A'.isdigit()
False
>>> 'A'.isalpha()
True
# For digit
>>> '1'.isdigit()
True
>>> '1'.isalpha()
False
str.isdigit()
returns False
if the string is a negative number or a float number. For example:
# returns `False` for float
>>> '123.3'.isdigit()
False
# returns `False` for negative number
>>> '-123'.isdigit()
False
If you want to also check for the negative integers and float
, then you may write a custom function to check for it as:
def is_number(n):
try:
float(n) # Type-casting the string to `float`.
# If string is not a valid `float`,
# it'll raise `ValueError` exception
except ValueError:
return False
return True
Sample Run:
>>> is_number('123') # positive integer number
True
>>> is_number('123.4') # positive float number
True
>>> is_number('-123') # negative integer number
True
>>> is_number('-123.4') # negative `float` number
True
>>> is_number('abc') # `False` for "some random" string
False
The above functions will return True
for the "NAN" (Not a number) string because for Python it is valid float representing it is not a number. For example:
>>> is_number('NaN')
True
In order to check whether the number is "NaN", you may use math.isnan()
as:
>>> import math
>>> nan_num = float('nan')
>>> math.isnan(nan_num)
True
Or if you don't want to import additional library to check this, then you may simply check it via comparing it with itself using ==
. Python returns False
when nan
float is compared with itself. For example:
# `nan_num` variable is taken from above example
>>> nan_num == nan_num
False
Hence, above function is_number
can be updated to return False
for "NaN"
as:
def is_number(n):
is_number = True
try:
num = float(n)
# check for "nan" floats
is_number = num == num # or use `math.isnan(num)`
except ValueError:
is_number = False
return is_number
Sample Run:
>>> is_number('Nan') # not a number "Nan" string
False
>>> is_number('nan') # not a number string "nan" with all lower cased
False
>>> is_number('123') # positive integer
True
>>> is_number('-123') # negative integer
True
>>> is_number('-1.12') # negative `float`
True
>>> is_number('abc') # "some random" string
False
The above function will still return you False
for the complex numbers. If you want your is_number
function to treat complex numbers as valid number, then you need to type cast your passed string to complex()
instead of float()
. Then your is_number
function will look like:
def is_number(n):
is_number = True
try:
# v type-casting the number here as `complex`, instead of `float`
num = complex(n)
is_number = num == num
except ValueError:
is_number = False
return is_number
Sample Run:
>>> is_number('1+2j') # Valid
True # : complex number
>>> is_number('1+ 2j') # Invalid
False # : string with space in complex number represetantion
# is treated as invalid complex number
>>> is_number('123') # Valid
True # : positive integer
>>> is_number('-123') # Valid
True # : negative integer
>>> is_number('abc') # Invalid
False # : some random string, not a valid number
>>> is_number('nan') # Invalid
False # : not a number "nan" string
PS: Each operation for each check depending on the type of number comes with additional overhead. Choose the version of is_number
function which fits your requirement.
It must be at least 64 bits. Other than that it's implementation defined.
Strictly speaking, unsigned long long
isn't standard in C++ until the C++0x standard. unsigned long long
is a 'simple-type-specifier' for the type unsigned long long int
(so they're synonyms).
The long long
set of types is also in C99 and was a common extension to C++ compilers even before being standardized.
You are looking for variadic functions. printf() and sprintf() are variadic functions - they can accept a variable number of arguments.
This entails basically these steps:
The first parameter must give some indication of the number of parameters that follow. So in printf(), the "format" parameter gives this indication - if you have 5 format specifiers, then it will look for 5 more arguments (for a total of 6 arguments.) The first argument could be an integer (eg "myfunction(3, a, b, c)" where "3" signifies "3 arguments)
Then loop through and retrieve each successive argument, using the va_start() etc. functions.
There are plenty of tutorials on how to do this - good luck!
btn.titleLabel?.font = .systemFont(ofSize: 12)
If using Apache Commons Codec is an option, then this would be a shorter implementation:
String md5Hex = new String(Hex.encodeHex(DigestUtils.md5(data)));
Or SHA:
String shaHex= new String(Hex.encodeHex(DigestUtils.sha("textToHash")));
Source for above.
Please follow the link and upvote his solution to award the correct person.
Maven repo link: https://mvnrepository.com/artifact/commons-codec/commons-codec
Current Maven dependency (as of 6 July 2016):
<!-- https://mvnrepository.com/artifact/commons-codec/commons-codec -->
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.10</version>
</dependency>
I don't know why the previous answers gave all sorts of complicated solutions. If you just want to execute a quick command like ls
, you don't need async/await or callbacks or anything. Here's all you need - execSync:
const execSync = require('child_process').execSync;
// import { execSync } from 'child_process'; // replace ^ if using ES modules
const output = execSync('ls', { encoding: 'utf-8' }); // the default is 'buffer'
console.log('Output was:\n', output);
For error handling, add a try
/catch
block around the statement.
If you're running a command that takes a long time to complete, then yes, look at the asynchronous exec
function.
If your are using gmail.
1-logon to your account
2- browse this link
3- Allow less secure apps: ON
Enjoy....
Normally I would agree with Yaakov Ellis but in this special case there is another viable solution:
Use two tables:
Table: Item
Columns: ItemID, Title, Content
Indexes: ItemID
Table: Tag
Columns: ItemID, Title
Indexes: ItemId, Title
This has some major advantages:
First it makes development much simpler: in the three-table solution for insert and update of item
you have to lookup the Tag
table to see if there are already entries. Then you have to join them with new ones. This is no trivial task.
Then it makes queries simpler (and perhaps faster). There are three major database queries which you will do: Output all Tags
for one Item
, draw a Tag-Cloud and select all items for one Tag Title.
All Tags for one Item:
3-Table:
SELECT Tag.Title
FROM Tag
JOIN ItemTag ON Tag.TagID = ItemTag.TagID
WHERE ItemTag.ItemID = :id
2-Table:
SELECT Tag.Title
FROM Tag
WHERE Tag.ItemID = :id
Tag-Cloud:
3-Table:
SELECT Tag.Title, count(*)
FROM Tag
JOIN ItemTag ON Tag.TagID = ItemTag.TagID
GROUP BY Tag.Title
2-Table:
SELECT Tag.Title, count(*)
FROM Tag
GROUP BY Tag.Title
Items for one Tag:
3-Table:
SELECT Item.*
FROM Item
JOIN ItemTag ON Item.ItemID = ItemTag.ItemID
JOIN Tag ON ItemTag.TagID = Tag.TagID
WHERE Tag.Title = :title
2-Table:
SELECT Item.*
FROM Item
JOIN Tag ON Item.ItemID = Tag.ItemID
WHERE Tag.Title = :title
But there are some drawbacks, too: It could take more space in the database (which could lead to more disk operations which is slower) and it's not normalized which could lead to inconsistencies.
The size argument is not that strong because the very nature of tags is that they are normally pretty small so the size increase is not a large one. One could argue that the query for the tag title is much faster in a small table which contains each tag only once and this certainly is true. But taking in regard the savings for not having to join and the fact that you can build a good index on them could easily compensate for this. This of course depends heavily on the size of the database you are using.
The inconsistency argument is a little moot too. Tags are free text fields and there is no expected operation like 'rename all tags "foo" to "bar"'.
So tldr: I would go for the two-table solution. (In fact I'm going to. I found this article to see if there are valid arguments against it.)
For those who want to know if an object is a jQuery object without having jQuery installed, the following snippet should do the work :
function isJQuery(obj) {
// Each jquery object has a "jquery" attribute that contains the version of the lib.
return typeof obj === "object" && obj && obj["jquery"];
}
When you query for ANY you will get a list of all records at that level but not below.
# try this
dig google.com any
This may return A records, TXT records, NS records, MX records, etc if the domain name is exactly "google.com". However, it will not return child records (e.g., www.google.com). More precisely, you MAY get these records if they exist. The name server does not have to return these records if it chooses not to do so (for example, to reduce the size of the response).
An AXFR is a zone transfer and is likely what you want. However, these are typically restricted and not available unless you control the zone. You'll usually conduct a zone transfer directly from the authoritative server (the @ns1.google.com below) and often from a name server that may not be published (a stealth name server).
# This will return "Transfer failed"
dig @ns1.google.com google.com axfr
If you have control of the zone, you can set it up to get transfers that are protected with a TSIG key. This is a shared secret the the client can send to the server to authorize the transfer.
Possible duplicate of Modify twitter bootstrap navbar. I guess this is what you are looking for (copied):
.navbar .nav,
.navbar .nav > li {
float:none;
display:inline-block;
*display:inline; /* ie7 fix */
*zoom:1; /* hasLayout ie7 trigger */
vertical-align: top;
}
.navbar-inner {
text-align:center;
}
As stated in the linked answer, you should make a new class with these properties and add it to the nav div.
If you have a SSHClient, you can also use open_sftp()
:
import paramiko
# lets say you have SSH client...
client = paramiko.SSHClient()
sftp = client.open_sftp()
# then you can use upload & download as shown above
...
Every time you used the mysql console, the version is shown.
mysql -u user
Successful console login shows the following which includes the mysql server version.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1432
Server version: 5.5.9-log Source distribution
Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
You can also check the mysql server version directly by executing the following command:
mysql --version
You may also check the version information from the mysql console itself using the version variables:
mysql> SHOW VARIABLES LIKE "%version%";
Output will be something like this:
+-------------------------+---------------------+
| Variable_name | Value |
+-------------------------+---------------------+
| innodb_version | 1.1.5 |
| protocol_version | 10 |
| slave_type_conversions | |
| version | 5.5.9-log |
| version_comment | Source distribution |
| version_compile_machine | i386 |
| version_compile_os | osx10.4 |
+-------------------------+---------------------+
7 rows in set (0.01 sec)
You may also use this:
mysql> select @@version;
The STATUS command display version information as well.
mysql> STATUS
You can also check the version by executing this command:
mysql -v
It's worth mentioning that if you have encountered something like this:
ERROR 2002 (HY000): Can't connect to local MySQL server through socket
'/tmp/mysql.sock' (2)
you can fix it by:
sudo ln -s /Applications/MAMP/tmp/mysql/mysql.sock /tmp/mysql.sock
There's actually an easier way than exporting and unsetting or sourcing again (at least in bash, as long as you're ok with passing the environment variables manually):
let a.sh be
#!/bin/bash
secret="winkle my tinkle"
echo Yo, lemme tell you \"$secret\", b.sh!
Message=$secret ./b.sh
and b.sh be
#!/bin/bash
echo I heard \"$Message\", yo
Observed output is
[rob@Archie test]$ ./a.sh
Yo, lemme tell you "winkle my tinkle", b.sh!
I heard "winkle my tinkle", yo
The magic lies in the last line of a.sh
, where Message
, for only the duration of the invocation of ./b.sh
, is set to the value of secret
from a.sh
.
Basically, it's a little like named parameters/arguments. More than that, though, it even works for variables like $DISPLAY
, which controls which X Server an application starts in.
Remember, the length of the list of environment variables is not infinite. On my system with a relatively vanilla kernel, xargs --show-limits
tells me the maximum size of the arguments buffer is 2094486 bytes. Theoretically, you're using shell scripts wrong if your data is any larger than that (pipes, anyone?)
Hey I was also facing similar problem, in an ajax generated page.. I took generated source using Webdeveloper pluggin in FF, and checked all the inputs in the form and found out that there was another checkbox inside a hidden div(display:none) with same ID, Once I changed the id of second checkbox, it started working.. You can also try that.. and let me know the result.. cheers
An alternative implementation of what @user252400 proposes is to use bwrap
, a small setuid sandbox that can be found in all major distributions - often installed by default. bwrap
allows you to bind mount directories without sudo
and automatically unbinds them when git or your shell exits.
Assuming your development process isn't too crazy (see bellow), start bash in a private namespace and bind the external directory under the git directory:
bwrap --ro-bind / / \
--bind {EXTERNAL-DIR} {MOUNTPOINT-IN-GIT-DIR} \
--dev /dev \
bash
Then do everything you'd do normally like git add
, git commit
, and so on. When you're done, just exit bash. Clean and simple.
Caveats: To prevent sandbox escapes, bwrap
is not allowed to execute other setuid binaries. See man bwrap
for more details.
The infix operator %>%
is not part of base R, but is in fact defined by the package magrittr
(CRAN) and is heavily used by dplyr
(CRAN).
It works like a pipe, hence the reference to Magritte's famous painting The Treachery of Images.
What the function does is to pass the left hand side of the operator to the first argument of the right hand side of the operator. In the following example, the data frame iris
gets passed to head()
:
library(magrittr)
iris %>% head()
Sepal.Length Sepal.Width Petal.Length Petal.Width Species
1 5.1 3.5 1.4 0.2 setosa
2 4.9 3.0 1.4 0.2 setosa
3 4.7 3.2 1.3 0.2 setosa
4 4.6 3.1 1.5 0.2 setosa
5 5.0 3.6 1.4 0.2 setosa
6 5.4 3.9 1.7 0.4 setosa
Thus, iris %>% head()
is equivalent to head(iris)
.
Often, %>%
is called multiple times to "chain" functions together, which accomplishes the same result as nesting. For example in the chain below, iris
is passed to head()
, then the result of that is passed to summary()
.
iris %>% head() %>% summary()
Thus iris %>% head() %>% summary()
is equivalent to summary(head(iris))
. Some people prefer chaining to nesting because the functions applied can be read from left to right rather than from inside out.
You don't have to convert the object to a MyClass object because it already is. Wnat you really want to do is to cast it, but since the class name is not known at compile time, you can't do that, since you can't declare a variable of that class. My guess is that you want/need something like "duck typing", i.e. you don't know the class name but you know the method name at compile time. Interfaces, as proposed by Gregory, are your best bet to do that.
Use the DataGridView.ReadOnly
property
The code in the MSDN example illustrates the use of this property in a DataGridView
control intended primarily for display. In this example, the visual appearance of the control is customized in several ways and the control is configured for limited interactivity.
Observe these settings in the sample code:
// Set property values appropriate for read-only
// display and limited interactivity
dataGridView1.AllowUserToAddRows = false;
dataGridView1.AllowUserToDeleteRows = false;
dataGridView1.AllowUserToOrderColumns = true;
dataGridView1.ReadOnly = true;
dataGridView1.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
dataGridView1.MultiSelect = false;
dataGridView1.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.None;
dataGridView1.AllowUserToResizeColumns = false;
dataGridView1.ColumnHeadersHeightSizeMode =
DataGridViewColumnHeadersHeightSizeMode.DisableResizing;
dataGridView1.AllowUserToResizeRows = false;
dataGridView1.RowHeadersWidthSizeMode =
DataGridViewRowHeadersWidthSizeMode.DisableResizing;
You can do that but the changes will affect for new data that is inserted on the database. On the long run follow as suggested above.
Also there are certain tricks you can override the collation, such as parameters for stored procedures or functions, alias data types, and variables are assigned the default collation of the database. To change the collation of an alias type, you must drop the alias and re-create it.
You can override the default collation of a literal string by using the COLLATE clause. If you do not specify a collation, the literal is assigned the database default collation. You can use DATABASEPROPERTYEX to find the current collation of the database.
You can override the server, database, or column collation by specifying a collation in the ORDER BY clause of a SELECT statement.
This needs to be done on the server-side, where the cookie was issued.
The correct answer to this question has been changed by the publication of RFC 8314. As a result, port 465 and 587 are both valid ports for a mail submission agent (MSA). Port 465 requires negotiation of TLS/SSL at connection setup and port 587 uses STARTTLS if one chooses to negotiate TLS. The IANA registry was updated to allow legitimate use of port 465 for this purpose. For mail relay, only port 25 is used so STARTTLS is the only way to do TLS with mail relay. It's helpful to think of mail relay and mail submission as two very different services (with many behavior differences like requiring auth, different timeouts, different message modification rules, etc.) that happen to use a similar wire protocol.
A scroll pane is a container which contains another component. You can't add your text area to two different scroll panes. The scroll pane takes care of the horizontal and vertical scroll bars.
And if you never add the scroll pane to the frame, it will never be visible.
Read the swing tutorial about scroll panes.
We can use \n as a new line in php.
<?php
echo"Fo\n";
echo"Pro";
?>
Output:
Fo
Pro
There is a workaround.
That's it.
With EF or LINQ to SQL:
var item = db.Items.OrderByDescending(i => i.Value).FirstOrDefault();
With LINQ to Objects I suggest to use morelinq extension MaxBy
(get morelinq from nuget):
var item = items.MaxBy(i => i.Value);
Danield's answer is good, but it can only be used when the div fills the whole viewport, or by using a bit of calc
, can be used if the width and height of the other content in the viewport is known.
However, by combining the margin-bottom
trick with the method in the aforementioned answer, the problem can be reduced to just having to know the height of the other content. This is useful if you have a fixed height header, but the width of the sidebar, for example, is not known.
body {_x000D_
margin: 0;_x000D_
margin-top: 100px; /* simulating a header */_x000D_
}_x000D_
_x000D_
main {_x000D_
margin: 0 auto;_x000D_
max-width: calc(200vh - 200px);_x000D_
}_x000D_
_x000D_
section {_x000D_
padding-bottom: 50%;_x000D_
position: relative;_x000D_
}_x000D_
_x000D_
div {_x000D_
position:absolute;_x000D_
background-color: red;_x000D_
top: 0;_x000D_
left: 0;_x000D_
bottom: 0;_x000D_
right: 0;_x000D_
}
_x000D_
<main>_x000D_
<section>_x000D_
<div></div>_x000D_
</section>_x000D_
</main>
_x000D_
Here it is in a jsfiddle using scss, which makes it more obvious where the values come from.
I encountered a similar problem, with a syntax error that I knew should not be a syntax error. In my case it turned out that a Python 2 interpreter was trying to run Python 3 code, or vice versa; I think that my shell had a PYTHONPATH with a mixture of Python 2 and Python 3.
I believe that join()
is just a convenience method. Try df1.merge(df2)
instead, which allows you to specify left_on
and right_on
:
In [30]: left.merge(right, left_on="key1", right_on="key2")
Out[30]:
key1 lval key2 rval
0 foo 1 foo 4
1 bar 2 bar 5
Worked a day for this project. It maybe useful for u. I compressed and combined both Network and GPS. Plug and play directly in MainActivity.java (There are some DIY function for display result)
///////////////////////////////////
////////// LOCATION PACK //////////
//
// locationManager: (LocationManager) for getting LOCATION_SERVICE
// osLocation: (Location) getting location data via standard method
// dataLocation: class type storage locztion data
// x,y: (Double) Longtitude, Latitude
// location: (dataLocation) variable contain absolute location info. Autoupdate after run locationStart();
// AutoLocation: class help getting provider info
// tmLocation: (Timer) for running update location over time
// LocationStart(int interval): start getting location data with setting interval time cycle in milisecond
// LocationStart(): LocationStart(500)
// LocationStop(): stop getting location data
//
// EX:
// LocationStart(); cycleF(new Runnable() {public void run(){bodyM.text("LOCATION \nLatitude: " + location.y+ "\nLongitude: " + location.x).show();}},500);
//
LocationManager locationManager;
Location osLocation;
public class dataLocation {double x,y;}
dataLocation location=new dataLocation();
public class AutoLocation extends Activity implements LocationListener {
@Override public void onLocationChanged(Location p1){}
@Override public void onStatusChanged(String p1, int p2, Bundle p3){}
@Override public void onProviderEnabled(String p1){}
@Override public void onProviderDisabled(String p1){}
public Location getLocation(String provider) {
if (locationManager.isProviderEnabled(provider)) {
locationManager.requestLocationUpdates(provider,0,0,this);
if (locationManager != null) {
osLocation = locationManager.getLastKnownLocation(provider);
return osLocation;
}
}
return null;
}
}
Timer tmLocation=new Timer();
public void LocationStart(int interval){
locationManager = (LocationManager) this.getSystemService(LOCATION_SERVICE);
final AutoLocation autoLocation = new AutoLocation();
tmLocation=cycleF(new Runnable() {public void run(){
Location nwLocation = autoLocation.getLocation(LocationManager.NETWORK_PROVIDER);
if (nwLocation != null) {
location.y = nwLocation.getLatitude();
location.x = nwLocation.getLongitude();
} else {
//bodym.text("NETWORK_LOCATION is loading...").show();
}
Location gpsLocation = autoLocation.getLocation(LocationManager.GPS_PROVIDER);
if (gpsLocation != null) {
location.y = gpsLocation.getLatitude();
location.x = gpsLocation.getLongitude();
} else {
//bodym.text("GPS_LOCATION is loading...").show();
}
}}, interval);
}
public void LocationStart(){LocationStart(500);};
public void LocationStop(){stopCycleF(tmLocation);}
//////////
///END//// LOCATION PACK //////////
//////////
/////////////////////////////
////////// RUNTIME //////////
//
// Need library:
// import java.util.*;
//
// delayF(r,d): execute runnable r after d millisecond
// Halt by execute the return: final Runnable rn=delayF(...); (new Handler()).post(rn);
// cycleF(r,i): execute r repeatedly with i millisecond each cycle
// stopCycleF(t): halt execute cycleF via the Timer return of cycleF
//
// EX:
// delayF(new Runnable(){public void run(){ sig("Hi"); }},2000);
// final Runnable rn=delayF(new Runnable(){public void run(){ sig("Hi"); }},3000);
// delayF(new Runnable(){public void run(){ (new Handler()).post(rn);sig("Hello"); }},1000);
// final Timer tm=cycleF(new Runnable() {public void run(){ sig("Neverend"); }}, 1000);
// delayF(new Runnable(){public void run(){ stopCycleF(tm);sig("Ended"); }},7000);
//
public static Runnable delayF(final Runnable r, long delay) {
final Handler h = new Handler();
h.postDelayed(r, delay);
return new Runnable(){
@Override
public void run(){h.removeCallbacks(r);}
};
}
public static Timer cycleF(final Runnable r, long interval) {
final Timer t=new Timer();
final Handler h = new Handler();
t.scheduleAtFixedRate(new TimerTask() {
public void run() {h.post(r);}
}, interval, interval);
return t;
}
public void stopCycleF(Timer t){t.cancel();t.purge();}
public boolean serviceRunning(Class<?> serviceClass) {
ActivityManager manager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
for (ActivityManager.RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
if (serviceClass.getName().equals(service.service.getClassName())) {
return true;
}
}
return false;
}
//////////
///END//// RUNTIME //////////
//////////
By using this code we can setup MapView anywhere, inside any ViewPager or Fragment or Activity.
In the latest update of Google for Maps, only MapView is supported for fragments. MapFragment & SupportMapFragment doesn't work. I might be wrong but this is what I saw after trying to implement MapFragment & SupportMapFragment.
Setting up the layout for showing the map in the file location_fragment.xml
:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<com.google.android.gms.maps.MapView
android:id="@+id/mapView"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</RelativeLayout>
Now, we code the Java class for showing the map in the file MapViewFragment.java
:
public class MapViewFragment extends Fragment {
MapView mMapView;
private GoogleMap googleMap;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.location_fragment, container, false);
mMapView = (MapView) rootView.findViewById(R.id.mapView);
mMapView.onCreate(savedInstanceState);
mMapView.onResume(); // needed to get the map to display immediately
try {
MapsInitializer.initialize(getActivity().getApplicationContext());
} catch (Exception e) {
e.printStackTrace();
}
mMapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(GoogleMap mMap) {
googleMap = mMap;
// For showing a move to my location button
googleMap.setMyLocationEnabled(true);
// For dropping a marker at a point on the Map
LatLng sydney = new LatLng(-34, 151);
googleMap.addMarker(new MarkerOptions().position(sydney).title("Marker Title").snippet("Marker Description"));
// For zooming automatically to the location of the marker
CameraPosition cameraPosition = new CameraPosition.Builder().target(sydney).zoom(12).build();
googleMap.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
}
});
return rootView;
}
@Override
public void onResume() {
super.onResume();
mMapView.onResume();
}
@Override
public void onPause() {
super.onPause();
mMapView.onPause();
}
@Override
public void onDestroy() {
super.onDestroy();
mMapView.onDestroy();
}
@Override
public void onLowMemory() {
super.onLowMemory();
mMapView.onLowMemory();
}
}
Finally you need to get the API Key for your app by registering your app at Google Cloud Console. Register your app as Native Android App.
I wrote a tree in C# to handle lookups on a table that a 6-segmented key with default cases (if key[0] doesn't exist, use the default case and continue). The lookups were done recursively. I tried a dictionary of dictionaries of dictionaries (etc) and it got way too complex very quickly.
I also wrote a formula evaluator in C# that evaluated equations stored in a tree to get the evaluation order correct. Granted this is likely a case of choosing the incorrect language for the problem but it was an interesting exercise.
I didn't see many examples of what people had done but rather libraries they had used. Hopefully this gives you something to think about.
In most cases you have to initialize the array,
let list: number[] = [];
The attribute selector syntax is [name=value]
where name
is the attribute name and value
is the attribute value.
So if you want to select all input
elements with the attribute name
having the value inputName[]
:
$('input[name="inputName[]"]')
And if you want to check for two attributes (here: name
and value
):
$('input[name="inputName[]"][value=someValue]')
You can use .filter
on a jQuery object that was created from the response:
success: function(data){
//Create jQuery object from the response HTML.
var $response=$(data);
//Query the jQuery object for the values
var oneval = $response.filter('#one').text();
var subval = $response.filter('#sub').text();
}
The real important difference is already mentioned in Chris' answer. However, the implications won't be obvious for everybody.
As an inline element, <span>
may only contain other inline elements. The following code is therefore wrong:
<span><p>This is a paragraph</p></span>
The above code isn't valid. To wrap block-level elements, another block-level element must be used (such as <div>
). On the other hand, <div>
may only be used in places where block-level elements are legal.
Furthermore, these rules are fixed in (X)HTML and they are not altered by the presence of CSS rules! So the following codes are also wrong!
<span style="display: block"><p>Still wrong</p></span>
<span><p style="display: inline">Just as wrong</p></span>
THis is other method
You can also use setCenter
method with add new marker
check below code
$('#my_map').gmap3({
action: 'setCenter',
map:{
options:{
zoom: 10
}
},
marker:{
values:
[
{latLng:[position.coords.latitude, position.coords.longitude], data:"Netherlands !"}
]
}
});
var clone = Object.assign({}, {a: 1, b: 2, c: 3});
delete clone.b;
or if you accept property to be undefined:
var clone = Object.assign({}, {a: 1, b: 2, c: 3}, {b: undefined});
In my scenario, I've got an MVC app and WebAPI in one solution, and I'm using local IIS (not express).
I also set up the sites in IIS as real domains, and edited my host file so that I can type in the real domain and everything works. I also noticed 2 things:
The MVC code debugging was working perfectly.
Attaching to process worked perfectly too. Just when I was debugging it didn't hit the breakpoint in my API.
This was the solution for me:
Right click webapi project > properties > Web > Project URL
By default it points to localhost, but since I set up the site in IIS, I forgot to change the URL to the website domain (i.e. instead of locahost, it should say http://{domain-name}/).
If the goal simply is to list all computer objects with an empty description attribute try this
import-module activedirectory
$domain = "domain.example.com"
Get-ADComputer -Filter '*' -Properties Description | where { $_.Description -eq $null }
The question comes down to what you're going to do with the files.
Under Windows, any directory with more than 2k files tends to open slowly for me in Explorer. If they're all image files, more than 1k tend to open very slowly in thumbnail view.
At one time, the system-imposed limit was 32,767. It's higher now, but even that is way too many files to handle at one time under most circumstances.
I've had nice results with djb2
by Dan Bernstein.
unsigned long
hash(unsigned char *str)
{
unsigned long hash = 5381;
int c;
while (c = *str++)
hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
return hash;
}
This will work fine with Linq to Objects. However, some LINQ providers have difficulty running CLR methods as part of the query. This is expecially true of some database providers.
The problem is that the DB providers try to move and compile the LINQ query as a database query, to prevent pulling all of the objects across the wire. This is a good thing, but does occasionally restrict the flexibility in your predicates.
Unfortunately, without checking the provider documentation, it's difficult to always know exactly what will or will not be supported directly in the provider. It looks like your provider allows comparisons, but not the string check. I'd guess that, in your case, this is probably about as good of an approach as you can get. (It's really not that different from the IsNullOrEmpty check, other than creating the "string.Empty" instance for comparison, but that's minor.)
You simply need to enclose your SELECT
statements in parentheses to indicate that they are subqueries:
SET cityLat = (SELECT cities.lat FROM cities WHERE cities.id = cityID);
Alternatively, you can use MySQL's SELECT ... INTO
syntax. One advantage of this approach is that both cityLat
and cityLng
can be assigned from a single table-access:
SELECT lat, lng INTO cityLat, cityLng FROM cities WHERE id = cityID;
However, the entire procedure can be replaced with a single self-joined SELECT
statement:
SELECT b.*, HAVERSINE(a.lat, a.lng, b.lat, b.lng) AS dist
FROM cities AS a, cities AS b
WHERE a.id = cityID
ORDER BY dist
LIMIT 10;
No, it is better practice to leave them out.
Without strip(), you can have empty keys and values:
apples<tab>round, fruity things
oranges<tab>round, fruity things
bananas<tab>
Without strip(), bananas is present in the dictionary but with an empty string as value. With strip(), this code will throw an exception because it strips the tab of the banana line.
@Xeon06, nice but just as a fyi for those that read this thread and tried like me...
when returning the array from php => json_encode($theArray)
. converts to a string which to me isn't easy to manipulate esp for soft js users like myself.
Inside js, you are trying to get the array values and/or keys of the array u r better off using JSON.parse as in var jsArray = JSON.parse(data)
where data is return array from php. the json encoded string is converted to js object that can now be manipulated easily.
e.g. foo={one:1, two:2, three:3} - gotten after JSON.parse
for (key in foo){ console.log("foo["+ key +"]="+ foo[key]) }
- prints to ur firebug console. voila!
If swfobject
won't suffice, or you need to create something a little more bespoke, try this:
var hasFlash = false;
try {
hasFlash = Boolean(new ActiveXObject('ShockwaveFlash.ShockwaveFlash'));
} catch(exception) {
hasFlash = ('undefined' != typeof navigator.mimeTypes['application/x-shockwave-flash']);
}
It works with 7 and 8.
Building on @Michael Kropat's answer I added a parameter to prepend the new path to the existing PATH
variable and a check to avoid the addition of a non-existing path:
function Add-EnvPath {
param(
[Parameter(Mandatory=$true)]
[string] $Path,
[ValidateSet('Machine', 'User', 'Session')]
[string] $Container = 'Session',
[Parameter(Mandatory=$False)]
[Switch] $Prepend
)
if (Test-Path -path "$Path") {
if ($Container -ne 'Session') {
$containerMapping = @{
Machine = [EnvironmentVariableTarget]::Machine
User = [EnvironmentVariableTarget]::User
}
$containerType = $containerMapping[$Container]
$persistedPaths = [Environment]::GetEnvironmentVariable('Path', $containerType) -split ';'
if ($persistedPaths -notcontains $Path) {
if ($Prepend) {
$persistedPaths = ,$Path + $persistedPaths | where { $_ }
[Environment]::SetEnvironmentVariable('Path', $persistedPaths -join ';', $containerType)
}
else {
$persistedPaths = $persistedPaths + $Path | where { $_ }
[Environment]::SetEnvironmentVariable('Path', $persistedPaths -join ';', $containerType)
}
}
}
$envPaths = $env:Path -split ';'
if ($envPaths -notcontains $Path) {
if ($Prepend) {
$envPaths = ,$Path + $envPaths | where { $_ }
$env:Path = $envPaths -join ';'
}
else {
$envPaths = $envPaths + $Path | where { $_ }
$env:Path = $envPaths -join ';'
}
}
}
}
Two options:
Firstly, you can escape it using a backslash -- \(
Alternatively, since it's a single character, you can put it in a character class, where it doesn't need to be escaped -- [(]
I think the best way is define a new property for Arrays
Object.defineProperty(Array.prototype, 'move', {
value: function (old_index, new_index) {
while (old_index < 0) {
old_index += this.length;
}
while (new_index < 0) {
new_index += this.length;
}
if (new_index >= this.length) {
let k = new_index - this.length;
while ((k--) + 1) {
this.push(undefined);
}
}
this.splice(new_index, 0, this.splice(old_index, 1)[0]);
return this;
}
});
console.log([10, 20, 30, 40, 50].move(0, 1)); // [20, 10, 30, 40, 50]
console.log([10, 20, 30, 40, 50].move(0, 2)); // [20, 30, 10, 40, 50]
Use the start and end delimiters: ^abc$
EXCLUDE="foo bar blah jah"
DEST=$1
for i in *
do
for x in $EXCLUDE
do
if [ $x != $i ]; then
cp -a $i $DEST
fi
done
done
Untested...
You can use resolve
:
angular.module('app',[])
.config(function($routeProvider)
{
$routeProvider
.when('/', {
templateUrl : 'app/views/login.html',
controller : 'YourController',
controllerAs : 'Your',
resolve: {
factory : checkLoginRedirect
}
})
}
And, the function of the resolve:
function checkLoginRedirect($location){
var user = firebase.auth().currentUser;
if (user) {
// User is signed in.
if ($location.path() == "/"){
$location.path('dash');
}
return true;
}else{
// No user is signed in.
$location.path('/');
return false;
}
}
Firebase also has a method that helps you install an observer, I advise installing it inside a .run
:
.run(function(){
firebase.auth().onAuthStateChanged(function(user) {
if (user) {
console.log('User is signed in.');
} else {
console.log('No user is signed in.');
}
});
}
Floating Point Exception happens because of an unexpected infinity or NaN. You can track that using gdb, which allows you to see what is going on inside your C program while it runs. For more details: https://www.cs.swarthmore.edu/~newhall/unixhelp/howto_gdb.php
In a nutshell, these commands might be useful...
gcc -g myprog.c
gdb a.out
gdb core a.out
ddd a.out
The fastest way is to do a*a
or a**2
or np.square(a)
whereas np.power(a, 2)
showed to be considerably slower.
np.power()
allows you to use different exponents for each element if instead of 2
you pass another array of exponents. From the comments of @GarethRees I just learned that this function will give you different results than a**2
or a*a
, which become important in cases where you have small tolerances.
I've timed some examples using NumPy 1.9.0 MKL 64 bit, and the results are shown below:
In [29]: a = np.random.random((1000, 1000))
In [30]: timeit a*a
100 loops, best of 3: 2.78 ms per loop
In [31]: timeit a**2
100 loops, best of 3: 2.77 ms per loop
In [32]: timeit np.power(a, 2)
10 loops, best of 3: 71.3 ms per loop
There is a way of doing this and it actually looks similar to R
new = old[['A', 'C', 'D']].copy()
Here you are just selecting the columns you want from the original data frame and creating a variable for those. If you want to modify the new dataframe at all you'll probably want to use .copy()
to avoid a SettingWithCopyWarning
.
An alternative method is to use filter
which will create a copy by default:
new = old.filter(['A','B','D'], axis=1)
Finally, depending on the number of columns in your original dataframe, it might be more succinct to express this using a drop
(this will also create a copy by default):
new = old.drop('B', axis=1)
To keep the changes from the commit you want to undo
git reset --soft HEAD^
To destroy the changes from the commit you want to undo
git reset --hard HEAD^
You can also say
git reset --soft HEAD~2
to go back 2 commits.
Edit: As charsi mentioned, if you are on Windows you will need to put HEAD or commit hash in quotes.
git reset --soft "HEAD^"
git reset --soft "asdf"
In the command prompt, type the command below and press Enter.
bcdedit /enum
Under the Windows Boot Loader sections, make note of the identifier value.
To start in safe mode from command prompt :
bcdedit /set {identifier} safeboot minimal
Then enter the command line to reboot your computer.
I find it easier using this formula
=IF(B2<>"",TEXT(ROW(A1),"IR-0000"),"")
Need to paste this formula at A2, that means when you are encoding data at B cell the A cell will automatically input the serial code and when there's no data the cell will stay blank....you can change the "IR" to any first letter code you want to be placed in your row.
Hope it helps
The code that is written in the question has a bug in it
Your arraylist contains strings of " 1" " 3" " 4" " 9" and " 2" (note the spaces)
So IndexOf(4) will find nothing because 4 is an int, and even "tostring" would convert it to of "4" and not " 4", and nothing will get removed.
An arraylist is the correct way to go to do what you want.
To get the keys on a deeper node in an JSON:
echo '{"data": "1", "user": { "name": 2, "phone": 3 } }' | jq '.user | keys[]'
"name"
"phone"
If you want to update to latest version and you don't know what is the latest version you can type.
pip install MySQL_python --upgrade
This will update the MySQL_python for latest version available, you can use for any other package version.
Right click on your project -> properties -> build path. Add to your build path jar
file(s) that have the javax.servlet
implemenation. Ite depends on your servlet container or application server what file(s) you need to include, so search for that information.
More easy by end()
function is an inbuilt function in PHP and is used to find the last element of the given array. The end() function changes the internal pointer of an array to point to the last element and returns the value of the last element.
Below is an example with non integer index:
<?php
$arr = array(
'first' =>
array('id' => 1, 'label' => 'one'),
'second' =>
array('id' => 2, 'label' => 'two'),
'last' =>
array('id' => 9, 'label' => 'nine')
);
$lastIndexArr = end($arr);
print_r($lastIndexArr);
Check here the last array as an output.
You could also just call to_a after each_byte or even better String#bytes
=> 'hello world'.each_byte.to_a
=> [104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100]
=> 'hello world'.bytes
=> [104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100]
JNDI Overview
JNDI is an API specified in Java technology that provides naming and directory functionality to applications written in the Java programming language. It is designed especially for the Java platform using Java's object model. Using JNDI, applications based on Java technology can store and retrieve named Java objects of any type. In addition, JNDI provides methods for performing standard directory operations, such as associating attributes with objects and searching for objects using their attributes.
JNDI is also defined independent of any specific naming or directory service implementation. It enables applications to access different, possibly multiple, naming and directory services using a common API. Different naming and directory service providers can be plugged in seamlessly behind this common API. This enables Java technology-based applications to take advantage of information in a variety of existing naming and directory services, such as LDAP, NDS, DNS, and NIS(YP), as well as enabling the applications to coexist with legacy software and systems.
Using JNDI as a tool, you can build new powerful and portable applications that not only take advantage of Java's object model but are also well-integrated with the environment in which they are deployed.
Java configuration for html files (in this case index.html):
@Configuration
@EnableWebMvc
public class DispatcherConfig extends WebMvcConfigurerAdapter {
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
registry.addResourceHandler("/index.html").addResourceLocations("/index.html");
}
}
You don't need to use display:inline
to achieve this:
.inline {
border: 1px solid red;
margin:10px;
float:left;/*Add float left*/
margin :10px;
}
You can use float-left
.
Using float:left is best way to place multiple div elements in one line. Why? Because inline-block does have some problem when is viewed in IE older versions.
Found this answer on a question listed as a duplicate. I find grep to be more admin-friendly than comm, so if you just want the set of matching lines (useful for comparing CSVs, for instance) simply use
grep -F -x -f file1 file2
or the simplified fgrep version
fgrep -xf file1 file2
Plus, you can use file2*
to glob and look for lines in common with multiple files, rather than just two.
Some other handy variations include
-n
flag to show the line number of each matched line-c
to only count the number of lines that match-v
to display only the lines in file2 that differ (or use diff
).Using comm
is faster, but that speed comes at the expense of having to sort your files first. It isn't very useful as a 'reverse diff'.
cart.push({"element":{ id: id, quantity: quantity }});
Javascript can be executed against the current page just by putting it in the URL address, e.g.
javascript:;alert(window.document.body.innerHTML);
javascript:;alert(window.document.body.childNodes[0].innerHTML);
Note: this was an experiment to see how UTF-8 encoding worked internally. The solution offered by vilicvane, to use a UTF8Encoding
object that is initialised to throw an exception on decoding failure, is much simpler, and basically does the same thing.
I wrote this piece of code to differentiate between UTF-8 and Windows-1252. It shouldn't be used for gigantic text files though, since it loads the entire thing into memory and scans it completely. I used it for .srt subtitle files, just to be able to save them back in the encoding in which they were loaded.
The encoding given to the function as ref should be the 8-bit fallback encoding to use in case the file is detected as not being valid UTF-8; generally, on Windows systems, this will be Windows-1252. This doesn't do anything fancy like checking actual valid ascii ranges though, and doesn't detect UTF-16 even on byte order mark.
The theory behind the bitwise detection can be found here: https://ianthehenry.com/2015/1/17/decoding-utf-8/
Basically, the bit range of the first byte determines how many after it are part of the UTF-8 entity. These bytes after it are always in the same bit range.
/// <summary>
/// Reads a text file, and detects whether its encoding is valid UTF-8 or ascii.
/// If not, decodes the text using the given fallback encoding.
/// Bit-wise mechanism for detecting valid UTF-8 based on
/// https://ianthehenry.com/2015/1/17/decoding-utf-8/
/// </summary>
/// <param name="docBytes">The bytes read from the file.</param>
/// <param name="encoding">The default encoding to use as fallback if the text is detected not to be pure ascii or UTF-8 compliant. This ref parameter is changed to the detected encoding.</param>
/// <returns>The contents of the read file, as String.</returns>
public static String ReadFileAndGetEncoding(Byte[] docBytes, ref Encoding encoding)
{
if (encoding == null)
encoding = Encoding.GetEncoding(1252);
Int32 len = docBytes.Length;
// byte order mark for utf-8. Easiest way of detecting encoding.
if (len > 3 && docBytes[0] == 0xEF && docBytes[1] == 0xBB && docBytes[2] == 0xBF)
{
encoding = new UTF8Encoding(true);
// Note that even when initialising an encoding to have
// a BOM, it does not cut it off the front of the input.
return encoding.GetString(docBytes, 3, len - 3);
}
Boolean isPureAscii = true;
Boolean isUtf8Valid = true;
for (Int32 i = 0; i < len; ++i)
{
Int32 skip = TestUtf8(docBytes, i);
if (skip == 0)
continue;
if (isPureAscii)
isPureAscii = false;
if (skip < 0)
{
isUtf8Valid = false;
// if invalid utf8 is detected, there's no sense in going on.
break;
}
i += skip;
}
if (isPureAscii)
encoding = new ASCIIEncoding(); // pure 7-bit ascii.
else if (isUtf8Valid)
encoding = new UTF8Encoding(false);
// else, retain given encoding. This should be an 8-bit encoding like Windows-1252.
return encoding.GetString(docBytes);
}
/// <summary>
/// Tests if the bytes following the given offset are UTF-8 valid, and
/// returns the amount of bytes to skip ahead to do the next read if it is.
/// If the text is not UTF-8 valid it returns -1.
/// </summary>
/// <param name="binFile">Byte array to test</param>
/// <param name="offset">Offset in the byte array to test.</param>
/// <returns>The amount of bytes to skip ahead for the next read, or -1 if the byte sequence wasn't valid UTF-8</returns>
public static Int32 TestUtf8(Byte[] binFile, Int32 offset)
{
// 7 bytes (so 6 added bytes) is the maximum the UTF-8 design could support,
// but in reality it only goes up to 3, meaning the full amount is 4.
const Int32 maxUtf8Length = 4;
Byte current = binFile[offset];
if ((current & 0x80) == 0)
return 0; // valid 7-bit ascii. Added length is 0 bytes.
Int32 len = binFile.Length;
for (Int32 addedlength = 1; addedlength < maxUtf8Length; ++addedlength)
{
Int32 fullmask = 0x80;
Int32 testmask = 0;
// This code adds shifted bits to get the desired full mask.
// If the full mask is [111]0 0000, then test mask will be [110]0 0000. Since this is
// effectively always the previous step in the iteration I just store it each time.
for (Int32 i = 0; i <= addedlength; ++i)
{
testmask = fullmask;
fullmask += (0x80 >> (i+1));
}
// figure out bit masks from level
if ((current & fullmask) == testmask)
{
if (offset + addedlength >= len)
return -1;
// Lookahead. Pattern of any following bytes is always 10xxxxxx
for (Int32 i = 1; i <= addedlength; ++i)
{
if ((binFile[offset + i] & 0xC0) != 0x80)
return -1;
}
return addedlength;
}
}
// Value is greater than the maximum allowed for utf8. Deemed invalid.
return -1;
}
Like others mentioned, your app runs in a sandboxed environment and you can use the documents directory to store images or other assets your app may use, eg. downloading offline-d files as user prefers - File System Basics - Apple Documentation - Which directory to use, for storing application specific files
Updated to swift 5, you can use one of these functions, as per requirement -
func getDocumentsDirectory() -> URL {
let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
return paths[0]
}
func getCacheDirectory() -> URL {
let paths = FileManager.default.urls(for: .cachesDirectory, in: .userDomainMask)
return paths[0]
}
func getApplicationSupportDirectory() -> URL {
let paths = FileManager.default.urls(for: .applicationSupportDirectory, in: .userDomainMask)
return paths[0]
}
Usage:
let urlPath = "https://jumpcloud.com/wp-content/uploads/2017/06/SSH-Keys.png" //Or string path to some URL of valid image, for eg.
if let url = URL(string: urlPath){
let destination = getDocumentsDirectory().appendingPathComponent(url.lastPathComponent)
do {
let data = try Data(contentsOf: url) //Synchronous call, just as an example
try data.write(to: destination)
} catch _ {
//Do something to handle the error
}
}
The debugger should automatically attach to the browser with Visual Studio 2012. You can use the debugger
keyword to halt at a certain point in the application or use the breakpoints
directly inside VS.
You can also detatch the default debugger in Visual Studio and use the Developer Tools which come pre loaded with Internet Explorer or FireBug etc.
To do this goto Visual Studio
-> Debug
-> Detatch All
and then click Start debugging in Internet Explorer
. You can then set breakpoints at this level.
tested fastest way to remove diacritics from the string that covers almost all characters is this. found highest performance among all the other methods
Diacritics Map
var diacriticsMap = {
'\u0041': 'A','\u24B6': 'A','\uFF21': 'A','\u00C0': 'A','\u00C1': 'A','\u00C2': 'A','\u1EA6': 'A','\u1EA4': 'A','\u1EAA': 'A','\u1EA8': 'A',
'\u00C3': 'A','\u0100': 'A','\u0102': 'A','\u1EB0': 'A','\u1EAE': 'A','\u1EB4': 'A','\u1EB2': 'A','\u0226': 'A','\u01E0': 'A','\u00C4': 'A',
'\u01DE': 'A','\u1EA2': 'A','\u00C5': 'A','\u01FA': 'A','\u01CD': 'A','\u0200': 'A','\u0202': 'A','\u1EA0': 'A','\u1EAC': 'A','\u1EB6': 'A',
'\u1E00': 'A','\u0104': 'A','\u023A': 'A','\u2C6F': 'A',
'\uA732': 'AA',
'\u00C6': 'AE','\u01FC': 'AE','\u01E2': 'AE',
'\uA734': 'AO',
'\uA736': 'AU',
'\uA738': 'AV','\uA73A': 'AV',
'\uA73C': 'AY',
'\u0042': 'B','\u24B7': 'B','\uFF22': 'B','\u1E02': 'B','\u1E04': 'B','\u1E06': 'B','\u0243': 'B','\u0182': 'B','\u0181': 'B',
'\u0043': 'C','\u24B8': 'C','\uFF23': 'C','\u0106': 'C','\u0108': 'C','\u010A': 'C','\u010C': 'C','\u00C7': 'C','\u1E08': 'C','\u0187': 'C',
'\u023B': 'C','\uA73E': 'C',
'\u0044': 'D','\u24B9': 'D','\uFF24': 'D','\u1E0A': 'D','\u010E': 'D','\u1E0C': 'D','\u1E10': 'D','\u1E12': 'D','\u1E0E': 'D','\u0110': 'D',
'\u018B': 'D','\u018A': 'D','\u0189': 'D','\uA779': 'D',
'\u01F1': 'DZ','\u01C4': 'DZ',
'\u01F2': 'Dz','\u01C5': 'Dz',
'\u0045': 'E','\u24BA': 'E','\uFF25': 'E','\u00C8': 'E','\u00C9': 'E','\u00CA': 'E','\u1EC0': 'E','\u1EBE': 'E','\u1EC4': 'E','\u1EC2': 'E',
'\u1EBC': 'E','\u0112': 'E','\u1E14': 'E','\u1E16': 'E','\u0114': 'E','\u0116': 'E','\u00CB': 'E','\u1EBA': 'E','\u011A': 'E','\u0204': 'E',
'\u0206': 'E','\u1EB8': 'E','\u1EC6': 'E','\u0228': 'E','\u1E1C': 'E','\u0118': 'E','\u1E18': 'E','\u1E1A': 'E','\u0190': 'E','\u018E': 'E',
'\u0046': 'F','\u24BB': 'F','\uFF26': 'F','\u1E1E': 'F','\u0191': 'F','\uA77B': 'F',
'\u0047': 'G','\u24BC': 'G','\uFF27': 'G','\u01F4': 'G','\u011C': 'G','\u1E20': 'G','\u011E': 'G','\u0120': 'G','\u01E6': 'G','\u0122': 'G',
'\u01E4': 'G','\u0193': 'G','\uA7A0': 'G','\uA77D': 'G','\uA77E': 'G',
'\u0048': 'H','\u24BD': 'H','\uFF28': 'H','\u0124': 'H','\u1E22': 'H','\u1E26': 'H','\u021E': 'H','\u1E24': 'H','\u1E28': 'H','\u1E2A': 'H',
'\u0126': 'H','\u2C67': 'H','\u2C75': 'H','\uA78D': 'H',
'\u0049': 'I','\u24BE': 'I','\uFF29': 'I','\u00CC': 'I','\u00CD': 'I','\u00CE': 'I','\u0128': 'I','\u012A': 'I','\u012C': 'I','\u0130': 'I',
'\u00CF': 'I','\u1E2E': 'I','\u1EC8': 'I','\u01CF': 'I','\u0208': 'I','\u020A': 'I','\u1ECA': 'I','\u012E': 'I','\u1E2C': 'I','\u0197': 'I',
'\u004A': 'J','\u24BF': 'J','\uFF2A': 'J','\u0134': 'J','\u0248': 'J',
'\u004B': 'K','\u24C0': 'K','\uFF2B': 'K','\u1E30': 'K','\u01E8': 'K','\u1E32': 'K','\u0136': 'K','\u1E34': 'K','\u0198': 'K','\u2C69': 'K',
'\uA740': 'K','\uA742': 'K','\uA744': 'K','\uA7A2': 'K',
'\u004C': 'L','\u24C1': 'L','\uFF2C': 'L','\u013F': 'L','\u0139': 'L','\u013D': 'L','\u1E36': 'L','\u1E38': 'L','\u013B': 'L','\u1E3C': 'L',
'\u1E3A': 'L','\u0141': 'L','\u023D': 'L','\u2C62': 'L','\u2C60': 'L','\uA748': 'L','\uA746': 'L','\uA780': 'L',
'\u01C7': 'LJ',
'\u01C8': 'Lj',
'\u004D': 'M','\u24C2': 'M','\uFF2D': 'M','\u1E3E': 'M','\u1E40': 'M','\u1E42': 'M','\u2C6E': 'M','\u019C': 'M',
'\u004E': 'N','\u24C3': 'N','\uFF2E': 'N','\u01F8': 'N','\u0143': 'N','\u00D1': 'N','\u1E44': 'N','\u0147': 'N','\u1E46': 'N','\u0145': 'N',
'\u1E4A': 'N','\u1E48': 'N','\u0220': 'N','\u019D': 'N','\uA790': 'N','\uA7A4': 'N',
'\u01CA': 'NJ',
'\u01CB': 'Nj',
'\u004F': 'O','\u24C4': 'O','\uFF2F': 'O','\u00D2': 'O','\u00D3': 'O','\u00D4': 'O','\u1ED2': 'O','\u1ED0': 'O','\u1ED6': 'O','\u1ED4': 'O',
'\u00D5': 'O','\u1E4C': 'O','\u022C': 'O','\u1E4E': 'O','\u014C': 'O','\u1E50': 'O','\u1E52': 'O','\u014E': 'O','\u022E': 'O','\u0230': 'O',
'\u00D6': 'O','\u022A': 'O','\u1ECE': 'O','\u0150': 'O','\u01D1': 'O','\u020C': 'O','\u020E': 'O','\u01A0': 'O','\u1EDC': 'O','\u1EDA': 'O',
'\u1EE0': 'O','\u1EDE': 'O','\u1EE2': 'O','\u1ECC': 'O','\u1ED8': 'O','\u01EA': 'O','\u01EC': 'O','\u00D8': 'O','\u01FE': 'O','\u0186': 'O',
'\u019F': 'O','\uA74A': 'O','\uA74C': 'O',
'\u01A2': 'OI',
'\uA74E': 'OO',
'\u0222': 'OU',
'\u0050': 'P','\u24C5': 'P','\uFF30': 'P','\u1E54': 'P','\u1E56': 'P','\u01A4': 'P','\u2C63': 'P','\uA750': 'P','\uA752': 'P','\uA754': 'P',
'\u0051': 'Q','\u24C6': 'Q','\uFF31': 'Q','\uA756': 'Q','\uA758': 'Q','\u024A': 'Q',
'\u0052': 'R','\u24C7': 'R','\uFF32': 'R','\u0154': 'R','\u1E58': 'R','\u0158': 'R','\u0210': 'R','\u0212': 'R','\u1E5A': 'R','\u1E5C': 'R',
'\u0156': 'R','\u1E5E': 'R','\u024C': 'R','\u2C64': 'R','\uA75A': 'R','\uA7A6': 'R','\uA782': 'R',
'\u0053': 'S','\u24C8': 'S','\uFF33': 'S','\u1E9E': 'S','\u015A': 'S','\u1E64': 'S','\u015C': 'S','\u1E60': 'S','\u0160': 'S','\u1E66': 'S',
'\u1E62': 'S','\u1E68': 'S','\u0218': 'S','\u015E': 'S','\u2C7E': 'S','\uA7A8': 'S','\uA784': 'S',
'\u0054': 'T','\u24C9': 'T','\uFF34': 'T','\u1E6A': 'T','\u0164': 'T','\u1E6C': 'T','\u021A': 'T','\u0162': 'T','\u1E70': 'T','\u1E6E': 'T',
'\u0166': 'T','\u01AC': 'T','\u01AE': 'T','\u023E': 'T','\uA786': 'T',
'\uA728': 'TZ',
'\u0055': 'U','\u24CA': 'U','\uFF35': 'U','\u00D9': 'U','\u00DA': 'U','\u00DB': 'U','\u0168': 'U','\u1E78': 'U','\u016A': 'U','\u1E7A': 'U',
'\u016C': 'U','\u00DC': 'U','\u01DB': 'U','\u01D7': 'U','\u01D5': 'U','\u01D9': 'U','\u1EE6': 'U','\u016E': 'U','\u0170': 'U','\u01D3': 'U',
'\u0214': 'U','\u0216': 'U','\u01AF': 'U','\u1EEA': 'U','\u1EE8': 'U','\u1EEE': 'U','\u1EEC': 'U','\u1EF0': 'U','\u1EE4': 'U','\u1E72': 'U',
'\u0172': 'U','\u1E76': 'U','\u1E74': 'U','\u0244': 'U',
'\u0056': 'V','\u24CB': 'V','\uFF36': 'V','\u1E7C': 'V','\u1E7E': 'V','\u01B2': 'V','\uA75E': 'V','\u0245': 'V',
'\uA760': 'VY',
'\u0057': 'W','\u24CC': 'W','\uFF37': 'W','\u1E80': 'W','\u1E82': 'W','\u0174': 'W','\u1E86': 'W','\u1E84': 'W','\u1E88': 'W','\u2C72': 'W',
'\u0058': 'X','\u24CD': 'X','\uFF38': 'X','\u1E8A': 'X','\u1E8C': 'X',
'\u0059': 'Y','\u24CE': 'Y','\uFF39': 'Y','\u1EF2': 'Y','\u00DD': 'Y','\u0176': 'Y','\u1EF8': 'Y','\u0232': 'Y','\u1E8E': 'Y','\u0178': 'Y',
'\u1EF6': 'Y','\u1EF4': 'Y','\u01B3': 'Y','\u024E': 'Y','\u1EFE': 'Y',
'\u005A': 'Z','\u24CF': 'Z','\uFF3A': 'Z','\u0179': 'Z','\u1E90': 'Z','\u017B': 'Z','\u017D': 'Z','\u1E92': 'Z','\u1E94': 'Z','\u01B5': 'Z',
'\u0224': 'Z','\u2C7F': 'Z','\u2C6B': 'Z','\uA762': 'Z',
'\u0061': 'a','\u24D0': 'a','\uFF41': 'a','\u1E9A': 'a','\u00E0': 'a','\u00E1': 'a','\u00E2': 'a','\u1EA7': 'a','\u1EA5': 'a','\u1EAB': 'a',
'\u1EA9': 'a','\u00E3': 'a','\u0101': 'a','\u0103': 'a','\u1EB1': 'a','\u1EAF': 'a','\u1EB5': 'a','\u1EB3': 'a','\u0227': 'a','\u01E1': 'a',
'\u00E4': 'a','\u01DF': 'a','\u1EA3': 'a','\u00E5': 'a','\u01FB': 'a','\u01CE': 'a','\u0201': 'a','\u0203': 'a','\u1EA1': 'a','\u1EAD': 'a',
'\u1EB7': 'a','\u1E01': 'a','\u0105': 'a','\u2C65': 'a','\u0250': 'a',
'\uA733': 'aa',
'\u00E6': 'ae','\u01FD': 'ae','\u01E3': 'ae',
'\uA735': 'ao',
'\uA737': 'au',
'\uA739': 'av','\uA73B': 'av',
'\uA73D': 'ay',
'\u0062': 'b','\u24D1': 'b','\uFF42': 'b','\u1E03': 'b','\u1E05': 'b','\u1E07': 'b','\u0180': 'b','\u0183': 'b','\u0253': 'b',
'\u0063': 'c','\u24D2': 'c','\uFF43': 'c','\u0107': 'c','\u0109': 'c','\u010B': 'c','\u010D': 'c','\u00E7': 'c','\u1E09': 'c','\u0188': 'c',
'\u023C': 'c','\uA73F': 'c','\u2184': 'c',
'\u0064': 'd','\u24D3': 'd','\uFF44': 'd','\u1E0B': 'd','\u010F': 'd','\u1E0D': 'd','\u1E11': 'd','\u1E13': 'd','\u1E0F': 'd','\u0111': 'd',
'\u018C': 'd','\u0256': 'd','\u0257': 'd','\uA77A': 'd',
'\u01F3': 'dz','\u01C6': 'dz',
'\u0065': 'e','\u24D4': 'e','\uFF45': 'e','\u00E8': 'e','\u00E9': 'e','\u00EA': 'e','\u1EC1': 'e','\u1EBF': 'e','\u1EC5': 'e','\u1EC3': 'e',
'\u1EBD': 'e','\u0113': 'e','\u1E15': 'e','\u1E17': 'e','\u0115': 'e','\u0117': 'e','\u00EB': 'e','\u1EBB': 'e','\u011B': 'e','\u0205': 'e',
'\u0207': 'e','\u1EB9': 'e','\u1EC7': 'e','\u0229': 'e','\u1E1D': 'e','\u0119': 'e','\u1E19': 'e','\u1E1B': 'e','\u0247': 'e','\u025B': 'e',
'\u01DD': 'e',
'\u0066': 'f','\u24D5': 'f','\uFF46': 'f','\u1E1F': 'f','\u0192': 'f','\uA77C': 'f',
'\u0067': 'g','\u24D6': 'g','\uFF47': 'g','\u01F5': 'g','\u011D': 'g','\u1E21': 'g','\u011F': 'g','\u0121': 'g','\u01E7': 'g','\u0123': 'g',
'\u01E5': 'g','\u0260': 'g','\uA7A1': 'g','\u1D79': 'g','\uA77F': 'g',
'\u0068': 'h','\u24D7': 'h','\uFF48': 'h','\u0125': 'h','\u1E23': 'h','\u1E27': 'h','\u021F': 'h','\u1E25': 'h','\u1E29': 'h','\u1E2B': 'h',
'\u1E96': 'h','\u0127': 'h','\u2C68': 'h','\u2C76': 'h','\u0265': 'h',
'\u0195': 'hv',
'\u0069': 'i','\u24D8': 'i','\uFF49': 'i','\u00EC': 'i','\u00ED': 'i','\u00EE': 'i','\u0129': 'i','\u012B': 'i','\u012D': 'i','\u00EF': 'i',
'\u1E2F': 'i','\u1EC9': 'i','\u01D0': 'i','\u0209': 'i','\u020B': 'i','\u1ECB': 'i','\u012F': 'i','\u1E2D': 'i','\u0268': 'i','\u0131': 'i',
'\u006A': 'j','\u24D9': 'j','\uFF4A': 'j','\u0135': 'j','\u01F0': 'j','\u0249': 'j',
'\u006B': 'k','\u24DA': 'k','\uFF4B': 'k','\u1E31': 'k','\u01E9': 'k','\u1E33': 'k','\u0137': 'k','\u1E35': 'k','\u0199': 'k','\u2C6A': 'k',
'\uA741': 'k','\uA743': 'k','\uA745': 'k','\uA7A3': 'k',
'\u006C': 'l','\u24DB': 'l','\uFF4C': 'l','\u0140': 'l','\u013A': 'l','\u013E': 'l','\u1E37': 'l','\u1E39': 'l','\u013C': 'l','\u1E3D': 'l',
'\u1E3B': 'l','\u017F': 'l','\u0142': 'l','\u019A': 'l','\u026B': 'l','\u2C61': 'l','\uA749': 'l','\uA781': 'l','\uA747': 'l',
'\u01C9': 'lj',
'\u006D': 'm','\u24DC': 'm','\uFF4D': 'm','\u1E3F': 'm','\u1E41': 'm','\u1E43': 'm','\u0271': 'm','\u026F': 'm',
'\u006E': 'n','\u24DD': 'n','\uFF4E': 'n','\u01F9': 'n','\u0144': 'n','\u00F1': 'n','\u1E45': 'n','\u0148': 'n','\u1E47': 'n','\u0146': 'n',
'\u1E4B': 'n','\u1E49': 'n','\u019E': 'n','\u0272': 'n','\u0149': 'n','\uA791': 'n','\uA7A5': 'n',
'\u01CC': 'nj',
'\u006F': 'o','\u24DE': 'o','\uFF4F': 'o','\u00F2': 'o','\u00F3': 'o','\u00F4': 'o','\u1ED3': 'o','\u1ED1': 'o','\u1ED7': 'o','\u1ED5': 'o',
'\u00F5': 'o','\u1E4D': 'o','\u022D': 'o','\u1E4F': 'o','\u014D': 'o','\u1E51': 'o','\u1E53': 'o','\u014F': 'o','\u022F': 'o','\u0231': 'o',
'\u00F6': 'o','\u022B': 'o','\u1ECF': 'o','\u0151': 'o','\u01D2': 'o','\u020D': 'o','\u020F': 'o','\u01A1': 'o','\u1EDD': 'o','\u1EDB': 'o',
'\u1EE1': 'o','\u1EDF': 'o','\u1EE3': 'o','\u1ECD': 'o','\u1ED9': 'o','\u01EB': 'o','\u01ED': 'o','\u00F8': 'o','\u01FF': 'o','\u0254': 'o',
'\uA74B': 'o','\uA74D': 'o','\u0275': 'o',
'\u01A3': 'oi',
'\u0223': 'ou',
'\uA74F': 'oo',
'\u0070': 'p','\u24DF': 'p','\uFF50': 'p','\u1E55': 'p','\u1E57': 'p','\u01A5': 'p','\u1D7D': 'p','\uA751': 'p','\uA753': 'p','\uA755': 'p',
'\u0071': 'q','\u24E0': 'q','\uFF51': 'q','\u024B': 'q','\uA757': 'q','\uA759': 'q',
'\u0072': 'r','\u24E1': 'r','\uFF52': 'r','\u0155': 'r','\u1E59': 'r','\u0159': 'r','\u0211': 'r','\u0213': 'r','\u1E5B': 'r','\u1E5D': 'r',
'\u0157': 'r','\u1E5F': 'r','\u024D': 'r','\u027D': 'r','\uA75B': 'r','\uA7A7': 'r','\uA783': 'r',
'\u0073': 's','\u24E2': 's','\uFF53': 's','\u00DF': 's','\u015B': 's','\u1E65': 's','\u015D': 's','\u1E61': 's','\u0161': 's','\u1E67': 's',
'\u1E63': 's','\u1E69': 's','\u0219': 's','\u015F': 's','\u023F': 's','\uA7A9': 's','\uA785': 's','\u1E9B': 's',
'\u0074': 't','\u24E3': 't','\uFF54': 't','\u1E6B': 't','\u1E97': 't','\u0165': 't','\u1E6D': 't','\u021B': 't','\u0163': 't','\u1E71': 't',
'\u1E6F': 't','\u0167': 't','\u01AD': 't','\u0288': 't','\u2C66': 't','\uA787': 't',
'\uA729': 'tz',
'\u0075': 'u','\u24E4': 'u','\uFF55': 'u','\u00F9': 'u','\u00FA': 'u','\u00FB': 'u','\u0169': 'u','\u1E79': 'u','\u016B': 'u','\u1E7B': 'u',
'\u016D': 'u','\u00FC': 'u','\u01DC': 'u','\u01D8': 'u','\u01D6': 'u','\u01DA': 'u','\u1EE7': 'u','\u016F': 'u','\u0171': 'u','\u01D4': 'u',
'\u0215': 'u','\u0217': 'u','\u01B0': 'u','\u1EEB': 'u','\u1EE9': 'u','\u1EEF': 'u','\u1EED': 'u','\u1EF1': 'u','\u1EE5': 'u','\u1E73': 'u',
'\u0173': 'u','\u1E77': 'u','\u1E75': 'u','\u0289': 'u',
'\u0076': 'v','\u24E5': 'v','\uFF56': 'v','\u1E7D': 'v','\u1E7F': 'v','\u028B': 'v','\uA75F': 'v','\u028C': 'v',
'\uA761': 'vy',
'\u0077': 'w','\u24E6': 'w','\uFF57': 'w','\u1E81': 'w','\u1E83': 'w','\u0175': 'w','\u1E87': 'w','\u1E85': 'w','\u1E98': 'w','\u1E89': 'w',
'\u2C73': 'w',
'\u0078': 'x','\u24E7': 'x','\uFF58': 'x','\u1E8B': 'x','\u1E8D': 'x',
'\u0079': 'y','\u24E8': 'y','\uFF59': 'y','\u1EF3': 'y','\u00FD': 'y','\u0177': 'y','\u1EF9': 'y','\u0233': 'y','\u1E8F': 'y','\u00FF': 'y',
'\u1EF7': 'y','\u1E99': 'y','\u1EF5': 'y','\u01B4': 'y','\u024F': 'y','\u1EFF': 'y',
'\u007A': 'z','\u24E9': 'z','\uFF5A': 'z','\u017A': 'z','\u1E91': 'z','\u017C': 'z','\u017E': 'z','\u1E93': 'z','\u1E95': 'z','\u01B6': 'z',
'\u0225': 'z','\u0240': 'z','\u2C6C': 'z','\uA763': 'z',
};
Use
function removeDicretics(str) {
return str.replace(/[^\u0000-\u007E]/g, function (weirdo) {
return diacriticsMap[weirdo] || weirdo;
});
}
// Call
var cleanStr = removeDicretics("bullshìt"); // bullshit
Aggregate means collection of something.
root is like top node of tree, from where we can access everything like <html>
node in web page document.
Blog Analogy, A user can have many posts and each post can have many comments. so if we fetch any user then it can act as root to access all the related posts and further comments of those posts. These are all together said to be collection or Aggregated
As many others have answered: Java doesn't support user-defined operator overloading.
Maybe this is off-topic, but I want to comment on some things I read in some answers.
About readability.
Compare:
Look again!
Which one is more readable?
A programming language that allows the creation of user-defined types, should allow them to act in the same way as the built-in types (or primitive types).
So Java breaks a fundamental principle of Generic Programming:
We should be able to interchange objects of built-in types with objects of user-defined types.
(You may be wondering: "Did he say 'objects of built-in'?". Yes, see here.)
About String concatenation:
Mathematicians use the symbol + for commutative operations on sets.
So we can be sure that a + b = b + a.
String concatenation (in most programming languages) doesn't respect this common mathematical notation.
a := "hello"; b := "world"; c := (a + b = b + a);
or in Java:
String a = "hello"; String b = "world"; boolean c = (a + b).equals(b + a);
Extra:
Notice how in Java equality and identity are confused.
The == (equality) symbol means:
a. Equality for primitive types.
b. Identity-check for user-defined types, therefore, we are forced to use the function equals() for equality.
But... What has this to do with operator overloading?
If the language allows the operator overloading the user could give the proper meaning to the equality operator.
In my case the data directory was automatically initialized with the --initialize-insecure
option. So /var/log/mysql/error.log
does not contain a temporary password but:
[Warning] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option.
What worked was:
shell> mysql -u root --skip-password
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'new_password';
Details: MySQL 5.7 Reference Manual > 2.10.4 Securing the Initial MySQL Account
For example folder named new under E: drive
type the command:
e:\cd new
e:\new\attrib *.* -s -h /s /d
and all the files and folders are un-hidden
So there might be a few things wrong here.
First start by reading how to use XMLHttpRequest.open()
because there's a third optional parameter for specifying whether to make an asynchronous request, defaulting to true. That means you're making an asynchronous request and need to specify a callback function before you do the send()
. Here's an example from MDN:
var oXHR = new XMLHttpRequest();
oXHR.open("GET", "http://www.mozilla.org/", true);
oXHR.onreadystatechange = function (oEvent) {
if (oXHR.readyState === 4) {
if (oXHR.status === 200) {
console.log(oXHR.responseText)
} else {
console.log("Error", oXHR.statusText);
}
}
};
oXHR.send(null);
Second, since you're getting a 101 error, you might use the wrong URL. So make sure that the URL you're making the request with is correct. Also, make sure that your server is capable of serving your quiz.xml
file.
You'll probably have to debug by simplifying/narrowing down where the problem is. So I'd start by making an easy synchronous request so you don't have to worry about the callback function. So here's another example from MDN for making a synchronous request:
var request = new XMLHttpRequest();
request.open('GET', 'file:///home/user/file.json', false);
request.send(null);
if (request.status == 0)
console.log(request.responseText);
Also, if you're just starting out with Javascript, you could refer to MDN for Javascript API documentation/examples/tutorials.
If you use the credential file at ~/.aws/credentials and use the default profile as below:
[default]
aws_access_key_id=<your access key>
aws_secret_access_key=<your secret access key>
You do not need to use BasicAWSCredential
or AWSCredentialsProvider
. The SDK can pick up the credentials from the default profile, just by initializing the client object with the default constructor. Example below:
AmazonEC2Client ec2Client = new AmazonEC2Client();
In addition sometime you would need to initialize the client with the ClientConfiguration to provide proxy settings etc. Example below.
ClientConfiguration clientConfiguration = new ClientConfiguration();
clientConfiguration.setProxyHost("proxyhost");
clientConfiguration.setProxyPort(proxyport);
AmazonEC2Client ec2Client = new AmazonEC2Client(clientConfiguration);
This worked for me:
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_newarea);
btnSave = (Button)findViewById(R.id.btnSave);
OnClickListener btnListener = new OnClickListener() {
@Override
public void onClick(android.view.View view) {
finish();
}
};
btnSave.setOnClickListener(btnListener);
}
One more option is WinRun4J. This is a configurable java launcher that doubles as a windows service host (both 32 and 64 bit versions). It is open source and there are no restrictions on its use.
(full disclosure: I work on this project).
Just add this section to server, just before the location / {
location /your/folder/to/browse/ {
autoindex on;
}
Gestures are those subtle motions to trigger interactions between the touch screen and the user. It lasts for the time between the first touch on the screen to the point when the last finger leaves the surface.
Android provides us with a class called GestureDetector using which we can detect common gestures like tapping down and up, swiping vertically and horizontally (fling), long and short press, double taps, etc. and attach listeners to them.
Make our Activity class implement GestureDetector.OnDoubleTapListener (for double tap gesture detection) and GestureDetector.OnGestureListener interfaces and implement all the abstract methods.For more info. you may visit https://developer.android.com/training/gestures/detector.html . Courtesy
For Demo Test.GestureDetectorDemo
This adds the index as a dataframe column, drops duplicates on that, then removes the new column:
df = df.reset_index().drop_duplicates(subset='index', keep='last').set_index('index').sort_index()
Note that the use of .sort_index()
above at the end is as needed and is optional.
System.IO.File.WriteAllText (@"D:\path.txt", contents);
myNode.querySelectorAll('*').forEach( n => n.remove() );
This answers the question, and removes “all child nodes”.
If there are text nodes belonging to myNode
they can’t be selected with CSS selectors, in this case we’ve to apply (also):
myNode.textContent = '';
Actually the last one could be the fastest and more effective/efficient solution.
.textContent
is more efficient than .innerText
and .innerHTML
, see: MDN
answer 1
answer 2
simply press Alt+F5 after updating your pom.xml. This will build your project again and download all jar files
Benoit's solution works, but you really don't need to incur the overhead to draw a shape. Since colors can be drawables, just define a color in a /res/values/colors.xml file:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="semitransparent_white">#77ffffff</color>
</resources>
And then use as such in your selector:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_pressed="true"
android:drawable="@color/semitransparent_white" />
</selector>
In addition to the other answers. You can debug react-native using the debugger statement
example:
debugger; //breaks execution
Your chrome dev tools must be open for this to work
The directory where st.rb
lives is most likely not on your load path.
Assuming that st.rb
is located in a directory called lib
relative to where you invoke irb
, you can add that lib
directory to the list of directories that ruby uses to load classes or modules with this:
$: << 'lib'
For example, in order to call the module called 'foobar' (foobar.rb) that lives in the lib
directory, I would need to first add the lib
directory to the list of load path. Here, I am just appending the lib
directory to my load path:
irb(main):001:0> require 'foobar'
LoadError: no such file to load -- foobar
from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
from (irb):1
irb(main):002:0> $:
=> ["/usr/lib/ruby/gems/1.8/gems/spoon-0.0.1/lib", "/usr/lib/ruby/gems/1.8/gems/interactive_editor-0.0.10/lib", "/usr/lib/ruby/site_ruby/1.8", "/usr/lib/ruby/site_ruby/1.8/i386-cygwin", "/usr/lib/ruby/site_ruby", "/usr/lib/ruby/vendor_ruby/1.8", "/usr/lib/ruby/vendor_ruby/1.8/i386-cygwin", "/usr/lib/ruby/vendor_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i386-cygwin", "."]
irb(main):004:0> $: << 'lib'
=> ["/usr/lib/ruby/gems/1.8/gems/spoon-0.0.1/lib", "/usr/lib/ruby/gems/1.8/gems/interactive_editor-0.0.10/lib", "/usr/lib/ruby/site_ruby/1.8", "/usr/lib/ruby/site_ruby/1.8/i386-cygwin", "/usr/lib/ruby/site_ruby", "/usr/lib/ruby/vendor_ruby/1.8", "/usr/lib/ruby/vendor_ruby/1.8/i386-cygwin", "/usr/lib/ruby/vendor_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i386-cygwin", ".", "lib"]
irb(main):005:0> require 'foobar'
=> true
EDIT
Sorry, I completely missed the fact that you are using ruby 1.9.x. All accounts report that your current working directory has been removed from LOAD_PATH
for security reasons, so you will have to do something like in irb
:
$: << "."
The Java 8 way:
properties.entrySet().stream().collect(
Collectors.toMap(
e -> e.getKey().toString(),
e -> e.getValue().toString()
)
);
<<
is the left-shift operator, as it is in many other languages.
Here RAM_DEPTH
will be 1
left-shifted by 8 bits
, which is equivalent to 2^8
, or 256
.
I personally found Josh's jQuery-based answer above to be the best I saw, and worked perfectly for my application... of course, I was already using jQuery... I certainly wouldn't have included the whole jQ library just for that one purpose.
Cheers!
EDIT: OK... so mere seconds after posting this, I saw another answer just below mine (not sure if still below me after an edit) that said to use:
document.getElementById('your_element_ID_here').scrollIntoView();
This works perfectly and in so much less code than the jQuery version! I had no idea that there was a built-in function in JS called .scrollIntoView(), but there it is! So, if you want the fancy animation, go jQuery. Quick n' dirty... use this one!
Shawn Wildermuth has a nice guide here: https://wildermuth.com/2017/11/19/ASP-NET-Core-2-0-and-the-End-of-Bower
The article links to the gulpfile on GitHub where he's implemented the strategy in the article. You could just copy and paste most of the gulpfile contents into yours, but be sure to add the appropriate packages in package.json under devDependencies: gulp gulp-uglify gulp-concat rimraf merge-stream
I also had an issue with multiline strings in this scenario. @Iman's backtick(`) solution worked great in the modern browsers but caused an invalid character error in Internet Explorer. I had to use the following:
'@item.MultiLineString.Replace(Environment.NewLine, "<br />")'
Then I had to put the carriage returns back again in the js function. Had to use RegEx to handle multiple carriage returns.
// This will work for the following:
// "hello\nworld"
// "hello<br>world"
// "hello<br />world"
$("#MyTextArea").val(multiLineString.replace(/\n|<br\s*\/?>/gi, "\r"));
$encoded_data = base64_encode(file_get_contents('path-to-your-image.jpg'));
The only reason that I know of why a formula wouldn't be available to summarize on is if it didn't reference any database fields or whose value wasn't dynamic throughout sections of the report. For example, if you have a formula that returns a constant it won't be available. Or if it only references a field that is set throughout the report and returns a value based on that field, like "if {parameter}=1 then 1" would not be available either.
In general, the formula's value should not be static through the sections of the report you're summarizing over (Though the way Crystal determines this is beyond me and this doesn't seem to be a hard and fast rule)
EDIT: One other reason why a formula wouldn't be available is if you're already using a summary function in that formula. Only one level of summaries at a time!
500 Internal Error
Windows Hosting Error
Godaddy Hosting issue
I have been facing the same issue, but now my issue has been resolved. Always use in this hosting this it works.
I will also recommend you all to do whatever changes you are looking to make in your web.config file. Please do it one by one and test the same on the live domain so that you can find the exact problem or the features that your hosting provider does not allow you to use.
<?xml version="1.0"?>
<configuration>
<system.web>
<trust level="Medium"/>
<compilation debug="true" targetFramework="4.5">
<assemblies>
<add assembly="System.Data.Linq, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
</assemblies>
</compilation>
<httpRuntime targetFramework="4.5" />
<sessionState mode="InProc" cookieless="false" timeout="90" />
<authentication mode="Forms">
<forms loginUrl="default.aspx"
defaultUrl="default.aspx"
protection="All"
cookieless="UseCookies"
slidingExpiration="false"
timeout="30"
name="aeon.corpusjuris.in" />
</authentication>
<customErrors
mode="Off"
defaultRedirect="errorpage.aspx">
<error statusCode="403" redirect="errorpage.aspx"/>
<error statusCode="404" redirect="errorpage.aspx"/>
</customErrors>
<!-- <httpModules>
<add name="HTTPCaching" type="HTTPCaching"/>
</httpModules>
-->
</system.web>
<runtime>
<performanceScenario value="HighDensityWebHosting" />
</runtime>
<system.webServer>
<!-- <modules runAllManagedModulesForAllRequests="true">
<add name="HTTPCaching" type="HTTPCaching"/>
</modules>
-->
<defaultDocument>
<files>
<clear />
<add value="default.aspx" />
</files>
</defaultDocument>
<httpErrors errorMode="Detailed" />
<asp scriptErrorSentToBrowser="true"/>
<staticContent>
<clientCache cacheControlCustom="public"
cacheControlMaxAge="60:00:00"
cacheControlMode="UseMaxAge" />
</staticContent>
</system.webServer>
<system.web.extensions>
<scripting>
<webServices>
<jsonSerialization maxJsonLength="90000000">
</jsonSerialization>
</webServices>
</scripting>
</system.web.extensions>
</configuration>
I believe that codex.wordpress.org is your best reference to handle this task very well depends on your needs
check out these two pages on WordPress Codex:
setDatabasePath() method was deprecated in API level 19. I advise you to use storage locale like this:
webView.getSettings().setDomStorageEnabled(true);
webView.getSettings().setDatabaseEnabled(true);
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
webView.getSettings().setDatabasePath("/data/data/" + webView.getContext().getPackageName() + "/databases/");
}
Is there a name to describe this idiom?
In UML it is called aggregation. It differs from composition in that the member object is not owned by the referring class. In C++ you can implement aggregation in two different ways, through references or pointers.
I am assuming it is to prevent the possibly large overhead of copying a big complex object?
No, that would be a really bad reason to use this. The main reason for aggregation is that the contained object is not owned by the containing object and thus their lifetimes are not bound. In particular the referenced object lifetime must outlive the referring one. It might have been created much earlier and might live beyond the end of the lifetime of the container. Besides that, the state of the referenced object is not controlled by the class, but can change externally. If the reference is not const
, then the class can change the state of an object that lives outside of it.
Is this generally good practice? Are there any pitfalls to this approach?
It is a design tool. In some cases it will be a good idea, in some it won't. The most common pitfall is that the lifetime of the object holding the reference must never exceed the lifetime of the referenced object. If the enclosing object uses the reference after the referenced object was destroyed, you will have undefined behavior. In general it is better to prefer composition to aggregation, but if you need it, it is as good a tool as any other.
I've resolved this using:
.element:before {
font-family: "Font Awesome 5 Free" , "CircularStd";
content: "\f017" " Date";
}
Using the font family "font awesome 5 free" for the icon, and after, We have to specify the font that we are using again because if we doesn't do this, navigator will use the default font (times new roman or something like this).
In this particular case (assuming that the Class#forName()
didn't throw an exception; your code is namely continuing with running instead of throwing the exception), this SQLException
means that Driver#acceptsURL()
has returned false
for any of the loaded drivers.
And indeed, your JDBC URL is wrong:
String url = "'jdbc:mysql://localhost:3306/mysql";
Remove the singlequote:
String url = "jdbc:mysql://localhost:3306/mysql";
An even easy way to do it is:
<style name="WindowAnimationTransition"> <item name="android:windowEnterAnimation">@android:anim/fade_in</item> <item name="android:windowExitAnimation">@android:anim/fade_out</item> </style>
<style name="AppBaseTheme" parent="Theme.Material.Light.DarkActionBar"> <item name="android:windowAnimationStyle">@style/WindowAnimationTransition</item> </style>
That's it :)
I've come up with this:
String url = "http://www.example.com/some/path/to/a/file.xml";
String file = url.substring(url.lastIndexOf('/')+1, url.lastIndexOf('.'));
Alternatively, in plain text: (also available as a a screenshot)
Bracket Matching -. .- Line Numbering
Smart Indent -. | | .- UML Editing / Viewing
Source Control Integration -. | | | | .- Code Folding
Error Markup -. | | | | | | .- Code Templates
Integrated Python Debugging -. | | | | | | | | .- Unit Testing
Multi-Language Support -. | | | | | | | | | | .- GUI Designer (Qt, Eric, etc)
Auto Code Completion -. | | | | | | | | | | | | .- Integrated DB Support
Commercial/Free -. | | | | | | | | | | | | | | .- Refactoring
Cross Platform -. | | | | | | | | | | | | | | | |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
Atom |Y |F |Y |Y*|Y |Y |Y |Y |Y |Y | |Y |Y | | | | |*many plugins
Editra |Y |F |Y |Y | | |Y |Y |Y |Y | |Y | | | | | |
Emacs |Y |F |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y | | | |
Eric Ide |Y |F |Y | |Y |Y | |Y | |Y | |Y | |Y | | | |
Geany |Y |F |Y*|Y | | | |Y |Y |Y | |Y | | | | | |*very limited
Gedit |Y |F |Y¹|Y | | | |Y |Y |Y | | |Y²| | | | |¹with plugin; ²sort of
Idle |Y |F |Y | |Y | | |Y |Y | | | | | | | | |
IntelliJ |Y |CF|Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |
JEdit |Y |F | |Y | | | | |Y |Y | |Y | | | | | |
KDevelop |Y |F |Y*|Y | | |Y |Y |Y |Y | |Y | | | | | |*no type inference
Komodo |Y |CF|Y |Y |Y |Y |Y |Y |Y |Y | |Y |Y |Y | |Y | |
NetBeans* |Y |F |Y |Y |Y | |Y |Y |Y |Y |Y |Y |Y |Y | | |Y |*pre-v7.0
Notepad++ |W |F |Y |Y | |Y*|Y*|Y*|Y |Y | |Y |Y*| | | | |*with plugin
Pfaide |W |C |Y |Y | | | |Y |Y |Y | |Y |Y | | | | |
PIDA |LW|F |Y |Y | | | |Y |Y |Y | |Y | | | | | |VIM based
PTVS |W |F |Y |Y |Y |Y |Y |Y |Y |Y | |Y | | |Y*| |Y |*WPF bsed
PyCharm |Y |CF|Y |Y*|Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |*JavaScript
PyDev (Eclipse) |Y |F |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y | | | |
PyScripter |W |F |Y | |Y |Y | |Y |Y |Y | |Y |Y |Y | | | |
PythonWin |W |F |Y | |Y | | |Y |Y | | |Y | | | | | |
SciTE |Y |F¹| |Y | |Y | |Y |Y |Y | |Y |Y | | | | |¹Mac version is
ScriptDev |W |C |Y |Y |Y |Y | |Y |Y |Y | |Y |Y | | | | | commercial
Spyder |Y |F |Y | |Y |Y | |Y |Y |Y | | | | | | | |
Sublime Text |Y |CF|Y |Y | |Y |Y |Y |Y |Y | |Y |Y |Y*| | | |extensible w/Python,
TextMate |M |F | |Y | | |Y |Y |Y |Y | |Y |Y | | | | | *PythonTestRunner
UliPad |Y |F |Y |Y |Y | | |Y |Y | | | |Y |Y | | | |
Vim |Y |F |Y |Y |Y |Y |Y |Y |Y |Y | |Y |Y |Y | | | |
Visual Studio |W |CF|Y |Y |Y |Y |Y |Y |Y |Y |? |Y |? |? |Y |? |Y |
Visual Studio Code|Y |F |Y |Y |Y |Y |Y |Y |Y |Y |? |Y |? |? |? |? |Y |uses plugins
WingIde |Y |C |Y |Y*|Y |Y |Y |Y |Y |Y | |Y |Y |Y | | | |*support for C
Zeus |W |C | | | | |Y |Y |Y |Y | |Y |Y | | | | |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
Cross Platform -' | | | | | | | | | | | | | | | |
Commercial/Free -' | | | | | | | | | | | | | | '- Refactoring
Auto Code Completion -' | | | | | | | | | | | | '- Integrated DB Support
Multi-Language Support -' | | | | | | | | | | '- GUI Designer (Qt, Eric, etc)
Integrated Python Debugging -' | | | | | | | | '- Unit Testing
Error Markup -' | | | | | | '- Code Templates
Source Control Integration -' | | | | '- Code Folding
Smart Indent -' | | '- UML Editing / Viewing
Bracket Matching -' '- Line Numbering
Acronyms used:
L - Linux
W - Windows
M - Mac
C - Commercial
F - Free
CF - Commercial with Free limited edition
? - To be confirmed
I don't mention basics like syntax highlighting as I expect these by default.
This is a just dry list reflecting your feedback and comments, I am not advocating any of these tools. I will keep updating this list as you keep posting your answers.
PS. Can you help me to add features of the above editors to the list (like auto-complete, debugging, etc.)?
We have a comprehensive wiki page for this question https://wiki.python.org/moin/IntegratedDevelopmentEnvironments
As the others said, you can use Firebug, and that will sort you out no worries on Firefox. Chrome & Safari both have a built-in developer console which has an almost identical interface to Firebug's console, so your code should be portable across those browsers. For other browsers, there's Firebug Lite.
If Firebug isn't an option for you, then try this simple script:
function dump(obj) {
var out = '';
for (var i in obj) {
out += i + ": " + obj[i] + "\n";
}
alert(out);
// or, if you wanted to avoid alerts...
var pre = document.createElement('pre');
pre.innerHTML = out;
document.body.appendChild(pre)
}
I'd recommend against alerting each individual property: some objects have a LOT of properties and you'll be there all day clicking "OK", "OK", "OK", "O... dammit that was the property I was looking for".
In case \n or \r is not working and if you are working with uiwebview and trying to load html using < br > tag to insert new line. Don't just use < br > tag in NSString stringWithFormat.
Instead use the same by appending. i.e by using stringByAppendingString
yourNSString = [yourNSString stringByAppendingString:@"<br>"];
At first I thought the Paste Special was the holy grail! But then I tried it and my hair turned white just like the Indiana Jones movie.
But now I use http://xmltocsharp.azurewebsites.net/ and now I'm as young as ever.
Here's a segment of what it generated:
namespace Xml2CSharp
{
[XmlRoot(ElementName="entry")]
public class Entry {
[XmlElement(ElementName="hybrisEntryID")]
public string HybrisEntryID { get; set; }
[XmlElement(ElementName="mapicsLineSequenceNumber")]
public string MapicsLineSequenceNumber { get; set; }
Or if one want to use lambda
function in the apply
function:
data['Revenue']=data['Revenue'].apply(lambda x:float(x.replace("$","").replace(",", "").replace(" ", "")))
if anybody wants to clear out only a particular form control one can use
formSubmit(){
this.formName.patchValue({
formControlName:''
//or if one wants to change formControl to a different value on submit
formControlName:'form value after submission'
});
}
Please check this function - it converts timedelta object into string 'HH:MM:SS'
def format_timedelta(td):
hours, remainder = divmod(td.total_seconds(), 3600)
minutes, seconds = divmod(remainder, 60)
hours, minutes, seconds = int(hours), int(minutes), int(seconds)
if hours < 10:
hours = '0%s' % int(hours)
if minutes < 10:
minutes = '0%s' % minutes
if seconds < 10:
seconds = '0%s' % seconds
return '%s:%s:%s' % (hours, minutes, seconds)
Hello I am trying to add new session values in node js like
req.session.portal = false
Passport.authenticate('facebook', (req, res, next) => {
next()
})(req, res, next)
On passport strategies I am not getting portal value in mozilla request but working fine with chrome and opera
FacebookStrategy: new PassportFacebook.Strategy({
clientID: Configuration.SocialChannel.Facebook.AppId,
clientSecret: Configuration.SocialChannel.Facebook.AppSecret,
callbackURL: Configuration.SocialChannel.Facebook.CallbackURL,
profileFields: Configuration.SocialChannel.Facebook.Fields,
scope: Configuration.SocialChannel.Facebook.Scope,
passReqToCallback: true
}, (req, accessToken, refreshToken, profile, done) => {
console.log(JSON.stringify(req.session));
You can always do
git clone git://repo.org/fossproject.git && rm -rf fossproject/.git
','.join(list)
will work only if all the items in the list are strings. If you are looking to convert a list of numbers to a comma separated string. such as a = [1, 2, 3, 4]
into '1,2,3,4'
then you can either
str(a)[1:-1] # '1, 2, 3, 4'
or
str(a).lstrip('[').rstrip(']') # '1, 2, 3, 4'
although this won't remove any nested list.
To convert it back to a list
a = '1,2,3,4'
import ast
ast.literal_eval('['+a+']')
#[1, 2, 3, 4]
Is there any advantage in creating a temporary file in a more careful way
The temporary files are usually created in the temporary directory (such as /tmp
) where all other users and processes has read and write access (any other script can create the new files there). Therefore the script should be careful about creating the files such as using with the right permissions (e.g. read only for the owner, see: help umask
) and filename should be be not easily guessed (ideally random). Otherwise if the filenames aren't unique, it can create conflict with the same script ran multiple times (e.g. race condition) or some attacker could either hijack some sensitive information (e.g. when permissions are too open and filename is easy to guess) or create/replacing the file with their own version of the code (like replacing the commands or SQL queries depending on what is being stored).
You could use the following approach to create the temporary directory:
TMPDIR=".${0##*/}-$$" && mkdir -v "$TMPDIR"
or temporary file:
TMPFILE=".${0##*/}-$$" && touch "$TMPFILE"
However it is still predictable and not considered safe.
As per man mktemp
, we can read:
Traditionally, many shell scripts take the name of the program with the pid as a suffix and use that as a temporary file name. This kind of naming scheme is predictable and the race condition it creates is easy for an attacker to win.
So to be safe, it is recommended to use mktemp
command to create unique temporary file or directory (-d
).
Depending how you want to implement it (if there was a specific location you wanted the scripts) you could implement a @section
within your _Layout
which would enable you to add additional scripts from the view itself, while still retaining structure. e.g.
<!DOCTYPE html>
<html>
<head>
<title>...</title>
<script src="@Url.Content("~/Scripts/jquery.min.js")"></script>
@RenderSection("Scripts",false/*required*/)
</head>
<body>
@RenderBody()
</body>
</html>
@model MyNamespace.ViewModels.WhateverViewModel
@section Scripts
{
<script src="@Url.Content("~/Scripts/jqueryFoo.js")"></script>
}
Otherwise, what you have is fine. If you don't mind it being "inline" with the view that was output, you can place the <script>
declaration within the view.
There is a maven plugin called properties-maven-plugin this one provides a goal set-system-properties
to set system variables. This is especially useful if you have a file containing all these properties. So you're able to read a property file and set them as system variable.
FOO='BAR * BAR'
echo "$FOO"
This problem solved with
"Origin, X-Requested-With, Content-Type, Accept, Authorization"
Particular in my project (express.js/nodejs)
app.use(function(req, res, next) {
res.header("Access-Control-Allow-Origin", "*");
res.header("Access-Control-Allow-Methods", "GET,HEAD,OPTIONS,POST,PUT");
res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept, Authorization");
next();
});
Update:
Every time error: Access-Control-Allow-Headers is not allowed by itself in preflight response
error you can see what wrong with chrome developer tool:
above error is missing Content-Type
so add string Content-Type
to Access-Control-Allow-Headers
To be Honest All Are good but it will be easy if or more efficient if someone use n time numbers and show them in out put.so prefer this will be a good option. Do not predefined array variable let user define and show the result. Like this..
int main()
{
int i,j,n,t;
int arry[100];
scanf("%d",&n);
for (i=0;i<n;i++)
{ scanf("%d",&t);
arry[i]=t;
}
for(j=0;j<n;j++)
printf("%d",arry[j]);
return 0;
}
Note that exit codes != 0 are used to report error. So, it's better to do:
retVal=$?
if [ $retVal -ne 0 ]; then
echo "Error"
fi
exit $retVal
instead of
# will fail for error codes > 1
retVal=$?
if [ $retVal -eq 1 ]; then
echo "Error"
fi
exit $retVal
img need src to use border is remover, i no know a why css is crazy
data:image/gif;base64,R0lGODlhAQABAPcAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAAP8ALAAAAAABAAEAAAgEAP8FBAA7
So try example with SRC:
img.logo {_x000D_
width: 200px;_x000D_
height: 50px;_x000D_
background: url(http://cdn.sstatic.net/Sites/stackoverflow/img/sprites.svg) no-repeat top left;_x000D_
}
_x000D_
<img class="logo" src="data:image/gif;base64,R0lGODlhAQABAPcAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAAP8ALAAAAAABAAEAAAgEAP8FBAA7">
_x000D_
So try example without SRC:
img.logo {_x000D_
width: 200px;_x000D_
height: 50px;_x000D_
background: url(http://cdn.sstatic.net/Sites/stackoverflow/img/sprites.svg) no-repeat top left;_x000D_
}
_x000D_
<img class="logo">
_x000D_
lol... css crazy! good fun
I am using this collection, when I worked in small elements collection.
Where elements lot, I think need use "Dictionary". My code:
NameValueCollection ProdIdes;
string prodId = _cfg.ProdIdes[key];
if (string.IsNullOrEmpty(prodId))
{
......
}
Or may be use this:
string prodId = _cfg.ProdIdes[key] !=null ? "found" : "not found";
Google's Guava library handles this in the IntMath class:
IntMath.divide(numerator, divisor, RoundingMode.CEILING);
Unlike many answers here, it handles negative numbers. It also throws an appropriate exception when attempting to divide by zero.
The approach you're looking for is FillDown
. Another way so you don't have to kick your head off every time is to store formulas in an array of strings. Combining them gives you a powerful method of inputting formulas by the multitude. Code follows:
Sub FillDown()
Dim strFormulas(1 To 3) As Variant
With ThisWorkbook.Sheets("Sheet1")
strFormulas(1) = "=SUM(A2:B2)"
strFormulas(2) = "=PRODUCT(A2:B2)"
strFormulas(3) = "=A2/B2"
.Range("C2:E2").Formula = strFormulas
.Range("C2:E11").FillDown
End With
End Sub
Screenshots:
Result as of line: .Range("C2:E2").Formula = strFormulas
:
Result as of line: .Range("C2:E11").FillDown
:
Of course, you can make it dynamic by storing the last row into a variable and turning it to something like .Range("C2:E" & LRow).FillDown
, much like what you did.
Hope this helps!
country.code
is not in your group by
statement, and is not an aggregate (wrapped in an aggregate function).
class Program
{
List<Employee> listOfEmp = new List<Employee>();
List<Department> listOfDepart = new List<Department>();
public Program()
{
listOfDepart = new List<Department>(){
new Department { Id = 1, DeptName = "DEV" },
new Department { Id = 2, DeptName = "QA" },
new Department { Id = 3, DeptName = "BUILD" },
new Department { Id = 4, DeptName = "SIT" }
};
listOfEmp = new List<Employee>(){
new Employee { Empid = 1, Name = "Manikandan",DepartmentId=1 },
new Employee { Empid = 2, Name = "Manoj" ,DepartmentId=1},
new Employee { Empid = 3, Name = "Yokesh" ,DepartmentId=0},
new Employee { Empid = 3, Name = "Purusotham",DepartmentId=0}
};
}
static void Main(string[] args)
{
Program ob = new Program();
ob.LeftJoin();
Console.ReadLine();
}
private void LeftJoin()
{
listOfEmp.GroupJoin(listOfDepart.DefaultIfEmpty(), x => x.DepartmentId, y => y.Id, (x, y) => new { EmpId = x.Empid, EmpName = x.Name, Dpt = y.FirstOrDefault() != null ? y.FirstOrDefault().DeptName : null }).ToList().ForEach
(z =>
{
Console.WriteLine("Empid:{0} EmpName:{1} Dept:{2}", z.EmpId, z.EmpName, z.Dpt);
});
}
}
class Employee
{
public int Empid { get; set; }
public string Name { get; set; }
public int DepartmentId { get; set; }
}
class Department
{
public int Id { get; set; }
public string DeptName { get; set; }
}
If you have this setup
/app
/public/index.html
/media
Then this should get what you wanted
var express = require('express');
//var server = express.createServer();
// express.createServer() is deprecated.
var server = express(); // better instead
server.configure(function(){
server.use('/media', express.static(__dirname + '/media'));
server.use(express.static(__dirname + '/public'));
});
server.listen(3000);
The trick is leaving this line as last fallback
server.use(express.static(__dirname + '/public'));
As for documentation, since Express uses connect middleware, I found it easier to just look at the connect source code directly.
For example this line shows that index.html is supported https://github.com/senchalabs/connect/blob/2.3.3/lib/middleware/static.js#L140
Recently upgraded to VS 2017 15.5.0 and came across this problem. I tried:
Sadly, none of these worked. I noticed that this was only happening on some projects and not others. On the project where it was failing, I ended up switching all of the framework versions to 4.7.1, did a clean/rebuild and my "Go to Definition" started working again.
If in every li you have only one row of text you can put text indent on li. Like this :
ul {
list-style: disc;
}
ul li {
text-indent: 5px;
}
or
ul {
list-style: disc;
}
ul li {
text-indent: -5px;
}
Both the org.hibernate.Session
API and javax.persistence.EntityManager
API represent a context for dealing with persistent data.
This concept is called a persistence context. Persistent data has a state in relation to both a persistence context and the underlying database.
If you get time as string in format such as 1441963946053 you simply could do something as following:
//String timestamp;
Long miliseconds = Long.valueOf(timestamp);
Timestamp ti = new Timestamp(miliseconds);
Initially I tried the Fusion log viewer, but that didn't help so I ended up using WinDbg with the SOS extension.
!dumpheap -stat -type Exception /D
Then I examined the FileNotFoundExceptions. The message in the exception contained the name of the DLL that wasn't loading.
N.B., the /D give you hyperlinked results, so click on the link in the summary for FileNotFoundException. That will bring up a list of the exceptions. Then click on the link for one of the exceptions. That will !dumpobject that exceptions. Then you should just be able to click on the link for Message in the exception object, and you'll see the text.
RecordRTC: WebRTC audio/video recording
https://github.com/muaz-khan/WebRTC-Experiment/tree/master/RecordRTC
Demo : https://www.webrtc-experiment.com/RecordRTC/
Creating .webm video from getUserMedia()
http://ericbidelman.tumblr.com/post/31486670538/creating-webm-video-from-getusermedia
Demo : http://html5-demos.appspot.com/static/getusermedia/record-user-webm.html
Capturing Audio & Video in HTML5
With the command:
sudo apt-get remove --purge mysql\*
you can delete anything related to packages named mysql. Those commands are only valid on debian / debian-based linux distributions (Ubuntu for example).
You can list all installed mysql packages with the command:
sudo dpkg -l | grep -i mysql
For more cleanup of the package cache, you can use the command:
sudo apt-get clean
Also, remember to use the command:
sudo updatedb
Otherwise the "locate" command will display old data.
To install mysql again, use the following command:
sudo apt-get install libmysqlclient-dev mysql-client
This will install the mysql client, libmysql and its headers files.
To install the mysql server, use the command:
sudo apt-get install mysql-server
Here is an example that works on Chrome 5.0.375.125.
The page B (iframe content):
<html>
<head></head>
<body>
<script>
top.postMessage('hello', 'A');
</script>
</body>
</html>
Note the use of top.postMessage
or parent.postMessage
not window.postMessage
here
The page A:
<html>
<head></head>
<body>
<iframe src="B"></iframe>
<script>
window.addEventListener( "message",
function (e) {
if(e.origin !== 'B'){ return; }
alert(e.data);
},
false);
</script>
</body>
</html>
A and B must be something like http://domain.com
EDIT:
From another question, it looks the domains(A and B here) must have a /
for the postMessage
to work properly.
This solution will help to calculate the height and width at runtime.
let messageText = "Your Text String"
let size = CGSize.init(width: 250, height: 1000)
let options = NSStringDrawingOptions.usesFontLeading.union(.usesLineFragmentOrigin)
let estimateFrame = NSString(string: messageText).boundingRect(with: size, options: options, attributes: [NSAttributedString.Key.font: UIFont(name: "HelveticaNeue", size: 17)!], context: nil)
Here you can calculate the estimated height that your string would take and pass it to the UILabel frame.
estimateFrame.Width
estimateFrame.Height
You need to find what your local network's IP of that computer is. Then other people can access to your site by that IP.
You can find your local network's IP by go to Command Prompt or press Windows + R then type in ipconfig
. It will give out some information and your local IP should look like 192.168.1.x.
If you know the maxValue (can be easily done if another iteration of the elements is not an issue) of the matrix, I find the following code more effective and generic.
int numDigits = (int) Math.log10(maxValue) + 1;
if (numDigits <= 1) {
numDigits = 2;
}
StringBuffer buf = new StringBuffer();
for (int i = 0; i < matrix.length; i++) {
int[] row = matrix[i];
for (int j = 0; j < row.length; j++) {
int block = row[j];
buf.append(String.format("%" + numDigits + "d", block));
if (j >= row.length - 1) {
buf.append("\n");
}
}
}
return buf.toString();
I know this question was asked a long time ago, but I wanted to provide another way to do this that I found useful for an issue I just worked on:
lshw -c memory
lshw is a small tool to extract detailed information on the hardware configuration of the machine. It can report exact memory configuration, firmware version, mainboard configuration, CPU version and speed, cache configuration, bus speed, etc. on DMI-capable x86 or IA-64 systems and on some PowerPC machines (PowerMac G4 is known to work).
I had the same problem on XAMPP for Windows10 when I try to install composer.
Unable to load dynamic library '/xampp/php/ext/php_bz2.dll'
Then follow this steps
extension_dir="F:\xampp731\php\ext" (here finded_drive_name_from_the_file is F)
myenv:
python 2.7.14
pip 9.0.1
mac osx 10.9.4
mysolution:
download get-pip.py
manually from https://packaging.python.org/tutorials/installing-packages/
run python get-pip.py
refs:
https://github.com/pypa/warehouse/issues/3293#issuecomment-378468534
https://packaging.python.org/tutorials/installing-packages/
Securely Download get-pip.py [1]
Run python get-pip.py. [2] This will install or upgrade pip. Additionally, it will install setuptools and wheel if they’re not installed already.
Ensure pip, setuptools, and wheel are up to date
While pip alone is sufficient to install from pre-built binary archives, up to date copies of the setuptools and wheel projects are useful to ensure you can also install from source archives:
python -m pip install --upgrade pip setuptools wheel
Here's a simple lock mechanism, implemented via closure
const createLock = () => {
let lockStatus = false
const release = () => {
lockStatus = false
}
const acuire = () => {
if (lockStatus == true)
return false
lockStatus = true
return true
}
return {
lockStatus: lockStatus,
acuire: acuire,
release: release,
}
}
lock = createLock() // create a lock
lock.acuire() // acuired a lock
if (lock.acuire()){
console.log("Was able to acuire");
} else {
console.log("Was not to acuire"); // This will execute
}
lock.release() // now the lock is released
if(lock.acuire()){
console.log("Was able to acuire"); // This will execute
} else {
console.log("Was not to acuire");
}
lock.release() // Hey don't forget to release
_x000D_
The solution is not good, even you fixed your naming and unreachable statement of that print out.
things you should pay attention also 1. randomness seed, and large data, will num of item is so big returned num of that random < itemlist.size().
Add-Content is default ASCII and add new line however Add-Content brings locked files issues too.
I think the best way to run this command:
**rake db:reset** it does db:drop, db:setup
rake db:setup does db:create, db:schema:load, db:seed
Use height()
:
var result = $("#myDiv").height();
alert(result);
This will give you the unit-less computed height in pixels. "px" will be stripped from the result. I.e. if the height is 400px, the result will be 400, but the result will be in pixels.
If you want to do it without jQuery, you can use plain JavaScript:
var result = document.getElementById("myDiv").offsetHeight;
You can set a reference to the Scripting.Runtime library and then use the FileSystemObject. It has a DeleteFile method and a FileExists method.
See the MSDN article here.
When you installed composer pretty sure you used $ sudo
command because of that the ~/.composer
folder was created by the root.
Run this to fix the issue:
$ sudo chown -R $USER $HOME/.composer
In a Spring project you can use
UriComponentsBuilder.fromHttpRequest(new ServletServerHttpRequest(request)).build().toUriString()
Assuming you have a column space, this is an option. Rebalance the columns depending on what you need.
<div class="col-1">
<div class="col-6 vhr">
</div>
</div>
.vhr{
border-right: 1px solid #333;
height:100%;
}
My situation was a little complicated. I had to do three steps since I was using a .dll in the resources directory, for JNI code. My files were
S:\Accessibility\tools\src\main\resources\dlls\HelloWorld.dll
S:\Accessibility\tools\src\test\java\com\accessibility\HelloWorld.class
My code contained the following line
System.load(HelloWorld.class.getResource("/dlls/HelloWorld.dll").getPath());
First, I had to move to the classpath directory
cd /D "S:\Accessibility\tools\src\test\java"
Next, I had to change the classpath to point to the current directory so that my class would be loaded and I had to change the classpath to point to he resources directory so my dll would be loaded.
set classpath=%classpath%;.;..\..\..\src\main\resources;
Then, I had to run java using the classname.
java com.accessibility.HelloWorld
Its possible using pseudo element (after).
I have added to the original code a
position:relativeand some margin.
#content{
width: 100px;
min-height: 100px;
margin: 20px auto;
border-style: ridge;
border-color: #567498;
border-spacing:10px;
position:relative;
background:#000;
}
#content:after {
content: '';
position: absolute;
top: -15px;
left: -15px;
right: -15px;
bottom: -15px;
border: red 2px solid;
}
Try:
<input name="mytextbox" onfocus="if (this.value=='Please describe why') this.value = ''" type="text" value="Please Describe why">
Just use navigator.onLine
if this is true
then you're online else offline
Reason for this is explained in the Inheritance article of the Java Platform which says:
"A subclass inherits all the members (fields, methods, and nested classes) from its superclass. Constructors are not members, so they are not inherited by subclasses, but the constructor of the superclass can be invoked from the subclass."
You want to convert it to an object first and then access normally making sure to cast it.
JObject obj = JObject.Parse(json);
string name = (string) obj["Name"];
I have found the only reliable, portable method to be
bytes(bytearray([n]))
Just bytes([n]) does not work in python 2. Taking the scenic route through bytearray seems like the only reasonable solution.