Programs & Examples On #Onactionexecuting

for read of Body , you can to read asynchronously.

use the async method like follow:

public async Task<IActionResult> GetBody()
{
      string body="";
      using (StreamReader stream = new StreamReader(Request.Body))
      {
           body = await stream.ReadToEndAsync();
      }
    return Json(body);
}

Test with postman:

It's working well and tested in Asp.net core version 2.0 , 2.1 , 2.2, 3.0.

I hope is useful.

RedirectToAction("actionName", "controllerName");

It has other overloads as well, please check up!

Also, If you are new and you are not using T4MVC, then I would recommend you to use it!

It gives you intellisence for actions,Controllers,views etc (no more magic strings)

We created a new 'runserver' management command which is a thin wrapper around the standard one but changes the default port. Roughly, you create management/commands/runserver.py and put in something like this:

# Override the value of the constant coded into django...
import django.core.management.commands.runserver as runserver
runserver.DEFAULT_PORT="8001"

# ...print out a warning...
# (This gets output twice because runserver fires up two threads (one for autoreload).
#  We're living with it for now :-)
import os
dir_path = os.path.splitext(os.path.relpath(__file__))[0]
python_path = dir_path.replace(os.sep, ".")
print "Using %s with default port %s" % (python_path, runserver.DEFAULT_PORT)

# ...and then just import its standard Command class.
# Then manage.py runserver behaves normally in all other regards.
from django.core.management.commands.runserver import Command

SELECT t1.ks, t1.[# Tasks], COALESCE(t2.[# Late], 0) AS [# Late]
FROM 
    (SELECT ks, COUNT(*) AS '# Tasks' FROM Table GROUP BY ks) t1
LEFT JOIN
    (SELECT ks, COUNT(*) AS '# Late' FROM Table WHERE Age > Palt GROUP BY ks) t2
ON (t1.ks = t2.ks);

you can also get json by using requests as below:

import requests

r = requests.get('http://yoursite.com/your-json-pfile.json')
json_response = r.json()

This is very late, but I thought it could be useful to someone should they reference this question. I beleive the below JS will do what is asked.

<script>     
         $(document).ready(function()
           {
          document.getElementById('select').size=3;
           });
    </script> 

Many of the existing answers already touch the copy constructor, assignment operator and destructor. However, in post C++11, the introduction of move semantic may expand this beyond 3.

Recently Michael Claisse gave a talk that touches this topic: http://channel9.msdn.com/events/CPP/C-PP-Con-2014/The-Canonical-Class

Using global variables is kind of like sweeping dirt under a rug. It's a quick fix, and a lot easier in the short term than getting a dust-pan or vacuum to clean it up. However, if you ever end up moving the rug later, you're gonna have a big surprise mess underneath.

Like this:

target:
    $(shell cd ....); \
    # ... commands execution in this directory
    # ... no need to go back (using "cd -" or so)
    # ... next target will be automatically in prev dir

Good luck!

Personally I would suggest this is an error as opposed to a setting that needs adjusting. In my code it was because I had a class that had the same name as a library within one of my controllers and it seemed to trip it up.

Output errors and see where this is being triggered.

I managed to solve the problem by the following steps :
1. Disable windows updates(but check the option "let users install updates manually")
2. Reboot the PC
3. Manually install kb2999226 update from VS install folder (packages/Patch/x64/Windows6.1-KB299926-x64.msu)
4. Start the VS install
5. After install is finished turn back automatic updates

Swift 3 class:

import UIKit

class CircleView: UIView {

    override func draw(_ rect: CGRect) {
        guard let context = UIGraphicsGetCurrentContext() else {return}
        
        context.addEllipse(in: rect)
        context.setFillColor(UIColor.blue.cgColor)
        context.fillPath()
    }           
}

Here is a bare bones version:

Let's say that you have a date in Cell A1 in the format you described. For example: 19760210.

Then this formula will give you the date you want:

=DATE(LEFT(A1,4),MID(A1,5,2),RIGHT(A1,2)).

On my system (Excel 2010) it works with strings or floats.

Usefull fallback here: https://developer.mozilla.org/en-US/docs/Web/Events/MozOrientation

function orientationhandler(evt){


  // For FF3.6+
  if (!evt.gamma && !evt.beta) {
    evt.gamma = -(evt.x * (180 / Math.PI));
    evt.beta = -(evt.y * (180 / Math.PI));
  }

  // use evt.gamma, evt.beta, and evt.alpha 
  // according to dev.w3.org/geo/api/spec-source-orientation


}

window.addEventListener('deviceorientation',  orientationhandler, false);
window.addEventListener('MozOrientation',     orientationhandler, false);

Just to confirm that you are selecting the element in the right way. Try this one

if ($('#some_element').length == 0) {
    //Add it to the dom
}

Rake::Task['reklamer:orville'].invoke

or

Rake::Task['reklamer:orville'].invoke(args)

Following the documentation of fopen:

``a'' Open for writing. The file is created if it does not exist. The stream is positioned at the end of the file. Subsequent writes to the file will always end up at the then cur- rent end of file, irrespective of any intervening fseek(3) or similar.

So if you pFile2=fopen("myfile2.txt", "a"); the stream is positioned at the end to append automatically. just do:

FILE *pFile;
FILE *pFile2;
char buffer[256];

pFile=fopen("myfile.txt", "r");
pFile2=fopen("myfile2.txt", "a");
if(pFile==NULL) {
    perror("Error opening file.");
}
else {
    while(fgets(buffer, sizeof(buffer), pFile)) {
        fprintf(pFile2, "%s", buffer);
    }
}
fclose(pFile);
fclose(pFile2);

If your app is launched from device, not IDE, you can do later in menu: Run - Attach Debugger to Android Process.

This can be useful when debugging notifications on closed application.

It's a bad idea to change the behavior of the home key. This is why Google doesn't allow you to override the home key. I wouldn't mess with the home key generally speaking. You need to give the user a way to get out of your app if it goes off into the weeds for whatever reason.

I'd image any work around will have unwanted side effects.

You need to map attributes to aesthetics (colours within the aes statement) to produce a legend.

cols <- c("LINE1"="#f04546","LINE2"="#3591d1","BAR"="#62c76b")
ggplot(data=data,aes(x=a)) + 
  geom_bar(stat="identity", aes(y=h, fill = "BAR"),colour="#333333")+ #green
  geom_line(aes(y=b,group=1, colour="LINE1"),size=1.0) +   #red
  geom_point(aes(y=b, colour="LINE1"),size=3) +           #red
  geom_errorbar(aes(ymin=d, ymax=e, colour="LINE1"), width=0.1, size=.8) + 
  geom_line(aes(y=c,group=1,colour="LINE2"),size=1.0) +   #blue 
  geom_point(aes(y=c,colour="LINE2"),size=3) +           #blue
  geom_errorbar(aes(ymin=f, ymax=g,colour="LINE2"), width=0.1, size=.8) + 
  scale_colour_manual(name="Error Bars",values=cols) + scale_fill_manual(name="Bar",values=cols) +
  ylab("Symptom severity") + xlab("PHQ-9 symptoms") +
  ylim(0,1.6) +
  theme_bw() +
  theme(axis.title.x = element_text(size = 15, vjust=-.2)) +
  theme(axis.title.y = element_text(size = 15, vjust=0.3))

I understand where Roland is coming from, but since this is only 3 attributes, and complications arise from superimposing bars and error bars this may be reasonable to leave the data in wide format like it is. It could be slightly reduced in complexity by using geom_pointrange.

To change the background color for the error bars legend in the original, add + theme(legend.key = element_rect(fill = "white",colour = "white")) to the plot specification. To merge different legends, you typically need to have a consistent mapping for all elements, but it is currently producing an artifact of a black background for me. I thought guide = guide_legend(fill = NULL,colour = NULL) would set the background to null for the legend, but it did not. Perhaps worth another question.

ggplot(data=data,aes(x=a)) + 
  geom_bar(stat="identity", aes(y=h,fill = "BAR", colour="BAR"))+ #green
  geom_line(aes(y=b,group=1, colour="LINE1"),size=1.0) +   #red
  geom_point(aes(y=b, colour="LINE1", fill="LINE1"),size=3) +           #red
  geom_errorbar(aes(ymin=d, ymax=e, colour="LINE1"), width=0.1, size=.8) + 
  geom_line(aes(y=c,group=1,colour="LINE2"),size=1.0) +   #blue 
  geom_point(aes(y=c,colour="LINE2", fill="LINE2"),size=3) +           #blue
  geom_errorbar(aes(ymin=f, ymax=g,colour="LINE2"), width=0.1, size=.8) + 
  scale_colour_manual(name="Error Bars",values=cols, guide = guide_legend(fill = NULL,colour = NULL)) + 
  scale_fill_manual(name="Bar",values=cols, guide="none") +
  ylab("Symptom severity") + xlab("PHQ-9 symptoms") +
  ylim(0,1.6) +
  theme_bw() +
  theme(axis.title.x = element_text(size = 15, vjust=-.2)) +
  theme(axis.title.y = element_text(size = 15, vjust=0.3))

To get rid of the black background in the legend, you need to use the override.aes argument to the guide_legend. The purpose of this is to let you specify a particular aspect of the legend which may not be being assigned correctly.

ggplot(data=data,aes(x=a)) + 
  geom_bar(stat="identity", aes(y=h,fill = "BAR", colour="BAR"))+ #green
  geom_line(aes(y=b,group=1, colour="LINE1"),size=1.0) +   #red
  geom_point(aes(y=b, colour="LINE1", fill="LINE1"),size=3) +           #red
  geom_errorbar(aes(ymin=d, ymax=e, colour="LINE1"), width=0.1, size=.8) + 
  geom_line(aes(y=c,group=1,colour="LINE2"),size=1.0) +   #blue 
  geom_point(aes(y=c,colour="LINE2", fill="LINE2"),size=3) +           #blue
  geom_errorbar(aes(ymin=f, ymax=g,colour="LINE2"), width=0.1, size=.8) + 
  scale_colour_manual(name="Error Bars",values=cols, 
                      guide = guide_legend(override.aes=aes(fill=NA))) + 
  scale_fill_manual(name="Bar",values=cols, guide="none") +
  ylab("Symptom severity") + xlab("PHQ-9 symptoms") +
  ylim(0,1.6) +
  theme_bw() +
  theme(axis.title.x = element_text(size = 15, vjust=-.2)) +
  theme(axis.title.y = element_text(size = 15, vjust=0.3))

Getting into shape

To manage a git repo under a separate github/bitbucket/whatever account, you simply need to generate a new SSH key.

But before we can start pushing/pulling repos with your second identity, we gotta get you into shape – Let's assume your system is setup with a typical id_rsa and id_rsa.pub key pair. Right now your tree ~/.ssh looks like this

$ tree ~/.ssh
/Users/you/.ssh
+-- known_hosts
+-- id_rsa
+-- id_rsa.pub

First, name that key pair – adding a descriptive name will help you remember which key is used for which user/remote

# change to your ~/.ssh directory
$ cd ~/.ssh

# rename the private key
$ mv id_rsa github-mainuser

# rename the public key
$ mv id_rsa.pub github-mainuser.pub

Next, let's generate a new key pair – here I'll name the new key github-otheruser

$ ssh-keygen -t rsa -b 4096 -f ~/.ssh/github-otheruser

Now, when we look at tree ~/.ssh we see

$ tree ~/.ssh
/Users/you/.ssh
+-- known_hosts
+-- github-mainuser
+-- github-mainuser.pub
+-- github-otheruser
+-- github-otheruser.pub    

Next, we need to setup a ~/.ssh/config file that will define our key configurations. We'll create it with the proper owner-read/write-only permissions

$ (umask 077; touch ~/.ssh/config)

Open that with your favourite editor, and add the following contents

Host github.com
  User git
  IdentityFile ~/.ssh/github-mainuser

Host github.com-otheruser
  HostName github.com
  User git
  IdentityFile ~/.ssh/github-otheruser

Presumably, you'll have some existing repos associated with your primary github identity. For that reason, the "default" github.com Host is setup to use your mainuser key. If you don't want to favour one account over another, I'll show you how to update existing repos on your system to use an updated ssh configuration.

Add your new SSH key to github

Head over to github.com/settings/keys to add your new public key

You can get the public key contents using: copy/paste it to github

$ cat ~/.ssh/github-otheruser.pub
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQDBVvWNQ2nO5...

Now your new user identity is all setup – below we'll show you how to use it.

Getting stuff done: cloning a repo

So how does this come together to work with git and github? Well because you can't have a chicken without and egg, we'll look at cloning an existing repo. This situation might apply to you if you have a new github account for your workplace and you were added to a company project.

Let's say github.com/someorg/somerepo already exists and you were added to it – cloning is as easy as

$ git clone github.com-otheruser:someorg/somerepo.git

That bolded portion must match the Host name we setup in your ~/.ssh/config file. That correctly connects git to the corresponding IdentityFile and properly authenticates you with github

Getting stuff done: creating a new repo

Well because you can't have a chicken without and egg, we'll look at publishing a new repo on your secondary account. This situation applies to users that are create new content using their secondary github account.

Let's assume you've already done a little work locally and you're now ready to push to github. You can follow along with me if you'd like

$ cd ~
$ mkdir somerepo
$ cd somerepo
$ git init

Now configure this repo to use your identity

$ git config user.name "Mister Manager"
$ git config user.email "[email protected]"

Now make your first commit

$ echo "hello world" > readme
$ git add .
$ git commit -m "first commit"

Check the commit to see your new identity was used using git log

$ git log --pretty="%H %an <%ae>"
f397a7cfbf55d44ffdf87aa24974f0a5001e1921 Mister Manager <[email protected]>

Alright, time to push to github! Since github doesn't know about our new repo yet, first go to github.com/new and create your new repo – name it somerepo

Now, to configure your repo to "talk" to github using the correct identity/credentials, we have add a remote. Assuming your github username for your new account is someuser ...

$ git remote add origin github.com-otheruser:someuser/somerepo.git

That bolded portion is absolutely critical and it must match the Host that we defined in your ~/.ssh/config file

Lastly, push the repo

$ git push origin master

Update an existing repo to use a new SSH configuration

Say you already have some repo cloned, but now you want to use a new SSH configuration. In the example above, we kept your existing repos in tact by assigning your previous id_rsa/id_rsa.pub key pair to Host github.com in your SSH config file. There's nothing wrong with this, but I have at least 5 github configurations now and I don't like thinking of one of them as the "default" configuration – I'd rather be explicit about each one.

Before we had this

Host github.com
  User git
  IdentityFile ~/.ssh/github-mainuser

Host github.com-otheruser
  HostName github.com
  User git
  IdentityFile ~/.ssh/github-otheruser

So we will now update that to this (changes in bold)

Host github.com-mainuser
  HostName github.com
  User git
  IdentityFile ~/.ssh/github-mainuser

Host github.com-otheruser
  HostName github.com
  User git
  IdentityFile ~/.ssh/github-otheruser

But now any existing repo with a github.com remote will not work with this identity file. But don't worry, it's a simple fix.

To update any existing repo to use your new SSH configuration, update the repo's remote origin field using set-url -

$ cd existingrepo
$ git remote set-url origin github.com-mainuser:someuser/existingrepo.git

That's it. Now you can push/pull to your heart's content

SSH key file permissions

If you're running into trouble with your public keys not working correctly, SSH is quite strict on the file permissions allowed on your ~/.ssh directory and corresponding key files

As a rule of thumb, any directories should be 700 and any files should be 600 - this means they are owner-read/write-only – no other group/user can read/write them

$ chmod 700 ~/.ssh
$ chmod 600 ~/.ssh/config
$ chmod 600 ~/.ssh/github-mainuser
$ chmod 600 ~/.ssh/github-mainuser.pub
$ chmod 600 ~/.ssh/github-otheruser
$ chmod 600 ~/.ssh/github-otheruser.pub

How I manage my SSH keys

I manage separate SSH keys for every host I connect to, such that if any one key is ever compromised, I don't have to update keys on every other place I've used that key. This is like when you get that notification from Adobe that 150 million of their users' information was stolen – now you have to cancel that credit card and update every service that depends on it – what a nuisance.

Here's what my ~/.ssh directory looks like: I have one .pem key for each user, in a folder for each domain I connect to. I use .pem keys to so I only need one file per key.

$ tree ~/.ssh
/Users/myuser/.ssh
+-- another.site
¦   +-- myuser.pem
+-- config
+-- github.com
¦   +-- myuser.pem
¦   +-- someusername.pem
+-- known_hosts
+-- somedomain.com
¦   +-- someuser.pem
+-- someotherdomain.org
     +-- root.pem

And here's my corresponding /.ssh/config file – obviously the github stuff is relevant to answering this question about github, but this answer aims to equip you with the knowledge to manage your ssh identities on any number of services/machines.

Host another.site
  User muyuser
  IdentityFile ~/.ssh/another.site/muyuser.pem

Host github.com-myuser
  HostName github.com
  User git
  IdentityFile ~/.ssh/github.com/myuser.pem

Host github.com-someuser
  HostName github.com
  User git
  IdentityFile ~/.ssh/github.com/someusername.pem

Host somedomain.com
  HostName 162.10.20.30
  User someuser
  IdentityFile ~/.ssh/somedomain.com/someuser.pem

Host someotherdomain.org
  User someuser
  IdentityFile ~/.ssh/someotherdomain.org/root.pem

Getting your SSH public key from a PEM key

Above you noticed that I only have one file for each key. When I need to provide a public key, I simply generate it as needed.

So when github asks for your ssh public key, run this command to output the public key to stdout – copy/paste where needed

$ ssh-keygen -y -f someuser.pem
ssh-rsa AAAAB3NzaC1yc2EAAAA...

Note, this is also the same process I use for adding my key to any remote machine. The ssh-rsa AAAA... value is copied to the remote's ~/.ssh/authorized_keys file

Converting your id_rsa/id_rsa.pub key pairs to PEM format

So you want to tame you key files and cut down on some file system cruft? Converting your key pair to a single PEM is easy

$ cd ~/.ssh
$ openssl rsa -in id_rsa -outform pem > id_rsa.pem

Or, following along with our examples above, we renamed id_rsa -> github-mainuser and id_rsa.pub -> github-mainuser.pub – so

$ cd ~/.ssh
$ openssl rsa -in github-mainuser -outform pem > github-mainuser.pem

Now just to make sure that we've converted this correct, you will want to verify that the generated public key matches your old public key

# display the public key
$ cat github-mainuser.pub
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAA ... R++Nu+wDj7tCQ==

# generate public key from your new PEM
$ ssh-keygen -y -f someuser.pem
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAA ... R++Nu+wDj7tCQ==

Now that you have your github-mainuser.pem file, you can safely delete your old github-mainuser and github-mainuser.pub files – only the PEM file is necessary; just generate the public key whenever you need it ^_^

Creating PEM keys from scratch

You don't need to create the private/public key pair and then convert to a single PEM key. You can create the PEM key directly.

Let's create a newuser.pem

$ openssl genrsa -out ~/.ssh/newuser.pem 4096

Getting the SSH public key is the same

$ ssh-keygen -y -f ~/.ssh/newuser.pem
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACA ... FUNZvoKPRQ==

There is nothing wrong with your code. The problem is not visible form here.

1. Check if after the submit, the script is called at all.

2. Have a look at what is submitted: var_dump($_REQUEST)

The normal procedure with Eclipse and Java EE webapplications is to install a servlet container (Tomcat, Jetty, etc) or application server (Glassfish (which is bundled in the "Sun Java EE" download), JBoss AS, WebSphere, Weblogic, etc) and integrate it in Eclipse using a (builtin) plugin in the Servers view.

During the creation wizard of a new Dynamic Web Project, you can then pick the integrated server from the list. If you happen to have an existing Dynamic Web Project without a server or want to change the associated one, then you need to modify it in the Targeted Rutimes section of the project's properties.

Either way, Eclipse will automatically place the necessary server-specific libraries in the project's classpath (buildpath).

You should absolutely in no way extract and copy server-specific libraries into /WEB-INF/lib or even worse the JRE/lib yourself, to "fix" the compilation errors in Eclipse. It would make your webapplication tied to a specific server and thus completely unportable.

For those interested, there is no:

<xsl:tag-of select="."/>

However you can re-create the tag/element by going:

<xsl:element name="{local-name()}">
  <xsl:value-of select="substring(.,1,3)"/>
</xsl:element>

This is useful in an xslt template that for example handles formatting data values for lots of different elements. When you don't know the name of the element being worked on and you can still output the same element, and modify the value if need be.

You need to pass an array of element to jsx. The problem is that forEach does not return anything (i.e it returns undefined). So it's better to use map because map returns an array:

class QuestionSet extends Component {
render(){ 
    <div className="container">
       <h1>{this.props.question.text}</h1>
       {this.props.question.answers.map((answer, i) => {     
           console.log("Entered");                 
           // Return the element. Also pass key     
           return (<Answer key={answer} answer={answer} />) 
        })}
}

export default QuestionSet;

ES6 (template literal) helper functions:

function rgba(r, g, b, a=1){
    return `rgba(${r}, ${g}, ${b}, ${a})`
}
function rgb(r, g, b){
    return `rgb(${r}, ${g}, ${b})`
}

I just want to edit this for posterity that the tags for oracle weren't added when I answered this question. My response was more applicable to MS SQL.

Merge join is the best possible as it exploits the ordering, resulting in a single pass down the tables to do the join. IF you have two tables (or covering indexes) that have their ordering the same such as a primary key and an index of a table on that key then a merge join would result if you performed that action.

Hash join is the next best, as it's usually done when one table has a small number (relatively) of items, its effectively creating a temp table with hashes for each row which is then searched continuously to create the join.

Worst case is nested loop which is order (n * m) which means there is no ordering or size to exploit and the join is simply, for each row in table x, search table y for joins to do.

As far as I'm aware, you have to copy + paste the sections you want from the library .config into the applications .config file. You only get 1 app.config per executable instance.

I reached the point that I set, up to max_iter=1200000 on my LinearSVC classifier, but still the "ConvergenceWarning" was still present. I fix the issue by just setting dual=False and leaving max_iter to its default.

With LogisticRegression(solver='lbfgs') classifier, you should increase max_iter. Mine have reached max_iter=7600 before the "ConvergenceWarning" disappears when training with large dataset's features.

I helped build a jQuery plugin called Fillmore, which handles the background-size: cover in browsers that support it, and has a shim for those that don't. Give it a look!

In Oracle, This work for me

SELECT name, min(date), min(time)
    FROM table_name
GROUP BY name

function ImageX( props){
   const [state, setState] = React.useState({v:{height:1}});
   useEffect(() => {
    if(!props.source || !props.source.uri) return;
    Image.prefetch(props.source.uri)
    .then(() => {
        Image.getSize(props.source.uri, (width, height) => {
          let aspectRatio =  height/width;
          state.v.width=Dimensions.get('window').width;
          state.v.height=aspectRatio*state.v.width;
          setState({...state});
        });
    })
    .catch(error => console.log(error))
   },[props.source && props.source.uri]);
   
   if (state.v.height <=1) //Image not in cache (disk) yet
     {
      return (
        <Image {...props}/>
      );
   }
   else
   {
     let neededst={v:{width:state.v.width, height:state.v.height}}
     let st={v:props.style};
    assignObject(neededst, st);
     return (
       <Image {...props} style={neededst.v}/>
     );
   }
 }

 function assignObject(target, source) {
  if (!source) return;
  for (let k in target) {
    let v = target[k];
    if (Object(v) === Object) assignObject(v, source[k]);
    else {
      if (source[k]) {
        try {
          Object.assign(v, source[k]);
        } catch (e) {
          alert(e);
        }
      }
    }
  }

  for (let k in source) {
    if (!target[k]) {
      target[k] = source[k];
    }
  }

}

Using Image component from https://reactnativeelements.com/docs/image

<system.webServer>
     <staticContent>
      <remove fileExtension=".woff"/>
      <mimeMap fileExtension=".woff" mimeType="application/font-woff" />
      <mimeMap fileExtension=".woff2" mimeType="font/woff2" />
    </staticContent>
  </system.webServer>

Just set the display:none on the elements that you want to hide:

<table>
<tr><th>Test Table</th><tr>
<tr style="display:none"><td>1. 123456789</td><tr>
<tr><td>2. 123456789</td><tr>
<tr><td>3. 123456789</td><tr>
</table>

As Ajay beniwal mentioned above you need to use Apply to start digestion.

var app = angular.module('test', []);

app.controller('TestCtrl', function ($scope) {
   $scope.testValue = 0;

    setInterval(function() {
        console.log($scope.testValue++);
        $scope.$apply() 
    }, 500);
});

Partially. The text is inserted, but the warning is still generated.

I found a discussion that indicated the text needed to be preceded with 'E', as such:

insert into EscapeTest (text) values (E'This is the first part \n And this is the second');

This suppressed the warning, but the text was still not being returned correctly. When I added the additional slash as Michael suggested, it worked.

As such:

insert into EscapeTest (text) values (E'This is the first part \\n And this is the second');

Use continue; instead of break; to enter the next iteration of the loop without executing any more of the contained code.

foreach (Item item in myItemsList)
{
   if (item.Name == string.Empty)
   {
      // Display error message and move to next item in list.  Skip/ignore all validation
      // that follows beneath
      continue;
   }

   if (item.Weight > 100)
   {
      // Display error message and move to next item in list.  Skip/ignore all validation
      // that follows beneath
      continue;
   }
}

Official docs are here, but they don't add very much color.

Just another method

private void revByFor() {
            String str="google";
            StringBuilder revStr= new StringBuilder();
            char[] str1= str.toCharArray();
            for (char c : str1) {
                revStr.insert(0, c);    
            }
            System.out.println(revStr); 
        }

You need to write a document.write object:

document.write('<script type="text/javascript" src="file.js" ></script>');

and place it in your main javascript file

Potential memory issues with strtok:

Since one of the suggested solutions uses strtok, unfortunately it doesn't point out a potential memory issue (though it claims to be memory efficient). When using strtok according to the manual, the:

Note that only the first call to strtok uses the string argument. Every subsequent call to strtok only needs the token to use, as it keeps track of where it is in the current string.

It does this by loading the file into memory. If you're using large files, you need to flush them if you're done looping through the file.

<?php
function process($str) {
    $line = strtok($str, PHP_EOL);

    /*do something with the first line here...*/

    while ($line !== FALSE) {
        // get the next line
        $line = strtok(PHP_EOL);

        /*do something with the rest of the lines here...*/

    }
    //the bit that frees up memory
    strtok('', '');
}

If you're only concerned with physical files (eg. datamining):

According to the manual, for the file upload part you can use the file command:

 //Create the array
 $lines = file( $some_file );

 foreach ( $lines as $line ) {
   //do something here.
 }

Introduction

None of the answers explain how to show last item(s) at the top. So, the answers work only for items that still have enough items above or below them to fill the remaining RecyclerView. For instance, if there are 59 elements and a 56-th element is selected it should be at the top as in the picture below:

So, let's see how to implement this in the next paragraph.

Solution

We could handle those cases by using linearLayoutManager.scrollToPositionWithOffset(pos, 0) and additional logic in the Adapter of RecyclerView - by adding a custom margin below the last item (if the last item is not visible then it means there's enough space fill the RecyclerView). The custom margin could be a difference between the root view height and the item height. So, your Adapter for RecyclerView would look as follows:

...
@Override
public void onBindViewHolder(ViewHolder holder, final int position) {
    ...

    int bottomHeight = 0;
    int itemHeight = holder.itemView.getMeasuredHeight();
    // if it's the last item then add a bottom margin that is enough to bring it to the top
    if (position == mDataSet.length - 1) {
        bottomHeight = Math.max(0, mRootView.getMeasuredHeight() - itemHeight);
    }
    RecyclerView.LayoutParams params = (RecyclerView.LayoutParams)holder.itemView.getLayoutParams();
    params.setMargins(0, 0, params.rightMargin, bottomHeight);
    holder.itemView.setLayoutParams(params);

    ...
} 
...

In case you need to simulate network connection quality when developing for Windows Phone, you might give a try to a Visual Studio built-in tool called Simulation Dashboard (more details here http://msdn.microsoft.com/en-us/library/windowsphone/develop/jj206952(v=vs.105).aspx):

You can use the Simulation Dashboard in Visual Studio to test your app for these connection problems, and to help prevent users from encountering scenarios like the following:

• High-resolution music or videos stutter or freeze while streaming, or take a long time to download over a low-bandwidth connection.
• Calls to a web service fail with a timeout.
• The app crashes when no network is available.
• Data transfer does not resume when the network connection is lost and then restored.
• The user’s battery is drained by a streaming app that uses the network inefficiently.
• Mapping the user’s route is interrupted in a navigation app.

...

In Visual Studio, on the Tools menu, open Simulation Dashboard. Find the network simulation section of the dashboard and check the Enable Network Simulation check box.

If you're talking about the database password, as opposed to the password coming from a browser, the standard practice seems to be to put the database password in a PHP config file on the server.

You just need to be sure that the php file containing the password has appropriate permissions on it. I.e. it should be readable only by the web server and by your user account.

INDEX=0
for i in $list; do 
    echo ${INDEX}_$i
    let INDEX=${INDEX}+1
done

Using scan should do the trick:

string.scan(/regex/)

In Go, there is a general rule that syntax should not hide complex/costly operations. Converting a string to an interface{} is done in O(1) time. Converting a []string to an interface{} is also done in O(1) time since a slice is still one value. However, converting a []string to an []interface{} is O(n) time because each element of the slice must be converted to an interface{}.

The one exception to this rule is converting strings. When converting a string to and from a []byte or a []rune, Go does O(n) work even though conversions are "syntax".

There is no standard library function that will do this conversion for you. You could make one with reflect, but it would be slower than the three line option.

Example with reflection:

func InterfaceSlice(slice interface{}) []interface{} {
    s := reflect.ValueOf(slice)
    if s.Kind() != reflect.Slice {
        panic("InterfaceSlice() given a non-slice type")
    }

    // Keep the distinction between nil and empty slice input
    if s.IsNil() {
        return nil
    }

    ret := make([]interface{}, s.Len())

    for i:=0; i<s.Len(); i++ {
        ret[i] = s.Index(i).Interface()
    }

    return ret
}

Your best option though is just to use the lines of code you gave in your question:

b := make([]interface{}, len(a))
for i := range a {
    b[i] = a[i]
}

Update in 2019:

This is now officially supported in Visual Studio 2019 Preview 2 for .Net Core 3.0 or higher. Of course, you may have to put some thoughts in potential risks of using a Preview version of IDE. I imagine in the near future this will be included in the official Visual Studio.

https://blogs.msdn.microsoft.com/visualstudio/2019/02/12/break-when-value-changes-data-breakpoints-for-net-core-in-visual-studio-2019/

Fortunately, data breakpoints are no longer a C++ exclusive because they are now available for .NET Core (3.0 or higher) in Visual Studio 2019 Preview 2!

Looks like you're trying to execute a windows file (.exe) Surely you ought to be using powershell. Anyway on a Linux bash shell a simple one-liner will suffice.

[/home/$] for filename in /Data/*.txt; do for i in {0..3}; do ./MyProgam.exe  Data/filenameLogs/$filename_log$i.txt; done done

Or in a bash

#!/bin/bash

for filename in /Data/*.txt; 
   do
     for i in {0..3}; 
       do ./MyProgam.exe Data/filename.txt Logs/$filename_log$i.txt; 
     done 
 done

For Mac OS X, using TextEdit or the natural environmental editor for text:

git config --global core.editor "open -W -n"

Try to have the function body before the function call in your JavaScript file.

Short Answer: Encrypt the link like youtube does, don't know how than ask youtube/google of how they do it. (Just in case you want to get straight into the point.)

I would like to point out to anyone that this is possible because youtube does it and if they can so can any other website and it isn't from the browser either because I tested it on a couple browsers such as microsoft edge and internet explorer and so there is a way to disable it and seen that people still say it...I tries looking for an answer because if youtube can than there has to be a way and the only way to see how they do it is if someone looked into the scripts of youtube which I am doing now. I also checked to see if it was a custom context menu as well and it isn't because the context menu is over flowing the inspect element and I mean like it is over it and I looked and it never creates a new class and also it is impossible to actually access inspect element with javascript so it can't be. You can tell when it double right-click a youtube video that it pops up the context menu for chrome. Besides...youtube wouldn't add that function in. I am doing research and looking through the source of youtube so I will be back if I find the answer...if anyone says you can't than, well they didn't do research like I have. The only way to download youtube videos is through a video download.

Okay...I did research and my research stays that you can disable it except there is no javascript to it...you have to be able to encrypt the links to the video for you to be able to disable it because I think any browser won't show it if it can't find it and when I opened a youtube video link it showed as this "blob:https://www.youtube.com/e5c4808e-297e-451f-80da-3e838caa1275" without quotes so it is encrypting it so it cannot be saved...you need to know php for that but like the answer you picked out of making it harder, youtube makes it the hardest of heavy encrypting it, you need to be an advance php programmer but if you don't know that than take the person you picked as best answer of making it hard to download it...but if you know php than heavy encrypt the video link so it only is able to be read on yours...I don't know how to explain how they do it but they did and there is a way. The way youtube Encrypts there videos is quite smart so if you want to know how to than just ask youtube/google of how they do it...hope this helps for you although you already picked a best answer. So encrypting the link is best in short terms.

This will print out a hexadecimal representation of a pthread_t, no matter what that actually is:

void fprintPt(FILE *f, pthread_t pt) {
  unsigned char *ptc = (unsigned char*)(void*)(&pt);
  fprintf(f, "0x");
  for (size_t i=0; i<sizeof(pt); i++) {
    fprintf(f, "%02x", (unsigned)(ptc[i]));
  }
}

To just print a small id for a each pthread_t something like this could be used (this time using iostreams):

void printPt(std::ostream &strm, pthread_t pt) {
  static int nextindex = 0;
  static std::map<pthread_t, int> ids;
  if (ids.find(pt) == ids.end()) {
    ids[pt] = nextindex++;
  }
  strm << ids[pt];
}

Depending on the platform and the actual representation of pthread_t it might here be necessary to define an operator< for pthread_t, because std::map needs an ordering on the elements:

bool operator<(const pthread_t &left, const pthread_t &right) {
  ...
}

Just to kick a long-dead horse, because I've had to implement an optional argument in the middle of two or more required arguments. Use the arguments array and use the last one as the required non-optional argument.

my_function() {
  var options = arguments[argument.length - 1];
  var content = arguments.length > 1 ? arguments[0] : null;
}

you can try this solution, is the best... url(github)

// Transparent Background
// From: http://stackoverflow.com/questions/6902944/sass-mixin-for-background-transparency-back-to-ie8

// Extend this class to save bytes
.transparent-background {
  background-color: transparent;
  zoom: 1;
}

// The mixin
@mixin transparent($color, $alpha) {
  $rgba: rgba($color, $alpha);
  $ie-hex-str: ie-hex-str($rgba);
  @extend .transparent-background;
  background-color: $rgba;
  filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#{$ie-hex-str},endColorstr=#{$ie-hex-str});
}

// Loop through opacities from 90 to 10 on an alpha scale
@mixin transparent-shades($name, $color) {
  @each $alpha in 90, 80, 70, 60, 50, 40, 30, 20, 10 {
    .#{$name}-#{$alpha} {
      @include transparent($color, $alpha / 100);
    }
  }
}

// Generate semi-transparent backgrounds for the colors we want
@include transparent-shades('dark', #000000);
@include transparent-shades('light', #ffffff);

This article explains that your sequence might be out of sync and that you have to manually bring it back in sync.

An excerpt from the article in case the URL changes:

If you get this message when trying to insert data into a PostgreSQL database:

ERROR:  duplicate key violates unique constraint

That likely means that the primary key sequence in the table you're working with has somehow become out of sync, likely because of a mass import process (or something along those lines). Call it a "bug by design", but it seems that you have to manually reset the a primary key index after restoring from a dump file. At any rate, to see if your values are out of sync, run these two commands:

SELECT MAX(the_primary_key) FROM the_table;   
SELECT nextval('the_primary_key_sequence');

If the first value is higher than the second value, your sequence is out of sync. Back up your PG database (just in case), then run thisL

SELECT setval('the_primary_key_sequence', (SELECT MAX(the_primary_key) FROM the_table)+1);

That will set the sequence to the next available value that's higher than any existing primary key in the sequence.

You can use slice method in javascript array object

<div ng-repeat="item in items.slice(0, 4)">{{item}}</div>

Short n sweet

Use the -s option BEFORE the command to specify the device, for example:

adb -s 7f1c864e shell

See also http://developer.android.com/tools/help/adb.html#directingcommands

Here's a list of things that are worth checking:

Is Suhosin installed?

• How to check whether Suhosin is installed?

ini_set

• The format is important ini_set('memory_limit', '512'); // DIDN'T WORK ini_set('memory_limit', '512MB'); // DIDN'T WORK ini_set('memory_limit', '512M'); // OK - 512MB ini_set('memory_limit', 512000000); // OK - 512MB

When an integer is used, the value is measured in bytes. Shorthand notation, as described in this FAQ, may also be used.

http://php.net/manual/en/ini.core.php#ini.memory-limit

• Has php_admin_value been used in .htaccess or virtualhost files?

Sets the value of the specified directive. This can not be used in .htaccess files. Any directive type set with php_admin_value can not be overridden by .htaccess or ini_set(). To clear a previously set value use none as the value.

http://php.net/manual/en/configuration.changes.php

The simplest and most elegant way is as follows:

all(x==myList[0] for x in myList)

(Yes, this even works with the empty list! This is because this is one of the few cases where python has lazy semantics.)

Regarding performance, this will fail at the earliest possible time, so it is asymptotically optimal.

You can't combine a character string and numeric string. You need to convert the number to a string using either CONVERT or CAST.

For example:

print 'There are ' + cast(@Number as varchar) + ' alias combinations did not match a record'

or

print 'There are ' + convert(varchar,@Number) + ' alias combinations did not match a record'

Another version @Steffomio

Instead of adding each item individually we can add items by chunks.

// chunks function from here: 
// http://stackoverflow.com/questions/8495687/split-array-into-chunks#11764168
var chunks = chunk(folders, 100);

//immediate display of our first set of items
$scope.items = chunks[0];

var delay = 100;
angular.forEach(chunks, function(value, index) {
    delay += 100;

    // skip the first chuck
    if( index > 0 ) {
        $timeout(function() {
            Array.prototype.push.apply($scope.items,value);
        }, delay);
    }       
});

List comprehension will lead you to a solution.

But the right way to copy a object in python is using python module copy - Shallow and deep copy operations.

l=[1,2,3,0,0,1]
for i in range(0,len(l)):
   if l[i]==0:
       l.pop(i)

If instead of this,

import copy
l=[1,2,3,0,0,1]
duplicate_l = copy.copy(l)
for i in range(0,len(l)):
   if l[i]==0:
       m.remove(i)
l = m

Then, your own code would have worked. But for optimization, list comprehension is a good solution.

if you use bootstrap + modal, this worked for me :

  $(myModal).modal('toggle');
  $(myModal).on('shown.bs.modal', function() {
    $('#modalSearchBox').focus()
  });

First method: You could use "+" sign for concatenating strings, but this always happens in print. Another way: The String class includes a method for concatenating two strings: string1.concat(string2);

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));

This is an interesting question and since it isn't explained very explicitly in the documentation I'll answer this by going through the sourcecode of mod_rewrite; demonstrating a big benefit of open-source.

In the top section you'll quickly spot the defines used to name these flags:

#define CONDFLAG_NONE               1<<0
#define CONDFLAG_NOCASE             1<<1
#define CONDFLAG_NOTMATCH           1<<2
#define CONDFLAG_ORNEXT             1<<3
#define CONDFLAG_NOVARY             1<<4

and searching for CONDFLAG_ORNEXT confirms that it is used based on the existence of the [OR] flag:

else if (   strcasecmp(key, "ornext") == 0
         || strcasecmp(key, "OR") == 0    ) {
    cfg->flags |= CONDFLAG_ORNEXT;
}

The next occurrence of the flag is the actual implementation where you'll find the loop that goes through all the RewriteConditions a RewriteRule has, and what it basically does is (stripped, comments added for clarity):

# loop through all Conditions that precede this Rule
for (i = 0; i < rewriteconds->nelts; ++i) {
    rewritecond_entry *c = &conds[i];

    # execute the current Condition, see if it matches
    rc = apply_rewrite_cond(c, ctx);

    # does this Condition have an 'OR' flag?
    if (c->flags & CONDFLAG_ORNEXT) {
        if (!rc) {
            /* One condition is false, but another can be still true. */
            continue;
        }
        else {
            /* skip the rest of the chained OR conditions */
            while (   i < rewriteconds->nelts
                   && c->flags & CONDFLAG_ORNEXT) {
                c = &conds[++i];
            }
        }
    }
    else if (!rc) {
        return 0;
    }
}

You should be able to interpret this; it means that OR has a higher precedence, and your example indeed leads to if ( (A OR B) AND (C OR D) ). If you would, for example, have these Conditions:

RewriteCond A [or]
RewriteCond B [or]
RewriteCond C
RewriteCond D

it would be interpreted as if ( (A OR B OR C) and D ).

Change the Encoding to UTF-8 while parsing .This will remove the special characters

group_concat() sounds like what you're looking for.

http://dev.mysql.com/doc/refman/5.0/en/group-by-functions.html#function_group-concat

since you're on mssql, i just googled "group_concat mssql" and found a bunch of hits to recreate group_concat functionality. here's one of the hits i found:

http://www.stevenmapes.com/index.php?/archives/23-Recreating-MySQL-GROUP_CONCAT-In-MSSQL-Cross-Tab-Query.html

$link = mysqli_connect('127.0.0.1', 'my_user', 'my_pass', 'my_db');
mysqli_query($link, "INSERT INTO mytable (1, 2, 3, 'blah')");
$id = mysqli_insert_id($link);

See mysqli_insert_id().

Whatever you do, don't insert and then do a "SELECT MAX(id) FROM mytable". Like you say, it's a race condition and there's no need. mysqli_insert_id() already has this functionality.

This is a warning related to the fact that most JavaScript frameworks (jQuery, Angular, YUI, Bootstrap...) offer backward support for old-nasty-most-hated Internet Explorer starting from IE8 down to IE6 :/

One day that backward compatibility support will be dropped (for IE8/7/6 since IE9 deals with it), and you will no more see this warning (and other IEish bugs)..

It's a question of time (now IE8 has 10% worldwide share, once it reaches 1% it is DEAD), meanwhile, just ignore the warning and stay zen :)

curl sends POST requests with the default content type of application/x-www-form-urlencoded. If you want to send a JSON request, you will have to specify the correct content type header:

$ curl -vX POST http://server/api/v1/places.json -d @testplace.json \
--header "Content-Type: application/json"

But that will only work if the server accepts json input. The .json at the end of the url may only indicate that the output is json, it doesn't necessarily mean that it also will handle json input. The API documentation should give you a hint on whether it does or not.

The reason you get a 401 and not some other error is probably because the server can't extract the auth_token from your request.

install php70w-common.

It provides php-api, php-bz2, php-calendar, php-ctype, php-curl, php-date, php-exif, php-fileinfo, php-filter, php-ftp, php-gettext, php-gmp, php-hash, php-iconv, php-json, php-libxml, php-openssl, php-pcre, php-pecl-Fileinfo, php-pecl-phar, php-pecl-zip, php-reflection, php-session, php-shmop, php-simplexml, php-sockets, php-spl, php-tokenizer, php-zend-abi, php-zip, php-zlib.

https://webtatic.com/packages/php70/

1. When you want to store 'wide' (Unicode) characters.
2. Yes: 255 of them (excluding 0).
3. Yes.
4. Here's an introductory article: http://www.joelonsoftware.com/articles/Unicode.html

Is this what you wanted? - http://jsfiddle.net/jomanlk/x5vyC/3/

Floats on both sides now

#wrapper{
    background:red;
    overflow:auto;
}

#c1{
   float:left;
   background:blue;
}

#c2{
    background:green;
    float:right;
}?

<div id="wrapper">
    <div id="c1">con1</div>
    <div id="c2">con2</div>
</div>?

To adjust the length of the samples:

set key samplen X

(default is 4)

To adjust the vertical spacing of the samples:

set key spacing X

(default is 1.25)

and (for completeness), to adjust the fontsize:

set key font "<face>,<size>"

(default depends on the terminal)

And of course, all these can be combined into one line:

set key samplen 2 spacing .5 font ",8"

Note that you can also change the position of the key using set key at <position> or any one of the pre-defined positions (which I'll just defer to help key at this point)

You can set a primary key on a text column. In phpMyAdmin, display the Structure of your table, click on Indexes, then ask to create the index on one column. Then choose PRIMARY, pick your TEXT column, but you have to put a length big enough so that its unique.

Try:

while [ $stats -gt 300 -o $stats -eq 0 ]

[ is a call to test. It is not just for grouping, like parentheses in other languages. Check man [ or man test for more information.

A lightweight solution with Check constraint:

CREATE TABLE example (
    discriminator INTEGER DEFAULT 0 NOT NULL CHECK (discriminator = 0)
);

try this one, it is working fine for me.

"^([a-zA-Z])[a-zA-Z0-9-_]*$"

As stated in the JQuery documentation

The focusout event is sent to an element when it, or any element inside of it, loses focus. This is distinct from the blur event in that it supports detecting the loss of focus on descendant elements (in other words, it supports event bubbling).

Cleaning the Project using Build in Menu Bar work for many error scenarios in Android Studio and so it does in this case.

React Native provides a .measure(...) method which takes a callback and calls it with the offsets and width/height of a component:

myComponent.measure( (fx, fy, width, height, px, py) => {

    console.log('Component width is: ' + width)
    console.log('Component height is: ' + height)
    console.log('X offset to frame: ' + fx)
    console.log('Y offset to frame: ' + fy)
    console.log('X offset to page: ' + px)
    console.log('Y offset to page: ' + py)
})

Example...

The following calculates the layout of a custom component after it is rendered:

class MyComponent extends React.Component {
    render() {
        return <View ref={view => { this.myComponent = view; }} />
    }
    componentDidMount() {
        // Print component dimensions to console
        this.myComponent.measure( (fx, fy, width, height, px, py) => {
            console.log('Component width is: ' + width)
            console.log('Component height is: ' + height)
            console.log('X offset to frame: ' + fx)
            console.log('Y offset to frame: ' + fy)
            console.log('X offset to page: ' + px)
            console.log('Y offset to page: ' + py)
        })        
    }
}

Bug notes

• Note that sometimes the component does not finish rendering before componentDidMount() is called. If you are getting zeros as a result from measure(...), then wrapping it in a setTimeout should solve the problem, i.e.:

  setTimeout( myComponent.measure(...), 0 )
  

Attempting to provide some (possible) context for OP's question by posting my own trouble. I'm working in Scala, but the error messages I'm getting all reference Java types, and the error message reads a lot like the compiler complaining that CharSequence is not a String. I confirmed in the source code that String implements the CharSequence interface, but the error message draws attention to the difference between String and CharSequence while hiding the real source of the trouble:

scala> cols
res8: Iterable[String] = List(Item, a, b)

scala> val header = String.join(",", cols)
<console>:13: error: overloaded method value join with alternatives:
  (x$1: CharSequence,x$2: java.lang.Iterable[_ <: CharSequence])String <and>
  (x$1: CharSequence,x$2: CharSequence*)String
 cannot be applied to (String, Iterable[String])
       val header = String.join(",", cols)

I was able to fix this problem with the realization that the problem wasn't String / CharSequence, but rather a mismatch between java.lang.Iterable and Scala's built-in Iterable.

scala> val header = String.join(",", coll: _*)
header: String = Item,a,b

My particular problem can also be solved via the answers at Scala: join an iterable of strings

In summary, OP and others who come across similar problems should parse the error messages very closely and see what other type conversions might be involved.

See MSDN.

public static class Extensions
{
  public static string SomeMethod(this Duration enumValue)
  {
    //Do something here
    return enumValue.ToString("D"); 
  }
}

Unicode escapes only work in unicode strings, so this

 a="\u2026"

is actually a string of 6 characters: '\', 'u', '2', '0', '2', '6'.

To make unicode out of this, use decode('unicode-escape'):

a="\u2026"
print repr(a)
print repr(a.decode('unicode-escape'))

## '\\u2026'
## u'\u2026'

In powershell:

function Recode($InCharset, $InFile, $OutCharset, $OutFile)  {
    # Read input file in the source encoding
    $Encoding = [System.Text.Encoding]::GetEncoding($InCharset)
    $Text = [System.IO.File]::ReadAllText($InFile, $Encoding)
    
    # Write output file in the destination encoding
    $Encoding = [System.Text.Encoding]::GetEncoding($OutCharset)    
    [System.IO.File]::WriteAllText($OutFile, $Text, $Encoding)
}

Recode Windows-1252 "$pwd\in.txt" utf8 "$pwd\out.txt" 

For a list of supported encoding names:

https://docs.microsoft.com/en-us/dotnet/api/system.text.encoding

The Chrome Webstore has an extension that adds the 'Access-Control-Allow-Origin' header for you when there is an asynchronous call in the page that tries to access a different host than yours.

The name of the extension is: "Allow-Control-Allow-Origin: *" and this is the link: https://chrome.google.com/webstore/detail/allow-control-allow-origi/nlfbmbojpeacfghkpbjhddihlkkiljbi

You can easily install 1.8 via PPA. Which can be done by:

$ sudo add-apt-repository ppa:webupd8team/java
$ sudo apt-get update
$ sudo apt-get install oracle-java8-installer

Then check the running version:

$ java -version

If you must do it manually there's already an answer for that on AskUbuntu here.

Use slidedown():

$("test").slideDown("slow");

I would add a detail to the most voted answer:

If you're using gvim and want to copy to the clipboard, use

"+<command>

To copy all the content between brackets (or parens or curly brackets)

For example: "+yi} will copy to the clipboard all the content between the curly brackets your cursor is.

This should work:

GetCountries():Observable<CountryData[]>  {
  return this.http.get(`http://services.groupkt.com/country/get/all`)
    .map((res:Response) => <CountryData[]>res.json());
}

For this to work you will need to import the following:

import 'rxjs/add/operator/map'

select ROW_NUMBER() over (order by pk_field ) as srno 
from TableName

import cv2
img=cv2.imread('my_test.jpg')
img_info = img.shape
print("Image height :",img_info[0])
print("Image Width :", img_info[1])
print("Image channels :", img_info[2])

Ouput :-

My_test.jpg link ---> https://i.pinimg.com/originals/8b/ca/f5/8bcaf5e60433070b3210431e9d2a9cd9.jpg

The code below worked for me I used part of the code above inside the button class.

public Button signupB;

public void handleButtonClick (){

    try {
        FXMLLoader fxmlLoader = new FXMLLoader();
        fxmlLoader.setLocation(getClass().getResource("sceneNotAvailable.fxml"));
        /*
         * if "fx:controller" is not set in fxml
         * fxmlLoader.setController(NewWindowController);
         */
        Scene scene = new Scene(fxmlLoader.load(), 630, 400);
        Stage stage = new Stage();
        stage.setTitle("New Window");
        stage.setScene(scene);
        stage.show();
    } catch (IOException e) {
        Logger logger = Logger.getLogger(getClass().getName());
        logger.log(Level.SEVERE, "Failed to create new Window.", e);
    }

}

}

In addition to Petr's answer, if you want to bind to a specific interface instead of all the interfaces you can use -b or --bind flag.

python -m http.server 8000 --bind 127.0.0.1

The above snippet should do the trick. 8000 is the port number. 80 is used as the standard port for HTTP communications.

To open a PDF at page 100 the follow works

<path to Adobe Reader> /A "page=100" "<Path To PDF file>"

If you require more than one argument separate them with &

I use the following in a batch file to open the book I'm reading to the page I was up to.

C:\Program Files\Adobe\Reader 10.0\Reader\AcroRd32.exe /A "page=149&pagemode=none" "D:\books\MCTS(70-562) ASP.Net 3.5 Development.pdf"

The best list of command line args for Adobe Reader I have found is here.
http://partners.adobe.com/public/developer/en/acrobat/PDFOpenParameters.pdf

It's for version 7 but all the arguments I tried worked.

As for closing the file, I think you will need to use the SDK, or if you are opening the file from code you could close the file from code once you have finished with it.

To tweak a bit in order to handle the case where the variable is not set you could use a default value:

@Value("${spring.profiles.active:unknown}")
private String activeProfile;

This way if spring.profiles.active is set, it will take it else it will take the default value unknown.

So no exception will be triggered. And no need to force add something like @ActiveProfiles("test") in your test to make it pass.

Once you started the Emulator from one shell, login to another shell & type

adb shell

You should see # prompt displayed, this is your device(emulator) shell. Now , type following command at adb shell.

mount -o remount rw /sdcard

This will now remount /sdcard with rw(read-write) permission & now you can push your files into /sdcard by using following command from your host shell.

`adb push filename.mp3 /sdcard,`

where filename.mp3 could be any file that you want to push into Android Emulator.

Hope this helps :)

Does exactly what you want.

System.IO.Directory.GetFiles

jezrael's answer is good, but did not answer a question I had: Will getting the "sort" flag wrong mess up my data in any way? The answer is apparently "no", you are fine either way.

from pandas import DataFrame, concat

a = DataFrame([{'a':1,      'c':2,'d':3      }])
b = DataFrame([{'a':4,'b':5,      'd':6,'e':7}])

>>> concat([a,b],sort=False)
   a    c  d    b    e
0  1  2.0  3  NaN  NaN
0  4  NaN  6  5.0  7.0

>>> concat([a,b],sort=True)
   a    b    c  d    e
0  1  NaN  2.0  3  NaN
0  4  5.0  NaN  6  7.0

I'd go with COUNT(1). It is faster than COUNT(*) because COUNT(*) tests to see if at least one column in that row is != NULL. You don't need that, especially because you already have a condition in place (the WHERE clause). COUNT(1) instead tests the validity of 1, which is always valid and takes a lot less time to test.

$( "#sortable" ).sortable({
    change: function(event, ui) {       
        var pos = ui.helper.index() < ui.placeholder.index() 
            ? { start: ui.helper.index(), end: ui.placeholder.index() }
            : { start: ui.placeholder.index(), end: ui.helper.index() }

        $(this)
            .children().removeClass( 'highlight' )
            .not( ui.helper ).slice( pos.start, pos.end ).addClass( 'highlight' );
    },
    stop: function(event, ui) {
        $(this).children().removeClass( 'highlight' );
    }
});

FIDDLE

An example of how it could be done inside change event without storing arbitrary data into element storage. Since the element where drag starts is ui.helper, and the element of current position is ui.placeholder, we can take the elements between those two indexes and highlight them. Also, we can use this inside handler since it refers to the element that the widget is attached. The example works with dragging in both directions.

Answer 1 : Yes it called upcasting but the way you do it is not modern way. Upcasting can be performed implicitly you don't need any conversion. So just writing Employee emp = mgr; is enough for upcasting.

Answer 2 : If you create object of Manager class we can say that manager is an employee. Because class Manager : Employee depicts Is-A relationship between Employee Class and Manager Class. So we can say that every manager is an employee.

But if we create object of Employee class we can not say that this employee is manager because class Employee is a class which is not inheriting any other class. So you can not directly downcast that Employee Class object to Manager Class object.

So answer is, if you want to downcast from Employee Class object to Manager Class object, first you must have object of Manager Class first then you can upcast it and then you can downcast it.

Use the function Contains from the strings package.

import (
    "strings"
)
strings.Contains("something", "some") // true

If at all you can't find .snt folder and above mentioned answers don't work for you. you can simply take plum.sqlite file and read it online or sqlite editor.

for online you can refer to http://inloop.github.io/sqlite-viewer/ link and browse the url as C:\Users\YOURUSERNAME\AppData\Local\Packages\Microsoft.MicrosoftStickyNotes_8wekyb3d8bbwe\LocalState

and pick sql lite file and execute it. Post executing select Note and you will find all rows corresponding to each sticky notes you have lost. Select the Text column and copy content, you will find all your data there.

ENJOY !!!!

//this should allow you to replica an animation effect for any css property, even //properties //that transform animation jQuery plugins do not allow

            function twistMyElem(){
                var ball = $('#form');
                document.getElementById('form').style.zIndex = 1;
                ball.animate({ zIndex : 360},{
                    step: function(now,fx){
                        ball.css("transform","rotateY(" + now + "deg)");
                    },duration:3000
                }, 'linear');
            } 

If you get a python error like this:

AttributeError: 'str' object has no attribute 'some_method'

You probably poisoned your object accidentally by overwriting your object with a string.

How to reproduce this error in python with a few lines of code:

#!/usr/bin/env python
import json
def foobar(json):
    msg = json.loads(json)

foobar('{"batman": "yes"}')

Run it, which prints:

AttributeError: 'str' object has no attribute 'loads'

But change the name of the variablename, and it works fine:

#!/usr/bin/env python
import json
def foobar(jsonstring):
    msg = json.loads(jsonstring)

foobar('{"batman": "yes"}')

This error is caused when you tried to run a method within a string. String has a few methods, but not the one you are invoking. So stop trying to invoke a method which String does not define and start looking for where you poisoned your object.

Try this (but once clicked, it is not reversible):

HTML:

<a id="test"><img src="normal-image.png"/></a>

CSS:

a#test {
    border: 0;
}
a#test:visited img, a#test:active img {
    background-image: url(clicked-image.png);
}

To build on JJC's helpful answer that builds on Louis's helpful answer...

With PhantomJS 2.1.1-windows this line works:

driver.execute_script("return navigator.userAgent")

If it doesn't work, you can still get the user agent via the log (to build on Mma's answer):

from selenium import webdriver
import json
from fake_useragent import UserAgent

dcap = dict(DesiredCapabilities.PHANTOMJS)
dcap["phantomjs.page.settings.userAgent"] = (UserAgent().random)
driver = webdriver.PhantomJS(executable_path=r"your_path", desired_capabilities=dcap)
har = json.loads(driver.get_log('har')[0]['message']) # get the log
print('user agent: ', har['log']['entries'][0]['request']['headers'][1]['value'])

Download "PuttyGEN" get publickey and privatekey use gcloud SSH edit and paste your publickey located in /home/USER/.ssh/authorized_keys

sudo vim ~/.ssh/authorized_keys

Tap the i key to paste publicKEY. To save, tap Esc, :, w, q, Enter. Edit the /etc/ssh/sshd_config file.

sudo vim /etc/ssh/sshd_config

Change

PasswordAuthentication no [...] ChallengeResponseAuthentication to no. [...] UsePAM no [...] Restart ssh

/etc/init.d/ssh restart.

the rest config your putty as tutorial NB:choose the pageant add keys and start session would be better

mkdir -p

-p, --parents no error if existing, make parent directories as needed

I am trying to update this answer with "express": "^4.16.3". This answer is the similar as ShortRound1911.

server.js

const express = require('express');_x000D_
const mongoose = require('mongoose');_x000D_
const bodyParser = require('body-parser');_x000D_
const db = require('./src/config/db');_x000D_
const routes = require('./src/routes');_x000D_
const port = 3001;_x000D_
_x000D_
const app = new express();_x000D_
_x000D_
//...use body-parser_x000D_
app.use(bodyParser.urlencoded({ extended: true }));_x000D_
_x000D_
//...fire connection_x000D_
mongoose.connect(db.url, (err, database) => {_x000D_
  if (err) return console.log(err);_x000D_
_x000D_
  //...fire the routes_x000D_
  app.use('/', routes);_x000D_
_x000D_
  app.listen(port, () => {_x000D_
    console.log('we are live on ' + port);_x000D_
  });_x000D_
});

/src/routes/index.js

const express = require('express');_x000D_
const app = express();_x000D_
_x000D_
const siswaRoute = require('./siswa_route');_x000D_
_x000D_
app.get('/', (req, res) => {_x000D_
  res.json({item: 'Welcome ini separated page...'});_x000D_
})_x000D_
.use('/siswa', siswaRoute);_x000D_
_x000D_
module.exports = app;

/src/routes/siswa_route.js

const express = require('express');_x000D_
const app = express();_x000D_
_x000D_
app.get('/', (req, res) => {_x000D_
  res.json({item: 'Siswa page...'});_x000D_
});_x000D_
_x000D_
module.exports = app;

I hope this can help someone. Happy coding!

SELECT
   CASE 
   WHEN xyz.something = 1 THEN 'SOMETEXT'
   WHEN xyz.somethingelse = 1 THEN 'SOMEOTHERTEXT'
   WHEN xyz.somethingelseagain = 2 THEN 'SOMEOTHERTEXTGOESHERE'
   ELSE 'SOMETHING UNKNOWN'
   END AS ColumnName;

You must escape special Regex symbols in input wildcard pattern (for example pattern *.txt will equivalent to ^.*\.txt$) So slashes, braces and many special symbols must be replaced with @"\" + s, where s - special Regex symbol.

With performance penalty and if you need todo it only in SQL you can use the FORMAT function and 3 REPLACE : After the format replace the . with another char for example @, then replace the , with a . and then the chararacter you choose by a , which lead you for your example to 1.111,00

SELECT REPLACE(REPLACE(REPLACE(FORMAT("1111.00", 2), ".", "@"), ",", "."), "@", ",")

Now there are a lot of cloud providers , providing solutions like MBaaS (Mobile Backend as a Service). Some only give access to cloud database, some will do the user management for you, some let you place code around cloud database and there are facilities of access control, push notifications, analytics, integrated image and file hosting etc.

Here are some providers which have a "free-tier" (may change in future):

1. Firebase (Google) - https://firebase.google.com/
2. AWS Mobile (Amazon) - https://aws.amazon.com/mobile/
3. Azure Mobile (Microsoft) - https://azure.microsoft.com/en-in/services/app-service/mobile/
4. MongoDB Realm (MongoDB) - https://www.mongodb.com/realm
5. Back4app (Popular) - https://www.back4app.com/

Open source solutions:

1. Parse - http://parseplatform.org/
2. Apache User Grid - https://usergrid.apache.org/
3. SupaBase (under development) - https://supabase.io/

Yes!

Here you have another example:

UPDATE prices
SET final_price= CASE
   WHEN currency=1 THEN 0.81*final_price
   ELSE final_price
END

This works because MySQL doesn't update the row, if there is no change, as mentioned in docs:

If you set a column to the value it currently has, MySQL notices this and does not update it.

You are right. The code you've provided only checks if there is a network connection. The best way to check if there is an active Internet connection is to try and connect to a known server via http.

public static boolean hasActiveInternetConnection(Context context) {
    if (isNetworkAvailable(context)) {
        try {
            HttpURLConnection urlc = (HttpURLConnection) (new URL("http://www.google.com").openConnection());
            urlc.setRequestProperty("User-Agent", "Test");
            urlc.setRequestProperty("Connection", "close");
            urlc.setConnectTimeout(1500); 
            urlc.connect();
            return (urlc.getResponseCode() == 200);
        } catch (IOException e) {
            Log.e(LOG_TAG, "Error checking internet connection", e);
        }
    } else {
        Log.d(LOG_TAG, "No network available!");
    }
    return false;
}

Of course you can substitute the http://www.google.com URL for any other server you want to connect to, or a server you know has a good uptime.

As Tony Cho also pointed out in this comment below, make sure you don't run this code on the main thread, otherwise you'll get a NetworkOnMainThread exception (in Android 3.0 or later). Use an AsyncTask or Runnable instead.

If you want to use google.com you should look at Jeshurun's modification. In his answer he modified my code and made it a bit more efficient. If you connect to

HttpURLConnection urlc = (HttpURLConnection) 
            (new URL("http://clients3.google.com/generate_204")
            .openConnection());

and then check the responsecode for 204

return (urlc.getResponseCode() == 204 && urlc.getContentLength() == 0);

then you don't have to fetch the entire google home page first.

The cause of the error is the use of the internal PHP programming data structures function, array_shift() [php.net/end].

The function takes an array as a parameter. Although an ampersand is indicated in the prototype of array_shift() in the manual", there isn't any cautionary documentation following in the extended definition of that function, nor is there any apparent explanation that the parameter is in fact passed by reference.

Perhaps this is /understood/. I did not understand, however, so it was difficult for me to detect the cause of the error.

Reproduce code:

function get_arr()
{
    return array(1, 2);
}
$array = get_arr();
$el = array_shift($array);

It points to your top level output directory (which by default is target):

https://web.archive.org/web/20150527103929/http://docs.codehaus.org/display/MAVENUSER/MavenPropertiesGuide

EDIT: As has been pointed out, Codehaus is now sadly defunct. You can find details about these properties from Sonatype here:

http://books.sonatype.com/mvnref-book/reference/resource-filtering-sect-properties.html#resource-filtering-sect-project-properties

If you are ever trying to reference output directories in Maven, you should never use a literal value like target/classes. Instead you should use property references to refer to these directories.

    project.build.sourceDirectory
    project.build.scriptSourceDirectory
    project.build.testSourceDirectory
    project.build.outputDirectory
    project.build.testOutputDirectory
    project.build.directory

sourceDirectory, scriptSourceDirectory, and testSourceDirectory provide access to the source directories for the project. outputDirectory and testOutputDirectory provide access to the directories where Maven is going to put bytecode or other build output. directory refers to the directory which contains all of these output directories.

if you need to decompile standalone jar try JD-GUI by the same autor (of JD-Eclipse). It is a standalone application (does not need eclipse). It can open both *.class and *.jar files. Interesting enough it needs .Net installed (as do JD-Eclipse indeed), but otherwise works like a charm.

Find it here:

http://jd.benow.ca/

Regards,

The first argument is the file you wish to execute, and the second argument is an array of null-terminated strings that represent the appropriate arguments to the file as specified in the man page.

For example:

char *cmd = "ls";
char *argv[3];
argv[0] = "ls";
argv[1] = "-la";
argv[2] = NULL;

execvp(cmd, argv); //This will run "ls -la" as if it were a command

CaseInsensitiveString is not a String although it contains a String. A String literal e.g "example" can be only assigned to a String.

Do you really need an object? What about:

$myArray[] = array("name" => "my name");

Just use a two-dimensional array.

Output (var_dump):

array(1) {
  [0]=>
  array(1) {
    ["name"]=>
    string(7) "my name"
  }
}

You could access your last entry like this:

echo $myArray[count($myArray) - 1]["name"];

"Better" is subjective.

querySelector is the newer feature.

getElementById is better supported than querySelector.

querySelector is better supported than getElementsByClassName.

querySelector lets you find elements with rules that can't be expressed with getElementById and getElementsByClassName

You need to pick the appropriate tool for any given task.

(In the above, for querySelector read querySelector / querySelectorAll).

You can use clone, and then since each div has a class of car_well you can use insertAfter to insert after the last div.

$("#car2").clone().insertAfter("div.car_well:last");

try this

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="@color/upkia"/>
<corners android:radius="10dp"
    android:topRightRadius="0dp"
    android:bottomRightRadius="0dp" />
</shape>

If an instance of an object is available, then the simplest way to get its Class is to invoke Object.getClass()

The .class Syntax

If the type is available but there is no instance then it is possible to obtain a Class by appending .class to the name of the type. This is also the easiest way to obtain the Class for a primitive type.

boolean b;
Class c = b.getClass();   // compile-time error

Class c = boolean.class;  // correct

See: docs.oracle.com about class

We can use dplyr to select only numeric columns and purr to get sum for all columns. (can be used to get what ever value for all columns, such as mean, min, max, etc. )

library("dplyr")
library("purrr")

people %>%
    select_if(is.numeric) %>%
    map_dbl(sum)

Or another easy way by only using dplyr

library("dplyr")
people %>%
    summarize_if(is.numeric, sum, na.rm=TRUE)

IntegraStudio enables syntax coloring, building, debugging and finding definition and references (F12 and ALT-F12) for Java projects in Visual Studio.

If ctrl+c doesn't respond right away because your script is too long/complex, hold it.

The break command doesn't run when matlab is executing some of its deeper scripts, and either it won't log a ctrl sequence in the buffer, or it clears the buffer just before or just after it completes those pieces of code. In either case, when matlab returns to execute more of your script, it will recognize that you are holding ctrl+c and terminate.

For longer running programs, I usually try to find a good place to provide a status update and I always accompany that with some measure of time using tic and toc. Depending on what I am doing, I might use run time, segment time, some kind of average, etc...

For really long running programs, I found this to be exceptionally useful http://www.mathworks.com/matlabcentral/fileexchange/16649-send-text-message-to-cell-phone/content/send_text_message.m

but it looks like they have some newer functions for this too.

ES7, using a regex for get(). Based on MDN

const Cookie = {
    get: name => {
        let c = document.cookie.match(`(?:(?:^|.*; *)${name} *= *([^;]*).*$)|^.*$`)[1]
        if (c) return decodeURIComponent(c)
    },
    set: (name, value, opts = {}) => {
        /*If options contains days then we're configuring max-age*/
        if (opts.days) {
            opts['max-age'] = opts.days * 60 * 60 * 24;

            /*Deleting days from options to pass remaining opts to cookie settings*/
            delete opts.days 
        }

        /*Configuring options to cookie standard by reducing each property*/
        opts = Object.entries(opts).reduce(
            (accumulatedStr, [k, v]) => `${accumulatedStr}; ${k}=${v}`, ''
        )

        /*Finally, creating the key*/
        document.cookie = name + '=' + encodeURIComponent(value) + opts
    },
    delete: (name, opts) => Cookie.set(name, '', {'max-age': -1, ...opts}) 
    // path & domain must match cookie being deleted 
}

Cookie.set('user', 'Jim', {path: '/', days: 10}) 
// Set the path to top level (instead of page) and expiration to 10 days (instead of session)

Usage - Cookie.get(name, value [, options]):
options supports all standard cookie options and adds "days":

• path: '/' - any absolute path. Default: current document location,
• domain: 'sub.example.com' - may not start with dot. Default: current host without subdomain.
• secure: true - Only serve cookie over https. Default: false.
• days: 2 - days till cookie expires. Default: End of session.
  Alternative ways of setting expiration:
  • expires: 'Sun, 18 Feb 2018 16:23:42 GMT' - date of expiry as a GMT string.
    Current date can be gotten with: new Date(Date.now()).toUTCString()
  • 'max-age': 30 - same as days, but in seconds instead of days.

Other answers use "expires" instead of "max-age" to support older IE versions. This method requires ES7, so IE7 is out anyways (this is not a big deal).

Note: Funny characters such as "=" and "{:}" are supported as cookie values, and the regex handles leading and trailing whitespace (from other libs).
If you would like to store objects, either encode them before and after with and JSON.stringify and JSON.parse, edit the above, or add another method. Eg:

Cookie.getJSON = name => JSON.parse(Cookie.get(name))
Cookie.setJSON = (name, value, opts) => Cookie.set(name, JSON.stringify(value), opts);

use "" with the string resource value.

Example :

<string>"value with spaces"</string>

OR

use \u0020 code for spaces.

Objective-C

UIViewController *controller = [UIApplication sharedApplication].keyWindow.rootViewController;

Swift 2.0

let viewController = UIApplication.sharedApplication().keyWindow?.rootViewController

Swift 5

let viewController = UIApplication.shared.keyWindow?.rootViewController

1. If you want to get error messages saved in a file

   zz <- file("Errors.txt", open="wt")
   sink(zz, type="message")
   

   the output will be:

   Error in print(errr) : object 'errr' not found
   Execution halted
   

   This output will be saved in a file named Errors.txt

2. In case, you want printed values of console to a file you can use 'split' argument:

   zz <- file("console.txt", open="wt")
   sink(zz,  split=TRUE)
   print("cool")
   print(errr)
   

   output will be:

   [1] "cool"
   

   in console.txt file. So all your console output will be printed in a file named console.txt

You could just divide your two numbers and multiply by 100. Note that this will throw an error if "whole" is 0, as asking what percentage of 0 a number is does not make sense:

def percentage(part, whole):
  return 100 * float(part)/float(whole)

Or with a % at the end:

 def percentage(part, whole):
  Percentage = 100 * float(part)/float(whole)
  return str(Percentage) + “%”

Or if the question you wanted it to answer was "what is 5% of 20", rather than "what percentage is 5 of 20" (a different interpretation of the question inspired by Carl Smith's answer), you would write:

def percentage(percent, whole):
  return (percent * whole) / 100.0

Here are some ways to edit the text and the size of the box:

rows="insertNumber"
cols="insertNumber"
style="font-size:12pt"

Example:

<textarea rows="5" cols="30" style="font-size: 12pt" id="myText">Enter 
Text Here</textarea>

byte[] buff = {1, -2, 5, 66};
for(byte c : buff) {
    System.out.format("%d ", c);
}
System.out.println();

gets you

1 -2 5 66 

Split a string into lines without any allocation.

public static LineEnumerator GetLines(this string text) {
    return new LineEnumerator( text.AsSpan() );
}

internal ref struct LineEnumerator {

    private ReadOnlySpan<char> Text { get; set; }
    public ReadOnlySpan<char> Current { get; private set; }

    public LineEnumerator(ReadOnlySpan<char> text) {
        Text = text;
        Current = default;
    }

    public LineEnumerator GetEnumerator() => this;

    public bool MoveNext() {
        if (Text.IsEmpty) return false;

        var index = Text.IndexOf( '\n' ); // \r\n or \n
        if (index != -1) {
            Current = Text.Slice( 0, index + 1 );
            Text = Text.Slice( index + 1 );
            return true;
        } else {
            Current = Text;
            Text = ReadOnlySpan<char>.Empty;
            return true;
        }
    }


}

#include<iostream>

using namespace std;

class employee
{
    int idnum;
    double salary;
    public:
        employee(){}

        employee(int a,int b)
        {
            idnum=a;
            salary=b;
        }

        void dis()
        {
            cout<<"1st emp:"<<endl<<"idnum="<<idnum<<endl<<"salary="<<salary<<endl<<endl;
        }

        void operator=(employee &emp)
        {
            idnum=emp.idnum;
            salary=emp.salary;
        }

        void show()
        {
            cout<<"2nd emp:"<<endl<<"idnum="<<idnum<<endl<<"salary="<<salary<<endl;
        }
};

main()
{
    int a;
    double b;

    cout<<"enter id num and salary"<<endl;
    cin>>a>>b;
    employee e1(a,b);
    e1.dis();
    employee e2;
    e2=e1;
    e2.show();  
}

According to spark documentation "where() is an alias for filter()"

filter(condition) Filters rows using the given condition. where() is an alias for filter().

Parameters: condition – a Column of types.BooleanType or a string of SQL expression.

>>> df.filter(df.age > 3).collect()
[Row(age=5, name=u'Bob')]
>>> df.where(df.age == 2).collect()
[Row(age=2, name=u'Alice')]

>>> df.filter("age > 3").collect()
[Row(age=5, name=u'Bob')]
>>> df.where("age = 2").collect()
[Row(age=2, name=u'Alice')]

Using individual regular expressions to test the different parts would be considerably easier than trying to get one single regular expression to cover all of them. It also makes it easier to add or remove validation criteria.

Note, also, that your usage of .filter() was incorrect; it will always return a jQuery object (which is considered truthy in JavaScript). Personally, I'd use an .each() loop to iterate over all of the inputs, and report individual pass/fail statuses. Something like the below:

$(".buttonClick").click(function () {

    $("input[type=text]").each(function () {
        var validated =  true;
        if(this.value.length < 8)
            validated = false;
        if(!/\d/.test(this.value))
            validated = false;
        if(!/[a-z]/.test(this.value))
            validated = false;
        if(!/[A-Z]/.test(this.value))
            validated = false;
        if(/[^0-9a-zA-Z]/.test(this.value))
            validated = false;
        $('div').text(validated ? "pass" : "fail");
        // use DOM traversal to select the correct div for this input above
    });
});

Working demo

You'll also get this error if you accidentally define the same bean in two different classes. That happened to me. The error message was misleading. When I removed the extra bean, the issue was resolved.

You need to enable virtualization using BIOS setup.

step 1. Restart your PC and when your PC booting up then press your BIOS setup key (F1 or F2 or google it your BIOS setup key).

step 2. Go to the security menu.

step 3. Select virtualization and enable it.

Note:- BIOS setup depends on PC Manufacturer-brand.

I resolve this (On Eclipse IDE) by delete my old server and create the same again. This error is because you don't proper terminate Tomcat server and close Eclipse.

Try the code

awk '{s=($3==0)?"-":$3/$4; print s}'

You also can use this:

// GET api/user/firstname/lastname/address
[HttpGet("{firstName}/{lastName}/{address}")]
public string GetQuery(string id, string firstName, string lastName, string address)
{
    return $"{firstName}:{lastName}:{address}";
}

Note: Please refer to metalheart's and metalheart and Mark Hughes for a possibly better approach.

I recommend always using a named range (as you have suggested you are doing) because if any columns or rows are added or deleted, the name reference will update, whereas if you hard code the cell reference (eg "H1" as suggested in one of the responses) in VBA, then it will not update and will point to the wrong cell.

So

Range("RefNo") = InputBox("....") 

is safer than

Range("H1") = InputBox("....") 

You can set the value of several cells, too.

Range("Results").Resize(10,3) = arrResults()

where arrResults is an array of at least 10 rows & 3 columns (and can be any type). If you use this, put this

Option Base 1

at the top of the VBA module, otherwise VBA will assume the array starts at 0 and put a blank first row and column in the sheet. This line makes all arrays start at 1 as a default (which may be abnormal in most languages but works well with spreadsheets).

$ PGPASSWORD="mypass" pg_dump -i -h localhost -p 5432 -U username -F c -b -v -f dumpfilename.dump databasename

Well, like Dean said, you can look at the registry and do what he did. To check if he really has CLR .NET Framework installed, you should look for the MSCorEE.dll file in the %SystemRoot%\System32 directory.

select * from [tbl] where [link] is not null and len([link]) > 1

For MySQL user:

LENGTH([link]) > 1

you can also use:

SELECT CASE
         WHEN upper(t.name) like 'P%' THEN
          'productive'
         WHEN upper(t.name) like 'T%' THEN
          'test'
         WHEN upper(t.name) like 'D%' THEN
          'development'
         ELSE
          'unknown'
       END as type
FROM table t

HTML: text/html, full-stop.

XHTML: application/xhtml+xml, or only if following HTML compatbility guidelines, text/html. See the W3 Media Types Note.

XML: text/xml, application/xml (RFC 2376).

There are also many other media types based around XML, for example application/rss+xml or image/svg+xml. It's a safe bet that any unrecognised but registered ending in +xml is XML-based. See the IANA list for registered media types ending in +xml.

(For unregistered x- types, all bets are off, but you'd hope +xml would be respected.)

I would recommend EclipseUML from Omondo for general usage, although I did experience some problems a few months back, with my web projects. They had a free edition at one point in time, but that is supposedly no longer promoted.

If you are really keen on reverse engineering sequence diagrams from source code, I would recommend jTracert.

As far as Eclipse projects themselves are concerned, the Eclipse UML2 Tools project might support reverse engineering, although I've have never seen its use in practice.

The MoDisco (Model Discovery) project Eclipse GMT project seems to be clearer in achieving your objective. The list of technology specific tools would be a good place to start with.

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();

In .NET you can use grouping to your advantage like this:

http://regexhero.net/tester/?id=65b32601-2326-4ece-912b-6dcefd883f31

You'll notice that:

(ABC)|(.)

Will grab everything except ABC in the 2nd group. Parenthesis surround each group. So (ABC) is group 1 and (.) is group 2.

So you just grab the 2nd group like this in a replace:

$2

Or in .NET look at the Groups collection inside the Regex class for a little more control.

You should be able to do something similar in most other regex implementations as well.

UPDATE: I found a much faster way to do this here: http://regexhero.net/tester/?id=997ce4a2-878c-41f2-9d28-34e0c5080e03

It still uses grouping (I can't find a way that doesn't use grouping). But this method is over 10X faster than the first.

The easiest method to solve your problem (without going to a different editor or learning regex) is to record a macro.

• Place your cursor at the start of your text, click the 'record' button in the ribbon, and then edit just that one row of text. You may only use arrow keys or ctrl+arrow keys to move around characters/words rather than clicking with your mouse. The 'home' and 'end' keys are also useful.
• When you're finished with that one line, move your cursor (again without using the mouse) to the start of the next line.
• Click the 'stop recording' button.
• Click the 'play macro' button to check that it works on the next line as expected.
• Click the 'run macro multiple times' to do it again, and again, and again... :P

// in the HTML code I used some razor
@Html.Hidden("RedirectTo", Url.Action("Action", "Controller"));

// now down in the script I do this
<script type="text/javascript">

var url = $("#RedirectTo").val();

$(document).ready(function () {
    $.ajax({
        dataType: 'json',
        type: 'POST',
        url: '/Controller/Action',
        success: function (result) {
            if (result.UserFriendlyErrMsg === 'Some Message') {
                // display a prompt
                alert("Message: " + result.UserFriendlyErrMsg);
                // redirect us to the new page
                location.href = url;
            }
            $('#friendlyMsg').html(result.UserFriendlyErrMsg);
        }
    });
</script>

Please run below code may it helps you :)

var str = "this,is,an,example";_x000D_
var strArr = str.split(',');_x000D_
var data = "";_x000D_
for(var i=0; i<strArr.length; i++){_x000D_
  data += "Index : "+i+" value : "+strArr[i]+"<br/>";_x000D_
}_x000D_
document.getElementById('print').innerHTML = data;

<div id="print">_x000D_
</div>

Check that you have enough rights to workspace directory. I got this error when I didn't have write permission to workspace.

CTRL + M + O will collapse all.

CTRL + M + L will expand all. (in VS 2013 - Toggle All outlining)

CTRL + M + P will expand all and disable outlining.

CTRL + M + M will collapse/expand the current section.

CTRL + M + A will collapse all even in Html files.

These controls are also in the context menu under Outlining.

Right click in editor -> Outlining to find these controls. (After disabling outlining, use same steps to enable outlining.)

For outlining options: Go to Tools -> Options -> Text Editor -> C# -> Advanced -> Outlining for outlining options.

I stumbled over the same issue and found a nice solution which does not need any static ip configuration:

You can access a service via it's DNS name (as mentioned by you): servicename.namespace.svc.cluster.local

You can use that DNS name to reference it in another namespace via a local service:

kind: Service
apiVersion: v1
metadata:
  name: service-y
  namespace: namespace-a
spec:
  type: ExternalName
  externalName: service-x.namespace-b.svc.cluster.local
  ports:
  - port: 80

With Java 9 you can do the following:

Set.of("a", "b");

and you'll get an immutable Set containing the elements. For details see the Oracle documentation of interface Set.

Find config.inc file under C:\wamp\apps\phpmyadmin3.5.1 Inside this file find this one line

$cfg['Servers'][$i]['password'] =";

and replace it with

$cfg['Servers'][$i]['password'] = 'Type your root password here';

Somehow easy install doesn't work on my old mac (10.8). This solve my problem.

wget https://bootstrap.pypa.io/get-pip.py
sudo python get-pip.py

If you do not have wget, just open in browser https://bootstrap.pypa.io/get-pip.py then save as get-pip.py

Here is a another method of creating a List of anonymous types that allows you to start with an empty list, but still have access to IntelliSense.

var items = "".Select( t => new {Id = 1, Name = "foo"} ).ToList();

If you wanted to keep the first item, just put one letter in the string.

var items = "1".Select( t => new {Id = 1, Name = "foo"} ).ToList();

$('#message').html('');

You can use this method too. Because everything between the open and close tag of textarea is html code.

You can use css or js for hiding a div. In else statement you can write it as:

else{
?>
<style type="text/css">#divId{
display:none;
}</style>
<?php
}

Or in jQuery

else{
?>
<script type="text/javascript">$('#divId').hide()</script>
<?php
}

Or in javascript

else{
?>
<script type="text/javascript">document.getElementById('divId').style.display = 'none';</script>
<?php
}

If you want give some default value to a parameter assign value in (). like (x =10). But important is first should compulsory argument then default value.

eg.

(y, x =10)

but

(x=10, y) is wrong

I was looking for a simple solution to use for python 3.x and windows. There doesn't seem to be support from textract, which is unfortunate, but if you are looking for a simple solution for windows/python 3 checkout the tika package, really straight forward for reading pdfs.

Tika-Python is a Python binding to the Apache Tika™ REST services allowing Tika to be called natively in the Python community.

from tika import parser # pip install tika

raw = parser.from_file('sample.pdf')
print(raw['content'])

Note that Tika is written in Java so you will need a Java runtime installed

You could use the library lxml (Note top level link is now spam) , which is a superset of ElementTree. Its tostring() method includes a parameter pretty_print - for example:

>>> print(etree.tostring(root, pretty_print=True))
<root>
  <child1/>
  <child2/>
  <child3/>
</root>

you should to delete your the Override onOptionsItemSelected and replate your onCreateOptionsMenu with this code

@Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_action_bar_finish_order_stop, menu);
        menu.getItem(0).setOnMenuItemClickListener(new FinishOrderStopListener(this, getApplication(), selectedChild));
        return true;

    }

The SOLabel works for me.

Swift 3 & 5:

This version has been updated from the original to allow support for RTL languages:

public class VerticalAlignLabel: UILabel {
    enum VerticalAlignment {
        case top
        case middle
        case bottom
    }

    var verticalAlignment : VerticalAlignment = .top {
        didSet {
            setNeedsDisplay()
        }
    }

    override public func textRect(forBounds bounds: CGRect, limitedToNumberOfLines: Int) -> CGRect {
        let rect = super.textRect(forBounds: bounds, limitedToNumberOfLines: limitedToNumberOfLines)

        if UIView.userInterfaceLayoutDirection(for: .unspecified) == .rightToLeft {
            switch verticalAlignment {
            case .top:
                return CGRect(x: self.bounds.size.width - rect.size.width, y: bounds.origin.y, width: rect.size.width, height: rect.size.height)
            case .middle:
                return CGRect(x: self.bounds.size.width - rect.size.width, y: bounds.origin.y + (bounds.size.height - rect.size.height) / 2, width: rect.size.width, height: rect.size.height)
            case .bottom:
                return CGRect(x: self.bounds.size.width - rect.size.width, y: bounds.origin.y + (bounds.size.height - rect.size.height), width: rect.size.width, height: rect.size.height)
            }
        } else {
            switch verticalAlignment {
            case .top:
                return CGRect(x: bounds.origin.x, y: bounds.origin.y, width: rect.size.width, height: rect.size.height)
            case .middle:
                return CGRect(x: bounds.origin.x, y: bounds.origin.y + (bounds.size.height - rect.size.height) / 2, width: rect.size.width, height: rect.size.height)
            case .bottom:
                return CGRect(x: bounds.origin.x, y: bounds.origin.y + (bounds.size.height - rect.size.height), width: rect.size.width, height: rect.size.height)
            }
        }
    }

    override public func drawText(in rect: CGRect) {
        let r = self.textRect(forBounds: rect, limitedToNumberOfLines: self.numberOfLines)
        super.drawText(in: r)
    }
}

Swift 1:

class UIVerticalAlignLabel: UILabel {

enum VerticalAlignment : Int {
    case VerticalAlignmentTop = 0
    case VerticalAlignmentMiddle = 1
    case VerticalAlignmentBottom = 2
}

var verticalAlignment : VerticalAlignment = .VerticalAlignmentTop {
    didSet {
        setNeedsDisplay()
    }
}

required init(coder aDecoder: NSCoder){
    super.init(coder: aDecoder)
}

override func textRectForBounds(bounds: CGRect, limitedToNumberOfLines: Int) -> CGRect {
    let rect = super.textRectForBounds(bounds, limitedToNumberOfLines: limitedToNumberOfLines)

    switch(verticalAlignment) {
        case .VerticalAlignmentTop:
            return CGRectMake(bounds.origin.x, bounds.origin.y, rect.size.width, rect.size.height)
        case .VerticalAlignmentMiddle:
            return CGRectMake(bounds.origin.x, bounds.origin.y + (bounds.size.height - rect.size.height) / 2, rect.size.width, rect.size.height)
        case .VerticalAlignmentBottom:
            return CGRectMake(bounds.origin.x, bounds.origin.y + (bounds.size.height - rect.size.height), rect.size.width, rect.size.height)
        default:
            return bounds
    }
}

override func drawTextInRect(rect: CGRect) {
    let r = self.textRectForBounds(rect, limitedToNumberOfLines: self.numberOfLines)
    super.drawTextInRect(r)
    }
}

There is one additional step to Amber's answer if you're using a centralized repository:

git push -f to force the update of the central repository.

Be careful that there are not a lot of people working on the same branch because it can ruin consistency.

So, I've found a solution for what I'm looking for, which is:

print open('f2').read().decode('string-escape').decode("utf-8")

There are some unusual codecs that are useful here. This particular reading allows one to take UTF-8 representations from within Python, copy them into an ASCII file, and have them be read in to Unicode. Under the "string-escape" decode, the slashes won't be doubled.

This allows for the sort of round trip that I was imagining.

I use

$location.search('key', null)

As this not only deletes my key but removes it from the visibility on the URL.

Yes, but you need to move the variable assignment into the query:

SET @user := 123456;
SELECT @group := `group` FROM user WHERE user = @user;
SELECT * FROM user WHERE `group` = @group;

Test case:

CREATE TABLE user (`user` int, `group` int);
INSERT INTO user VALUES (123456, 5);
INSERT INTO user VALUES (111111, 5);

Result:

SET @user := 123456;
SELECT @group := `group` FROM user WHERE user = @user;
SELECT * FROM user WHERE `group` = @group;

+--------+-------+
| user   | group |
+--------+-------+
| 123456 |     5 |
| 111111 |     5 |
+--------+-------+
2 rows in set (0.00 sec)

Note that for SET, either = or := can be used as the assignment operator. However inside other statements, the assignment operator must be := and not = because = is treated as a comparison operator in non-SET statements.

UPDATE:

Further to comments below, you may also do the following:

SET @user := 123456;
SELECT `group` FROM user LIMIT 1 INTO @group; 
SELECT * FROM user WHERE `group` = @group;

allocationSize=1 It is a micro optimization before getting query Hibernate tries to assign value in the range of allocationSize and so try to avoid querying database for sequence. But this query will be executed every time if you set it to 1. This hardly makes any difference since if your data base is accessed by some other application then it will create issues if same id is used by another application meantime .

Next generation of Sequence Id is based on allocationSize.

By defualt it is kept as 50 which is too much. It will also only help if your going to have near about 50 records in one session which are not persisted and which will be persisted using this particular session and transation.

So you should always use allocationSize=1 while using SequenceGenerator. As for most of underlying databases sequence is always incremented by 1.

In the very right bottom corner, left to the smiley there was the icon saying "Plain Text". When you click it, the menu with all languages appears where you can choose your desired language.

To reset the styles defined for legend in bootstrap, you can do following in your css file:

legend {
  all: unset;
}

Ref: https://css-tricks.com/almanac/properties/a/all/

The all property in CSS resets all of the selected element's properties, except the direction and unicode-bidi properties that control text direction.

Possible values are: initial, inherit & unset.

Side note: clear property is used in relation with float (https://css-tricks.com/almanac/properties/c/clear/)

The command for listing all triggers is:

show triggers;

or you can access the INFORMATION_SCHEMA table directly by:

select trigger_schema, trigger_name, action_statement
from information_schema.triggers

• You can do this from version 5.0.10 onwards.
• More information about the TRIGGERS table is here.

When you need the column names, but do not want to grab entries:

PreparedStatement stmt = connection.prepareStatement("SHOW COLUMNS FROM `yourTable`");

ResultSet set = stmt.executeQuery();

//store all of the columns names
List<String> names = new ArrayList<>();
while (set.next()) { names.add(set.getString("Field")); }

NOTE: Only works with MySQL

Base on @ashakirov answer, here is my extension to show/hide view with fade animation

fun View.fadeVisibility(visibility: Int, duration: Long = 400) {
    val transition: Transition = Fade()
    transition.duration = duration
    transition.addTarget(this)
    TransitionManager.beginDelayedTransition(this.parent as ViewGroup, transition)
    this.visibility = visibility
}

Example using

view.fadeVisibility(View.VISIBLE)
view.fadeVisibility(View.GONE, 2000)

Putty on ubuntu There is no need to install the driver for PL2303 So only type the command to enable the putty Sudo chmod 666 /dev/ttyUSB0 Done Open the putty.

it works for me, just change: Provider=Microsoft.Jet.OLEDB.4.0 (VS2013)

OleDbConnection connection = new OleDbConnection(
"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Z:\\GENERAL\\OFMPTP_PD_SG.MDB");
DataSet DS = new DataSet();
connection.Open();

string query =
@"SELECT * from MONTHLYPROD";
OleDbDataAdapter DBAdapter = new OleDbDataAdapter();
DBAdapter.SelectCommand = new OleDbCommand(query, connection);
DBAdapter.Fill(DS);

Luis Montoya

You can use WMI to get CPU percentage information. You can even log into a remote computer if you have the correct permissions. Look at http://www.csharphelp.com/archives2/archive334.html to get an idea of what you can accomplish.

Also helpful might be the MSDN reference for the Win32_Process namespace.

See also a CodeProject example How To: (Almost) Everything In WMI via C#.

I just came around this question, but the answers did not satisfy me. So i rolled my own:

echo $(seq 254) | xargs -P255 -I% -d" " ping -W 1 -c 1 192.168.0.% | grep -E "[0-1].*?:"

• Advantage 1: You don't need to install any additional tool
• Advantage 2: It's fast. It does everything in Parallel with a timout for every ping of 1s ("-W 1"). So it will finish in 1s :)
• Advantage 3: The output is like this

64 bytes from 192.168.0.16: icmp_seq=1 ttl=64 time=0.019 ms
64 bytes from 192.168.0.12: icmp_seq=1 ttl=64 time=1.78 ms
64 bytes from 192.168.0.21: icmp_seq=1 ttl=64 time=2.43 ms
64 bytes from 192.168.0.1: icmp_seq=1 ttl=64 time=1.97 ms
64 bytes from 192.168.0.11: icmp_seq=1 ttl=64 time=619 ms

Edit: And here is the same as script, for when your xargs do not have the -P flag, as is the case in openwrt (i just found out)

for i in $(seq 255);
do
 ping -W 1 -c 1 10.0.0.$i | grep 'from' &
done

If possible, you should design your code such that the collections aren't null in the first place.

null collections are bad practice (for this reason); you should use empty collections instead. (eg, Collections.emptyList())

Alternatively, you could make a wrapper class that implements Iterable and takes a collections, and handles a null collection.
You could then write foreach(T obj : new Nullable<T>(list1))

async Task<int> LongTask1() { 
  ...
  return 0; 
}

async Task<int> LongTask2() { 
  ...
  return 1; 
}

...
{
   Task<int> t1 = LongTask1();
   Task<int> t2 = LongTask2();
   await Task.WhenAll(t1,t2);
   //now we have t1.Result and t2.Result
}

select substring(@@version,0,charindex(convert(varchar,SERVERPROPERTY('productversion')) ,@@version)+len(convert(varchar,SERVERPROPERTY('productversion')))) 

The original question asked for ignoring SVN and CVS directories, which can be done by adding -prune to the find command. E.g to ignore CVS:

find . -name CVS -prune -o -exec mv '{}' `echo {} | tr '[A-Z]' '[a-z]'` \; -print

[edit] I tried this out, and embedding the lower-case translation inside the find didn't work for reasons I don't actually understand. So, amend this to:

$> cat > tolower
#!/bin/bash
mv $1 `echo $1 | tr '[:upper:]' '[:lower:]'`
^D
$> chmod u+x tolower 
$> find . -name CVS -prune -o -exec tolower '{}'  \;

Ian

Here you can find exactly what you are looking for.

<div align="center">
  <input type="radio" name="name_radio1" id="id_radio1" value="value_radio1">Radio1
  <input type="radio" name="name_radio1" id="id_radio2" value="value_radio2">Radio2
</div>
 <br />
<div align="center" id="id_data" style="border:5">
  <div>this is div 1</div>
  <div>this is div 2</div>
  <div>this is div 3</div>
  <div>this is div 4</div>
</div>
<script src="jquery.js"></script>
<script>
 $(document).ready(function() {
 // show the table as soon as the DOM is ready
 $("#id_data").show();
 // shows the table on clicking the noted link
  $("#id_radio1").click(function() {
   $("#id_data").show("slow");
  });
 // hides the table on clicking the noted link
   $("#id_radio2").click(function() {
   $("#id_data").hide("fast");
   });
 });

  $(document).ready(function(){} – When document load.
  $("#id_data").show(); – shows div which contain id #id_data.
  $("#id_radio1").click(function() – Checks  radio button is clicked containing id #id_radio1.
  $("#id_data").show("slow"); – shows div containing id #id_data.
  $("#id_data").hide("fast"); -hides div when click on radio button containing id #id_data.

Thats it..

http://patelmilap.wordpress.com/2011/02/04/show-hide-div-on-click-using-jquery/

You should look at RAND_MAX for your particular compiler/environment. I think you would see these results if rand() is producing a random 16-bit number. (you seem to be assuming it will be a 32-bit number).

I can't promise this is the answer, but please post your value of RAND_MAX, and a little more detail on your environment.

I had the same issue and figured out, that some files in my Angular Project were only permitted to the user root and to the corresponding group root. You can check that with ls -hal. I fixed it by setting both to the user I used the system with.

You can do that with: chown -R username:groupname *

If you want to know what exactly this command does, checkout:

https://superuser.com/questions/462141/how-to-chown-chmod-all-files-in-current-directory

I tried to take this to the next dimension, literally.

Given a 2 dimensional array, in which the x and y axes are always the same length, is it faster to:

a) look up the cell by creating a two dimensional array and looking up the first index, followed by the second index, i.e:

var arr=[][]    
var cell=[x][y]    

or

b) create an object with a string representation of the x and y coordinates, and then do a single lookup on that obj, i.e:

var obj={}    
var cell = obj['x,y']    

Result:
Turns out that it's much faster to do two numeric index lookups on the arrays, than one property lookup on the object.

Results here:

http://jsperf.com/arr-vs-obj-lookup-2

I've worked it out.

Let's say you have a Python datetime object, d, created with datetime.now(). Its value is:

datetime.datetime(2011, 5, 25, 13, 34, 5, 787000)

You can serialize it to JSON as an ISO 8601 datetime string:

import json    
json.dumps(d.isoformat())

The example datetime object would be serialized as:

'"2011-05-25T13:34:05.787000"'

This value, once received in the Javascript layer, can construct a Date object:

var d = new Date("2011-05-25T13:34:05.787000");

As of Javascript 1.8.5, Date objects have a toJSON method, which returns a string in a standard format. To serialize the above Javascript object back to JSON, therefore, the command would be:

d.toJSON()

Which would give you:

'2011-05-25T20:34:05.787Z'

This string, once received in Python, could be deserialized back to a datetime object:

datetime.strptime('2011-05-25T20:34:05.787Z', '%Y-%m-%dT%H:%M:%S.%fZ')

This results in the following datetime object, which is the same one you started with and therefore correct:

datetime.datetime(2011, 5, 25, 20, 34, 5, 787000)

The STAThreadAttribute is essentially a requirement for the Windows message pump to communicate with COM components. Although core Windows Forms does not use COM, many components of the OS such as system dialogs do use this technology.

MSDN explains the reason in slightly more detail:

STAThreadAttribute indicates that the COM threading model for the application is single-threaded apartment. This attribute must be present on the entry point of any application that uses Windows Forms; if it is omitted, the Windows components might not work correctly. If the attribute is not present, the application uses the multithreaded apartment model, which is not supported for Windows Forms.

This blog post (Why is STAThread required?) also explains the requirement quite well. If you want a more in-depth view as to how the threading model works at the CLR level, see this MSDN Magazine article from June 2004 (Archived, Apr. 2009).

Here is the function:

document.body.setScaledFont = function(f) {
  var s = this.offsetWidth, fs = s * f;
  this.style.fontSize = fs + '%';
  return this
};

Then convert all your documents child element font sizes to em's or %.

Then add something like this to your code to set the base font size.

document.body.setScaledFont(0.35);
window.onresize = function() {
    document.body.setScaledFont(0.35);
}

http://jsfiddle.net/0tpvccjt/

Performance characteristics for lists are described on Effbot.

Python lists are actually implemented as vector for fast random access, so the container will basically hold as many items as there is space for in memory. (You need space for pointers contained in the list as well as space in memory for the object(s) being pointed to.)

Appending is O(1) (amortized constant complexity), however, inserting into/deleting from the middle of the sequence will require an O(n) (linear complexity) reordering, which will get slower as the number of elements in your list.

Your sorting question is more nuanced, since the comparison operation can take an unbounded amount of time. If you're performing really slow comparisons, it will take a long time, though it's no fault of Python's list data type.

Reversal just takes the amount of time it required to swap all the pointers in the list (necessarily O(n) (linear complexity), since you touch each pointer once).

Math.round(num * 10) / 10 works, here is an example...

var number = 12.3456789
var rounded = Math.round(number * 10) / 10
// rounded is 12.3

if you want it to have one decimal place, even when that would be a 0, then add...

var fixed = rounded.toFixed(1)
// fixed is always to 1 d.p.
// NOTE: .toFixed() returns a string!

// To convert back to number format
parseFloat(number.toFixed(2))
// 12.34
// but that will not retain any trailing zeros

// So, just make sure it is the last step before output,
// and use a number format during calculations!

EDIT: Add round with precision function...

Using this principle, for reference, here is a handy little round function that takes precision...

function round(value, precision) {
    var multiplier = Math.pow(10, precision || 0);
    return Math.round(value * multiplier) / multiplier;
}

... usage ...

round(12345.6789, 2) // 12345.68
round(12345.6789, 1) // 12345.7

... defaults to round to nearest whole number (precision 0) ...

round(12345.6789) // 12346

... and can be used to round to nearest 10 or 100 etc...

round(12345.6789, -1) // 12350
round(12345.6789, -2) // 12300

... and correct handling of negative numbers ...

round(-123.45, 1) // -123.4
round(123.45, 1) // 123.5

... and can be combined with toFixed to format consistently as string ...

round(456.7, 2).toFixed(2) // "456.70"

You can solve the problem changing the compileSdkVersion in the Grandle.build file from 18 to wtever SDK is installed ..... BUTTTTT

1. If you are trying to goin back in SDK versions like 18 to 17 ,You can not use the feature available in 18 or 18+

2. If you are migrating your project (Eclipse to Android Studio ) Then off course you Don't have build.gradle file in your Existed Eclipse project

So, the only solution is to ensure the SDK version installed or not, you are targeting to , If not then install.

Error:Cause: failed to find target with hash string 'android-19' in: C:\Users\setia\AppData\Local\Android\sdk