in my .net core 3.1 applications I am getting two problem where inner cause was timeout exception. 1, one is i am getting aggregate exception and in it's inner exception was timeout exception 2, other case was Task canceled exception

My solution is

catch (Exception ex)
            {
                if (ex.InnerException is TimeoutException)
                {
                    ex = ex.InnerException;
                }
                else if (ex is TaskCanceledException)
                {
                    if ((ex as TaskCanceledException).CancellationToken == null || (ex as TaskCanceledException).CancellationToken.IsCancellationRequested == false)
                    {
                        ex = new TimeoutException("Timeout occurred");
                    }
                }                
                Logger.Fatal(string.Format("Exception at calling {0} :{1}", url, ex.Message), ex);
            }

As Ben said, you are POSTing your request ( HttpMethod.Post specified in your code )

The querystring (get) parameters included in your url probably will not do anything.

Try this:

string url = "http://myserver/method";    
string content = "param1=1&param2=2";
HttpClientHandler handler = new HttpClientHandler();
HttpClient httpClient = new HttpClient(handler);
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, url);
HttpResponseMessage response = await httpClient.SendAsync(request,content);

HTH,

bovako

I implemented it in the following way. I wanted a generic MakeRequest method that could call my API and receive content for the body of the request - and also deserialise the response into the desired type. I create a Dictionary<string, string> object to house the content to be submitted, and then set the HttpRequestMessage Content property with it:

Generic method to call the API:

    private static T MakeRequest<T>(string httpMethod, string route, Dictionary<string, string> postParams = null)
    {
        using (var client = new HttpClient())
        {
            HttpRequestMessage requestMessage = new HttpRequestMessage(new HttpMethod(httpMethod), $"{_apiBaseUri}/{route}");

            if (postParams != null)
                requestMessage.Content = new FormUrlEncodedContent(postParams);   // This is where your content gets added to the request body


            HttpResponseMessage response = client.SendAsync(requestMessage).Result;

            string apiResponse = response.Content.ReadAsStringAsync().Result;
            try
            {
                // Attempt to deserialise the reponse to the desired type, otherwise throw an expetion with the response from the api.
                if (apiResponse != "")
                    return JsonConvert.DeserializeObject<T>(apiResponse);
                else
                    throw new Exception();
            }
            catch (Exception ex)
            {
                throw new Exception($"An error ocurred while calling the API. It responded with the following message: {response.StatusCode} {response.ReasonPhrase}");
            }
        }
    }

Call the method:

    public static CardInformation ValidateCard(string cardNumber, string country = "CAN")
    { 
        // Here you create your parameters to be added to the request content
        var postParams = new Dictionary<string, string> { { "cardNumber", cardNumber }, { "country", country } };
        // make a POST request to the "cards" endpoint and pass in the parameters
        return MakeRequest<CardInformation>("POST", "cards", postParams);
    }

What's happening is that you're bitten by this problem. Basically, what happened is that you didn't register your controllers explicitly in your container. Unity tries to resolve unregistered concrete types for you, but because it can't resolve it (caused by an error in your configuration), it return null. It is forced to return null, because Web API forces it to do so due to the IDependencyResolver contract. Since Unity returns null, Web API will try to create the controller itself, but since it doesn't have a default constructor it will throw the "Make sure that the controller has a parameterless public constructor" exception. This exception message is misleading and doesn't explain the real cause.

You would have seen a much clearer exception message if you registered your controllers explicitly, and that's why you should always register all root types explicitly.

But of course, the configuration error comes from you adding the second constructor to your DbContext. Unity always tries to pick the constructor with the most arguments, but it has no idea how to resolve this particular constructor.

So the real cause is that you are trying to use Unity's auto-wiring capabilities to create the DbContext. DbContext is a special type that shouldn't be auto-wired. It is a framework type and you should therefore fallback to registering it using a factory delegate:

container.Register<DashboardDbContext>(
    new InjectionFactory(c => new DashboardDbContext())); 

You can just pass your URL,

NSURL *url = [NSURL URLWithString:@"http://www.myurl.com/1.png"];
NSURLSessionTask *task = [[NSURLSession sharedSession] dataTaskWithURL:url completionHandler:^(NSData * _Nullable data,    NSURLResponse * _Nullable response, NSError * _Nullable error) {
    if (data) {
        UIImage *image = [UIImage imageWithData:data];
        if (image) {
            dispatch_async(dispatch_get_main_queue(), ^{
                    yourimageview.image = image;
            });
        }
    }
}];
[task resume];

This may sound obvious, but make sure the Controller where you are reading the headers in, is the first Controller where the request goes through.

I had two WebAPI projects communicating with each other. The first one was a proxy, the second contained the logic. Silly me, I tried reading the custom headers in the second Controller, instead of the first one.

if result is None:
    print "error parsing stream"
elif result:
    print "result pass"
else:
    print "result fail"

keep it simple and explicit. You can of course pre-define a dictionary.

messages = {None: 'error', True: 'pass', False: 'fail'}
print messages[result]

If you plan on modifying your simulate function to include more return codes, maintaining this code might become a bit of an issue.

The simulate might also raise an exception on the parsing error, in which case you'd either would catch it here or let it propagate a level up and the printing bit would be reduced to a one-line if-else statement.

The argument order seems to matter... to exclude subdirectories, I used

robocopy \\source\folder C:\destinationfolder /XD * /MIR

...and that works for me (Windows 10 copy from Windows Server 2016)

CodeIgniter file upload optionally ...works perfectly..... :)

---------- controller ---------

function file()
{
 $this->load->view('includes/template', $data);
}

function valid_file()
{
 $this->form_validation->set_rules('userfile', 'File', 'trim|xss_clean');

 if ($this->form_validation->run()==FALSE) 
 {
    $this->file();
 }
 else
 {
  $config['upload_path']   = './documents/';
  $config['allowed_types'] = 'gif|jpg|png|docx|doc|txt|rtf';
  $config['max_size']      = '1000';
  $config['max_width']     = '1024';
  $config['max_height']    = '768';

  $this->load->library('upload', $config);

  if ( !$this->upload->do_upload('userfile',FALSE))
  {
    $this->form_validation->set_message('checkdoc', $data['error'] = $this->upload->display_errors());

    if($_FILES['userfile']['error'] != 4)
    {
        return false;
    }

  }
  else
  {
    return true;
  }
}

i just use this lines which makes it optionally,

if($_FILES['userfile']['error'] != 4)
{
 return false;
}

$_FILES['userfile']['error'] != 4 is for file required to upload.

you can make it unnecessary by using $_FILES['userfile']['error'] != 4, then it will pass this error for file required and works great with other types of errors if any by using return false , hope it works for u ....

# Simple Python program to understand random.seed() importance

import random

random.seed(10)

for i in range(5):    
    print(random.randint(1, 100))

Execute the above program multiple times...

1st attempt: prints 5 random integers in the range of 1 - 100

2nd attempt: prints same 5 random numbers appeared in the above execution.

3rd attempt: same

.....So on

Explanation: Every time we are running the above program we are setting seed to 10, then random generator takes this as a reference variable. And then by doing some predefined formula, it generates a random number.

Hence setting seed to 10 in the next execution again sets reference number to 10 and again the same behavior starts...

As soon as we reset the seed value it gives the same plants.

Note: Change the seed value and run the program, you'll see a different random sequence than the previous one.

As stated in prior answers - it depends on the answer to "cpu or i/o bound?",
but also to the answer to "threaded or multi-processing?":

Examples run on Raspberry Pi 3B 1.2GHz 4-core with Python3.7.3
--( With other processes running including htop )

• For this test - multiprocessing and threading had similar results for i/o bound,
  but multi-processing was more efficient than threading for cpu-bound.

Using threads:

Typical Result:
. Starting 4000 cycles of io-bound threading
. Sequential run time: 39.15 seconds
. 4 threads Parallel run time: 18.19 seconds
. 2 threads Parallel - twice run time: 20.61 seconds

Typical Result:
. Starting 1000000 cycles of cpu-only threading
. Sequential run time: 9.39 seconds
. 4 threads Parallel run time: 10.19 seconds
. 2 threads Parallel twice - run time: 9.58 seconds

Using multiprocessing:

Typical Result:
. Starting 4000 cycles of io-bound processing
. Sequential - run time: 39.74 seconds
. 4 procs Parallel - run time: 17.68 seconds
. 2 procs Parallel twice - run time: 20.68 seconds

Typical Result:
. Starting 1000000 cycles of cpu-only processing
. Sequential run time: 9.24 seconds
. 4 procs Parallel - run time: 2.59 seconds
. 2 procs Parallel twice - run time: 4.76 seconds

compare_io_multiproc.py:
#!/usr/bin/env python3

# Compare single proc vs multiple procs execution for io bound operation

"""
Typical Result:
  Starting 4000 cycles of io-bound processing
  Sequential - run time: 39.74 seconds
  4 procs Parallel - run time: 17.68 seconds
  2 procs Parallel twice - run time: 20.68 seconds
"""
import time
import multiprocessing as mp

# one thousand
cycles = 1 * 1000

def t():
        with open('/dev/urandom', 'rb') as f:
                for x in range(cycles):
                        f.read(4 * 65535)

if __name__ == '__main__':
    print("  Starting {} cycles of io-bound processing".format(cycles*4))
    start_time = time.time()
    t()
    t()
    t()
    t()
    print("  Sequential - run time: %.2f seconds" % (time.time() - start_time))

    # four procs
    start_time = time.time()
    p1 = mp.Process(target=t)
    p2 = mp.Process(target=t)
    p3 = mp.Process(target=t)
    p4 = mp.Process(target=t)
    p1.start()
    p2.start()
    p3.start()
    p4.start()
    p1.join()
    p2.join()
    p3.join()
    p4.join()
    print("  4 procs Parallel - run time: %.2f seconds" % (time.time() - start_time))

    # two procs
    start_time = time.time()
    p1 = mp.Process(target=t)
    p2 = mp.Process(target=t)
    p1.start()
    p2.start()
    p1.join()
    p2.join()
    p3 = mp.Process(target=t)
    p4 = mp.Process(target=t)
    p3.start()
    p4.start()
    p3.join()
    p4.join()
    print("  2 procs Parallel twice - run time: %.2f seconds" % (time.time() - start_time))

compare_cpu_multiproc.py
#!/usr/bin/env python3

# Compare single proc vs multiple procs execution for cpu bound operation

"""
Typical Result:
  Starting 1000000 cycles of cpu-only processing
  Sequential run time: 9.24 seconds
  4 procs Parallel - run time: 2.59 seconds
  2 procs Parallel twice - run time: 4.76 seconds
"""
import time
import multiprocessing as mp

# one million
cycles = 1000 * 1000

def t():
    for x in range(cycles):
        fdivision = cycles / 2.0
        fcomparison = (x > fdivision)
        faddition = fdivision + 1.0
        fsubtract = fdivision - 2.0
        fmultiply = fdivision * 2.0

if __name__ == '__main__':
    print("  Starting {} cycles of cpu-only processing".format(cycles))
    start_time = time.time()
    t()
    t()
    t()
    t()
    print("  Sequential run time: %.2f seconds" % (time.time() - start_time))

    # four procs
    start_time = time.time()
    p1 = mp.Process(target=t)
    p2 = mp.Process(target=t)
    p3 = mp.Process(target=t)
    p4 = mp.Process(target=t)
    p1.start()
    p2.start()
    p3.start()
    p4.start()
    p1.join()
    p2.join()
    p3.join()
    p4.join()
    print("  4 procs Parallel - run time: %.2f seconds" % (time.time() - start_time))

    # two procs
    start_time = time.time()
    p1 = mp.Process(target=t)
    p2 = mp.Process(target=t)
    p1.start()
    p2.start()
    p1.join()
    p2.join()
    p3 = mp.Process(target=t)
    p4 = mp.Process(target=t)
    p3.start()
    p4.start()
    p3.join()
    p4.join()
    print("  2 procs Parallel twice - run time: %.2f seconds" % (time.time() - start_time))

In Chrome 72 (2019-02-09) I've discovered that the :in-range attribute is applied to empty date inputs, for some reason!

So this works for me: (I added the :not([max]):not([min]) selectors to avoid breaking date inputs that do have a range applied to them:

input[type=date]:not([max]):not([min]):in-range {
    color: blue;
}

Screenshot:

Here's a runnable sample:

window.addEventListener( 'DOMContentLoaded', onLoad );_x000D_
_x000D_
function onLoad() {_x000D_
    _x000D_
    document.getElementById( 'date4' ).value = "2019-02-09";_x000D_
    _x000D_
    document.getElementById( 'date5' ).value = null;_x000D_
    _x000D_
}

label {_x000D_
    display: block;_x000D_
    margin: 1em;_x000D_
}_x000D_
_x000D_
input[type=date]:not([max]):not([min]):in-range {_x000D_
    color: blue;_x000D_
}

<label>_x000D_
    <input type="date" id="date1" />_x000D_
    Without HTML value=""_x000D_
</label>_x000D_
    _x000D_
<label>_x000D_
    <input type="date" id="date2" value="2019-02-09" />_x000D_
    With HTML value=""_x000D_
</label>_x000D_
_x000D_
<label>_x000D_
    <input type="date" id="date3" />_x000D_
    Without HTML value="" but modified by user_x000D_
</label>_x000D_
    _x000D_
<label>_x000D_
    <input type="date" id="date4" />_x000D_
    Without HTML value="" but set by script_x000D_
</label>_x000D_
    _x000D_
<label>_x000D_
    <input type="date" id="date5" value="2019-02-09" />_x000D_
    With HTML value="" but cleared by script_x000D_
</label>

$_SERVER['REMOTE_ADDR']

• PHP_SELF Returns the filename of the current script with the path relative to the root

• SERVER_PROTOCOL Returns the name and revision of the page-requested protocol

• REQUEST_METHOD Returns the request method used to access the page

• DOCUMENT_ROOT Returns the root directory under which the current script is executing

The Issue

As others have mentioned, the NET::ERR_CERT_COMMON_NAME_INVALID error is occurring because the generated certificate does not include the SAN (subjectAltName) field.

RFC2818 has deprecated falling back to the commonName field since May of 2000. The use of the subjectAltName field has been enforced in Chrome since version 58 (see Chrome 58 deprecations).

OpenSSL accepts x509v3 configuration files to add extended configurations to certificates (see the subjectAltName field for configuration options).

Bash Script

I created a self-signed-tls bash script with straightforward options to make it easy to generate certificate authorities and sign x509 certificates with OpenSSL (valid in Chrome using the subjectAltName field).

The script will guide you through a series of questions to include the necessary information (including the subjectAltName field). You can reference the README.md for more details and options for automation.

Be sure to restart chrome after installing new certificates.

chrome://restart

Other Resources

• The Docker documentation has a great straightforward example for creating a self-signed certificate authority and signing certificates with OpenSSL.
• cfssl is also a very robust tool that is widely used and worth checking out.

Use the Key keyword in your select will work, like below.

product.Select(m => new {Key m.CategoryId, Key m.CategoryName}).Distinct();

I realize this is bringing up an old thread but figured it might help some people. I generally code in VB.NET when working with .NET so Key may translate differently into C#.

Use an ID to uniquely identify the checkbox. Your current example is trying to select the checkbox with an id of '#chk0':

<input type="checkbox" id="chk0" name="chk0" value="true" disabled>

$('#chk0').attr("disabled", "disabled");

You'll also need to remove the attribute for disabled to enable the checkbox. Something like:

$('#chk0').removeAttr("disabled");

See the docs for removeAttr

The value XHTML for disabling/enabling an input element is as follows:

<input type="checkbox" id="chk0" name="chk0" value="true" disabled="disabled" />
<input type="checkbox" id="chk0" name="chk0" value="true" />

Note that it's the absence of the disabled attribute that makes the input element enabled.

I would would wrap the <ul> with a <div ng-cloak>

Wes McKinney (pandas' author) in Python for Data Analysis provides the following recipe:

groups = dict(list(gb))

which returns a dictionary whose keys are your group labels and whose values are DataFrames, i.e.

groups['foo']

will yield what you are looking for:

     A         B   C
0  foo  1.624345   5
2  foo -0.528172  11
4  foo  0.865408  14

Just so you know, you can use this for debugging. It helped me a lot, and still does

error:function(x,e) {
    if (x.status==0) {
        alert('You are offline!!\n Please Check Your Network.');
    } else if(x.status==404) {
        alert('Requested URL not found.');
    } else if(x.status==500) {
        alert('Internel Server Error.');
    } else if(e=='parsererror') {
        alert('Error.\nParsing JSON Request failed.');
    } else if(e=='timeout'){
        alert('Request Time out.');
    } else {
        alert('Unknow Error.\n'+x.responseText);
    }
}

drand48(3) is the POSIX standard way. GLibC also provides a reentrant version, drand48_r(3).

The function was declared obsolete in SVID 3 but no adequate alternative was provided so IEEE Std 1003.1-2013 still includes it and has no notes that it's going anywhere anytime soon.

In Windows, the standard way is CryptGenRandom().

Improving the first "FOR /F.." answer: What I had to do was to call execute every script listed in MyList.txt, so it worked for me:

for /F "tokens=*" %A in  (MyList.txt) do CALL %A ARG1

--OR, if you wish to do it over the multiple line:

for /F "tokens=*" %A in  (MuList.txt) do (
ECHO Processing %A....
CALL %A ARG1
)

Edit: The example given above is for executing FOR loop from command-prompt; from a batch-script, an extra % needs to be added, as shown below:

---START of MyScript.bat---
@echo off
for /F "tokens=*" %%A in  ( MyList.TXT) do  (
   ECHO Processing %%A.... 
   CALL %%A ARG1 
)
@echo on
;---END of MyScript.bat---

Use the strong element, that is it's purpose:

<div id="content">
    <p><strong>First Word</strong> rest of paragraph.</p>
</div>

Then create a style for it in your style sheet.

#content p strong
{
    font-size: 14pt;
}

Refer to the below link,

https://angular.io/api/common/DatePipe

**Code Sample**

@Component({
 selector: 'date-pipe',
 template: `<div>
   <p>Today is {{today | date}}</p>
   <p>Or if you prefer, {{today | date:'fullDate'}}</p>
   <p>The time is {{today | date:'h:mm a z'}}</p>
 </div>`
})
// Get the current date and time as a date-time value.
export class DatePipeComponent {
  today: number = Date.now();
}

{{today | date:'MM/dd/yyyy'}} output: 17/09/2019

or

{{today | date:'shortDate'}} output: 17/9/19

You can use the ListAvailable option of Get-Module:

if (Get-Module -ListAvailable -Name SomeModule) {
    Write-Host "Module exists"
} 
else {
    Write-Host "Module does not exist"
}

When i'm not root on the server, I use lsprofcalltree.py and run my program like this:

python lsprofcalltree.py -o callgrind.1 test.py

Then I can open the report with any callgrind-compatible software, like qcachegrind

HTML Code

<html>
<body>

<head>
<title></title>
</head>

<body>

<form action="upload.php" method="post" enctype="multipart/form-data">
    <label for="file"><span>Filename:</span></label>
    <input type="file" name="file" id="file" /> 
    <br />
<input type="submit" name="submit" value="Submit" />
</form>



<?php

    //============================= DATABASE CONNECTIVITY d ====================
    $servername = "localhost";
    $username = "root";
    $password = "";
    $dbname = "test";

    // Create connection
    $conn = new mysqli($servername, $username, $password, $dbname);
    // Check connection
    if ($conn->connect_error) {
        die("Connection failed: " . $conn->connect_error);
    } 
    else

    //============================= DATABASE CONNECTIVITY u ====================
    //============================= Retrieve data from DB d ====================
    $sql = "SELECT name, size, type FROM videos";
    $result = $conn->query($sql);

    if ($result->num_rows > 0) {
    // output data of each row
    while($row = $result->fetch_assoc()) 
        {
        $path = "uploaded/" . $row["name"];

            echo $path . "<br>";

        }
    } else {
        echo "0 results";
    }
    $conn->close();
    //============================= Retrieve data from DB d ====================

?>


</body>
</html>

The following does not return a response:

You must return anything like return afunction() or return 'a string'.

This can solve the issue

I had a similar problem and the solution was to do this:

#cloud-container{
    position:absolute;
    top:0;
    bottom:0;
}

I wanted a page-centered div with height 100% of page height, so my total solution was:

#cloud-container{
    position:absolute;
    top:0;
    bottom:0;
    left:0;
    right:0; 
    width: XXXpx; /*otherwise div defaults to page width*/
    margin: 0 auto; /*horizontally centers div*/
}

You might need to make a parent element (or simply 'body') have position: relative;

#!/bin/sh

as most scripts do not need specific bash feature and should be written for sh.

Also, this makes scripts work on the BSDs, which do not have bash per default.

You have to do a result.next() before you can access the result. It's a very common idiom to do

ResultSet rs = stmt.executeQuery();
while (rs.next())
{
   int foo = rs.getInt(1);
   ...
}

Another method would be to get the error code from the exception class directly. For example:

catch (Exception ex)
{
    if (ex.InnerException is ServiceResponseException)
       {
        ServiceResponseException srex = ex.InnerException as ServiceResponseException;
        string ErrorCode = srex.ErrorCode.ToString();
       }
}

For future readers!

Starting from material components android 1.2.0-alpha01, you have slider component

ex:

<com.google.android.material.slider.Slider
        android:id="@+id/slider"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:valueFrom="20f"
        android:valueTo="70f"
        android:stepSize="10" />

• Release notes
• Material Design Spec
• Docs

This typically is caused by the mount directory being left mounted due to a crash of your filesystem. Go to the parent directory of the mount point and enter fusermount -u YOUR_MNT_DIR.

If this doesn't do the trick, do sudo umount -l YOUR_MNT_DIR.

As described here, about the Start command, the following would start your application with the parameters you've specified:

start "svcutil" "svcutil.exe" "language:cs" "out:generatedProxy.cs" "config:app.config" "http://localhost:8000/ServiceModelSamples/service"

• "svcutil", after the start command, is the name given to the CMD window upon running the application specified. This is a required parameter of the start command.

• "svcutil.exe" is the absolute or relative path to the application you want to run. Using quotation marks allows you to have spaces in the path.

• After the application to start has been specified, all the following parameters are interpreted as arguments sent to the application.

Unless your app is the default input method editor (IME) or is the app that currently has focus, your app cannot access clipboard data on Android 10 or higher. https://developer.android.com/about/versions/10/privacy/changes#clipboard-data

Try below code :

Assign the path of the folder to variable FolderPath before running the below code.

Sub sample()

    Dim FolderPath As String, path As String, count As Integer
    FolderPath = "C:\Documents and Settings\Santosh\Desktop"

    path = FolderPath & "\*.xls"

    Filename = Dir(path)

    Do While Filename <> ""
       count = count + 1
        Filename = Dir()
    Loop

    Range("Q8").Value = count
    'MsgBox count & " : files found in folder"
End Sub

The table and fields have the wrong encoding; however, you can convert them to UTF-8.

ALTER TABLE logtest CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;

ALTER TABLE logtest DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;

ALTER TABLE logtest CHANGE title title VARCHAR(100) CHARACTER SET utf8 COLLATE utf8_general_ci;

You can modify with the following

<li><a href="./Index" class="elements"><span>Clients</span></a></li>

The extra dot means you are in the same controller. If you want change the controller to a different controller then you can write this

<li><a href="../newController/Index" class="elements"><span>Clients</span></a></li>

The easiest way to find a midnight:

Long time = new Date().getTime();
Date date = new Date(time - time % (24 * 60 * 60 * 1000));

Next day:

Date date = new Date(date.getTime() + 24 * 60 * 60 * 1000);

To make it work, I installed latex, typical latex extra, and pandoc.

With ubuntu:

sudo apt-get install texlive texlive-latex-extra pandoc

it takes some times: several 100 Mb to download. I read somewhere that you can use --no-install-recommends for texlive and extra to reduce to the dl.

The code should instead be something like this:

TextView text = (TextView) findViewById(R.id.this_is_the_id_of_textview);
text.setText("test");

There is both window.onbeforeunload and window.onunload, which are used differently depending on the browser. You can assign them either by setting the window properties to functions, or using the .addEventListener:

window.onbeforeunload = function(){
   // Do something
}
// OR
window.addEventListener("beforeunload", function(e){
   // Do something
}, false);
   

Usually, onbeforeunload is used if you need to stop the user from leaving the page (ex. the user is working on some unsaved data, so he/she should save before leaving). onunload isn't supported by Opera, as far as I know, but you could always set both.

Using plaintext may not be the best choice, if the password is ever used as something else.

I support the accepted answer, but it didn't work for me - for a very specific reason: I wanted to use either kwallet or gnome-keyring password stores. I tried changing the settings, all over the four files:

/etc/subversion/config
/etc/subversion/servers
~/.subversion/config
~/.subversion/servers

Even after it all was set the same, with password-stores and KWallet name (default might be wrong, right?) it didn't work and kept asking for password forever. The files in ~/.subversion had permissions 600.

Well, at that point, you may try to check one simple thing:

which svn

If you get:

/usr/bin/local/svn

then you may suspect with great likelihood that this client was built from source, locally, by your administrator (which may be yourself, as in my case).

Subversion is a nasty beast to compile, very easy to accidentally build without HTTP support, or - as in my example - without support for encrypted password stores (you need either Gnome or KDE development files, and a lot of them!). But the ./configure script won't tell you that, and you just get a less functional svn command.

In that case, you may go back to the client, which came with your distribution, usually in /usr/bin/svn. The downside is - you'll probably need to re-checkout the working copies, as there is no svn downgrade command. You can consult Linus Torvalds on what to think about Subversion, anyway ;)

Nikl's version doesn't pass get query parameters, I used the following modified version:

window.location.href = window.location.protocol +'//'+ window.location.host + window.location.pathname + window.location.search;

or in my case I needed to refresh the topmost page\frame, so I used the following version

window.top.location.href = window.top.location.protocol +'//'+ window.top.location.host + window.top.location.pathname + window.top.location.search;

1. Include the Open Graph XML namespace extension to your HTML declaration

<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:fb="http://ogp.me/ns/fb#">

2. Inside your <head></head> use the following meta tag to define the image you want to use

<meta property="og:image" content="fully_qualified_image_url_here" />

Read more about open graph protocol here.

After doing the above, use the Facebook "Object Debugger" if the image does not show up correctly. Also note the first time shared it still won't show up unless height and width are also specified, see Share on Facebook - Thumbnail not showing for the first time

An approach using extension methods:

class Program
{
    static void Main(string[] args)
    {
        DateTime t = DateTime.Now;

        DateTime p = t.PreviousMonthFirstDay();
        Console.WriteLine( p.ToShortDateString() );

        p = t.PreviousMonthLastDay();
        Console.WriteLine( p.ToShortDateString() );


        Console.ReadKey();
    }
}


public static class Helpers
{
    public static DateTime PreviousMonthFirstDay( this DateTime currentDate )
    {
        DateTime d = currentDate.PreviousMonthLastDay();

        return new DateTime( d.Year, d.Month, 1 );
    }

    public static DateTime PreviousMonthLastDay( this DateTime currentDate )
    {
        return new DateTime( currentDate.Year, currentDate.Month, 1 ).AddDays( -1 );
    }
}

See this link http://www.codeplex.com/fluentdatetime for some inspired DateTime extensions.

The simplest approach is, to provide a sort selector (Apple's documentation for details)

Objective-C

sortedArray = [anArray sortedArrayUsingSelector:@selector(localizedCaseInsensitiveCompare:)];

Swift

let descriptor: NSSortDescriptor = NSSortDescriptor(key: "YourKey", ascending: true, selector: "localizedCaseInsensitiveCompare:")
let sortedResults: NSArray = temparray.sortedArrayUsingDescriptors([descriptor])

Apple provides several selectors for alphabetic sorting:

• compare:
• caseInsensitiveCompare:
• localizedCompare:
• localizedCaseInsensitiveCompare:
• localizedStandardCompare:

Swift

var students = ["Kofi", "Abena", "Peter", "Kweku", "Akosua"]
students.sort()
print(students)
// Prints "["Abena", "Akosua", "Kofi", "Kweku", "Peter"]"

Reference

You can add a div with runat="server" to the page:

<div runat="server" id="myDiv">
</div>

and then set its InnerHtml property from the code-behind:

myDiv.InnerHtml = "your html here";

If you want to modify the DIV's contents on the client side, then you can use javascript code similar to this:

<script type="text/javascript">
    Sys.Application.add_load(MyLoad);
    function MyLoad(sender) {
        $get('<%= div.ClientID %>').innerHTML += " - text added on client";
    }
</script>

if the variable contains text then:

len(variable) != 0

of it does not

len(variable) == 0

In Ubuntu 10.04 (Lucid), I could successfully pip install scipy (within a virtualenv) after installing some of its dependencies, in particular:

$ sudo apt-get install libamd2.2.0 libblas3gf libc6 libgcc1 libgfortran3 liblapack3gf libumfpack5.4.0 libstdc++6 build-essential gfortran libatlas-sse2-dev python-all-dev

Suppose you have df with columns A B C.

The most simple way is:

df = df.reindex(['B','C','A'], axis=1)

Another way to turn off CSRF that won't render a null session is to add:

skip_before_action :verify_authenticity_token

in your Rails Controller. This will ensure you still have access to session info.

Again, make sure you only do this in API controllers or in other places where CSRF protection doesn't quite apply.

Use

res.sendFile()

instead of

res.render().

What your trying to do is send a whole file.

This worked for me.

Here I am using custom function for finding the time elapsed since a date time.

echo Datetodays('2013-7-26 17:01:10');

function Datetodays($d) {

        $date_start = $d;
        $date_end = date('Y-m-d H:i:s');

        define('SECOND', 1);
        define('MINUTE', SECOND * 60);
        define('HOUR', MINUTE * 60);
        define('DAY', HOUR * 24);
        define('WEEK', DAY * 7);

        $t1 = strtotime($date_start);
        $t2 = strtotime($date_end);
        if ($t1 > $t2) {
            $diffrence = $t1 - $t2;
        } else {
            $diffrence = $t2 - $t1;
        }

        //echo "
".$date_end."  ".$date_start."  ".$diffrence;
        $results['major'] = array(); // whole number representing larger number in date time relationship
        $results1 = array();
        $string = '';

        $results['major']['weeks'] = floor($diffrence / WEEK);
        $results['major']['days'] = floor($diffrence / DAY);
        $results['major']['hours'] = floor($diffrence / HOUR);
        $results['major']['minutes'] = floor($diffrence / MINUTE);
        $results['major']['seconds'] = floor($diffrence / SECOND);

        //print_r($results);
        // Logic:
        // Step 1: Take the major result and transform it into raw seconds (it will be less the number of seconds of the difference)
        // ex: $result = ($results['major']['weeks']*WEEK)
        // Step 2: Subtract smaller number (the result) from the difference (total time)
        // ex: $minor_result = $difference - $result
        // Step 3: Take the resulting time in seconds and convert it to the minor format
        // ex: floor($minor_result/DAY)

        $results1['weeks'] = floor($diffrence / WEEK);
        $results1['days'] = floor((($diffrence - ($results['major']['weeks'] * WEEK)) / DAY));
        $results1['hours'] = floor((($diffrence - ($results['major']['days'] * DAY)) / HOUR));
        $results1['minutes'] = floor((($diffrence - ($results['major']['hours'] * HOUR)) / MINUTE));
        $results1['seconds'] = floor((($diffrence - ($results['major']['minutes'] * MINUTE)) / SECOND));

        //print_r($results1);

        if ($results1['weeks'] != 0 && $results1['days'] == 0) {
            if ($results1['weeks'] == 1) {
                $string = $results1['weeks'] . ' week ago';
            } else {
                if ($results1['weeks'] == 2) {
                    $string = $results1['weeks'] . ' weeks ago';
                } else {
                    $string = '2 weeks ago';
                }
            }
        } elseif ($results1['weeks'] != 0 && $results1['days'] != 0) {
            if ($results1['weeks'] == 1) {
                $string = $results1['weeks'] . ' week ago';
            } else {
                if ($results1['weeks'] == 2) {
                    $string = $results1['weeks'] . ' weeks ago';
                } else {
                    $string = '2 weeks ago';
                }
            }
        } elseif ($results1['weeks'] == 0 && $results1['days'] != 0) {
            if ($results1['days'] == 1) {
                $string = $results1['days'] . ' day ago';
            } else {
                $string = $results1['days'] . ' days ago';
            }
        } elseif ($results1['days'] != 0 && $results1['hours'] != 0) {
            $string = $results1['days'] . ' day and ' . $results1['hours'] . ' hours ago';
        } elseif ($results1['days'] == 0 && $results1['hours'] != 0) {
            if ($results1['hours'] == 1) {
                $string = $results1['hours'] . ' hour ago';
            } else {
                $string = $results1['hours'] . ' hours ago';
            }
        } elseif ($results1['hours'] != 0 && $results1['minutes'] != 0) {
            $string = $results1['hours'] . ' hour and ' . $results1['minutes'] . ' minutes ago';
        } elseif ($results1['hours'] == 0 && $results1['minutes'] != 0) {
            if ($results1['minutes'] == 1) {
                $string = $results1['minutes'] . ' minute ago';
            } else {
                $string = $results1['minutes'] . ' minutes ago';
            }
        } elseif ($results1['minutes'] != 0 && $results1['seconds'] != 0) {
            $string = $results1['minutes'] . ' minute and ' . $results1['seconds'] . ' seconds ago';
        } elseif ($results1['minutes'] == 0 && $results1['seconds'] != 0) {
            if ($results1['seconds'] == 1) {
                $string = $results1['seconds'] . ' second ago';
            } else {
                $string = $results1['seconds'] . ' seconds ago';
            }
        }
        return $string;
    }
?>

I know this question asks about Phonegap 3.X specifically, but just for reference any Phonegap version above 4.0.0 uses Gradle instead of Ant to build by default. To use Ant instead of Gradle you can add this to your config.xml:

<preference name="android-build-tool" value="ant" />

When using Gradle the keystore signing information now needs to go into a new location (as outlined in this post). Create new file called 'release-signing.properties' in the same folder as "build.gradle" file and put inside the following content:

storeFile=..\\..\\some-keystore.keystore
storeType=jks
keyAlias=some-key
// if you don't want to enter the password at every build, you can store it with this
keyPassword=your-key-password
storePassword=your-store-password

You have encoding problem with your sourcecode file. It is maybe ISO-8859-1 encoded, but the compiler was set to use UTF-8. This will results in errors when using characters, which will not have the same bytes representation in UTF-8 and ISO-8859-1. This will happen to all characters which are not part of ASCII, for example ¬ NOT SIGN.

You can simulate this with the following program. It just uses your line of source code and generates a ISO-8859-1 byte array and decode this "wrong" with UTF-8 encoding. You can see at which position the line gets corrupted. I added 2 spaces at your source code to fit position 74 to fit this to ¬ NOT SIGN, which is the only character, which will generate different bytes in ISO-8859-1 encoding and UTF-8 encoding. I guess this will match indentation with the real source file.

 String reg = "      String reg = \"^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[~#;:?/@&!\"'%*=¬.,-])(?=[^\\s]+$).{8,24}$\";";
 String corrupt=new String(reg.getBytes("ISO-8859-1"),"UTF-8");
 System.out.println(corrupt+": "+corrupt.charAt(74));
 System.out.println(reg+": "+reg.charAt(74));     

which results in the following output (messed up because of markup):

String reg = "^(?=.[0-9])(?=.[a-z])(?=.[A-Z])(?=.[~#;:?/@&!"'%*=?.,-])(?=[^\s]+$).{8,24}$";: ?

String reg = "^(?=.[0-9])(?=.[a-z])(?=.[A-Z])(?=.[~#;:?/@&!"'%*=¬.,-])(?=[^\s]+$).{8,24}$";: ¬

See "live" at https://ideone.com/ShZnB

To fix this, save the source files with UTF-8 encoding.

I know this is an old question but wanted to give an additional option.

The jQuery Globalize gives the ability to parse a culture specific format to a float.

https://github.com/jquery/globalize

Given a string "$13,042.00", and Globalize set to en-US:

Globalize.culture("en-US");

You can parse the float value out like so:

var result = Globalize.parseFloat(Globalize.format("$13,042.00", "c"));

This will give you:

13042.00

And allows you to work with other cultures.

add new server (tomcat) with different location. if i am not make mistake you are run multiple project with same tomcat and add same tomcat server on same location ..

add new tomcat for each new workspace.

In my case -- I was using Icons in my resource, but I needed to add them dynamically as Images to some ToolStripMenuItem(s). So in the method that I created (which is where the code snippet below comes from), I had to convert the icon resources to bitmaps before I could return them for addition to my MenuItem.

string imageName = myImageNameStr;
imageName = imageName.Replace(" ", "_");
Icon myIcon = (Icon)Resources.ResourceManager.GetObject(imageName);
return myIcon.ToBitmap();

Something else to be aware of, if your image/icon has spaces (" ") in its name when you add them to your resource, VS will automatically replace those spaces with "_"(s). Because, spaces are not a valid character when naming your resource. Which is why I'm using the Replace() method in my referenced code. You can likely just ignore that line.

Simplified example (with counter):

With Me.lstbox
    .ColumnCount = 2
    .ColumnWidths = "60;60"
    .AddItem
    .List(i, 0) = Company_ID
    .List(i, 1) = Company_name 
    i = i + 1

end with

Make sure to start the counter with 0, not 1 to fill up a listbox.

Okay, of course the question has been answered, but no-one seems to notice the third line of your code. It continuosly bugged me.

    <?php
    mysqli_connect("localhost","root","","web_table");
    mysql_select_db("web_table") or die(mysql_error());

for some reason, you made a mysqli connection to server, but you are trying to make a mysql connection to database.To get going, rather use

       $link = mysqli_connect("localhost","root","","web_table");
       mysqli_select_db ($link , "web_table" ) or die.....

or for where i began

     <?php $connection = mysqli_connect("localhost","root","","web_table");       
      global $connection; // global connection to databases - kill it once you're done

or just query with a $connection parameter as the other argument like above. Get rid of that third line.

The reason why you don't see such practice is quite subjective and cannot have a definite answer, because I have seen many of the code which uses your mentioned way rather than iterator style code.

Following can be reasons of people not considering vector.size() way of looping:

1. Being paranoid about calling size() every time in the loop condition. However either it's a non-issue or it can be trivially fixed
2. Preferring std::for_each() over the for loop itself
3. Later changing the container from std::vector to other one (e.g. map, list) will also demand the change of the looping mechanism, because not every container support size() style of looping

C++11 provides a good facility to move through the containers. That is called "range based for loop" (or "enhanced for loop" in Java).

With little code you can traverse through the full (mandatory!) std::vector:

vector<int> vi;
...
for(int i : vi) 
  cout << "i = " << i << endl;

Try this. Create a shortcut in startup folder and iuput

PowerShell "&.'PathToFile\script.ps1'"

This is the easiest way.

Below is code that I currently use to pull data from a MS SQL Server 2008 into VBA. You need to make sure you have the proper ADODB reference [VBA Editor->Tools->References] and make sure you have Microsoft ActiveX Data Objects 2.8 Library checked, which is the second from the bottom row that is checked (I'm using Excel 2010 on Windows 7; you might have a slightly different ActiveX version, but it will still begin with Microsoft ActiveX):

Sub Module for Connecting to MS SQL with Remote Host & Username/Password

Sub Download_Standard_BOM()
'Initializes variables
Dim cnn As New ADODB.Connection
Dim rst As New ADODB.Recordset
Dim ConnectionString As String
Dim StrQuery As String

'Setup the connection string for accessing MS SQL database
   'Make sure to change:
       '1: PASSWORD
       '2: USERNAME
       '3: REMOTE_IP_ADDRESS
       '4: DATABASE
    ConnectionString = "Provider=SQLOLEDB.1;Password=PASSWORD;Persist Security Info=True;User ID=USERNAME;Data Source=REMOTE_IP_ADDRESS;Use Procedure for Prepare=1;Auto Translate=True;Packet Size=4096;Use Encryption for Data=False;Tag with column collation when possible=False;Initial Catalog=DATABASE"

    'Opens connection to the database
    cnn.Open ConnectionString
    'Timeout error in seconds for executing the entire query; this will run for 15 minutes before VBA timesout, but your database might timeout before this value
    cnn.CommandTimeout = 900

    'This is your actual MS SQL query that you need to run; you should check this query first using a more robust SQL editor (such as HeidiSQL) to ensure your query is valid
    StrQuery = "SELECT TOP 10 * FROM tbl_table"

    'Performs the actual query
    rst.Open StrQuery, cnn
    'Dumps all the results from the StrQuery into cell A2 of the first sheet in the active workbook
    Sheets(1).Range("A2").CopyFromRecordset rst
End Sub

I had an exact situation where the Parent-component had a Select element in a form and on submit, I needed to call the relevant Child-Component's method according to the selected value from the select element.

Parent.HTML:

<form (ngSubmit)='selX' [formGroup]="xSelForm">
    <select formControlName="xSelector">
      ...
    </select>
<button type="submit">Submit</button>
</form>
<child [selectedX]="selectedX"></child>

Parent.TS:

selX(){
  this.selectedX = this.xSelForm.value['xSelector'];
}

Child.TS:

export class ChildComponent implements OnChanges {
  @Input() public selectedX;

  //ngOnChanges will execute if there is a change in the value of selectedX which has been passed to child as an @Input.

  ngOnChanges(changes: { [propKey: string]: SimpleChange }) {
    this.childFunction();
  }
  childFunction(){ }
}

Hope this helps.

example of textarea for disable the resize option

<textarea CLASS="foo"></textarea>

<style>
textarea.foo
{
resize:none;
}

</style>

Run the first emulator available:

~/Library/Android/sdk/tools/emulator -avd `~/Library/Android/sdk/tools/emulator -list-avds | awk '{print $1}'`

For me This was the solution on macOS ReInstall the psql

brew install postgres

Start PostgreSQL server

pg_ctl -D /usr/local/var/postgres start

Initialize DB

initdb /usr/local/var/postgres

If this command throws an error the rm the old database file and re-run the above command

rm -r /usr/local/var/postgres

Create a new database

createdb postgres_test
psql -W postegres_test

You will be logged into this db and can create a user in here to login

Let's go to the source -- 2.6.32, for example. The message is printed by show_signal_msg() function in arch/x86/mm/fault.c if the show_unhandled_signals sysctl is set.

"error" is not an errno nor a signal number, it's a "page fault error code" -- see definition of enum x86_pf_error_code.

"[7fa44d2f8000+f6f000]" is starting address and size of virtual memory area where offending object was mapped at the time of crash. Value of "ip" should fit in this region. With this info in hand, it should be easy to find offending code in gdb.

Follow : Windows --> Preferences --> Java ---> Installed JREs

SampleImage

Click on "Search.."

Navigate to C drive ---> Program files

Sample Image 2

Eclipse will find all the jre's and jdk's --> select one of the jdk and select Apply

If I remember well, some CSS properties you apply to table are not inherited as expected. So you should indeed apply the style directly to td,tr and th elements.

If you need to add styling to each column, use the <col> element in your table.

See an example here: http://jsfiddle.net/GlauberRocha/xkuRA/2/

NB: You can't have a margin in a td. Use padding instead.

Generally you can just cast the variable to become a short.

You can also get problems like this that can be confusing. This is because the + operator promotes them to an int

Casting the elements won't help:

You need to cast the expression:

I just had the same problem and found this setting in config/environments/production.rb:

# Rails 4:
config.serve_static_assets = false

# Or for Rails 5:
config.public_file_server.enabled = false

Changing it to true got it working. It seems by default Rails expects you to have configured your front-end webserver to handle requests for files out of the public folder instead of proxying them to the Rails app. Perhaps you've done this for your javascript files but not your CSS stylesheets?

(See Rails 5 documentation). As noted in comments, with Rails 5 you may just set the RAILS_SERVE_STATIC_FILES environment variable, since the default setting is config.public_file_server.enabled = ENV['RAILS_SERVE_STATIC_FILES'].present?.

It becomes clearer with some explanation of how the two values work.

The margin property is shorthand for:

margin-top
margin-right
margin-bottom
margin-left

So how come only two values?

Well, you can express margin with four values like this:

margin: 10px, 20px, 15px, 5px;

which would mean 10px top, 20px right, 15px bottom, 5px left

Likewise you can also express with two values like this:

margin: 20px 10px;

This would give you a margin 20px top and bottom and 10px left and right.

And if you set:

margin: 20px auto;

Then that means top and bottom margin of 20px and left and right margin of auto. And auto means that the left/right margin are automatically set based on the container. If your element is a block type element, meaning it is a box and takes up the entire width of the view, then auto sets the left and right margin the same and hence the element is centered.

This should do what you want:

preg_replace("/[^0-9]/", "",$c);

send the WindowSettings as the parameter of the constructor of the DialogSettingsCancel and then on the button1_Click when yes is pressed call the close method of both of them.

public class DialogSettingsCancel
{
    WindowSettings parent;

    public DialogSettingsCancel(WindowSettings settings)
    {
        this.parent = settings;        
    }

    private void button1_Click(object sender, EventArgs e)
    {
        //Code to trigger when the "Yes"-button is pressed.
        this.parent.Close();
        this.Close();
    }
}

Some threads do background tasks, like sending keepalive packets, or performing periodic garbage collection, or whatever. These are only useful when the main program is running, and it's okay to kill them off once the other, non-daemon, threads have exited.

Without daemon threads, you'd have to keep track of them, and tell them to exit, before your program can completely quit. By setting them as daemon threads, you can let them run and forget about them, and when your program quits, any daemon threads are killed automatically.

the am giving you is the code for trigger for INSERT, UPDATE and DELETE this works fine on Microsoft SQL SERVER 2008 and onwards database i am using is Northwind

/* comment section first create a table to keep track of Insert, Delete, Update
create table Emp_Audit(
                    EmpID int,
                    Activity varchar(20),
                    DoneBy varchar(50),
                    Date_Time datetime NOT NULL DEFAULT GETDATE()
                   );

select * from Emp_Audit*/

create trigger Employee_trigger
on Employees
after UPDATE, INSERT, DELETE
as
declare @EmpID int,@user varchar(20), @activity varchar(20);
if exists(SELECT * from inserted) and exists (SELECT * from deleted)
begin
    SET @activity = 'UPDATE';
    SET @user = SYSTEM_USER;
    SELECT @EmpID = EmployeeID from inserted i;
    INSERT into Emp_Audit(EmpID,Activity, DoneBy) values (@EmpID,@activity,@user);
end

If exists (Select * from inserted) and not exists(Select * from deleted)
begin
    SET @activity = 'INSERT';
    SET @user = SYSTEM_USER;
    SELECT @EmpID = EmployeeID from inserted i;
    INSERT into Emp_Audit(EmpID,Activity, DoneBy) values(@EmpID,@activity,@user);
end

If exists(select * from deleted) and not exists(Select * from inserted)
begin 
    SET @activity = 'DELETE';
    SET @user = SYSTEM_USER;
    SELECT @EmpID = EmployeeID from deleted i;
    INSERT into Emp_Audit(EmpID,Activity, DoneBy) values(@EmpID,@activity,@user);
end

Try it

<!- HTML -->
<tr onmouseover="mOvr(this,'#ffa');" onmouseout="mOut(this,'#FFF');">

<script>
function mOvr(src,clrOver) { 
  if (!src.contains(event.fromElement)) { 
  src.bgColor = clrOver; 
  } 
} 
function mOut(src,clrIn) { 
  if (!src.contains(event.toElement)) { 
  src.bgColor = clrIn; 
  } 
} 
</script>

tmtheme-editor.herokuapp.com seems pretty nice.

On the mac, the default theme files are in ~/Library/Application\ Support/Sublime\ Text\ 2/Packages/Color\ Scheme\ -\ Default

On Win7, the default theme files are in %appdata%\Sublime Text 2\Packages\Color Scheme - Default

Maybe you need this:

SELECT DATEADD(DD, 1 - DATEPART(DW, GETDATE()), GETDATE())

Or

DECLARE @MYDATE DATETIME
SET @MYDATE = '2011-08-23'
SELECT DATEADD(DD, 1 - DATEPART(DW, @MYDATE), @MYDATE)

Function

CREATE FUNCTION [dbo].[GetFirstDayOfWeek]
( @pInputDate    DATETIME )
RETURNS DATETIME
BEGIN

SET @pInputDate = CONVERT(VARCHAR(10), @pInputDate, 111)
RETURN DATEADD(DD, 1 - DATEPART(DW, @pInputDate),
               @pInputDate)

END
GO

 /**
 * Usage "foo baz".insertInside(4, 0, "bar ") ==> "foo bar baz"
 */
String.prototype.insertInside = function(start, delCount, newSubStr) {
    return this.slice(0, start) + newSubStr + this.slice(start + Math.abs(delCount));
};


 $('textarea').bind("keydown keypress", function (event) {
   var val = $(this).val();
   var indexOf = $(this).prop('selectionStart');
   if(event.which === 13) {
       val = val.insertInside(indexOf, 0,  "<br>\n");
       $(this).val(val);
       $(this).focus();
    }
})

Here's a different approach. Create a custom Exception annotated with @ResponseStatus, like the following one.

@ResponseStatus(code = HttpStatus.NOT_FOUND, reason = "Not Found")
public class NotFoundException extends Exception {

    public NotFoundException() {
    }
}

And throw it when needed.

@RequestMapping(value = "/matches/{matchId}", produces = "application/json")
@ResponseBody
public String match(@PathVariable String matchId) {
    String json = matchService.getMatchJson(matchId);
    if (json == null) {
        throw new NotFoundException();
    }
    return json;
}

Check out the Spring documentation here: http://docs.spring.io/spring/docs/current/spring-framework-reference/htmlsingle/#mvc-ann-annotated-exceptions.

The first 10 directories with the highest number of files.

dir=/ ; for i in $(ls -1 ${dir} | sort -n) ; { echo "$(find ${dir}${i} \
    -type f | wc -l) => $i,"; } | sort -nr | head -10

Change your HOME environment variable.

on XP, its right-click My Computer >> Properties >> Advanced >> Environment Variables >> User Variables for >> [select variable HOME] >> edit

you can also do

SELECT SQL_CALC_FOUND_ROWS * FROM tbl limit 0, 20

The row count of the select statement (without the limit) is captured in the same select statement so that you don't need to query the table size again. You get the row count using SELECT FOUND_ROWS();

Combine the answers of RooiWillie and MohD
and remember to run your app with administrative right.

var appName = System.Diagnostics.Process.GetCurrentProcess().ProcessName + ".exe";

RegistryKey Regkey = null;
try
{
    int BrowserVer, RegVal;

    // get the installed IE version
    using (WebBrowser Wb = new WebBrowser())
        BrowserVer = Wb.Version.Major;

    // set the appropriate IE version
    if (BrowserVer >= 11)
        RegVal = 11001;
    else if (BrowserVer == 10)
        RegVal = 10001;
    else if (BrowserVer == 9)
        RegVal = 9999;
    else if (BrowserVer == 8)
        RegVal = 8888;
    else
        RegVal = 7000;

    //For 64 bit Machine 
    if (Environment.Is64BitOperatingSystem)
        Regkey = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(@"SOFTWARE\\Wow6432Node\\Microsoft\\Internet Explorer\\MAIN\\FeatureControl\\FEATURE_BROWSER_EMULATION", true);
    else  //For 32 bit Machine 
        Regkey = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(@"SOFTWARE\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\FEATURE_BROWSER_EMULATION", true);

    //If the path is not correct or 
    //If user't have priviledges to access registry 
    if (Regkey == null)
    {
        MessageBox.Show("Registry Key for setting IE WebBrowser Rendering Address Not found. Try run the program with administrator's right.");
        return;
    }

    string FindAppkey = Convert.ToString(Regkey.GetValue(appName));

    //Check if key is already present 
    if (FindAppkey == RegVal.ToString())
    {
        Regkey.Close();
        return;
    }

    Regkey.SetValue(appName, RegVal, RegistryValueKind.DWord);
}
catch (Exception ex)
{
    MessageBox.Show("Registry Key for setting IE WebBrowser Rendering failed to setup");
    MessageBox.Show(ex.Message);
}
finally
{
    //Close the Registry 
    if (Regkey != null)
        Regkey.Close();
}

By postfixing the URL with ?WSDL

If the URL is for example:

http://webservice.example:1234/foo

You use:

http://webservice.example:1234/foo?WSDL

And the wsdl will be delivered.

Most of the time, it is the same.

But, path can exist physically whereas path.exists() returns False. This is the case if os.stat() returns False for this file.

If path exists physically, then path.isdir() will always return True. This does not depend on platform.

Similar to Etienne's solution, a simple table formats nicely:

| | |
|-|-|
|`NOTE` | This is something I want you to notice. It has a lot of text, and I want that text to wrap within a cell to the right of the `NOTE`, instead of under it.|

Another alternative (which comes with more emphasis), is to make the content the header of a body-less table:

|`NOTE` | This is something I want you to notice. It has a lot of text, and I want that text to wrap within a cell to the right of the `NOTE`, instead of under it.|
|-|-|

Finally, you can include a horizontal line (thematic break) to create a closed box (although the line style is a little different than the header line in the table):

| | |
|-|-|
|`NOTE` | This is something I want you to notice. It has a lot of text, and I want that text to wrap within a cell to the right of the `NOTE`, instead of under it.|

---

Note the empty line after the text.

It's worth noting that in Firefox 3 and Safari, resizing an image by just changing the height and width doesn't look too bad. In other browsers it can look very noisy because it's using nearest-neighbor resampling. Of course, you're paying to serve a larger image, but that might not matter.

Programmatic formatting solution:

The JSON.stringify method supported by many modern browsers (including IE8) can output a beautified JSON string:

JSON.stringify(jsObj, null, "\t"); // stringify with tabs inserted at each level
JSON.stringify(jsObj, null, 4);    // stringify with 4 spaces at each level

Demo: http://jsfiddle.net/AndyE/HZPVL/

This method is also included with json2.js, for supporting older browsers.

Manual formatting solution

If you don't need to do it programmatically, Try JSON Lint. Not only will it prettify your JSON, it will validate it at the same time.

Following is a summarization and curation from many different sources on this topic including code example and quotes from selected blog posts. The complete list of best practices can be found here

Best practices of Node.JS error handling

Number1: Use promises for async error handling

TL;DR: Handling async errors in callback style is probably the fastest way to hell (a.k.a the pyramid of doom). The best gift you can give to your code is using instead a reputable promise library which provides much compact and familiar code syntax like try-catch

Otherwise: Node.JS callback style, function(err, response), is a promising way to un-maintainable code due to the mix of error handling with casual code, excessive nesting and awkward coding patterns

Code example - good

doWork()
.then(doWork)
.then(doError)
.then(doWork)
.catch(errorHandler)
.then(verify);

code example anti pattern – callback style error handling

getData(someParameter, function(err, result){
    if(err != null)
      //do something like calling the given callback function and pass the error
    getMoreData(a, function(err, result){
          if(err != null)
            //do something like calling the given callback function and pass the error
        getMoreData(b, function(c){ 
                getMoreData(d, function(e){ 
                    ...
                });
            });
        });
    });
});

Blog quote: "We have a problem with promises" (From the blog pouchdb, ranked 11 for the keywords "Node Promises")

"…And in fact, callbacks do something even more sinister: they deprive us of the stack, which is something we usually take for granted in programming languages. Writing code without a stack is a lot like driving a car without a brake pedal: you don’t realize how badly you need it, until you reach for it and it’s not there. The whole point of promises is to give us back the language fundamentals we lost when we went async: return, throw, and the stack. But you have to know how to use promises correctly in order to take advantage of them."

Number2: Use only the built-in Error object

TL;DR: It pretty common to see code that throws errors as string or as a custom type – this complicates the error handling logic and the interoperability between modules. Whether you reject a promise, throw exception or emit error – using Node.JS built-in Error object increases uniformity and prevents loss of error information

Otherwise: When executing some module, being uncertain which type of errors come in return – makes it much harder to reason about the coming exception and handle it. Even worth, using custom types to describe errors might lead to loss of critical error information like the stack trace!

Code example - doing it right

    //throwing an Error from typical function, whether sync or async
 if(!productToAdd)
 throw new Error("How can I add new product when no value provided?");

//'throwing' an Error from EventEmitter
const myEmitter = new MyEmitter();
myEmitter.emit('error', new Error('whoops!'));

//'throwing' an Error from a Promise
 return new promise(function (resolve, reject) {
 DAL.getProduct(productToAdd.id).then((existingProduct) =>{
 if(existingProduct != null)
 return reject(new Error("Why fooling us and trying to add an existing product?"));

code example anti pattern

//throwing a String lacks any stack trace information and other important properties
if(!productToAdd)
    throw ("How can I add new product when no value provided?");

Blog quote: "A string is not an error" (From the blog devthought, ranked 6 for the keywords “Node.JS error object”)

"…passing a string instead of an error results in reduced interoperability between modules. It breaks contracts with APIs that might be performing instanceof Error checks, or that want to know more about the error. Error objects, as we’ll see, have very interesting properties in modern JavaScript engines besides holding the message passed to the constructor.."

Number3: Distinguish operational vs programmer errors

TL;DR: Operations errors (e.g. API received an invalid input) refer to known cases where the error impact is fully understood and can be handled thoughtfully. On the other hand, programmer error (e.g. trying to read undefined variable) refers to unknown code failures that dictate to gracefully restart the application

Otherwise: You may always restart the application when an error appear, but why letting ~5000 online users down because of a minor and predicted error (operational error)? the opposite is also not ideal – keeping the application up when unknown issue (programmer error) occurred might lead unpredicted behavior. Differentiating the two allows acting tactfully and applying a balanced approach based on the given context

Code example - doing it right

    //throwing an Error from typical function, whether sync or async
 if(!productToAdd)
 throw new Error("How can I add new product when no value provided?");

//'throwing' an Error from EventEmitter
const myEmitter = new MyEmitter();
myEmitter.emit('error', new Error('whoops!'));

//'throwing' an Error from a Promise
 return new promise(function (resolve, reject) {
 DAL.getProduct(productToAdd.id).then((existingProduct) =>{
 if(existingProduct != null)
 return reject(new Error("Why fooling us and trying to add an existing product?"));

code example - marking an error as operational (trusted)

//marking an error object as operational 
var myError = new Error("How can I add new product when no value provided?");
myError.isOperational = true;

//or if you're using some centralized error factory (see other examples at the bullet "Use only the built-in Error object")
function appError(commonType, description, isOperational) {
    Error.call(this);
    Error.captureStackTrace(this);
    this.commonType = commonType;
    this.description = description;
    this.isOperational = isOperational;
};

throw new appError(errorManagement.commonErrors.InvalidInput, "Describe here what happened", true);

//error handling code within middleware
process.on('uncaughtException', function(error) {
    if(!error.isOperational)
        process.exit(1);
});

Blog Quote: "Otherwise you risk the state" (From the blog debugable, ranked 3 for the keywords "Node.JS uncaught exception")

"…By the very nature of how throw works in JavaScript, there is almost never any way to safely “pick up where you left off”, without leaking references, or creating some other sort of undefined brittle state. The safest way to respond to a thrown error is to shut down the process. Of course, in a normal web server, you might have many connections open, and it is not reasonable to abruptly shut those down because an error was triggered by someone else. The better approach is to send an error response to the request that triggered the error, while letting the others finish in their normal time, and stop listening for new requests in that worker"

Number4: Handle errors centrally, through but not within middleware

TL;DR: Error handling logic such as mail to admin and logging should be encapsulated in a dedicated and centralized object that all end-points (e.g. Express middleware, cron jobs, unit-testing) call when an error comes in.

Otherwise: Not handling errors within a single place will lead to code duplication and probably to errors that are handled improperly

Code example - a typical error flow

//DAL layer, we don't handle errors here
DB.addDocument(newCustomer, (error, result) => {
    if (error)
        throw new Error("Great error explanation comes here", other useful parameters)
});

//API route code, we catch both sync and async errors and forward to the middleware
try {
    customerService.addNew(req.body).then(function (result) {
        res.status(200).json(result);
    }).catch((error) => {
        next(error)
    });
}
catch (error) {
    next(error);
}

//Error handling middleware, we delegate the handling to the centrzlied error handler
app.use(function (err, req, res, next) {
    errorHandler.handleError(err).then((isOperationalError) => {
        if (!isOperationalError)
            next(err);
    });
});

Blog quote: "Sometimes lower levels can’t do anything useful except propagate the error to their caller" (From the blog Joyent, ranked 1 for the keywords “Node.JS error handling”)

"…You may end up handling the same error at several levels of the stack. This happens when lower levels can’t do anything useful except propagate the error to their caller, which propagates the error to its caller, and so on. Often, only the top-level caller knows what the appropriate response is, whether that’s to retry the operation, report an error to the user, or something else. But that doesn’t mean you should try to report all errors to a single top-level callback, because that callback itself can’t know in what context the error occurred"

Number5: Document API errors using Swagger

TL;DR: Let your API callers know which errors might come in return so they can handle these thoughtfully without crashing. This is usually done with REST API documentation frameworks like Swagger

Otherwise: An API client might decide to crash and restart only because he received back an error he couldn’t understand. Note: the caller of your API might be you (very typical in a microservices environment)

Blog quote: "You have to tell your callers what errors can happen" (From the blog Joyent, ranked 1 for the keywords “Node.JS logging”)

…We’ve talked about how to handle errors, but when you’re writing a new function, how do you deliver errors to the code that called your function? …If you don’t know what errors can happen or don’t know what they mean, then your program cannot be correct except by accident. So if you’re writing a new function, you have to tell your callers what errors can happen and what they mea

Number6: Shut the process gracefully when a stranger comes to town

TL;DR: When an unknown error occurs (a developer error, see best practice number #3)- there is uncertainty about the application healthiness. A common practice suggests restarting the process carefully using a ‘restarter’ tool like Forever and PM2

Otherwise: When an unfamiliar exception is caught, some object might be in a faulty state (e.g an event emitter which is used globally and not firing events anymore due to some internal failure) and all future requests might fail or behave crazily

Code example - deciding whether to crash

//deciding whether to crash when an uncaught exception arrives
//Assuming developers mark known operational errors with error.isOperational=true, read best practice #3
process.on('uncaughtException', function(error) {
 errorManagement.handler.handleError(error);
 if(!errorManagement.handler.isTrustedError(error))
 process.exit(1)
});


//centralized error handler encapsulates error-handling related logic 
function errorHandler(){
 this.handleError = function (error) {
 return logger.logError(err).then(sendMailToAdminIfCritical).then(saveInOpsQueueIfCritical).then(determineIfOperationalError);
 }

 this.isTrustedError = function(error)
 {
 return error.isOperational;
 }

Blog quote: "There are three schools of thoughts on error handling" (From the blog jsrecipes)

…There are primarily three schools of thoughts on error handling: 1. Let the application crash and restart it. 2. Handle all possible errors and never crash. 3. Balanced approach between the two

Number7: Use a mature logger to increase errors visibility

TL;DR: A set of mature logging tools like Winston, Bunyan or Log4J, will speed-up error discovery and understanding. So forget about console.log.

Otherwise: Skimming through console.logs or manually through messy text file without querying tools or a decent log viewer might keep you busy at work until late

Code example - Winston logger in action

//your centralized logger object
var logger = new winston.Logger({
 level: 'info',
 transports: [
 new (winston.transports.Console)(),
 new (winston.transports.File)({ filename: 'somefile.log' })
 ]
 });

//custom code somewhere using the logger
logger.log('info', 'Test Log Message with some parameter %s', 'some parameter', { anything: 'This is metadata' });

Blog quote: "Lets identify a few requirements (for a logger):" (From the blog strongblog)

…Lets identify a few requirements (for a logger): 1. Time stamp each log line. This one is pretty self explanatory – you should be able to tell when each log entry occured. 2. Logging format should be easily digestible by humans as well as machines. 3. Allows for multiple configurable destination streams. For example, you might be writing trace logs to one file but when an error is encountered, write to the same file, then into error file and send an email at the same time…

Number8: Discover errors and downtime using APM products

TL;DR: Monitoring and performance products (a.k.a APM) proactively gauge your codebase or API so they can auto-magically highlight errors, crashes and slow parts that you were missing

Otherwise: You might spend great effort on measuring API performance and downtimes, probably you’ll never be aware which are your slowest code parts under real world scenario and how these affects the UX

Blog quote: "APM products segments" (From the blog Yoni Goldberg)

"…APM products constitutes 3 major segments:1. Website or API monitoring – external services that constantly monitor uptime and performance via HTTP requests. Can be setup in few minutes. Following are few selected contenders: Pingdom, Uptime Robot, and New Relic 2. Code instrumentation – products family which require to embed an agent within the application to benefit feature slow code detection, exceptions statistics, performance monitoring and many more. Following are few selected contenders: New Relic, App Dynamics 3. Operational intelligence dashboard – these line of products are focused on facilitating the ops team with metrics and curated content that helps to easily stay on top of application performance. This is usually involves aggregating multiple sources of information (application logs, DB logs, servers log, etc) and upfront dashboard design work. Following are few selected contenders: Datadog, Splunk"

The above is a shortened version - see here more best practices and examples

While debugging System.Diagnostics.Debug.WriteLine will display in the output window (Ctrl+Alt+O), you can also add a TraceListener to the Debug.Listeners collection to specify Debug.WriteLine calls to output in other locations.

Note: Debug.WriteLine calls may not display in the output window if you have the Visual Studio option "Redirect all Output Window text to the Immediate Window" checked under the menu Tools ? Options ? Debugging ? General. To display "Tools ? Options ? Debugging", check the box next to "Tools ? Options ? Show All Settings".

Try using DBCC CHECKIDENT:

DBCC CHECKIDENT ('YourTable', RESEED, 1);

A CTE worked for me:

with cte as (
  select 1 col1
  from temptable
  group by column_1
)

select COUNT(col1)
from cte;

as others mentioned well and in this thread

use of unneeded swift files in "copy bundle resources"

In my case i was using Ubuntu. Where the was two directories one was /android-sdks and /android-sdk-linux. I used the second one it works for me :)

You can disable port 80 and 443 as alternative incoming connections in Skype settings - Advanced settings - Connection.

_{(source: ctrlv.in)}

There is a timeout on broken connections (i.e. due to network errors), which relies on the OS' TCP keepalive feature. By default on Linux, broken TCP connections are closed after ~2 hours (see sysctl net.ipv4.tcp_keepalive_time).

There is also a timeout on abandoned transactions, idle_in_transaction_session_timeout and on locks, lock_timeout. It is recommended to set these in postgresql.conf.

But there is no timeout for a properly established client connection. If a client wants to keep the connection open, then it should be able to do so indefinitely. If a client is leaking connections (like opening more and more connections and never closing), then fix the client. Do not try to abort properly established idle connections on the server side.

I am not new to stackoverflow, just never had an account and usually came here for answers. I can't comment or vote up an answer yet. BUT wanted to say that the code from Michael Bacon above works really well. I am new to Python but not to programming. I have been reading Python Crash Course and there are a few things I wanted to do to break up the reading cover to cover approach. One utility that has uses from an ETL or even data quality perspective would be to capture the row count of a file independently from any ETL. The file has X number of rows, you import into SQL or Hadoop and you end up with X number of rows. You can validate at the lowest level the row count of a raw data file.

I have been playing with his code and doing some testing and this code is very efficient so far. I have created several different CSV files, various sizes, and row counts. You can see my code below and my comments provide the times and details. The code Michael Bacon above provided runs about 6 times faster than the normal Python method of just looping the lines.

Hope this helps someone.

 import time
from itertools import (takewhile,repeat)

def readfilesimple(myfile):

    # watch me whip
    linecounter = 0
    with open(myfile,'r') as file_object:
        # watch me nae nae
         for lines in file_object:
            linecounter += 1

    return linecounter

def readfileadvanced(myfile):

    # watch me whip
    f = open(myfile, 'rb')
    # watch me nae nae
    bufgen = takewhile(lambda x: x, (f.raw.read(1024 * 1024) for _ in repeat(None)))
    return sum(buf.count(b'\n') for buf in bufgen if buf)
    #return linecounter


# ************************************
# Main
# ************************************

#start the clock

start_time = time.time()

# 6.7 seconds to read a 475MB file that has 24 million rows and 3 columns
#mycount = readfilesimple("c:/junk/book1.csv")

# 0.67 seconds to read a 475MB file that has 24 million rows and 3 columns
#mycount = readfileadvanced("c:/junk/book1.csv")

# 25.9 seconds to read a 3.9Gb file that has 3.25 million rows and 104 columns
#mycount = readfilesimple("c:/junk/WideCsvExample/ReallyWideReallyBig1.csv")

# 5.7 seconds to read a 3.9Gb file that has 3.25 million rows and 104 columns
#mycount = readfileadvanced("c:/junk/WideCsvExample/ReallyWideReallyBig1.csv")


# 292.92 seconds to read a 43Gb file that has 35.7 million rows and 104 columns
mycount = readfilesimple("c:/junk/WideCsvExample/ReallyWideReallyBig.csv")

# 57 seconds to read a 43Gb file that has 35.7 million rows and 104 columns
#mycount = readfileadvanced("c:/junk/WideCsvExample/ReallyWideReallyBig.csv")


#stop the clock
elapsed_time = time.time() - start_time


print("\nCode Execution: " + str(elapsed_time) + " seconds\n")
print("File contains: " + str(mycount) + " lines of text.")

The : is a bitfield. As for !!, that is logical double negation and so returns 0 for false or 1 for true. And the - is a minus sign, i.e. arithmetic negation.

It's all just a trick to get the compiler to barf on invalid inputs.

Consider BUILD_BUG_ON_ZERO. When -!!(e) evaluates to a negative value, that produces a compile error. Otherwise -!!(e) evaluates to 0, and a 0 width bitfield has size of 0. And hence the macro evaluates to a size_t with value 0.

The name is weak in my view because the build in fact fails when the input is not zero.

BUILD_BUG_ON_NULL is very similar, but yields a pointer rather than an int.

Insert command tree in bash.

Also, there is a DOS comnand "tree". You can displays directory paths and files in each subdirectory with command:

tree /F

https://web.csulb.edu/~murdock/tree.html

$('li[rel=7]').siblings().andSelf();

// or:

$('li[rel=7]').parent().children();

Now that you added that comment explaining that you want to "form an array of rels per column", you should do this:

var rels = [];

$('ul').each(function() {
    var localRels = [];

    $(this).find('li').each(function(){
        localRels.push( $(this).attr('rel') );
    });

    rels.push(localRels);
});

Using base graphics, the standard way to do this is to use axes=FALSE, then create your own axes using Axis (or axis). For example,

x <- 1:20
y <- runif(20)
plot(x, y, axes=FALSE, frame.plot=TRUE)
Axis(side=1, labels=FALSE)
Axis(side=2, labels=FALSE)

The lattice equivalent is

library(lattice)
xyplot(y ~ x, scales=list(alternating=0))

You don't need the separate fill item. In fact, it's invalid. You just have to add a solid block to the shape. The subsequent stroke draws on top of the solid:

<shape 
    xmlns:android="http://schemas.android.com/apk/res/android" 
    android:shape="rectangle">

    <corners android:radius="5dp" />
    <solid android:color="@android:color/white" />
    <stroke
        android:width="1dip"
        android:color="@color/bggrey" />
</shape>

You also don't need the layer-list if you only have one shape.

In my case, because I'm using PyCharm and PyCharm create a 'venv' for every project in project folder, but it is only a mini env of python. Although you have installed the libraries you need in Python, but in your custom project 'venv', it is not available. This is the real reason of 'ImportError: No module named xxxxxx' occurred in PyCharm. To resolve this issue, you must add libraries to your project custom env by these steps:

• In PyCharm, from menu 'File'->Settings
• In Settings dialog, Project: XXXProject->Project Interpreter
• Click "Add" button, it will show you 'Available Packages' dialog
• Search your library, click 'Install Package'
• Then, all you needed package will be installed in you project custom 'venv' folder.

Enjoy.

just add

table.setEnabled(false);

it works fine for me.

I have found that 6 decimal places is sometimes required (at least in Chrome) for the 1/3 to return a perfect result.

E.g., 1140px / 3 = 380px

If you had 3 elements within the 1140 container, they would need to have a width set to 33.333333% before Chrome's inspector tool shows that they are at 380px. Any less amount of decimal places, and Chrome returns a lesser width of 379.XXXpx

Just use plt.tight_layout() before plt.show(). It works well.

I' ve got the same problem. My solution is this :

If you using LinQ2SQL in your project, Open your dbml file in Visual Studio and change Serialization Mode to "Unidirectional" on

Try using String.replace() or String.replaceAll() instead.

String my_new_str = my_str.replace("&", "&");

(Both replace all occurrences; replaceAll allows use of regex.)

By using sed -i with $ a , you can append text, containing both variables and special characters, after the last line.

For example, adding $NEW_HOST with $NEW_IP to /etc/hosts:

sudo sed -i "\$ a $NEW_IP\t\t$NEW_HOST.domain.local\t$NEW_HOST" /etc/hosts

sed options explained:

• -i for in-place
• $ for last line
• a for append

If your data is always going to be repeatable, perhaps don't worry about it. However, you can unroll it too - this is especially useful if the incoming data could be large (for example, reading from disk/network):

if(objects == null) throw new ArgumentException();
using(var iter = objects.GetEnumerator()) {
    if(!iter.MoveNext()) throw new ArgumentException();

    var firstObject = iter.Current;
    var list = DoSomeThing(firstObject);  

    while(iter.MoveNext()) {
        list.Add(DoSomeThingElse(iter.Current));
    }
    return list;
}

Note I changed the semantic of DoSomethingElse a bit, but this is mainly to show unrolled usage. You could re-wrap the iterator, for example. You could make it an iterator block too, which could be nice; then there is no list - and you would yield return the items as you get them, rather than add to a list to be returned.

select a.* , b.Aa , b.Ab, b.Ac from table1 a left join table2 b on a.id=b.id

this should select all columns from table 1 and only the listed columns from table 2 joined by id.

Also sometimes there is situation when you are working on serial console, then checking above command in verbose mode -v will show you /dev/tty does not exists, while it does.

In above case just remove /dev/tty and create a symlink of /dev/ttyS0 to /dev/tty.

You can use the mciSendString API to play an MP3 or a WAV file:

[DllImport("winmm.dll")]
public static extern uint mciSendString( 
    string lpstrCommand,
    StringBuilder lpstrReturnString,
    int uReturnLength,
    IntPtr hWndCallback
);

mciSendString(@"close temp_alias", null, 0, IntPtr.Zero);
mciSendString(@"open ""music.mp3"" alias temp_alias", null, 0, IntPtr.Zero);
mciSendString("play temp_alias repeat", null, 0, IntPtr.Zero);

you also do something good:

text_empty = df['column name'].str.len() > -1

df.loc[text_empty].index

The results will be the rows which are empty & it's index number.

I've seen this a few times and my only solution was a re-boot.

You could try using PowerShell: Get-Process devenv | kill

But if the other methods failed, this probably will too. :-(

you can also add host as well with same command like :

php artisan serve --host=172.10.29.100 --port=8080

The following approach can be used to get any path of a pathname:

some_path=a/b/c
echo $(basename $some_path)
echo $(basename $(dirname $some_path))
echo $(basename $(dirname $(dirname $some_path)))

Output:

c
b
a

According to the documentation, timestamp is a synonym for rowversion - it's automatically generated and guaranteed¹ to be unique. datetime isn't - it's just a data type which handles dates and times, and can be client-specified on insert etc.

¹ Assuming you use it properly, of course. See comments.

This works too.

const $el = $(".myclass");
const className = $el[0].className;

What about naming your column?

INSERT INTO dbo.rLicenses (name) VALUES ('test')

It's been years since I tried updating via a view so YMMV as HLGEM mentioned.

I would consider an "INSTEAD OF" trigger on the view to allow a simple INSERT dbo.Licenses (ie the table) in the trigger

You can also try react-native-hr-component

npm i react-native-hr-component --save

Your code:

import Hr from 'react-native-hr-component'

//..

<Hr text="Some Text" fontSize={5} lineColor="#eee" textPadding={5} textStyles={yourCustomStyles} hrStyles={yourCustomHRStyles} />

OpenFileDialog fdlg = new OpenFileDialog();
fdlg.Title = "C# Corner Open File Dialog" ;
fdlg.InitialDirectory = @"c:\" ;
fdlg.Filter = "All files (*.*)|*.*|All files (*.*)|*.*" ;
fdlg.FilterIndex = 2 ;
fdlg.RestoreDirectory = true ;
if(fdlg.ShowDialog() == DialogResult.OK)
{
textBox1.Text = fdlg.FileName ;
}

In this code you can put your address in a text box.

When accessing the field value, pass the instance rather than null.

Why not use code generation here? Eclipse, for example, will generate a reasoble toString implementation for you.

You can do easily like bellow,

_employee.Gender = rbtnMale.Checked?rbtnMale.Text:_employee.Gender;
_employee.Gender = rbtnFemale.Checked?rbtnFemale.Text:_employee.Gender;

This takes into account blank characters other than space and I think it's faster than using re module:

url = "_".join( title.split() )

Very simple:

import json
data = json.loads('{"one" : "1", "two" : "2", "three" : "3"}')
print data['two']

Here is what you do in Excel 2003:

1. In your sheet of interest, go to Format -> Sheet -> Hide and hide your sheet.
2. Go to Tools -> Protection -> Protect Workbook, make sure Structure is selected, and enter your password of choice.

Here is what you do in Excel 2007:

1. In your sheet of interest, go to Home ribbon -> Format -> Hide & Unhide -> Hide Sheet and hide your sheet.
2. Go to Review ribbon -> Protect Workbook, make sure Structure is selected, and enter your password of choice.

Once this is done, the sheet is hidden and cannot be unhidden without the password. Make sense?

If you really need to keep some calculations secret, try this: use Access (or another Excel workbook or some other DB of your choice) to calculate what you need calculated, and export only the "unclassified" results to your Excel workbook.

My controversial opinion? Java doesn't suck but Java API's do. Why do java libraries insist on making it hard to do simple tasks? And why, instead of fixing the APIs, do they create frameworks to help manage the boilerplate code? This opinion can apply to any language that requires 10 or more lines of code to read a line from a file.

You can write like that. This is for whenever you change context path you don't need to modify your jsp file.

<link rel="stylesheet" href="${pageContext.request.contextPath}/css/styles.css" />

In Perl 5.14 (it works in now in Perl 5.13), we'll be able to just use keys on the hash reference

use v5.13.7;

foreach my $key (keys $ad_grp_ref) {
    ...
}

The only way to execute PHP from JS is AJAX. You can send data to server (for eg, GET /ajax.php?do=someFunction) then in ajax.php you write:

function someFunction() {
    echo 'Answer';
}

if ($_GET['do'] === "someFunction") {
    someFunction();
}

and then, catch the answer with JS (i'm using jQuery for making AJAX requests)

Probably you'll need some format of answer. See JSON or XML, but JSON is easy to use with JavaScript. In PHP you can use function json_encode($array); which gets array as argument.

If it were me, I'd put the EXE file in the root directory (C:) and see if it works like that. If so, it's probably the (already mentioned) spaces in the directory name. If not, it may be some environment variables.

Also, try to check you stderr (using an earlier answer by int3):

import subprocess
process = subprocess.Popen(["C:/Documents and Settings/flow_model/flow.exe"], \
                           stderr = subprocess.PIPE)
if process.stderr:
    print process.stderr.readlines()

The code might not be entirely correct as I usually don't use Popen or Windows, but should give the idea. It might well be that the error message is on the error stream.

You are tying one had behind your back saying that you won't use the LESS files. I built my first Twitter Bootstrap theme using 2.0, and I did everything in CSS -- creating an override.css file. It took days to get things to work correctly.

Now we have 3.0. Let me assure you that it takes less time to learn LESS, which is pretty straight forward if you're comfortable with CSS, than doing all of those crazy CSS overrides. Making changes like the one you want is a piece of cake.

In Bootstrap 3.0, the container class controls the width, and all of the contained styles adjust to fill the container. The container width variables are at the bottom of the variables.less file.

// Container sizes
// --------------------------------------------------

// Small screen / tablet
@container-tablet:            ((720px + @grid-gutter-width));

// Medium screen / desktop
@container-desktop:           ((940px + @grid-gutter-width));

// Large screen / wide desktop
@container-lg-desktop:        ((1020px + @grid-gutter-width));

Some sites either don't have enough content to fill the 1020 display or you want a narrower frame for aesthetic reasons. Because BS uses a 12-column grid I use a multiple like 960.

The Header field of the Request is public. You may do this :

req.Header.Set("name", "value")

Have you tried just adding another Include:

Course course = db.Courses
                .Include(i => i.Modules.Select(s => s.Chapters))
                .Include(i => i.Lab)
                .Single(x => x.Id == id);

Your solution fails because Include doesn't take a boolean operator

Include(i => i.Modules.Select(s => s.Chapters) &&          i.Lab)
                           ^^^                  ^             ^ 
                          list           bool operator    other list

Update To learn more, download LinqPad and look through the samples. I think it is the quickest way to get familiar with Linq and Lambda.

As a start - the difference between Select and Include is that that with a Select you decide what you want to return (aka projection). The Include is a Eager Loading function, that tells Entity Framework that you want it to include data from other tables.

The Include syntax can also be in string. Like this:

           db.Courses
            .Include("Module.Chapter")
            .Include("Lab")
            .Single(x => x.Id == id);

But the samples in LinqPad explains this better.

For Babel version 7, if your are using @babel/preset-env, to include polyfill all you have to do is add a flag 'useBuiltIns' with the value of 'usage' in your babel configuration. There is no need to require or import polyfill at the entry point of your App.

With this flag specified, babel@7 will optimize and only include the polyfills you needs.

To use this flag, after installation:

npm install --save-dev  @babel/core @babel/cli @babel/preset-env
npm install --save @babel/polyfill

Simply add the flag:

useBuiltIns: "usage" 

to your babel configuration file called "babel.config.js" (also new to Babel@7), under the "@babel/env" section:

// file: babel.config.js

module.exports = () => {
   const presets = [
      [
         "@babel/env", 
         { 
             targets: { /* your targeted browser */ },
             useBuiltIns: "usage"  // <-----------------*** add this
         }
      ]
   ];

   return { presets };
};

Reference:

• usage#polyfill
• babel-polyfill#usage-in-node-browserify-webpack
• babel-preset-env#usebuiltins

Update Aug 2019:

With the release of Babel 7.4.0 (March 19, 2019) @babel/polyfill is deprecated. Instead of installing @babe/polyfill, you will install core-js:

npm install --save core-js@3

A new entry corejs is added to your babel.config.js

// file: babel.config.js

module.exports = () => {
   const presets = [
      [
         "@babel/env", 
         { 
             targets: { /* your targeted browser */ },
             useBuiltIns: "usage",
             corejs: 3  // <----- specify version of corejs used
         }
      ]
   ];

   return { presets };
};

see example: https://github.com/ApolloTang/stackoverflow-eg--babel-v7.4.0-polyfill-w-core-v3

Reference:

• 7.4.0 Released: core-js 3, static private methods and partial application
• core-js@3, babel and a look into the future

self.labelText = 'change the value'

The above sentence makes labelText change the value, but not change depositLabel's text.

To change depositLabel's text, use one of following setences:

self.depositLabel['text'] = 'change the value'

OR

self.depositLabel.config(text='change the value')

Perhaps it is indirect to gdb (because it's an IDE), but my recommendations would be KDevelop. Being quite spoiled with Visual Studio's debugger (professionally at work for many years), I've so far felt the most comfortable debugging in KDevelop (as hobby at home, because I could not afford Visual Studio for personal use - until Express Edition came out). It does "look something similar to" Visual Studio compared to other IDE's I've experimented with (including Eclipse CDT) when it comes to debugging step-through, step-in, etc (placing break points is a bit awkward because I don't like to use mouse too much when coding, but it's not difficult).

Here is another variation for a file upload that has a nicer looking bootstrap button than the default file upload browse button. This is the html:

<div class="form-group">
        @Html.LabelFor(model => model.FileName, htmlAttributes: new { @class = "col-md-2  control-label" })
        <div class="col-md-1 btn btn-sn btn-primary" id="browseButton" onclick="$(this).parent().find('input[type=file]').click();">browse</div>
        <div class="col-md-7">
            <input id="fileSpace" name="uploaded_file"  type="file" style="display: none;">   @*style="display: none;"*@
            @Html.EditorFor(model => model.FileName, new { htmlAttributes = new { @class = "form-control", @id = "modelField"} })
            @Html.ValidationMessageFor(model => model.FileName, "", new { @class = "text-danger" })
        </div>
    </div>

Here is the script:

        $('#fileSpace').on("change", function () {
        $("#modelField").val($('input[name="uploaded_file"]').val());

Use

following methods to switch to modelframe

driver.switchTo().frame("ModelFrameTitle");

or

driver.switchTo().activeElement()

Hope this will work

For me the issue appeared because my string file could not be parsed. I wanted to have a value like '%s - %s'. However this appeared to be triggering a problem, it seems string will try to parse this value in a special way. Because two string values were provided in a single value an error was written in the console, but I had so many errors triggered from that, that the initial error was hidden, because of small console buffer. Adding formatted="false" attribute to this string value of mine fixed the problem in the string file (which btw was not reported as compilation error in the file itself) and I was able to build once more.

GCC ELF Linux implementation

Other answers have covered the language usage side of view, so now let's have a look at how it is implemented in this implementation.

main.c

#include <stdio.h>

int not_extern_int = 1;
extern int extern_int;

void main() {
    printf("%d\n", not_extern_int);
    printf("%d\n", extern_int);
}

Compile and decompile:

gcc -c main.c
readelf -s main.o

Output contains:

Num:    Value          Size Type    Bind   Vis      Ndx Name
 9: 0000000000000000     4 OBJECT  GLOBAL DEFAULT    3 not_extern_int
12: 0000000000000000     0 NOTYPE  GLOBAL DEFAULT  UND extern_int

The System V ABI Update ELF spec "Symbol Table" chapter explains:

SHN_UNDEF This section table index means the symbol is undefined. When the link editor combines this object file with another that defines the indicated symbol, this file's references to the symbol will be linked to the actual definition.

which is basically the behavior the C standard gives to extern variables.

From now on, it is the job of the linker to make the final program, but the extern information has already been extracted from the source code into the object file.

Tested on GCC 4.8.

C++17 inline variables

In C++17, you might want to use inline variables instead of extern ones, as they are simple to use (can be defined just once on header) and more powerful (support constexpr). See: What does 'const static' mean in C and C++?

It's not possible to clear user history without plugins. And also it's not an issue at developer's perspective, it's the burden of the user to clear his history.

For information refer to How to clear browsers (IE, Firefox, Opera, Chrome) history using JavaScript or Java except from browser itself?

For me just SET FOREIGN_KEY_CHECKS=0; wasn't enough. I was still having a com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException.

I had to add ALTER TABLE myTable DISABLE KEYS;.

So:

SET FOREIGN_KEY_CHECKS=0;
ALTER TABLE myTable DISABLE KEYS;
DELETE FROM myTable;
ALTER TABLE myTable ENABLE KEYS;
SET FOREIGN_KEY_CHECKS=1;

Consider the following example to solve your problem:

#!/usr/bin/python
# -*- coding: latin-1 -*-

import os, sys, time, signal

def termination_handler (signum,frame):
    global running
    global pidfile
    print 'You have requested to terminate the application...'
    sys.stdout.flush()
    running = 0
    os.unlink(pidfile)

running = 1
signal.signal(signal.SIGINT,termination_handler)

pid = str(os.getpid())
pidfile = '/tmp/'+os.path.basename(__file__).split('.')[0]+'.pid'

if os.path.isfile(pidfile):
    print "%s already exists, exiting" % pidfile
    sys.exit()
else:
    file(pidfile, 'w').write(pid)

# Do some actual work here

while running:
  time.sleep(10)

I suggest this script because it can be executed one time only.

HTML5 Validation Work Only When button type will be submit

change --

<button type="button"  onclick="submitform()" id="save">Save</button>

To --

<button type="submit"  onclick="submitform()" id="save">Save</button>

You will have to pass a context object to it. Either this if you have a reference to the class in an activty, or getApplicationContext()

public class MyActivity extends Activity {
    public void onCreate(Bundle savedInstanceState) {
        RegularClass regularClass = new RegularClass(this);
    }
}

Then you can use it in the constructor (or set it to an instance variable):

public class RegularClass(){
    private Context context;

    public RegularClass(Context current){
        this.context = current;
    }

    public findResource(){
        context.getResources().getXml(R.xml.samplexml);
    }
}

Where the constructor accepts Context as a parameter

You should try

if (row.Table.Columns.Contains("US_OTHERFRIEND"))

I don't believe that row has a columns property itself.

If you already have pods which are recreated, think to delete all deployments first

kubectl delete -n *NAMESPACE deployment *DEPLOYMENT

Just replace the NAMSPACE and the DEPLOYMENT to corresponding ones, you can get all deployments information by the following command

kubectl get deployments --all-namespaces

Swift short expression:

var abc = "string"
abc != nil ? doWork(abc) : ()

or:

abc == nil ? () : abc = "string"

or both:

abc != nil ? doWork(abc) : abc = "string"

I quite like adding the code in the GridView RowDataBound event to inform the user exactly which item they are trying to delete. Slightly better user experience?

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{

    if (e.Row.RowType == DataControlRowType.DataRow)
    {
        LinkButton lnkBtnDelete = e.Row.FindControl("lnkBtnDelete") as LinkButton;

        // Use whatever control you want to show in the confirmation message
        Label lblContactName = e.Row.FindControl("lblContactName") as Label;

        lnkBtnDelete.Attributes.Add("onclick", string.Format("return confirm('Are you sure you want to delete the contact {0}?');", lblContactName.Text));

    }

}

<table cellspacing="0" cellpadding="0">

And in css:

table {border: none;}

EDIT: As iGEL noted, this solution is officially deprecated (still works though), so if you are starting from scratch, you should go with the jnpcl's border-collapse solution.

I actually quite dislike this change so far (don't work with tables that often). It makes some tasks bit more complicated. E.g. when you want to include two different borders in same place (visually), while one being TOP for one row, and second being BOTTOM for other row. They will collapse (= only one of them will be shown). Then you have to study how is border's "priority" calculated and what border styles are "stronger" (double vs. solid etc.).

I did like this:

<table cellspacing="0" cellpadding="0">
  <tr>
    <td class="first">first row</td>
  </tr>
  <tr>
    <td class="second">second row</td>
  </tr>
</table>

----------

.first {border-bottom:1px solid #EEE;}
.second {border-top:1px solid #CCC;}

Now, with border collapse, this won't work as there is always one border removed. I have to do it in some other way (there are more solutions ofc). One possibility is using CSS3 with box-shadow:

<table class="tab">
  <tr>
    <td class="first">first row</td>
  </tr>
  <tr>
    <td class="second">second row</td>
  </tr>
</table>???

<style>
.tab {border-collapse:collapse;}
.tab .first {border-bottom:1px solid #EEE;}
.tab .second {border-top:1px solid #CCC;box-shadow: inset 0 1px 0 #CCC;}?
</style>

You could also use something like "groove|ridge|inset|outset" border style with just a single border. But for me, this is not optimal, because I can't control both colors.

Maybe there is some simple and nice solution for collapsing borders, but I haven't seen it yet and I honestly haven't spent much time on it. Maybe someone here will be able to show me/us ;)

Just to update, following iOS 13, we now have SceneDelegates. So one might choose to put the desired tab selection in SceneDelegate.swift as follows:

class SceneDelegate: UIResponder, UIWindowSceneDelegate {

    var window: UIWindow?

    func scene(_ scene: UIScene, 
               willConnectTo session: UISceneSession, 
               options connectionOptions: UIScene.ConnectionOptions) {

        guard let _ = (scene as? UIWindowScene) else { return }

        if let tabBarController = self.window!.rootViewController as? UITabBarController {
            tabBarController.selectedIndex = 1
        }

    }

I am also faced same issue in Dialog.. because I am using setOnKeyListener.. But I set default return true. After change like below code it working fine for me..

    mDialog.setOnKeyListener(new Dialog.OnKeyListener() {

        @Override
        public boolean onKey(DialogInterface arg0, int keyCode,
                             KeyEvent event) {
            if (keyCode == KeyEvent.KEYCODE_BACK) {
                mDialog.dismiss();
                return true;
            }
            return false;//this line is important 

        }
    });

If you want to use patch you need to remove the a/ b/ prefixes that git uses by default. You can do this with the --no-prefix option (you can also do this with patch's -p option):

git diff --no-prefix [<other git-diff arguments>]

Usually though, it is easier to use straight git diff and then use the output to feed to git apply.

Most of the time I try to avoid using textual patches. Usually one or more of temporary commits combined with rebase, git stash and bundles are easier to manage.

For your use case I think that stash is most appropriate.

# save uncommitted changes
git stash

# do a merge or some other operation
git merge some-branch

# re-apply changes, removing stash if successful
# (you may be asked to resolve conflicts).
git stash pop

print "var"
print "something_else"

Or did you mean something_else?

This thread really helped me developing my own project. Here are some further illustrations showing the result of a simple 2-layer feed forward neural network with and without bias units on a two-variable regression problem. Weights are initialized randomly and standard ReLU activation is used. As the answers before me concluded, without the bias the ReLU-network is not able to deviate from zero at (0,0).

== Equality operator evaluates the arguments after converting them to numbers. So string zero "0" is converted to Number data type and boolean false is converted to Number 0. So

"0" == false // true

Same applies to `

false == "0" //true

=== Strict equality check evaluates the arguments with the original data type

"0" === false // false, because "0" is a string and false is boolean

Same applies to

false === "0" // false

In

if("0") console.log("ha");

The String "0" is not comparing with any arguments, and string is a true value until or unless it is compared with any arguments. It is exactly like

if(true) console.log("ha");

But

if (0) console.log("ha"); // empty console line, because 0 is false

`

The != operator most certainly does exist! It is an alias for the standard <> operator.

Perhaps your fields are not actually empty strings, but instead NULL?

To compare to NULL you can use IS NULL or IS NOT NULL or the null safe equals operator <=>.

result = []
# Make a set of your "types":
input_set = set([tpl[1] for tpl in input])
>>> set(['ETH', 'KAT', 'NOT'])
# Iterate over the input_set
for type_ in input_set:
    # a dict to gather things:
    D = {}
    # filter all tuples from your input with the same type as type_
    tuples = filter(lambda tpl: tpl[1] == type_, input)
    # write them in the D:
    D["type"] = type_
    D["itmes"] = [tpl[0] for tpl in tuples]
    # append D to results:
    result.append(D)

result
>>> [{'itmes': ['9085267', '11788544'], 'type': 'NOT'}, {'itmes': ['5238761', '5349618', '962142', '7795297', '7341464', '5594916', '1550003'], 'type': 'ETH'}, {'itmes': ['11013331', '9843236'], 'type': 'KAT'}]

You can just set the onClick of an ImageView and also set it to be clickable, Or set the drawableBottom property of a regular button.

    ImageView iv = (ImageView)findViewById(R.id.ImageView01);
   iv.setOnClickListener(new OnClickListener() {
   public void onClick(View v) {
    // TODO Auto-generated method stub

   }
   });

When dealing with day-of-week calculations, it's important to take account of the current DATEFIRST settings. This query will always correctly exclude weekend days, using @@DATEFIRST to account for any possible setting for the first day of the week.

SELECT *
FROM your_table
WHERE ((DATEPART(dw, date_created) + @@DATEFIRST) % 7) NOT IN (0, 1)

Is it legal? Yes, changing your location on Android is legal. Likewise, you can change VPN settings in Microsoft Edge on your PC, and all this is within the law. VPN allows you to change your IP address, safeguarding your privacy and protecting your actual location from being exposed. However, VPN laws may vary from country to country. There are restrictions in some regions.

Brief summary: Yes, you can change your region on Android and a VPN is a necessary assistant for this. It's simple, safe and legal. Today, VPN is the best way to change the region and unblock sites with regional restrictions.

You should look at the shelve and pickle modules. If you need to store a lot of data it may be better to use a database

For Query parameters like domain.com/test?format=json&type=mini format, then you can easily receive it via - req.query.

app.get('/test', function(req, res){
  var format = req.query.format,
      type = req.query.type;
});

Here's another idea. Use SSH to do the port forwarding; this has the benefit of also working in OS X (and probably Windows) when your Docker host is a VM.

docker exec -it <containterid> ssh -R5432:localhost:5432 <user>@<hostip>

I had this same problem - some users could pull from git and everything ran fine. Some would pull and get a very similar exception:

Could not load file or assembly '..., Version=..., Culture=neutral, PublicKeyToken=...' or one of its dependencies. The system cannot find the file specified.

In my particular case it was AjaxMin, so the actual error looked like this but the details don't matter:

Could not load file or assembly 'AjaxMin, Version=4.95.4924.12383, Culture=neutral, PublicKeyToken=21ef50ce11b5d80f' or one of its dependencies. The system cannot find the file specified.

It turned out to be a result of the following actions on a Solution:

1. NuGet Package Restore was turned on for the Solution.

2. A Project was added, and a Nuget package was installed into it (AjaxMin in this case).

3. The Project was moved to different folder in the Solution.

4. The Nuget package was updated to a newer version.

And slowly but surely this bug started showing up for some users.

The reason was the Solution-level packages/respositories.config kept the old Project reference, and now had a new, second entry for the moved Project. In other words it had this before the reorg:

  <repository path="..\Old\packages.config" />

And this after the reorg:

  <repository path="..\Old\packages.config" />
  <repository path="..\New\packages.config" />

So the first line now refers to a Project that, while on disk, is no longer part of my Solution.

With Nuget Package Restore on, both packages.config files were being read, which each pointed to their own list of Nuget packages and package versions. Until a Nuget package was updated to a newer version however, there weren't any conflicts.

Once a Nuget package was updated, however, only active Projects had their repositories listings updated. NuGet Package Restore chose to download just one version of the library - the first one it encountered in repositories.config, which was the older one. The compiler and IDE proceeded as though it chose the newer one. The result was a run-time exception saying the DLL was missing.

The answer obviously is to delete any lines from this file that referenced Projects that aren't in your Solution.

There is obviously another process listening on the port. You might find out that process by using the following command:

$ lsof -i :8000

or change your tornado app's port. tornado's error info not Explicitly on this.

I'd suggest getting into one of the JS libraries out there. They ensure compatibility so you can get up and running really fast. jQuery and DOJO are both really great. To do what you're trying to do in jQuery, for example, it would go something like this:

<script type="text/javascript" language="JavaScript">
$.ajax({
    url: "x.html", 
    context: document.body,
    success: function(response) {
        $("#yourDiv").html(response);
    }
});
</script>

Codes starting with 4 (4xx) are meant for client errors. Maybe 400 (Bad Request) could be suitable to this case? Definition in http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html says:

"The request could not be understood by the server due to malformed syntax. The client SHOULD NOT repeat the request without modifications. "

In computer programming, particularly in the C, C++, and C# programming languages, a variable or object declared with the volatile keyword usually has special properties related to optimization and/or threading. Generally speaking, the volatile keyword is intended to prevent the (pseudo)compiler from applying any optimizations on the code that assume values of variables cannot change "on their own." (c) Wikipedia

http://en.wikipedia.org/wiki/Volatile_variable

The best solution is: from positive to negative or from negative to positive

For negative:

SELECT ABS(a) * -1 AS AbsoluteA, ABS(b) * -1 AS AbsoluteB
FROM YourTable

For positive:

SELECT ABS(a) AS AbsoluteA, ABS(b)  AS AbsoluteB
FROM YourTable

It's just to clear the adapter, add all itens and notify change like below:

  public void show(List<Object> objLIst) {
    adapter.clear();
    adapter.addAll(objLIst);
    adapter.notifyDataSetChanged(); }

JavaScript's object literal syntax, which is typically used to instantiate objects (seriously, no one uses new Object or new Array), is as follows:

var obj = {
    'key': 'value',
    'another key': 'another value',
     anUnquotedKey: 'more value!'
};

For arrays it's:

var arr = [
    'value',
    'another value',
    'even more values'
];

If you need objects within objects, that's fine too:

var obj = {
    'subObject': {
        'key': 'value'
    },
    'another object': {
         'some key': 'some value',
         'another key': 'another value',
         'an array': [ 'this', 'is', 'ok', 'as', 'well' ]
    }
}

This convenient method of being able to instantiate static data is what led to the JSON data format.

JSON is a little more picky, keys must be enclosed in double-quotes, as well as string values:

{"foo":"bar", "keyWithIntegerValue":123}

This Error hit me after installing RVM correctly. Solution: re-boot Terminal.

Reference RailsCast's RVM Install tutorial.

Update v8

Below answers work but exposes your application to XSS security risks!. Instead of using this.sanitizer.bypassSecurityTrustResourceUrl(url), it is recommended to use this.sanitizer.sanitize(SecurityContext.URL, url)

Update

For RC.6^ version use DomSanitizer

Plunker

And a good option is using pure pipe for that:

import { Pipe, PipeTransform } from '@angular/core';
import { DomSanitizer} from '@angular/platform-browser';

@Pipe({ name: 'safe' })
export class SafePipe implements PipeTransform {
  constructor(private sanitizer: DomSanitizer) {}
  transform(url) {
    return this.sanitizer.bypassSecurityTrustResourceUrl(url);
  }
} 

remember to add your new SafePipe to the declarations array of the AppModule. (as seen on documentation)

@NgModule({
   declarations : [
     ...
     SafePipe
   ],
})

html

<iframe width="100%" height="300" [src]="url | safe"></iframe>

Plunker

If you use embed tag this might be interesting for you:

• how with angular2 rc.6 disable sanitize on embed html tag which display pdf

Old version RC.5

You can leverage DomSanitizationService like this:

export class YourComponent {
  url: SafeResourceUrl;
  constructor(sanitizer: DomSanitizationService) {
    this.url = sanitizer.bypassSecurityTrustResourceUrl('your url');
  }
}

And then bind to url in your template:

<iframe width="100%" height="300" [src]="url"></iframe>

Don't forget to add the following imports:

import { SafeResourceUrl, DomSanitizationService } from '@angular/platform-browser';

Plunker sample

You have not specified the version, I'm assuming you are using Powershell v3.

Try this:

$path = "C:\Users\abc\Desktop\File\abc.txt"
(Get-Content $path -Raw).Replace("`r`n","`n") | Set-Content $path -Force

^{Editor's note: As mike z points out in the comments, Set-Content appends a trailing CRLF, which is undesired. Verify with: 'hi' > t.txt; (Get-Content -Raw t.txt).Replace("`r`n","`n") | Set-Content t.txt; (Get-Content -Raw t.txt).EndsWith("`r`n"), which yields $True.}

Note this loads the whole file in memory, so you might want a different solution if you want to process huge files.

UPDATE

This might work for v2 (sorry nowhere to test):

$in = "C:\Users\abc\Desktop\File\abc.txt"
$out = "C:\Users\abc\Desktop\File\abc-out.txt"
(Get-Content $in) -join "`n" > $out

^{Editor's note: Note that this solution (now) writes to a different file and is therefore not equivalent to the (still flawed) v3 solution. (A different file is targeted to avoid the pitfall Ansgar Wiechers points out in the comments: using > truncates the target file before execution begins). More importantly, though: this solution too appends a trailing CRLF, which may be undesired. Verify with 'hi' > t.txt; (Get-Content t.txt) -join "`n" > t.NEW.txt; [io.file]::ReadAllText((Convert-Path t.NEW.txt)).endswith("`r`n"), which yields $True.}

Same reservation about being loaded to memory though.

Didn't find any solution that would work with UTF-8 characters. String.fromCharCode is good until you meet 2 byte character.

For example Hüser will come as [0x44,0x61,0x6e,0x69,0x65,0x6c,0x61,0x20,0x48,0xc3,0xbc,0x73,0x65,0x72]

But if you go through it with String.fromCharCode you will have Hüser as each byte will be converted to a char separately.

Solution

Currently I'm using following solution:

function pad(n) { return (n.length < 2 ? '0' + n : n); }
function decodeUtf8(data) {
  return decodeURIComponent(
    data.map(byte => ('%' + pad(byte.toString(16)))).join('')
  );
}

Speaking about the global context, both, the var statement and a FunctionDeclaration at the end will create a non-deleteable property on the global object, but the value of both can be overwritten.

The subtle difference between the two ways is that when the Variable Instantiation process runs (before the actual code execution) all identifiers declared with var will be initialized with undefined, and the ones used by the FunctionDeclaration's will be available since that moment, for example:

 alert(typeof foo); // 'function', it's already available
 alert(typeof bar); // 'undefined'
 function foo () {}
 var bar = function () {};
 alert(typeof bar); // 'function'

The assignment of the bar FunctionExpression takes place until runtime.

A global property created by a FunctionDeclaration can be overwritten without any problems just like a variable value, e.g.:

 function test () {}
 test = null;

Another obvious difference between your two examples is that the first function doesn't have a name, but the second has it, which can be really useful when debugging (i.e. inspecting a call stack).

About your edited first example (foo = function() { alert('hello!'); };), it is an undeclared assignment, I would highly encourage you to always use the var keyword.

With an assignment, without the var statement, if the referenced identifier is not found in the scope chain, it will become a deleteable property of the global object.

Also, undeclared assignments throw a ReferenceError on ECMAScript 5 under Strict Mode.

A must read:

• Named function expressions demystified

Note: This answer has been merged from another question, in which the major doubt and misconception from the OP was that identifiers declared with a FunctionDeclaration, couldn't be overwritten which is not the case.

DateTime.Now.ToShortDateString() will display only the date part

Keep in mind that if you want to use the chrome inspect in Windows, besides enabling usb debugging on you mobile, you should also install the usb driver for Windows.

You can find the drivers you need from the list here:

http://androidxda.com/download-samsung-usb-drivers

Furthermore, you should use a newer version of Chrome mobile than the one in your Desktop.

This ought to work:

^\d+\s?(\([^\)]+\)\s?)?Z$

Haven't tested it though, but let me give you the breakdown, so if there are any bugs left they should be pretty straightforward to find:

First the beginning:

^ = beginning of string
\d+ = one or more decimal characters
\s? = one optional whitespace

Then this part:

(\([^\)]+\)\s?)?

Is actually:

(.............)?

Which makes the following contents optional, only if it exists fully

\([^\)]+\)\s?

\( = an opening bracket
[^\)]+ = a series of at least one character that is not a closing bracket
\) = followed by a closing bracket
\s? = followed by one optional whitespace

And the end is made up of

Z$

Where

Z = your constant string
$ = the end of the string

Basically, work is done only on non-leaf nodes while building a heap...and the work done is the amount of swapping down to satisfy heap condition...in other words (in worst case) the amount is proportional to the height of the node...all in all the complexity of the problem is proportional to the sum of heights of all the non-leaf nodes..which is (2^h+1 - 1)-h-1=n-h-1= O(n)

What about this :

import re
p = re.compile(r'_')
p.split(filename, 1) #where filename is CHEESE_CHEESE_TYPE.***

changing

classpath 'com.google.gms:google-services:4.1.0'

to

classpath 'com.google.gms:google-services:4.0.1'

Works for me

Following from Daniel Vassallo's answer, here is a version that deals with the closure issue in a simpler way.

Since since all markers will have an individual InfoWindow and since JavaScript doesn't care if you add extra properties to an object, all you need to do is add an InfoWindow to the Marker's properties and then call the .open() on the InfoWindow from itself!

Edit: With enough data, the pageload could take a lot of time, so rather than construction the InfoWindow with the marker, the construction should happen only when needed. Note that any data used to construct the InfoWindow must be appended to the Marker as a property (data). Also note that after the first click event, infoWindow will persist as a property of it's marker so the browser doesn't need to constantly reconstruct.

var locations = [
  ['Bondi Beach', -33.890542, 151.274856, 4],
  ['Coogee Beach', -33.923036, 151.259052, 5],
  ['Cronulla Beach', -34.028249, 151.157507, 3],
  ['Manly Beach', -33.80010128657071, 151.28747820854187, 2],
  ['Maroubra Beach', -33.950198, 151.259302, 1]
];

var map = new google.maps.Map(document.getElementById('map'), {
  center: new google.maps.LatLng(-33.92, 151.25)
});

for (i = 0; i < locations.length; i++) {  
  marker = new google.maps.Marker({
    position: new google.maps.LatLng(locations[i][1], locations[i][2]),
    map: map,
    data: {
      name: locations[i][0]
    }
  });
  marker.addListener('click', function() {
    if(!this.infoWindow) {
      this.infoWindow = new google.maps.InfoWindow({
        content: this.data.name;
      });
    }
    this.infoWindow.open(map,this);
  })
}

I experienced a similar issue in Visual Studio, which was being caused by an incorrect url() path to the font in question.

I stopped getting this error after changing (for instance):

@@font-face{
    font-family: "Example Font";
    src: url("/Fonts/ExampleFont.eot?#iefix");

to this:

@@font-face{
    font-family: "Example Font";
    src: url("../fonts/ExampleFont.eot?#iefix");

There some kind of old school 'Marxismic' way to the cast int -> bool without C4800 warnings of Microsoft's cl compiler - is to use negation of negation.

int  i  = 0;
bool bi = !!i;

int  j  = 1;
bool bj = !!j;

Which one of those is indexable?

This one is definitely btree-indexable:

WHERE title >= '0' AND title < ':'

Note that ':' comes after '9' in ASCII.

You just need to use single quotes:

$ echo "$TEST"
test
$ echo '$TEST'
$TEST

Inside single quotes special characters are not special any more, they are just normal characters.

You may want to add this to your bootstrap project to check active breakpoint visually

    <script type='text/javascript'>

        $(document).ready(function () {

            var mode;

            $('<div class="mode-informer label-info" style="z-index:1000;position: fixed;bottom:10px;left:10px">%mode%</div>').appendTo('body');


            var checkMode = function () {

                if ($(window).width() < 768) {
                    return 'xs';
                }
                else if ($(window).width() >= 768 && $(window).width() < 992) {
                    return 'sm';
                }
                else if ($(window).width() >= 992 && $(window).width() < 1200) {
                    return 'md';
                }
                else {
                    return 'lg';
                }
            };

            var compareMode = function () {
                if (mode !== checkMode()) {
                    mode = checkMode();

                    $('.mode-informer').text(mode).animate({
                        bottom: '100'
                    }, 100, function () {
                        $('.mode-informer').animate({bottom: 10}, 100)
                    });
                }
            };

            $(window).on('resize', function () {
                compareMode()
            });

            compareMode();

        });

    </script>

Here is the BOOTPLY

import android.app.Application;

public class Globals extends Application
{
    private static Globals instance = null;
    private static int RecentCompaignID;
    private static int EmailClick;
    private static String LoginPassword;
    static String loginMemberID;
    private static String CompaignName = "";
    private static int listget=0;
    //MailingDetails
    private static String FromEmailadd="";
    private static String FromName="";
    private static String ReplyEmailAdd="";
    private static String CompaignSubject="";
    private static int TempId=0;
    private static int ListIds=0;

    private static String HTMLContent="";
    @Override
    public void onCreate() 
    {
        super.onCreate();
        instance = this;
    }

    public static Globals getInstance()
    {
        return instance;
    }

    public void setRecentCompaignID(int objRecentCompaignID)
    {
        RecentCompaignID = objRecentCompaignID;
    }

    public int getRecentCompaignID() 
    {
        return RecentCompaignID;
    }

    public void setLoginMemberID(String objloginMemberID) 
    {
        loginMemberID = objloginMemberID;
    }

    public String getLoginMemberID() 
    {
        return loginMemberID;
    }

    public void setLoginMemberPassword(String objLoginPassword)
    {
        LoginPassword = objLoginPassword;
    }

    public String getLoginMemberPassword()
    {
        return LoginPassword;
    }

    public void setEmailclick(int id)
    {
        EmailClick = id;
    }

    public int getEmailClick() 
    {
        return EmailClick;
    }
    public void setCompaignName(String objCompaignName)
    {
        CompaignName=objCompaignName;
    }
    public String getCompaignName()
    {
        return CompaignName;
    }
    public void setlistgetvalue(int objlistget)
    {
        listget=objlistget;
    }
    public int getlistvalue()
    {
        return listget;
    }
    public void setCompaignSubject(String objCompaignSubject)
    {
         CompaignSubject=objCompaignSubject;
    }
    public String getCompaignSubject()
    {
        return CompaignSubject;
    }
    public void setHTMLContent(String objHTMLContent)
    {
        HTMLContent=objHTMLContent;
    }
    public String getHTMLContent()
    {
        return HTMLContent;
    }
    public void setListIds(int objListIds)
    {
        ListIds=objListIds;
    }
    public int getListIds()
    {
        return ListIds;
    }
    public void setReplyEmailAdd(String objReplyEmailAdd)
    {
        ReplyEmailAdd=objReplyEmailAdd;
    }
    public String getReplyEmailAdd()
    {
        return ReplyEmailAdd;
    }
    public void setFromName(String objFromName)
    {
        FromName=objFromName;
    }
    public String getFromName()
    {
        return FromName;
    }
    public void setFromEmailadd(String objFromEmailadd)
    {
        FromEmailadd=objFromEmailadd;
    }
    public String getFromEmailadd()
    {
        return FromEmailadd;
    }
}

First of all: AddressOf just gets the delegate to a function - you cannot specify anything else (i.e. capture any variables).

Now, you can start up a thread in two possible ways.

• Pass an Action in the constructor and just Start() the thread.
• Pass a ParameterizedThreadStart and forward one extra object argument to the method pointed to when calling .Start(parameter)

I consider the latter option an anachronism from pre-generic, pre-lambda times - which have ended at the latest with VB10.

You could use that crude method and create a list or structure which you pass to your threading code as this single object parameter, but since we now have closures, you can just create the thread on an anonymous Sub that knows all necessary variables by itself (which is work performed for you by the compiler).

Soo ...

Dim Evaluator = New Thread(Sub() Me.TestThread(goodList, 1))

It's really just that ;)

Actually, it is possible to create a branch in your fork from any commit of the upstream in the browser:

• Open https://github.com/<repo>/commits/<hash>, where repo is your fork, and hash is full hash of commit which you can find in the upstream web interface. For example, I can open https://github.com/max630/linux/commits/0aa0313f9d576affd7747cc3f179feb097d28990, which points to linux master as time of writing.
• Click on the "Tree: ...." button.
• Type name of the new branch and press Enter

You can then fetch that branch to your local clone, and you won't have to push all that data back to GitHub when you push edits on top of that commit. Or use the web interface to change something in that branch.

How it works (it is a guess, I don't know how exactly GitHub does it): forks share object storage and use namespaces to separate users' references. So you can access all commits through your fork, even if they did not exist by the time of forking.

Try this:

HTML

<div><span>Text</span></div>

CSS

div {
    height: 100px;
}

span {
    height: 100px;
    display: table-cell;
    vertical-align: middle;
}

C++ mangles function names to create an object-oriented language from a procedural language

Most programming languages aren't built on-top of existing programming languages. C++ is built on-top of C, and furthermore it's an object-oriented programming language built from a procedural programming language, and for that reason there are C++ expressions like extern "C" which provide backwards compatibility with C.

Let's look at the following example:

#include <stdio.h>

// Two functions are defined with the same name
// but have different parameters

void printMe(int a) {
  printf("int: %i\n", a);
}

void printMe(char a) {
  printf("char: %c\n", a);
}

int main() {
  printMe("a");
  printMe(1);
  return 0;
}

A C compiler will not compile the above example, because the same function printMe is defined twice (even though they have different parameters int a vs char a).

gcc -o printMe printMe.c && ./printMe;
1 error. PrintMe is defined more than once.

A C++ compiler will compile the above example. It does not care that printMe is defined twice.

g++ -o printMe printMe.c && ./printMe;

This is because a C++ compiler implicitly renames (mangles) functions based on their parameters. In C, this feature was not supported. However, when C++ was built over C, the language was designed to be object-oriented, and needed to support the ability to create different classes with methods (functions) of the same name, and to override methods (method overriding) based on different parameters.

extern "C" says "don't mangle C function names"

However, imagine we have a legacy C file named "parent.c" that includes function names from other legacy C files, "parent.h", "child.h", etc. If the legacy "parent.c" file is run through a C++ compiler, then the function names will be mangled, and they will no longer match the function names specified in "parent.h", "child.h", etc - so the function names in those external files would also need to be mangled. Mangling function names across a complex C program, those with lots of dependencies, can lead to broken code; so it might be convenient to provide a keyword which can tell the C++ compiler not to mangle a function name.

The extern "C" keyword tells a C++ compiler not to mangle (rename) C function names.

For example:

extern "C" void printMe(int a);

To remove you can use this directly:

getSupportFragmentManager().beginTransaction().remove(fragment).
                            commitAllowingStateLoss();

fragment is the fragment you want to remove.

You can use the stacking index of the div to make it appear on top of anything else. Make it a larger value that other elements and it well be on top of others.

use z-index property. See Specifying the stack level: the 'z-index' property and

Elaborate description of Stacking Contexts

Something like

#divOnTop { z-index: 1000; }

<div id="divOnTop">I am on top</div>

What you have to look out for will be IE6. In IE 6 some elements like <select> will be placed on top of an element with z-index value higher than the <select>. You can have a workaround for this by placing an <iframe> behind the div.

See this Internet Explorer z-index bug?

As mentioned above, ConstraintLayout offers maximum height for its children via:

app:layout_constraintHeight_max="300dp"
app:layout_constrainedHeight="true"

Besides, if maximum height for one ConstraintLayout's child is uncertain until App running, there still has a way to make this child automatically adapt a mutable height no matter where it was placed in the vertical chain.

For example, we need to show a bottom dialog with a mutable header TextView, a mutable ScrollView and a mutable footer TextView. The dialog's max height is 320dp,when total height not reach 320dp ScrollView act as wrap_content, when total height exceed ScrollView act as "maxHeight=320dp - header height - footer height".

We can achieve this just through xml layout file:

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="320dp">

    <TextView
        android:id="@+id/tv_header"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/black_10"
        android:gravity="center"
        android:padding="10dp"
        app:layout_constraintBottom_toTopOf="@id/scroll_view"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="1"
        app:layout_constraintVertical_chainStyle="packed"
        tools:text="header" />

    <ScrollView
        android:id="@+id/scroll_view"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/black_30"
        app:layout_constrainedHeight="true"
        app:layout_constraintBottom_toTopOf="@id/tv_footer"
        app:layout_constraintHeight_max="300dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/tv_header">

        <LinearLayout
            android:id="@+id/ll_container"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">

            <TextView
                android:id="@+id/tv_sub1"
                android:layout_width="match_parent"
                android:layout_height="160dp"
                android:gravity="center"
                android:textColor="@color/orange_light"
                tools:text="sub1" />

            <TextView
                android:id="@+id/tv_sub2"
                android:layout_width="match_parent"
                android:layout_height="160dp"
                android:gravity="center"
                android:textColor="@color/orange_light"
                tools:text="sub2" />

        </LinearLayout>
    </ScrollView>

    <TextView
        android:id="@+id/tv_footer"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/black_50"
        android:gravity="center"
        android:padding="10dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/scroll_view"
        tools:text="footer" />
</android.support.constraint.ConstraintLayout>

Most import code is short:

app:layout_constraintVertical_bias="1"
app:layout_constraintVertical_chainStyle="packed"

app:layout_constrainedHeight="true"

Horizontal maxWidth usage is quite the same.

I think you are editing something in the windows registry but that has no effect on the path.

Try this:

How to Add, Remove or Edit Environment variables in Windows 7

the variable of interest is the PATH

also you can type on the command line:

Set PATH=%PATH%;(your new path);

After years, I want to add another approach by using a view engine in Express.js

var fs = require('fs');

app.get('/test', function(req, res, next) {
    var html = fs.readFileSync('./html/test.html', 'utf8')
    res.render('test', { html: html })
    // or res.send(html)
})

Then, do that in your views/test if you choose res.render method at the above code (I'm writing in EJS format):

<%- locals.html %>

That's all.

In this way, you don't need to break your View Engine arrangements.