Do you mean the mysql text console? Then:

START TRANSACTION;
  ...
  your queries.
  ...
COMMIT;

Is what I recommend.

However if you want to avoid typing this each time you need to run this sort of query, add the following to the [mysqld] section of your my.cnf file.

init_connect='set autocommit=0'

This would set autocommit to be off for every client though.

Bear in mind that doing this is considered bad practice in general by web developers and usability experts. Jakob Nielson has this to say about removing control of the users browsing experience:

Avoid spawning multiple browser windows if at all possible — taking the "Back" button away from users can make their experience so painful that it usually far outweighs whatever benefit you're trying to provide. One common theory in favor of spawning the second window is that it keeps users from leaving your site, but ironically it may have just the opposite effect by preventing them from returning when they want to.

I believe this is the rationale for the target attribute being removed by the W3C from the XHTML 1.1 spec.

If you're dead set on taking this approach, Pim Jager's solution is good.

A nicer, more user friendly idea, would be to append a graphic to all of your external links, indicating to the user that following the link will take them externally.

You could do this with jquery:

$('a[href^="http://"]').each(function() {
    $('<img width="10px" height="10px" src="/images/skin/external.png" alt="External Link" />').appendTo(this)

});

You need to have CSS overflow, width (or max-width), display, and white-space.

http://jsfiddle.net/HerrSerker/kaJ3L/1/

span {
    border: solid 2px blue;
    white-space: nowrap;
    text-overflow: ellipsis;
    width: 100px;
    display: block;
    overflow: hidden
}

body {
    overflow: hidden;
}

span {
    border: solid 2px blue;
    white-space: nowrap;
    text-overflow: ellipsis;
    width: 100px;
    display: block;
    overflow: hidden
}

<span>Test test test test test test</span>

Addendum If you want an overview of techniques to do line clamping (Multiline Overflow Ellipses), look at this CSS-Tricks page: https://css-tricks.com/line-clampin/

Addendum2 (May 2019)
As this link claims, Firefox 68 will support -webkit-line-clamp (!)

You can do that for your entire script by using something like that at the beginning of your script :

#!/usr/bin/env bash

test x$1 = x$'\x00' && shift || { set -o pipefail ; ( exec 2>&1 ; $0 $'\x00' "$@" ) | tee mylogfile ; exit $? ; }

# do whaetever you want

This redirect both stderr and stdout outputs to the file called mylogfile and let everything goes to stdout at the same time.

It is used some stupid tricks :

• use exec without command to setup redirections,
• use tee to duplicates outputs,
• restart the script with the wanted redirections,
• use a special first parameter (a simple NUL character specified by the $'string' special bash notation) to specify that the script is restarted (no equivalent parameter may be used by your original work),
• try to preserve the original exit status when restarting the script using the pipefail option.

Ugly but useful for me in certain situations.

add [] in the name of the attributes in the input tag

 <form action="" name="frm" method="post">
<input type="checkbox" name="hobby[]" value="coding">  coding &nbsp
<input type="checkbox" name="hobby[]" value="database">  database &nbsp
<input type="checkbox" name="hobby[]" value="software engineer">  soft Engineering <br>
<input type="submit" name="submit" value="submit"> 
</form>

for PHP Code :

<?php
 if(isset($_POST['submit']){
   $hobby = $_POST['hobby'];

   foreach ($hobby as $hobys=>$value) {
             echo "Hobby : ".$value."<br />";
        }
}
?>

There is a lib called jnotify that wraps inotify on linux and has also support for windows. Never used it and I don't know how good it is, but it's worth a try I'd say.

Simply use the separator image as a background image on the li.

To get it to only appear in between list items, position the image to the left of the li, but not on the first one.

For example:

#nav li + li {
    background:url('seperator.gif') no-repeat top left;
    padding-left: 10px
}

This CSS adds the image to every list item that follows another list item - in other words all of them but the first.

NB. Be aware the adjacent selector (li + li) doesn't work in IE6, so you will have to just add the background image to the conventional li (with a conditional stylesheet) and perhaps apply a negative margin to one of the edges.

People are saying that a Dictionary is the same as a hash table.

This is not necessarily true. A hash table is one way to implement a dictionary. A typical one at that, and it may be the default one in .NET in the Dictionary class, but it's not by definition the only one.

You could equally well implement a dictionary using a linked list or a search tree, it just wouldn't be as efficient (for some metric of efficient).

If new does the job for you, then it will make your code modestly smaller as well. If you would otherwise call [[SomeClass alloc] init] in many different places in your code, you will create a Hot Spot in new's implementation - that is, in the objc runtime - that will reduce the number of your cache misses.

In my understanding, if you need to use a custom initializer use [[SomeClass alloc] initCustom].

If you don't, use [SomeClass new].

For those scripting tmux, there is a command called rename-window so e.g.

tmux rename-window -t <window> <newname>

Before answering when to use which one, a little background:

edit: I should mention that this comparison is really from the perspective of using them in a browser with JavaScript. It's not the way either data format has to be used, and there are plenty of good parsers which will change the details to make what I'm saying not quite valid.

JSON is both more compact and (in my view) more readable - in transmission it can be "faster" simply because less data is transferred.

In parsing, it depends on your parser. A parser turning the code (be it JSON or XML) into a data structure (like a map) may benefit from the strict nature of XML (XML Schemas disambiguate the data structure nicely) - however in JSON the type of an item (String/Number/Nested JSON Object) can be inferred syntactically, e.g:

myJSON = {"age" : 12,
          "name" : "Danielle"}

The parser doesn't need to be intelligent enough to realise that 12 represents a number, (and Danielle is a string like any other). So in javascript we can do:

anObject = JSON.parse(myJSON);
anObject.age === 12 // True
anObject.name == "Danielle" // True
anObject.age === "12" // False

In XML we'd have to do something like the following:

<person>
    <age>12</age>
    <name>Danielle</name>
</person>

(as an aside, this illustrates the point that XML is rather more verbose; a concern for data transmission). To use this data, we'd run it through a parser, then we'd have to call something like:

myObject = parseThatXMLPlease();
thePeople = myObject.getChildren("person");
thePerson = thePeople[0];
thePerson.getChildren("name")[0].value() == "Danielle" // True
thePerson.getChildren("age")[0].value() == "12" // True

Actually, a good parser might well type the age for you (on the other hand, you might well not want it to). What's going on when we access this data is - instead of doing an attribute lookup like in the JSON example above - we're doing a map lookup on the key name. It might be more intuitive to form the XML like this:

<person name="Danielle" age="12" />

But we'd still have to do map lookups to access our data:

myObject = parseThatXMLPlease();
age = myObject.getChildren("person")[0].getAttr("age");

EDIT: Original:

In most programming languages (not all, by any stretch) a map lookup such as this will be more costly than an attribute lookup (like we got above when we parsed the JSON).

This is misleading: remember that in JavaScript (and other dynamic languages) there's no difference between a map lookup and a field lookup. In fact, a field lookup is just a map lookup.

If you want a really worthwhile comparison, the best is to benchmark it - do the benchmarks in the context where you plan to use the data.

As I have been typing, Felix Kling has already put up a fairly succinct answer comparing them in terms of when to use each one, so I won't go on any further.

find /path/to/  \( -iname '*.gif' -o -iname '*.jpg' \) -print0

will work. There might be a more elegant way.

It's 2019 and you should be using this:

let arr = [...Array(20)].fill(10)

So basically 20 is the length or a new instantiated Array.

Above answers are pretty sufficient. Additional to the onChange, if you upload a file using drag and drop events, you can get the file in drop event by accessing eventArgs.dataTransfer.files.

A leap year is exactly divisible by 4 except for century years (years ending with 00). The century year is a leap year only if it is perfectly divisible by 400. For example,

if( (year % 4) == 0):
    if ( (year % 100 ) == 0):

        if ( (year % 400) == 0):

            print("{0} is a leap year".format(year))
        else:

            print("{0} is not a leap year".format(year))
    else:

        print("{0} is a leap year".format(year))

else:

    print("{0} is not a leap year".format(year))

Adding "%PROGRAMFILES%\\Git\\bin\\bash.exe -l -i" doesn't work for me. Because of space symbol (which is separator in cmd) in %PROGRAMFILES% terminal executes command "C:\Program" instead of "C:\Program Files\Git\bin\bash.exe -l -i". The solution should be something like adding quotation marks in json file, but I didn't figure out how. The only solution is to add "C:\Program Files\Git\bin" to %PATH% and write "commandline": "bash.exe" in profiles.json

You can try following sample http://jsfiddle.net/xKJB8/3/

<img id="preview" src="http://www.gravatar.com/avatar/0e39d18b89822d1d9871e0d1bc839d06?s=128&d=identicon&r=PG">
<canvas id="myCanvas" />

var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
var img = document.getElementById("preview");
ctx.drawImage(img, 10, 10);
alert(c.toDataURL());

Maven is a build tool. Along with Ant or Gradle are Javas tools for building.
If you are a newbie in Java though just build using your IDE since Maven has a steep learning curve.

This assumes that the content is in column B on each sheet (since it's not clear how you determine the column on each sheet.) and the last row of that column is also the last row of the sheet.

$xlCellTypeLastCell = 11 
$startRow = 5 
$col = 2 

$excel = New-Object -Com Excel.Application
$wb = $excel.Workbooks.Open("C:\Users\Administrator\my_test.xls")

for ($i = 1; $i -le $wb.Sheets.Count; $i++)
{
    $sh = $wb.Sheets.Item($i)
    $endRow = $sh.UsedRange.SpecialCells($xlCellTypeLastCell).Row
    $city = $sh.Cells.Item($startRow, $col).Value2
    $rangeAddress = $sh.Cells.Item($startRow + 1, $col).Address() + ":" + $sh.Cells.Item($endRow, $col).Address()
    $sh.Range($rangeAddress).Value2 | foreach 
    {
        New-Object PSObject -Property @{ City = $city; Area = $_ }
    }
}

$excel.Workbooks.Close()

<asp:Panel ID="Panel2" runat="server" DefaultButton="bttxt">
    <telerik:RadNumericTextBox ID="txt" runat="server">
    </telerik:RadNumericTextBox>
    <asp:LinkButton ID="bttxt" runat="server" Style="display: none;" OnClick="bttxt_Click" />
</asp:Panel>

protected void txt_TextChanged(object sender, EventArgs e)
{
    //enter code here
}

For me this work for example here what happen is the main menu will be disabled when you open the registration form.

 frmUserRegistration frmMainMenu = new frmUserRegistration();
    frmMainMenu.ShowDialog(this);

Basic :

CREATE TABLE table1 (
    columnA INTEGER NOT NULL,
    columnB INTEGER NOT NULL,
    PRIMARY KEY (columnA, columnB)
);

If your columns are foreign keys of other tables (common case) :

CREATE TABLE table1 (
    table2_id INTEGER NOT NULL,
    table3_id INTEGER NOT NULL,
    FOREIGN KEY (table2_id) REFERENCES table2(id),
    FOREIGN KEY (table3_id) REFERENCES table3(id),
    PRIMARY KEY (table2_id, table3_id)
);

CREATE TABLE table2 (
    id INTEGER NOT NULL,
    PRIMARY KEY id
);

CREATE TABLE table3 (
    id INTEGER NOT NULL,
    PRIMARY KEY id
);

It's perfectly safe as long as you always access the values through the struct via the . (dot) or -> notation.

What's not safe is taking the pointer of unaligned data and then accessing it without taking that into account.

Also, even though each item in the struct is known to be unaligned, it's known to be unaligned in a particular way, so the struct as a whole must be aligned as the compiler expects or there'll be trouble (on some platforms, or in future if a new way is invented to optimise unaligned accesses).

A Java virtual machine (JVM) is a virtual machine that can execute Java ByteCode. It is the code execution component of the Java software platform.

The Java Development Kit (JDK) is an Oracle Corporation product aimed at Java developers. Since the introduction of Java, it has been by far the most widely used Java Software Development Kit (SDK).

Java Runtime Environment, is also referred to as the Java Runtime, Runtime Environment

OpenJDK (Open Java Development Kit) is a free and open source implementation of the Java programming language. It is the result of an effort Sun Microsystems began in 2006. The implementation is licensed under the GNU General Public License (GPL) with a linking exception.

For Back Button in jquery // http://code.jquery.com/jquery-latest.js

 jQuery(window).bind("unload", function() { //

and in html5 there is an event The event is called 'popstate'

window.onpopstate = function(event) {
alert("location: " + document.location + ", state: " + JSON.stringify(event.state));
};

and for refresh please check Check if page gets reloaded or refreshed in Javascript

In Mozilla Client-x and client-y is inside document area https://developer.mozilla.org/en-US/docs/Web/API/event.clientX

I consider the jQuery plugin "jQuery resize event" to be the best solution for this as it takes care of throttling the event so that it works the same across all browsers. It's similar to Andrews answer but better since you can hook the resize event to specific elements/selectors as well as the entire window. It opens up new possibilities to write clean code.

The plugin is available here

There are performance issues if you add a lot of listeners, but for most usage cases it's perfect.

(Tested on Oracle 11g)

About AS:

• When used on result column, AS is optional.
• When used on table name, AS shouldn't be added, otherwise it's an error.

About double quote:

• It's optional & valid for both result column & table name.

e.g

-- 'AS' is optional for result column
select (1+1) as result from dual;
select (1+1) result from dual;


-- 'AS' shouldn't be used for table name
select 'hi' from dual d;


-- Adding double quotes for alias name is optional, but valid for both result column & table name,
select (1+1) as "result" from dual;
select (1+1) "result" from dual;

select 'hi' from dual "d";

The best option is prepared statements. Messing around with quotes and escapes is harder work to begin with, and difficult to maintain. Sooner or later you will end up accidentally forgetting to quote something or end up escaping the same string twice, or mess up something like that. Might be years before you find those type of bugs.

http://php.net/manual/en/pdo.prepared-statements.php

To round down towards negative infinity, use:

rounded=Math.floor(number);

To round down towards zero (if the number can round to a 32-bit integer between -2147483648 and 2147483647), use:

rounded=number|0;

To round down towards zero (for any number), use:

if(number>0)rounded=Math.floor(number);else rounded=Math.ceil(number);

If you want to call the main method of another class you can do it this way assuming I understand the question.

public class MyClass {

    public static void main(String[] args) {

        System.out.println("main() method of MyClass");
        OtherClass obj = new OtherClass();
    }
}

class OtherClass {

    public OtherClass() {

        // Call the main() method of MyClass
        String[] arguments = new String[] {"123"};
        MyClass.main(arguments);
    }
}

try this

  function sum() {
       var txtFirstNumberValue = document.getElementById('txt1').value;
       var txtSecondNumberValue = document.getElementById('txt2').value;
       if (txtFirstNumberValue == "")
           txtFirstNumberValue = 0;
       if (txtSecondNumberValue == "")
           txtSecondNumberValue = 0;

       var result = parseInt(txtFirstNumberValue) + parseInt(txtSecondNumberValue);
       if (!isNaN(result)) {
           document.getElementById('txt3').value = result;
       }
   }

If the keystore is for tomcat then, after creating the keystore with the above answers, you must add a final step to create the "tomcat" alias for the key:

keytool -changealias -alias "1" -destalias "tomcat" -keystore keystore-file.jks

You can check the result with:

keytool -list -keystore keystore-file.jks -v

In modern browsers, use Intl.DateTimeFormat and force 12hr format with options:

    let now = new Date();

    new Intl.DateTimeFormat('default',
        {
            hour12: true,
            hour: 'numeric',
            minute: 'numeric'
        }).format(now);

    // 6:30 AM

Using default will honor browser's default locale if you add more options, yet will still output 12hr format.

git help log

gives you the manpage of git log. Search for "author" there by pressing / and then typing "author", followed by Enter. Type "n" a few times to get to the relevant section, which reveals:

git log --author="username"

as already suggested.

Note that this will give you the author of the commits, but in Git, the author can be someone different from the committer (for example in Linux kernel, if you submit a patch as an ordinary user, it might be committed by another administrative user.) See Difference between author and committer in Git? for more details)

Most of the time, what one refers to as the user is both the committer and the author though.

I ignored using JDK13 with Android Studio, So I selected below settings and it was solved:

Step 1. (File > Other Settings > Default Project Structure > SDK Location > JDK Location)

Embedded JDK 

Step 2. (File > Project Structure > Project)

gradle plugin 3.6.3 

gradle 5.6.4 

Replying to very old post. But maybe it will help some newbie and if non of the above works out.

Explanation: I know nobody wants explanation crap; rather the solution. But in one liner, you are trying to access a service from your local machine to a remote machine which does not trust your machine. You request need to gain the trust from remote server.

Solution: The following solution assumes that you have the following conditions met

1. Trying to access a remote api from your local machine.
2. You are building for Android app
3. Your remote server is under proxy filtration (you use proxy in your browser setting to access the remote api service, typically a staging or dev server)
4. You are testing on real device

Steps:

You need a .keystore extension file to signup your app. If you don't know how to create .keystore file; then follow along with the following section Create .keystore file or otherwise skip to next section Sign Apk File

Create .keystore file

Open Android Studio. Click top menu Build > Generate Signed APK. In the next window click the Create new... button. In the new window, please input in data in all fields. Remember the two Password field i recommend should have the same password; don't use different password; and also remember the save path at top most field Key store path:. After you input all the field click OK button.

Sign Apk File

Now you need to build a signed app with the .keystore file you just created. Follow these steps

1. Build > Clean Project, wait till it finish cleaning
2. Build > Generate Signed APK
3. Click Choose existing... button
4. Select the .keystore file we just created in the Create .keystore file section
5. Enter the same password you created while creating in Create .keystore file section. Use same password for Key store password and Key password fields. Also enter the alias
6. Click Next button
7. In the next screen; which might be different based on your settings in build.gradle files, you need to select Build Types and Flavors.
8. For the Build Types choose release from the dropdown

9. For Flavors however it will depends on your settings in build.gradle file. Choose staging from this field. I used the following settings in the build.gradle, you can use the same as mine, but make sure you change the applicationId to your package name

   productFlavors {
       staging {
           applicationId "com.yourapplication.package"
           manifestPlaceholders = [icon: "@drawable/ic_launcher"]
           buildConfigField "boolean", "CATALYST_DEBUG", "true"
           buildConfigField "boolean", "ALLOW_INVALID_CERTIFICATE", "true"
       }
       production {
           buildConfigField "boolean", "CATALYST_DEBUG", "false"
           buildConfigField "boolean", "ALLOW_INVALID_CERTIFICATE", "false"
       }
   }
   

10. Click the bottom two Signature Versions checkboxes and click Finish button.

Almost There:

All the hardwork is done, now the movement of truth. Inorder to access the Staging server backed-up by proxy, you need to make some setting in your real testing Android devices.

Proxy Setting in Android Device:

1. Click the Setting inside Android phone and then wi-fi
2. Long press on the connected wifi and select Modify network
3. Click the Advanced options if you can't see the Proxy Hostname field
4. In the Proxy Hostname enter the host IP or name you want to connect. A typical staging server will be named as stg.api.mygoodcompany.com
5. For the port enter the four digit port number for example 9502
6. Hit the Save button

One Last Stop:

Remember we generated the signed apk file in Sign APK File section. Now is the time to install that APK file.

1. Open a terminal and changed to the signed apk file folder
2. Connect your Android device to your machine
3. Remove any previous installed apk file from the Android device
4. Run adb install name of the apk file
5. If for some reason the above command return with adb command not found. Enter the full path as C:\Users\shah\AppData\Local\Android\sdk\platform-tools\adb.exe install name of the apk file

I hope the problem might be solved. If not please leave me a comments.

Salam!

For anyone who is looking for solutions here, I had a similar issue with C++: malloc(): smallbin double linked list corrupted:

This was due to a function not returning a value it was supposed to.

std::vector<Object> generateStuff(std::vector<Object>& target> {
  std::vector<Object> returnValue;
  editStuff(target);
  // RETURN MISSING
}

Don't know why this was able to compile after all. Probably there was a warning about it.

You can count option tag first, and then set the count for size attribute. For example, in PHP you can count the array and then use a foreach loop for the array.

<?php $count = count($array); ?>
<select size="<?php echo $count; ?>" style="height:100%;">
<?php foreach ($array as $item){ ?>
    <option value="valueItem">Name Item</option>
<?php } ?>
</select>

use this command grep "your word" searchDirectory/*.log

Get more on this link

http://www.cyberciti.biz/faq/howto-recursively-search-all-files-for-words/

Setting overflow: hidden hides the scrollbar. Set overflow: scroll to make sure the scrollbar appears all the time.

To use the ::webkit-scrollbar property, simply target .scroll before calling it.

.scroll {
   width: 200px;
   height: 400px;
    background: red;
   overflow: scroll;
}
.scroll::-webkit-scrollbar {
    width: 12px;
}

.scroll::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3); 
    border-radius: 10px;
}

.scroll::-webkit-scrollbar-thumb {
    border-radius: 10px;
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.5); 
}
?

See this live example

For Mac OS X:

pip install --ignore-installed six

Check the $VIRTUAL_ENV environment variable.

The $VIRTUAL_ENV environment variable contains the virtual environment's directory when in an active virtual environment.

>>> import os
>>> os.environ['VIRTUAL_ENV']
'/some/path/project/venv'

Once you run deactivate / leave the virtual environment, the $VIRTUAL_ENV variable will be cleared/empty. Python will raise a KeyError because the environment variable was unset.

>>> import os
>>> os.environ['VIRTUAL_ENV']
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/os.py", line 678, in __getitem__
    raise KeyError(key) from None
KeyError: 'VIRTUAL_ENV'

These same environment variable checks can of course also be done outside of the Python script, in the shell.

Remove below lines from style or style(21)

<item name="android:windowDrawsSystemBarBackgrounds">true</item>
<item name="android:statusBarColor">@color/colorPrimaryDark</item>
<item name="android:windowTranslucentStatus">false</item>

Use pyplot.suptitle or Figure.suptitle:

import matplotlib.pyplot as plt
import numpy as np

fig=plt.figure()
data=np.arange(900).reshape((30,30))
for i in range(1,5):
    ax=fig.add_subplot(2,2,i)        
    ax.imshow(data)

fig.suptitle('Main title') # or plt.suptitle('Main title')
plt.show()

use:

$scope.users.length;

Instead of:

$scope.users.lenght;

And next time "spell-check" your code.

Something like this could be it?

HTML

 <div class="random">
        SOMETHING
 </div>

CSS

body{

    text-align: center;
}

.random{

    width: 60%;
    margin: auto;
    background-color: yellow;
    display:block;

}

DEMO: http://jsfiddle.net/t5Pp2/2/

Edit: adding display:block doesn't ruin the thing, so...

You can also set the margin to: margin: 0 auto 0 auto; just to be sure it centers only this way not from the top too.

In general you can say session.gc_maxlifetime specifies the maximum lifetime since the last change of your session data (not the last time session_start was called!). But PHP’s session handling is a little bit more complicated.

Because the session data is removed by a garbage collector that is only called by session_start with a probability of session.gc_probability devided by session.gc_divisor. The default values are 1 and 100, so the garbage collector is only started in only 1% of all session_start calls. That means even if the the session is already timed out in theory (the session data had been changed more than session.gc_maxlifetime seconds ago), the session data can be used longer than that.

Because of that fact I recommend you to implement your own session timeout mechanism. See my answer to How do I expire a PHP session after 30 minutes? for more details.

This is what I found while running batch files in parallel (multiple instances of the same bat file at the same time with different input parameters) :

Lets say that you have an exe file that performs a long task called LongRunningTask.exe

If you call the exe directly from the bat file, only the first call to the LongRunningTask will succed, while the rest will get an OS error "File is already in use by the process"

If you use this command:

start /B /WAIT "" "LongRunningTask.exe" "parameters"

You will be able to run multiple instances of the bat and exe, while still waiting for the task to finish before the bat continues executing the remaining commands. The /B option is to avoid creating another window, the empty quotes are needed in order to the command to work, see the reference below.

Note that if you don´t use the /WAIT in the start, the LongRunningTask will be executed at the same time than the remaining commands in the batch file, so it might create problems if one of these commands requires the output of the LongRunningTask

Resuming :

This can´t run in parallel :

• call LongRunningTask.exe

This will run in parallel and will be ok as far as there are no data dependencies between the output of the command and the rest of the bat file :

• start /B "" "LongRunningTask.exe" "parameters"

This will run in parallel and wait for the task to finish, so you can use the output :

• start /B /WAIT "" "LongRunningTask.exe" "parameters"

Reference for the start command : How can I run a program from a batch file without leaving the console open after the program start?

It only safer as long as you don't build with -Wno-narrowing like say Google does in Chromium. If you do, then it is LESS safe. Without that flag the only unsafe cases will be fixed by C++20 though.

Note: A) Curly brackets are safer because they don't allow narrowing. B) Curly brackers are less safe because they can bypass private or deleted constructors, and call explicit marked constructors implicitly.

Those two combined means they are safer if what is inside is primitive constants, but less safe if they are objects (though fixed in C++20)

With that parameters you're triggering the wrong overloaded function/method.

What worked for me:

<%= Html.ActionLink("Details", "Details", "Product", new { id=item.ID }, null) %>

It fires HtmlHelper.ActionLink(string linkText, string actionName, string controllerName, object routeValues, object htmlAttributes)

I'm using MVC 4.

Cheerio!

While the other answers will do the job fine for most people, the "correct" Unix way of doing this should be mentioned. Since all types of text terminals do not support these sequences, you can query the terminfo database, an abstraction over the capabilites of various text terminals. This might seem mostly of historical interest – software terminals in use today generally support the ANSI sequences – but it does have (at least) one practical effect: it is sometimes useful to be able to set the environment variable TERM to dumb to avoid all such styling, for example when saving the output to a text file. Also, it feels good to do things right. :-)

You can use the ruby-terminfo gem. It needs some C compiling to install; I was able to install it under my Ubuntu 14.10 system with:

$ sudo apt-get install libncurses5-dev
$ gem install ruby-terminfo --user-install

Then you can query the database like this (see the terminfo man page for a list of what codes are available):

require 'terminfo' 
TermInfo.control("bold")
puts "Bold text"
TermInfo.control("sgr0")
puts "Back to normal."
puts "And now some " + TermInfo.control_string("setaf", 1) + 
     "red" + TermInfo.control_string("sgr0") + " text."

Here's a little wrapper class I put together to make things a little more simple to use.

require 'terminfo'

class Style
  def self.style() 
    @@singleton ||= Style.new
  end

  colors = %w{black red green yellow blue magenta cyan white}
  colors.each_with_index do |color, index|
    define_method(color) { get("setaf", index) }
    define_method("bg_" + color) { get("setab", index) }
  end

  def bold()  get("bold")  end
  def under() get("smul")  end
  def dim()   get("dim")   end
  def clear() get("sgr0")  end

  def get(*args)
    begin
      TermInfo.control_string(*args)
    rescue TermInfo::TermInfoError
      ""
    end
  end
end

Usage:

c = Style.style
C = c.clear
puts "#{c.red}Warning:#{C} this is #{c.bold}way#{C} #{c.bg_red}too much #{c.cyan + c.under}styling#{C}!"
puts "#{c.dim}(Don't you think?)#{C}"

(edit) Finally, if you'd rather not require a gem, you can rely on the tput program, as described here – Ruby example:

puts "Hi! " + `tput setaf 1` + "This is red!" + `tput sgr0`

Similar to @Akash but here is another approach that I've used. It uses str than lambda because python lambda always gives me an alien-feelings.

import argparse
from distutils.util import strtobool

parser = argparse.ArgumentParser()
parser.add_argument("--my_bool", type=str, default="False")
args = parser.parse_args()

if bool(strtobool(args.my_bool)) is True:
    print("OK")

There are plenty of examples of using JQuery to retrieve the mouse coordinates, but none fixed my issue.

The Body of my webpage is 1000 pixels wide, and I centre it in the middle of the user's browser window.

body {
    position:absolute;
    width:1000px;
    left: 50%;
    margin-left:-500px;
}

Now, in my JavaScript code, when the user right-clicked on my page, I wanted a div to appear at the mouse position.

Problem is, just using e.pageX value wasn't quite right. It'd work fine if I resized my browser window to be about 1000 pixels wide. Then, the pop div would appear at the correct position.

But if increased the size of my browser window to, say, 1200 pixels wide, then the div would appear about 100 pixels to the right of where the user had clicked.

The solution is to combine e.pageX with the bounding rectangle of the body element. When the user changes the size of their browser window, the "left" value of body element changes, and we need to take this into account:

// Temporary variables to hold the mouse x and y position
var tempX = 0;
var tempY = 0;

jQuery(document).ready(function () {
    $(document).mousemove(function (e) {
        var bodyOffsets = document.body.getBoundingClientRect();
        tempX = e.pageX - bodyOffsets.left;
        tempY = e.pageY;
    });
}) 

Phew. That took me a while to fix ! I hope this is useful to other developers !

This is the way that I did it for a uni project, works fine, prob not safe tho

$dbhost = 'localhost';
$dbuser = 'root';
$dbpass = '';
$conn = mysql_connect($dbhost, $dbuser, $dbpass);

$title =    $_POST['title'];            
$name =     $_POST['name'];         
$surname =  $_POST['surname'];                  
$email =    $_POST['email'];            
$pass =     $_POST['password'];     
$cpass =    $_POST['cpassword'];        

$check = 1;

if (){
}
else{
    $check = 1;
}   
if ($check == 1){

require_once('website_data_collecting/db.php');

$sel_user = "SELECT * FROM users WHERE user_email='$email'";
$run_user = mysqli_query($con, $sel_user);
$check_user = mysqli_num_rows($run_user);

if ($check_user > 0){
    echo    '<div style="margin: 0 0 10px 20px;">Email already exists!</br>
             <a href="recover.php">Recover Password</a></div>';
}
else{
    $users_tb = "INSERT INTO users ". 
           "(user_name, user_email, user_password) ". 
        "VALUES('$name','$email','$pass')";

    $users_info_tb = "INSERT INTO users_info".
           "(user_title, user_surname)".
        "VALUES('$title', '$surname')";

    mysql_select_db('dropbox');
    $run_users_tb = mysql_query( $users_tb, $conn );
    $run_users_info_tb = mysql_query( $users_info_tb, $conn );

    if(!$run_users_tb || !$run_users_info_tb){
        die('Could not enter data: ' . mysql_error());
    }
    else{
        echo "Entered data successfully\n";
    }

    mysql_close($conn);
}

}

In my case the issue is that on Xcode Beta 11.5 there's a change on the ways to sign the app so just make sure that both for the Debug/Release the provisioning certificate is properly set

How about a function that jumps to the week before that week number and then steps through the next few days until the week number changes (max 7 steps), returning the new date?

CREATE FUNCTION dbo.fnGetDateFromWeekNo
(@weekNo int , @yearNo  int)
RETURNS smalldatetime
AS
BEGIN 

DECLARE @tmpDate smalldatetime


set @tmpdate= cast(cast (@yearNo as varchar) + '-01-01' as smalldatetime)
-- jump forward x-1 weeks to save counting through the whole year 
set @tmpdate=dateadd(wk,@weekno-1,@tmpdate)

-- make sure weekno is not out of range
if @WeekNo <= datepart(wk,cast(cast (@yearNo as varchar) + '-12-31' as smalldatetime))
BEGIN
    WHILE (datepart(wk,@tmpdate)<@WeekNo)
    BEGIN
        set @tmpdate=dateadd(dd,1,@tmpdate)
    END
END
ELSE
BEGIN
    -- invalid weeknumber given
    set @tmpdate=null
END


RETURN @tmpDate

END

File type handling is new with iPhone OS 3.2, and is different than the already-existing custom URL schemes. You can register your application to handle particular document types, and any application that uses a document controller can hand off processing of these documents to your own application.

For example, my application Molecules (for which the source code is available) handles the .pdb and .pdb.gz file types, if received via email or in another supported application.

To register support, you will need to have something like the following in your Info.plist:

<key>CFBundleDocumentTypes</key>
<array>
    <dict>
        <key>CFBundleTypeIconFiles</key>
        <array>
            <string>Document-molecules-320.png</string>
            <string>Document-molecules-64.png</string>
        </array>
        <key>CFBundleTypeName</key>
        <string>Molecules Structure File</string>
        <key>CFBundleTypeRole</key>
        <string>Viewer</string>
        <key>LSHandlerRank</key>
        <string>Owner</string>
        <key>LSItemContentTypes</key>
        <array>
            <string>com.sunsetlakesoftware.molecules.pdb</string>
            <string>org.gnu.gnu-zip-archive</string>
        </array>
    </dict>
</array>

Two images are provided that will be used as icons for the supported types in Mail and other applications capable of showing documents. The LSItemContentTypes key lets you provide an array of Uniform Type Identifiers (UTIs) that your application can open. For a list of system-defined UTIs, see Apple's Uniform Type Identifiers Reference. Even more detail on UTIs can be found in Apple's Uniform Type Identifiers Overview. Those guides reside in the Mac developer center, because this capability has been ported across from the Mac.

One of the UTIs used in the above example was system-defined, but the other was an application-specific UTI. The application-specific UTI will need to be exported so that other applications on the system can be made aware of it. To do this, you would add a section to your Info.plist like the following:

<key>UTExportedTypeDeclarations</key>
<array>
    <dict>
        <key>UTTypeConformsTo</key>
        <array>
            <string>public.plain-text</string>
            <string>public.text</string>
        </array>
        <key>UTTypeDescription</key>
        <string>Molecules Structure File</string>
        <key>UTTypeIdentifier</key>
        <string>com.sunsetlakesoftware.molecules.pdb</string>
        <key>UTTypeTagSpecification</key>
        <dict>
            <key>public.filename-extension</key>
            <string>pdb</string>
            <key>public.mime-type</key>
            <string>chemical/x-pdb</string>
        </dict>
    </dict>
</array>

This particular example exports the com.sunsetlakesoftware.molecules.pdb UTI with the .pdb file extension, corresponding to the MIME type chemical/x-pdb.

With this in place, your application will be able to handle documents attached to emails or from other applications on the system. In Mail, you can tap-and-hold to bring up a list of applications that can open a particular attachment.

When the attachment is opened, your application will be started and you will need to handle the processing of this file in your -application:didFinishLaunchingWithOptions: application delegate method. It appears that files loaded in this manner from Mail are copied into your application's Documents directory under a subdirectory corresponding to what email box they arrived in. You can get the URL for this file within the application delegate method using code like the following:

NSURL *url = (NSURL *)[launchOptions valueForKey:UIApplicationLaunchOptionsURLKey];

Note that this is the same approach we used for handling custom URL schemes. You can separate the file URLs from others by using code like the following:

if ([url isFileURL])
{
    // Handle file being passed in
}
else
{
    // Handle custom URL scheme
}

or simply by :

switch to the branch if you are not in it already:

[za]$ git checkout branch_name

run

[za]$ git branch --set-upstream origin branch_name
Branch origin set up to track local branch brnach_name by rebasing.

and you ready to :

 [za]$ git push origin branch_name

You can alawys take a look at the config file to see what is tracking what by running:

 [za]$ git config -e

It's also nice to know this, it shows which branches are tracked and which ones are not. :

  [za]$ git remote show origin 

Aggregated List of Libraries

• Boost.Asio is really good.
• Asio is also available as a stand-alone library.
• ACE is also good, a bit more mature and has a couple of books to support it.
• C++ Network Library
• POCO
• Qt
• Raknet
• ZeroMQ (C++)
• nanomsg (C Library)
• nng (C Library)
• Berkeley Sockets
• libevent
• Apache APR
• yield
• Winsock2(Windows only)
• wvstreams
• zeroc
• libcurl
• libuv (Cross-platform C library)
• SFML's Network Module
• C++ Rest SDK (Casablanca)
• RCF
• Restbed (HTTP Asynchronous Framework)
• SedNL
• SDL_net
• OpenSplice|DDS
• facil.io (C, with optional HTTP and Websockets, Linux / BSD / macOS)
• GLib Networking
• grpc from Google
• GameNetworkingSockets from Valve
• CYSockets To do easy things in the easiest way

Creating a single combined plot with your current data set up would look something like this

p <- ggplot() +
      # blue plot
      geom_point(data=visual1, aes(x=ISSUE_DATE, y=COUNTED)) + 
      geom_smooth(data=visual1, aes(x=ISSUE_DATE, y=COUNTED), fill="blue",
        colour="darkblue", size=1) +
      # red plot
      geom_point(data=visual2, aes(x=ISSUE_DATE, y=COUNTED)) + 
      geom_smooth(data=visual2, aes(x=ISSUE_DATE, y=COUNTED), fill="red",
        colour="red", size=1)

however if you could combine the data sets before plotting then ggplot will automatically give you a legend, and in general the code looks a bit cleaner

visual1$group <- 1
visual2$group <- 2

visual12 <- rbind(visual1, visual2)

p <- ggplot(visual12, aes(x=ISSUE_DATE, y=COUNTED, group=group, col=group, fill=group)) +
      geom_point() +
      geom_smooth(size=1)

Do like this...

import java.util.ArrayList;
import java.util.Arrays;

public class rohit {

    public static void main(String[] args) {
        ArrayList<Integer> a=new ArrayList<Integer>();
        ArrayList<Integer> b=new ArrayList<Integer>();
        b.add(1);
        b.add(2);
        b.add(3);
        permu(a,b);
    }

    public static void permu(ArrayList<Integer> prefix,ArrayList<Integer> value) {
        if(value.size()==0) {
            System.out.println(prefix);
        } else {
            for(int i=0;i<value.size();i++) {
                ArrayList<Integer> a=new ArrayList<Integer>();
                a.addAll(prefix);
                a.add(value.get(i));

                ArrayList<Integer> b=new ArrayList<Integer>();

                b.addAll(value.subList(0, i));
                b.addAll(value.subList(i+1, value.size()));

                permu(a,b);
            }
        }
    }

}

An easier option may be to log the POST data before it gets to the server. For web applications, I use Burp Proxy and set Firefox to use it as an HTTP/S proxy, and then I can watch (and mangle) data 'on the wire' in real time.

For making API requests without a browser, SoapUI is very useful and may show similar info. I would bet that you could probably configure SoapUI to connect through Burp as well (just a guess though).

The python-shell module by extrabacon is a simple way to run Python scripts from Node.js with basic, but efficient inter-process communication and better error handling.

Installation: npm install python-shell.

Running a simple Python script:

var PythonShell = require('python-shell');

PythonShell.run('my_script.py', function (err) {
  if (err) throw err;
  console.log('finished');
});

Running a Python script with arguments and options:

var PythonShell = require('python-shell');

var options = {
  mode: 'text',
  pythonPath: 'path/to/python',
  pythonOptions: ['-u'],
  scriptPath: 'path/to/my/scripts',
  args: ['value1', 'value2', 'value3']
};

PythonShell.run('my_script.py', options, function (err, results) {
  if (err) 
    throw err;
  // Results is an array consisting of messages collected during execution
  console.log('results: %j', results);
});

For the full documentation and source code, check out https://github.com/extrabacon/python-shell

The cin.clear() clears the error flag on cin (so that future I/O operations will work correctly), and then cin.ignore(10000, '\n') skips to the next newline (to ignore anything else on the same line as the non-number so that it does not cause another parse failure). It will only skip up to 10000 characters, so the code is assuming the user will not put in a very long, invalid line.

OSX python3

Just run this code in your terminal:

sudo pip3 install scikit-image

If you faced any other issues please check this link for more.

composer.phar can be ran on its own, no need to prefix it with php. This should solve your problem (being in the difference of bash's $PATH and php's include_path).

This is for Azure SQL:

IF (EXISTS(SELECT TOP 1 1 FROM sys.sql_logins WHERE [name] = '<login>'))
    DROP LOGIN [<login>];

Source: How to check whether database user already exists in Azure SQL Database

Devise uses some generators to generate views and stuff it needs into your application. If you have run this generator, you can easily undo it with

rails destroy <name_of_generator>

The uninstallation of the gem works as described in the other posts.

Previously, you would do this through NPAPI plugins.

However, Google is now phasing out NPAPI for Chrome, so the preferred way to do this is using the native messaging API. The external application would have to register a native messaging host in order to exchange messages with your application.

It seems the original author has found their solution, but for anyone else who gets here looking to add actual custom headers, if you have access to mod the generated Protocol code you can override GetWebRequest:

protected override System.Net.WebRequest GetWebRequest(Uri uri)
{
  System.Net.WebRequest request = base.GetWebRequest(uri);
  request.Headers.Add("myheader", "myheader_value");
  return request;
}

Make sure you remove the DebuggerStepThroughAttribute attribute if you want to step into it.

I solve this issue using below configuration on spring boot framework

spring.datasource.url=jdbc:mysql://localhost:3306/db-name?useUnicode=true&characterEncoding=UTF-8&allowPublicKeyRetrieval=true&useSSL=false
spring.datasource.username=root
spring.datasource.password=root

You have indented part of your code in settings.py:

# Uncomment the next line to enable the admin:
     'django.contrib.admin',
    # Uncomment the next line to enable admin documentation:
    #'django.contrib.admindocs',
     'tinymce',
     'sorl.thumbnail',
     'south',
     'django_facebook',
     'djcelery',
     'devserver',
     'main',

Therefore, it is giving you an error.

Here is another one, I think. Just for reference. Let's set a variable to be an instantance of class StringVar

If you program Tk using the Tcl language, you can ask the system to let you know when a variable is changed. The Tk toolkit can use this feature, called tracing, to update certain widgets when an associated variable is modified.

There’s no way to track changes to Python variables, but Tkinter allows you to create variable wrappers that can be used wherever Tk can use a traced Tcl variable.

text = StringVar()
self.depositLabel = Label(self.__mainWindow, text = self.labelText, textvariable = text)
                                                                    ^^^^^^^^^^^^^^^^^
  def depositCallBack(self,event):
      text.set('change the value')

Use this for your code

<ul class="nav nav-tabs" style="margin-top:10em;">
  <li class="active" data-toggle="tab"><a href="#">Assign</a></li>
<li data-toggle="tab"><a href="#">Two</a></li>
<li data-toggle="tab"><a href="#">Three</a></li>

"How do I create an initial database ?"

You created a database when you installed XE. At some point the installation process prompted you to enter a password for the SYSTEM account. Use that to connect to the XE database using the SQL commandline on the application menu.

The XE documentation is online and pretty helpful. Find it here.

It's worth mentioning that 11g XE has several limitations, one of which is only one database per server. So using the pre-installed database is the sensible option.

To remove the association between the local and remote branch run:

git config --unset branch.<local-branch-name>.remote
git config --unset branch.<local-branch-name>.merge

Optionally delete the local branch afterwards if you don't need it:

git branch -d <branch>

This won't delete the remote branch.

From the Marshalling (computer science) Wikipedia article:

The term "marshal" is considered to be synonymous with "serialize" in the Python standard library1, but the terms are not synonymous in the Java-related RFC 2713:

To "marshal" an object means to record its state and codebase(s) in such a way that when the marshalled object is "unmarshalled", a copy of the original object is obtained, possibly by automatically loading the class definitions of the object. You can marshal any object that is serializable or remote. Marshalling is like serialization, except marshalling also records codebases. Marshalling is different from serialization in that marshalling treats remote objects specially. (RFC 2713)

To "serialize" an object means to convert its state into a byte stream in such a way that the byte stream can be converted back into a copy of the object.

So, marshalling also saves the codebase of an object in the byte stream in addition to its state.

You can achieve this like following :

map<string, int>::iterator it;

for (it = symbolTable.begin(); it != symbolTable.end(); it++)
{
    std::cout << it->first    // string (key)
              << ':'
              << it->second   // string's value 
              << std::endl;
}

With C++11 _{( and onwards )},

for (auto const& x : symbolTable)
{
    std::cout << x.first  // string (key)
              << ':' 
              << x.second // string's value 
              << std::endl;
}

With C++17 _{( and onwards )},

for (auto const& [key, val] : symbolTable)
{
    std::cout << key        // string (key)
              << ':'  
              << val        // string's value
              << std::endl;
}

 NSTimer.scheduledTimerWithTimeInterval(NSTimeInterval(3), target: self, selector: "functionHere", userInfo: nil, repeats: false)

This would call the function functionHere() with a 3 seconds delay

<?php
if (in_array('your_variable', $Your_array)) {
    $redImg = 'true code here';
} else {
    $redImg = 'false code here';
} 
?>

You can make the id the primary key, and set member_id to NOT NULL UNIQUE. (Which you've done.) Columns that are NOT NULL UNIQUE can be the target of foreign key references, just like a primary key can. (I'm pretty sure that's true of all SQL platforms.)

At the conceptual level, there's no difference between PRIMARY KEY and NOT NULL UNIQUE. At the physical level, this is a MySQL issue; other SQL platforms will let you use a sequence without making it the primary key.

But if performance is really important, you should think twice about widening your table by four bytes per row for that tiny visual convenience. In addition, if you switch to INNODB in order to enforce foreign key constraints, MySQL will use your primary key in a clustered index. Since you're not using your primary key, I imagine that could hurt performance.

You must check the certificate hash code.

ServicePointManager.ServerCertificateValidationCallback = (sender, certificate, chain,
    errors) =>
        {
            var hashString = certificate.GetCertHashString();
            if (hashString != null)
            {
                var certHashString = hashString.ToLower();
                return certHashString == "dec2b525ddeemma8ccfaa8df174455d6e38248c5";
            }
            return false;
        };

I am not sure in your case. But as I know to run any jar file from cmd we can use following command:

Go up to the directory where your jar file is saved:

java -jar <jarfilename>.jar

But you can check following links. I hope it'll help you:

Run Netbeans maven project from command-line?

http://www.sonatype.com/books/mvnref-book/reference/running-sect-options.html

From the Jenkins website, http://jenkins-ci.org, the following sums it up.

In a nutshell Jenkins CI is the leading open-source continuous integration server. Built with Java, it provides over 300 plugins to support building and testing virtually any project.

Oracle now owns the Hudson trademark, but has licensed it under the Eclipse EPL. Jenkins is on the MIT license. Both Hudson and Jenkins are open-source. Based on the combination of who you work for and personal preference for open-source, the decision is straightforward IMHO.

Hope this was helpful.

this is what i came up with as i was having issues with @asp8811 answer(maybe my own difficulties)

' this will do the put the first 2 sheets in a pdf ' Note each ws should be controlled with page breaks for printing which is a bit fiddly ' this will explicitly put the pdf in the current dir

Sub luxation2()
    Dim Filename As String
    Filename = "temp201"



Dim shtAry()
ReDim shtAry(1) ' this is an array of length 2
For i = 1 To 2
shtAry(i - 1) = Sheets(i).Name
Debug.Print Sheets(i).Name
Next i
Sheets(shtAry).Select
Debug.Print ThisWorkbook.Path & "\"


    ActiveSheet.ExportAsFixedFormat xlTypePDF, ThisWorkbook.Path & "/" & Filename & ".pdf", , , False

End Sub

public class Book
{
    public int number;
    public String title;
    public String language;
    public int price;

    // Add constructor, get, set, as needed.
}

then declare your array as:

Book[] books = new Book[3];

EDIT: In response to O.P.'s confusion, Book should be an object, not an array. Each book should be created on it's own (via a properly designed constructor) and then added to the array. In fact, I wouldn't use an array, but an ArrayList. In other words, you are trying to force data into containers that aren't suitable for the task at hand.

I would venture that 50% of programming is choosing the right data structure for your data. Algorithms naturally follow if there is a good choice of structure.

When properly done, you get your UI class to look like: Edit: Generics added to the following code snippet.

...
ArrayList<Book> myLibrary = new ArrayList<Book>();
myLibrary.add(new Book(1, "Thinking In Java", "English", 4999));
myLibrary.add(new Book(2, "Hacking for Fun and Profit", "English", 1099);

etc.

now you can use the Collections interface and do something like:

int total = 0;
for (Book b : myLibrary)
{
   total += b.price;
   System.out.println(b); // Assuming a valid toString in the Book class
}
System.out.println("The total value of your library is " + total);

array of variants:

    Public Function GetIndex(ByRef iaList() As Variant, ByVal value As Variant) As Long

    Dim i As Long

     For i = LBound(iaList) To UBound(iaList)
      If value = iaList(i) Then
       GetIndex = i
       Exit For
      End If
     Next i

    End Function

a fastest version for integers (as pref tested below)

    Public Function GetIndex(ByRef iaList() As Integer, ByVal value As Integer) As Integer
     Dim i As Integer

     For i = LBound(iaList) To UBound(iaList)
      If iaList(i) = value Then: GetIndex = i: Exit For:
     Next i

    End Function

' a snippet, replace myList and myValue to your varible names: (also have not tested)

a snippet, lets test the assumption the passing by reference as argument means something. (the answer is no) to use it replace myList and myValue to your variable names:

  Dim found As Integer, foundi As Integer ' put only once
  found = -1
  For foundi = LBound(myList) To UBound(myList):
   If myList(foundi) = myValue Then
    found = foundi: Exit For
   End If
  Next
  result = found

to prove the point I have made some benchmarks

here are the results:

---------------------------
Milliseconds
---------------------------
result0: 5 ' just empty loop

result1: 2702  ' function variant array

result2: 1498  ' function integer array

result3: 2511 ' snippet variant array

result4: 1508 ' snippet integer array

result5: 58493 ' excel function Application.Match on variant array

result6: 136128 ' excel function Application.Match on integer array
---------------------------
OK   
---------------------------

a module:

Public Declare Function GetTickCount Lib "kernel32.dll" () As Long
#If VBA7 Then
    Public Declare PtrSafe Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As LongPtr) 'For 64 Bit Systems
#Else
    Public Declare Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As Long) 'For 32 Bit Systems
#End If

    Public Function GetIndex1(ByRef iaList() As Variant, ByVal value As Variant) As Long

    Dim i As Long

     For i = LBound(iaList) To UBound(iaList)
      If value = iaList(i) Then
       GetIndex = i
       Exit For
      End If
     Next i

    End Function


'maybe a faster variant for integers

    Public Function GetIndex2(ByRef iaList() As Integer, ByVal value As Integer) As Integer
     Dim i As Integer

     For i = LBound(iaList) To UBound(iaList)
      If iaList(i) = value Then: GetIndex = i: Exit For:
     Next i

    End Function

' a snippet, replace myList and myValue to your varible names: (also have not tested)



    Public Sub test1()
     Dim i As Integer

     For i = LBound(iaList) To UBound(iaList)
      If iaList(i) = value Then: GetIndex = i: Exit For:
     Next i

    End Sub


Sub testTimer()

Dim myList(500) As Variant, myValue As Variant
Dim myList2(500) As Integer, myValue2 As Integer
Dim n

For n = 1 To 500
myList(n) = n
Next

For n = 1 To 500
myList2(n) = n
Next

myValue = 100
myValue2 = 100


Dim oPM
Set oPM = New PerformanceMonitor
Dim result0 As Long
Dim result1 As Long
Dim result2 As Long
Dim result3 As Long
Dim result4 As Long
Dim result5 As Long
Dim result6 As Long

Dim t As Long

Dim a As Long

a = 0
Dim i
't = GetTickCount
oPM.StartCounter
For i = 1 To 1000000

Next
result0 = oPM.TimeElapsed() '  GetTickCount - t

a = 0

't = GetTickCount
oPM.StartCounter
For i = 1 To 1000000
a = GetIndex1(myList, myValue)
Next
result1 = oPM.TimeElapsed()
'result1 = GetTickCount - t


a = 0

't = GetTickCount
oPM.StartCounter
For i = 1 To 1000000
a = GetIndex2(myList2, myValue2)
Next
result2 = oPM.TimeElapsed()
'result2 = GetTickCount - t



a = 0

't = GetTickCount

oPM.StartCounter
Dim found As Integer, foundi As Integer ' put only once
For i = 1 To 1000000
found = -1
For foundi = LBound(myList) To UBound(myList):
 If myList(foundi) = myValue Then
  found = foundi: Exit For
 End If
Next
a = found
Next
result3 = oPM.TimeElapsed()
'result3 = GetTickCount - t



a = 0

't = GetTickCount

oPM.StartCounter
For i = 1 To 1000000
found = -1
For foundi = LBound(myList2) To UBound(myList2):
 If myList2(foundi) = myValue2 Then
  found = foundi: Exit For
 End If
Next
a = found
Next
result4 = oPM.TimeElapsed()
'result4 = GetTickCount - t


a = 0

't = GetTickCount
oPM.StartCounter
For i = 1 To 1000000
a = pos = Application.Match(myValue, myList, False)
Next
result5 = oPM.TimeElapsed()
'result5 = GetTickCount - t



a = 0

't = GetTickCount
oPM.StartCounter
For i = 1 To 1000000
a = pos = Application.Match(myValue2, myList2, False)
Next
result6 = oPM.TimeElapsed()
'result6 = GetTickCount - t


MsgBox "result0: " & result0 & vbCrLf & "result1: " & result1 & vbCrLf & "result2: " & result2 & vbCrLf & "result3: " & result3 & vbCrLf & "result4: " & result4 & vbCrLf & "result5: " & result5 & vbCrLf & "result6: " & result6, , "Milliseconds"
End Sub

a class named PerformanceMonitor

Option Explicit

Private Type LARGE_INTEGER
    lowpart As Long
    highpart As Long
End Type

Private Declare Function QueryPerformanceCounter Lib "kernel32" (lpPerformanceCount As LARGE_INTEGER) As Long
Private Declare Function QueryPerformanceFrequency Lib "kernel32" (lpFrequency As LARGE_INTEGER) As Long

Private m_CounterStart As LARGE_INTEGER
Private m_CounterEnd As LARGE_INTEGER
Private m_crFrequency As Double

Private Const TWO_32 = 4294967296# ' = 256# * 256# * 256# * 256#

Private Function LI2Double(LI As LARGE_INTEGER) As Double
Dim Low As Double
    Low = LI.lowpart
    If Low < 0 Then
        Low = Low + TWO_32
    End If
    LI2Double = LI.highpart * TWO_32 + Low
End Function

Private Sub Class_Initialize()
Dim PerfFrequency As LARGE_INTEGER
    QueryPerformanceFrequency PerfFrequency
    m_crFrequency = LI2Double(PerfFrequency)
End Sub

Public Sub StartCounter()
    QueryPerformanceCounter m_CounterStart
End Sub

Property Get TimeElapsed() As Double
Dim crStart As Double
Dim crStop As Double
    QueryPerformanceCounter m_CounterEnd
    crStart = LI2Double(m_CounterStart)
    crStop = LI2Double(m_CounterEnd)
    TimeElapsed = 1000# * (crStop - crStart) / m_crFrequency
End Property

.h files will nothing to do with compiling ... you only care about cpp files... so type g++ filename1.cpp filename2.cpp main.cpp -o myprogram

means you are compiling each cpp files and then linked them together into myprgram.

then run your program ./myprogram

They are formatting String. The Java specific syntax is given in java.util.Formatter.

The general syntax is as follows:

   %[argument_index$][flags][width][.precision]conversion

%02d performs decimal integer conversion d, formatted with zero padding (0 flag), with width 2. Thus, an int argument whose value is say 7, will be formatted into "07" as a String.

You may also see this formatting string in e.g. String.format.

Commonly used formats

These are just some commonly used formats and doesn't cover the syntax exhaustively.

Zero padding for numbers

System.out.printf("Agent %03d to the rescue!", 7);
// Agent 007 to the rescue!

Width for justification

You can use the - flag for left justification; otherwise it'll be right justification.

for (Map.Entry<Object,Object> prop : System.getProperties().entrySet()) {
    System.out.printf("%-30s : %50s%n", prop.getKey(), prop.getValue());
}

This prints something like:

java.version                   :                                 1.6.0_07
java.vm.name                   :               Java HotSpot(TM) Client VM
java.vm.vendor                 :                    Sun Microsystems Inc.
java.vm.specification.name     :       Java Virtual Machine Specification
java.runtime.name              :          Java(TM) SE Runtime Environment
java.vendor.url                :                     http://java.sun.com/

For more powerful message formatting, you can use java.text.MessageFormat. %n is the newline conversion (see below).

Hexadecimal conversion

System.out.println(Integer.toHexString(255));
// ff

System.out.printf("%d is %<08X", 255);
// 255 is 000000FF

Note that this also uses the < relative indexing (see below).

Floating point formatting

System.out.printf("%+,010.2f%n", 1234.567);
System.out.printf("%+,010.2f%n", -66.6666);
// +01,234.57
// -000066.67

For more powerful floating point formatting, use DecimalFormat instead.

%n for platform-specific line separator

System.out.printf("%s,%n%s%n", "Hello", "World");
// Hello,
// World

%% for an actual %-sign

System.out.printf("It's %s%% guaranteed!", 99.99);
// It's 99.99% guaranteed!

Note that the double literal 99.99 is autoboxed to Double, on which a string conversion using toString() is defined.

n$ for explicit argument indexing

System.out.printf("%1$s! %1$s %2$s! %1$s %2$s %3$s!",
    "Du", "hast", "mich"
);
// Du! Du hast! Du hast mich!

< for relative indexing

System.out.format("%s?! %<S?!?!?", "Who's your daddy");
// Who's your daddy?! WHO'S YOUR DADDY?!?!?

Related questions

• Why is String’s format(Object… args) defined as a static method?
• escaping formatting characters in java String.format
• Is it better practice to use String.format over string Concatenation in Java?
• Should I use Java’s String.format() if performance is important?
• Understanding the $ in Java’s format strings
• java decimal String format
• difference between system.out.printf and String.format
• What classes do you use to make string templates? -- MessageFormat with example

in O(m+n) complexity

def merge_sorted_list(nums1: list, nums2:list) -> list:
        m = len(nums1)
        n = len(nums2)
        
        nums1 = nums1.copy()
        nums2 = nums2.copy()
        nums1.extend([0 for i in range(n)])
        while m > 0 and n > 0:
            if nums1[m-1] >= nums2[n-1]:
                nums1[m+n-1] = nums1[m-1]
                m -= 1
            else:
                nums1[m+n-1] = nums2[n-1]
                n -= 1
        if n > 0:
            nums1[:n] = nums2[:n]
        return nums1

l1 = [1, 3, 4, 7]    
l2 =  [0, 2, 5, 6, 8, 9]    
print(merge_sorted_list(l1, l2))

output

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

Matplotlib uses a dictionary from its colors.py module.

To print the names use:

# python2:

import matplotlib
for name, hex in matplotlib.colors.cnames.iteritems():
    print(name, hex)

# python3:

import matplotlib
for name, hex in matplotlib.colors.cnames.items():
    print(name, hex)

This is the complete dictionary:

cnames = {
'aliceblue':            '#F0F8FF',
'antiquewhite':         '#FAEBD7',
'aqua':                 '#00FFFF',
'aquamarine':           '#7FFFD4',
'azure':                '#F0FFFF',
'beige':                '#F5F5DC',
'bisque':               '#FFE4C4',
'black':                '#000000',
'blanchedalmond':       '#FFEBCD',
'blue':                 '#0000FF',
'blueviolet':           '#8A2BE2',
'brown':                '#A52A2A',
'burlywood':            '#DEB887',
'cadetblue':            '#5F9EA0',
'chartreuse':           '#7FFF00',
'chocolate':            '#D2691E',
'coral':                '#FF7F50',
'cornflowerblue':       '#6495ED',
'cornsilk':             '#FFF8DC',
'crimson':              '#DC143C',
'cyan':                 '#00FFFF',
'darkblue':             '#00008B',
'darkcyan':             '#008B8B',
'darkgoldenrod':        '#B8860B',
'darkgray':             '#A9A9A9',
'darkgreen':            '#006400',
'darkkhaki':            '#BDB76B',
'darkmagenta':          '#8B008B',
'darkolivegreen':       '#556B2F',
'darkorange':           '#FF8C00',
'darkorchid':           '#9932CC',
'darkred':              '#8B0000',
'darksalmon':           '#E9967A',
'darkseagreen':         '#8FBC8F',
'darkslateblue':        '#483D8B',
'darkslategray':        '#2F4F4F',
'darkturquoise':        '#00CED1',
'darkviolet':           '#9400D3',
'deeppink':             '#FF1493',
'deepskyblue':          '#00BFFF',
'dimgray':              '#696969',
'dodgerblue':           '#1E90FF',
'firebrick':            '#B22222',
'floralwhite':          '#FFFAF0',
'forestgreen':          '#228B22',
'fuchsia':              '#FF00FF',
'gainsboro':            '#DCDCDC',
'ghostwhite':           '#F8F8FF',
'gold':                 '#FFD700',
'goldenrod':            '#DAA520',
'gray':                 '#808080',
'green':                '#008000',
'greenyellow':          '#ADFF2F',
'honeydew':             '#F0FFF0',
'hotpink':              '#FF69B4',
'indianred':            '#CD5C5C',
'indigo':               '#4B0082',
'ivory':                '#FFFFF0',
'khaki':                '#F0E68C',
'lavender':             '#E6E6FA',
'lavenderblush':        '#FFF0F5',
'lawngreen':            '#7CFC00',
'lemonchiffon':         '#FFFACD',
'lightblue':            '#ADD8E6',
'lightcoral':           '#F08080',
'lightcyan':            '#E0FFFF',
'lightgoldenrodyellow': '#FAFAD2',
'lightgreen':           '#90EE90',
'lightgray':            '#D3D3D3',
'lightpink':            '#FFB6C1',
'lightsalmon':          '#FFA07A',
'lightseagreen':        '#20B2AA',
'lightskyblue':         '#87CEFA',
'lightslategray':       '#778899',
'lightsteelblue':       '#B0C4DE',
'lightyellow':          '#FFFFE0',
'lime':                 '#00FF00',
'limegreen':            '#32CD32',
'linen':                '#FAF0E6',
'magenta':              '#FF00FF',
'maroon':               '#800000',
'mediumaquamarine':     '#66CDAA',
'mediumblue':           '#0000CD',
'mediumorchid':         '#BA55D3',
'mediumpurple':         '#9370DB',
'mediumseagreen':       '#3CB371',
'mediumslateblue':      '#7B68EE',
'mediumspringgreen':    '#00FA9A',
'mediumturquoise':      '#48D1CC',
'mediumvioletred':      '#C71585',
'midnightblue':         '#191970',
'mintcream':            '#F5FFFA',
'mistyrose':            '#FFE4E1',
'moccasin':             '#FFE4B5',
'navajowhite':          '#FFDEAD',
'navy':                 '#000080',
'oldlace':              '#FDF5E6',
'olive':                '#808000',
'olivedrab':            '#6B8E23',
'orange':               '#FFA500',
'orangered':            '#FF4500',
'orchid':               '#DA70D6',
'palegoldenrod':        '#EEE8AA',
'palegreen':            '#98FB98',
'paleturquoise':        '#AFEEEE',
'palevioletred':        '#DB7093',
'papayawhip':           '#FFEFD5',
'peachpuff':            '#FFDAB9',
'peru':                 '#CD853F',
'pink':                 '#FFC0CB',
'plum':                 '#DDA0DD',
'powderblue':           '#B0E0E6',
'purple':               '#800080',
'red':                  '#FF0000',
'rosybrown':            '#BC8F8F',
'royalblue':            '#4169E1',
'saddlebrown':          '#8B4513',
'salmon':               '#FA8072',
'sandybrown':           '#FAA460',
'seagreen':             '#2E8B57',
'seashell':             '#FFF5EE',
'sienna':               '#A0522D',
'silver':               '#C0C0C0',
'skyblue':              '#87CEEB',
'slateblue':            '#6A5ACD',
'slategray':            '#708090',
'snow':                 '#FFFAFA',
'springgreen':          '#00FF7F',
'steelblue':            '#4682B4',
'tan':                  '#D2B48C',
'teal':                 '#008080',
'thistle':              '#D8BFD8',
'tomato':               '#FF6347',
'turquoise':            '#40E0D0',
'violet':               '#EE82EE',
'wheat':                '#F5DEB3',
'white':                '#FFFFFF',
'whitesmoke':           '#F5F5F5',
'yellow':               '#FFFF00',
'yellowgreen':          '#9ACD32'}

You could plot them like this:

import matplotlib.pyplot as plt
import matplotlib.patches as patches
import matplotlib.colors as colors
import math


fig = plt.figure()
ax = fig.add_subplot(111)

ratio = 1.0 / 3.0
count = math.ceil(math.sqrt(len(colors.cnames)))
x_count = count * ratio
y_count = count / ratio
x = 0
y = 0
w = 1 / x_count
h = 1 / y_count

for c in colors.cnames:
    pos = (x / x_count, y / y_count)
    ax.add_patch(patches.Rectangle(pos, w, h, color=c))
    ax.annotate(c, xy=pos)
    if y >= y_count-1:
        x += 1
        y = 0
    else:
        y += 1

plt.show()

For me WORKSPACE was a valid property of the pipeline itself. So when I handed over this to a Groovy method as parameter context from the pipeline script itself, I was able to access the correct value using "... ${context.WORKSPACE} ..."

(on Jenkins 2.222.3, Build Pipeline Plugin 1.5.8, Pipeline: Nodes and Processes 2.35)

I was playing with Pyjon some time ago and seems manage to write Javascript's eval directly in Python and ran simple programs... Although it is not complete implementation of JS and rather an experiment. Get it here:

http://code.google.com/p/pyjon/

You can include lambda along with map:

list(map(lambda a: a+2, [1, 2, 3]))

You just use the method

public Object put(Object key, Object value)

if the key was already present in the Map then the previous value is returned.

I tried one after other and found a best answer at the time:

https://stackoverflow.com/a/3187524/985399

I skip old browsers so I made the code shorter to work on modern browsers (IE9+)

    document.addEventListener("mouseout", function(e) {_x000D_
        let t = e.relatedTarget || e.toElement;_x000D_
        if (!t || t.nodeName == "HTML") {_x000D_
          console.log("left window");_x000D_
        }_x000D_
    });_x000D_
_x000D_
document.write("<br><br>PROBLEM<br><br><div>Mouseout trigg on HTML elements</div>")

Here you see the browser support

That was pretty short I thought

But a problem still remained because "mouseout" trigg on all elements in the document.

To prevent it from happen, use mouseleave (IE5.5+). See the good explanation in the link.

The following code works without triggering on elements inside the element to be inside or outside of. Try also drag-release outside the document.

var x = 0_x000D_
_x000D_
document.addEventListener("mouseleave", function(e) { console.log(x++) _x000D_
})_x000D_
_x000D_
document.write("<br><br>SOLUTION<br><br><div>Mouseleave do not trigg on HTML elements</div>")

You can set the event on any HTML element. Do not have the event on document.body though, because the windows scrollbar may shrink the body and fire when mouse pointer is abowe the scroll bar when you want to scroll but not want to trigg a mouseLeave event over it. Set it on document instead, as in the example.

For running it on any CPU either 62 bit or 32 bit follow these steps: Right click on the name of the project in Solution Explorer> Properties>Build and have these under Configuration: Active(Release), Platform:Active(Any CPU) and Target:x86. and just beside the Run button Select option Release and Any CPU from the options. And then Save it and Run.

ES6 - here is the 1 liner

var data = { zIndex:99,
             name:'sravan',
             age:25, 
             position:'architect',
             amount:'100k',
             manager:'mammu' };

console.log(Object.entries(data).sort().reduce( (o,[k,v]) => (o[k]=v,o), {} ));

Precision of a number is the number of digits.

Scale of a number is the number of digits after the decimal point.

What is generally implied when setting precision and scale on field definition is that they represent maximum values.

Example, a decimal field defined with precision=5 and scale=2 would allow the following values:

• 123.45 (p=5,s=2)
• 12.34 (p=4,s=2)
• 12345 (p=5,s=0)
• 123.4 (p=4,s=1)
• 0 (p=0,s=0)

The following values are not allowed or would cause a data loss:

• 12.345 (p=5,s=3) => could be truncated into 12.35 (p=4,s=2)
• 1234.56 (p=6,s=2) => could be truncated into 1234.6 (p=5,s=1)
• 123.456 (p=6,s=3) => could be truncated into 123.46 (p=5,s=2)
• 123450 (p=6,s=0) => out of range

Note that the range is generally defined by the precision: |value| < 10^p ...

For clarification, here is a more detailed example demonstrating Form Validation using jQuery Validation Unobtrusive.

Both use the following JavaScript with jQuery:

  $("#commentForm").validate({
    submitHandler: function(form) {
      // some other code
      // maybe disabling submit button
      // then:
      alert("This is a valid form!");
//      form.submit();
    }
  });

The main differences between the two plugins are the attributes used for each approach.

jQuery Validation

Simply use the following attributes:

• Set required if required
• Set type for proper formatting (email, etc.)
• Set other attributes such as size (min length, etc.)

Here's the form...

<form id="commentForm">
  <label for="form-name">Name (required, at least 2 characters)</label>
  <input id="form-name" type="text" name="form-name" class="form-control" minlength="2" required>
  <input type="submit" value="Submit">
</form>

jQuery Validation Unobtrusive

The following data attributes are needed:

• data-msg-required="This is required."
• data-rule-required="true/false"

Here's the form...

<form id="commentForm">
  <label for="form-x-name">Name (required, at least 2 characters)</label>
  <input id="form-x-name" type="text" name="name" minlength="2" class="form-control" data-msg-required="Name is required." data-rule-required="true">
  <input type="submit" value="Submit">
</form>

Based on either of these examples, if the form fields that are required have been filled, and they meet the additional attribute criteria, then a message will pop up notifying that all form fields are validated. Otherwise, there will be text near the offending form fields that indicates the error.

References: - jQuery Validation: https://jqueryvalidation.org/documentation/

If they're both strings you can just do:

#define STR3 STR1 STR2

This then expands to:

#define STR3 "s" "1"

and in the C language, separating two strings with space as in "s" "1" is exactly equivalent to having a single string "s1".

Add another varChar(255) column (with default as empty string not null) to hold the overflow when 255 chars are not enough, and change this PK to use both columns. This does not sound like a well designed database schema however, and I would recommend getting a data modeler to look at what you have with a view towards refactoring it for more Normalization.

Do this to use a profile with name 'dev':

session = boto3.session.Session(profile_name='dev')
s3 = session.resource('s3')
for bucket in s3.buckets.all():
    print(bucket.name)

Mongoose (Formerly Simple HTTP Daemon) is pretty good. In particular, it's embeddable and compiles under Windows, Windows CE, and UNIX.

I think you are confusing objects and classes. A class inside a class looks like this:

class Foo(object):
    class Bar(object):
        pass

>>> foo = Foo()
>>> bar = Foo.Bar()

But it doesn't look to me like that's what you want. Perhaps you are after a simple containment hierarchy:

class Player(object):
    def __init__(self, ... airplanes ...) # airplanes is a list of Airplane objects
        ...
        self.airplanes = airplanes
        ...

class Airplane(object):
    def __init__(self, ... flights ...) # flights is a list of Flight objects
        ...
        self.flights = flights
        ...

class Flight(object):
    def __init__(self, ... duration ...)
        ...
        self.duration = duration
        ...

Then you can build and use the objects thus:

player = Player(...[
    Airplane(... [
        Flight(...duration=10...),
        Flight(...duration=15...),
        ] ... ),
    Airplane(...[
        Flight(...duration=20...),
        Flight(...duration=11...),
        Flight(...duration=25...),
        ]...),
    ])

player.airplanes[5].flights[6].duration = 5

@jk1 answer is perfect, since @igor Ganapolsky asked, why can't we use Mockito.mock here? i post this answer.

For that we have provide one setter method for myobj and set the myobj value with mocked object.

class MyClass {
    MyInterface myObj;

    public void abc() {
        myObj.myMethodToBeVerified (new String("a"), new String("b"));
    }

    public void setMyObj(MyInterface obj)
    {
        this.myObj=obj;
    }
}

In our Test class, we have to write below code

class MyClassTest {

MyClass myClass = new MyClass();

    @Mock
    MyInterface myInterface;

    @test
    testAbc() {
        myclass.setMyObj(myInterface); //it is good to have in @before method
        myClass.abc();
        verify(myInterface).myMethodToBeVerified(new String("a"), new String("b"));
     }
}

If all the divs inside that masterdiv needs to be cleared, it this.

$('#masterdiv div').html('');

else, you need to iterate on all the div children of #masterdiv, and check if the id starts with childdiv.

$('#masterdiv div').each(
    function(element){
        if(element.attr('id').substr(0, 8) == "childdiv")
        {
            element.html('');
        }
    }
 );

After linking up your jquery and bootstrap write your code just below the Script tags of jquery and bootstrap.

$(document).ready(function($) {_x000D_
  $("#div").on("click", "a", function(event) {_x000D_
    event.preventDefault();_x000D_
    jQuery.noConflict();_x000D_
    $('#myModal').modal('show');_x000D_
_x000D_
  });_x000D_
});

<!-- jQuery library -->_x000D_
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>_x000D_
_x000D_
<!-- Latest compiled JavaScript -->_x000D_
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>

If you could get the data as a generic tuple when you read it in or retrieved it, it would be a lot easier; then you would just have to write a Sort function that compares the desired column of the tuple, and you have a single dimension array of tuples.

Does it have to be done in Java? I.e. does it need to be platform independent? If not, I'd suggest using the 'split' command in *nix. If you really wanted, you could execute this command via your java program. While I haven't tested, I imagine it perform faster than whatever Java IO implementation you could come up with.

If you are creating modelform from POST values initial can be assigned this way:

form = SomeModelForm(request.POST, initial={"option": "10"})

https://docs.djangoproject.com/en/1.10/topics/forms/modelforms/#providing-initial-values

You can:

mkdir -p folder/subfolder

The -p flag causes any parent directories to be created if necessary.

I already found it:

SELECT grantee, privilege_type 
FROM information_schema.role_table_grants 
WHERE table_name='mytable'

The JSON standard requires double quotes and will not accept single quotes, nor will the parser.

If you have a simple case with no escaped single quotes in your strings (which would normally be impossible, but this isn't JSON), you can simple str.replace(/'/g, '"') and you should end up with valid JSON.

For your specific example, you don't actually need to nest them. If the expression in the try block succeeds, the function will return, so any code after the whole try/except block will only be run if the first attempt fails. So you can just do:

def __getattribute__(self, item):
    try:
        return object.__getattribute__(item)
    except AttributeError:
        pass
    # execution only reaches here when try block raised AttributeError
    try:
        return self.dict[item]
    except KeyError:
        print "The object doesn't have such attribute"

Nesting them isn't bad, but I feel like leaving it flat makes the structure more clear: you're sequentially trying a series of things and returning the first one that works.

Incidentally, you might want to think about whether you really want to use __getattribute__ instead of __getattr__ here. Using __getattr__ will simplify things because you'll know that the normal attribute lookup process has already failed.

Add this library to the Gradle to enable color vector drawable in old android Devices.

compile 'com.android.support:palette-v7:26.0.0-alpha1'

and re sync gradle. I think it will solve the problem.

I know it sucks. None of the above things were really working, but I found a work around. Please be extra careful to use spaces between the apostrophes [ ' ], otherwise it will get escaped.

SELECT 'Hello ' '&' ' World';

Hello & World

You're welcome ;)

From my experience, Selenium Webdriver doesn't auto scroll to an element on click when there are more than one scrollable section on the page (which is quite common).

I am using Ruby, and for my AUT, I had to monkey patch the click method as follows;

class Element

      #
      # Alias the original click method to use later on
      #
      alias_method :base_click, :click

      # Override the base click method to scroll into view if the element is not visible
      # and then retry click
      #
      def click
        begin
          base_click
        rescue Selenium::WebDriver::Error::ElementNotVisibleError
          location_once_scrolled_into_view
          base_click
        end
      end

The 'location_once_scrolled_into_view' method is an existing method on WebElement class.

I apreciate you may not be using Ruby but it should give you some ideas.

I faced a similar kind of issue while using a custom object as a key in Treemap. Whenever you are using a custom object as a key in hashmap then you override two function equals and hashcode, However if you are using ContainsKey method of Treemap on this object then you need to override CompareTo method as well otherwise you will be getting this error Someone using a custom object as a key in hashmap in kotlin should do like following

 data class CustomObjectKey(var key1:String = "" , var 
 key2:String = ""):Comparable<CustomObjectKey?>
 {
override fun compareTo(other: CustomObjectKey?): Int {
    if(other == null)
        return -1
   // suppose you want to do comparison based on key 1 
    return this.key1.compareTo((other)key1)
}

override fun equals(other: Any?): Boolean {
    if(other == null)
        return false
    return this.key1 == (other as CustomObjectKey).key1
}

override fun hashCode(): Int {
    return this.key1.hashCode()
} 
}

If you try appending the number like, say listName.append(4) , this will append 4 at last. But if you are trying to take <int> and then append it as, num = 4 followed by listName.append(num), this will give you an error as 'num' is of <int> type and listName is of type <list>. So do type cast int(num) before appending it.

The following seems to work for my use cases:

Examples

$ tern 1 YES NO                                                                             
YES
    
$ tern 0 YES NO                                                                             
NO
    
$ tern 52 YES NO                                                                            
YES
    
$ tern 52 YES NO 52                                                                         
NO

and can be used in a script like so:

RESULT=$(tern 1 YES NO)
echo "The result is $RESULT"

tern

function show_help()
{
  echo ""
  echo "usage: BOOLEAN VALUE_IF_TRUE VALUE_IF_FALSE {FALSE_VALUE}"
  echo ""
  echo "e.g. "
  echo ""
  echo "tern 1 YES NO                            => YES"
  echo "tern 0 YES NO                            => NO"
  echo "tern "" YES NO                           => NO"
  echo "tern "ANY STRING THAT ISNT 1" YES NO     => NO"
  echo "ME=$(tern 0 YES NO)                      => ME contains NO"
  echo ""

  exit
}

if [ "$1" == "help" ]
then
  show_help
fi
if [ -z "$3" ]
then
  show_help
fi

# Set a default value for what is "false" -> 0
FALSE_VALUE=${4:-0}

function main
{
  if [ "$1" == "$FALSE_VALUE" ]; then
    echo $3
    exit;
  fi;

  echo $2
}

main "$1" "$2" "$3"

In the bean you can use session.getAttribute("attributeName");

You could try the 'Last Written' time options associated with the DIR command

/T:C -- Creation Time and Date
/T:A -- Last Access Time and Date
/T:W -- Last Written Time and Date (default)

DIR /T:W myfile.txt

The output from the above command will produce a variety of additional details you probably wont need, so you could incorporate two FINDSTR commands to remove blank lines, plus any references to 'Volume', 'Directory' and 'bytes':

DIR /T:W myfile.txt | FINDSTR /v "^$" | FINDSTR /v /c:"Volume" /c:"Directory" /c:"bytes"

Attempts to incorporate the blank line target (/c:"^$" or "^$") within a single FINDSTR command fail to remove the blank lines (or produce other errors) when the results are output to a text file.

This is a cleaner command:

DIR /T:W myfile.txt | FINDSTR /c:"/"

If you don't want Vim to mangle formatting in incoming pasted text, you might also want to consider using: :set paste. This will prevent Vim from re-tabbing your code. When done pasting, :set nopaste will return to the normal behavior.

It's also possible to toggle the mode with a single key, by adding something like set pastetoggle=<F2> to your .vimrc. More details on toggling auto-indent are here.

here is the code

    import React, { Component } from 'react';
    import logo from './logo.svg';
    import './image.css';
    import Dropdown from 'react-dropdown';
    import axios from 'axios';

    let obj = {};

    class App extends Component {
      constructor(){
        super();
        this.state = {
          selectedFiles: []
        }
        this.fileUploadHandler = this.fileUploadHandler.bind(this);
      }

      fileUploadHandler(file){
        let selectedFiles_ = this.state.selectedFiles;
        selectedFiles_.push(file);
        this.setState({selectedFiles: selectedFiles_});
      }

      render() {
        let Images = this.state.selectedFiles.map(image => {
          <div className = "image_parent">

              <img src={require(image.src)}
              />
          </div>
        });

        return (
            <div className="image-upload images_main">

            <input type="file" onClick={this.fileUploadHandler}/>
            {Images}

            </div>
        );
      }
    }

    export default App;

To anyone else who tried most of the solutions and still having problems.

My solution is different from the others, which is located at the bottom of this post, but before you try it make sure you have exhausted the following lists. To be sure, I have tried all of them but to no avail.

1. Recompile and redeploy from scratch, don't update the existing app. SO Answer

2. Grant IIS_IUSRS full access to the directory "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files"

   Keep in mind the framework version you are using. If your app is using impersonation, use that identity instead of IIS_IUSRS

3. Delete all contents of the directory "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files".

   Keep in mind the framework version you are using

4. Change the identity of the AppPool that your app is using, from ApplicatonPoolIdentity to NetworkService.

   IIS > Application Pools > Select current app pool > Advance Settings > Identity.

   SO Answer (please restore to default if it doesn't work)

5. Verify IIS Version and AppPool .NET version compatibility with your app. Highly applicable to first time deployments. SO Answer

6. Verify impersonation configuration if applicable. SO Answer

My Solution:

I found out that certain anti-virus softwares are actively blocking compilations of DLLs within the directory "Temporary ASP.NET Files", mine was McAfee, the IT people failed to notify me of the installation.

As per advice by both McAfee experts and Microsoft, you need to exclude the directory "Temporary ASP.NET Files" in the real time scanning.

Sources:

• McAfee Support Forum
• Microsoft Support
• Asp.Net Forum

Don't disable the Anti-Virus because it is only doing its job. Don't manually copy missing DLL files in the directory \Temporary ASP.NET Files{project name} because thats duct taping.

Yes there is, since setState works in an asynchronous way. That means after calling setState the this.state variable is not immediately changed. so if you want to perform an action immediately after setting state on a state variable and then return a result, a callback will be useful

Consider the example below

....
changeTitle: function changeTitle (event) {
  this.setState({ title: event.target.value });
  this.validateTitle();
},
validateTitle: function validateTitle () {
  if (this.state.title.length === 0) {
    this.setState({ titleError: "Title can't be blank" });
  }
},
....

The above code may not work as expected since the title variable may not have mutated before validation is performed on it. Now you may wonder that we can perform the validation in the render() function itself but it would be better and a cleaner way if we can handle this in the changeTitle function itself since that would make your code more organised and understandable

In this case callback is useful

....
changeTitle: function changeTitle (event) {
  this.setState({ title: event.target.value }, function() {
    this.validateTitle();
  });

},
validateTitle: function validateTitle () {
  if (this.state.title.length === 0) {
    this.setState({ titleError: "Title can't be blank" });
  }
},
....

Another example will be when you want to dispatch and action when the state changed. you will want to do it in a callback and not the render() as it will be called everytime rerendering occurs and hence many such scenarios are possible where you will need callback.

Another case is a API Call

A case may arise when you need to make an API call based on a particular state change, if you do that in the render method, it will be called on every render onState change or because some Prop passed down to the Child Component changed.

In this case you would want to use a setState callback to pass the updated state value to the API call

....
changeTitle: function (event) {
  this.setState({ title: event.target.value }, () => this.APICallFunction());
},
APICallFunction: function () {
  // Call API with the updated value
}
....

When I do this, I get a very small square screen instead of a maxed screen. Yet, when I only use the FormWindowState.Maximized, it does give me a full screen. Why is that?

        public partial class Testscherm : Form
    {
            public Testscherm()

            {

                    this.WindowState = FormWindowState.Maximized;
                    this.MaximizeBox = false;
                    this.MinimizeBox = false;
                    this.MinimumSize = this.Size;
                    this.MaximumSize = this.Size;
                    this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
                    InitializeComponent();


            }

I suggest:

writeLines(c("Hello","World"), "output.txt")

It is shorter and more direct than the current accepted answer. It is not necessary to do:

fileConn<-file("output.txt")
# writeLines command using fileConn connection
close(fileConn)

Because the documentation for writeLines() says:

If the con is a character string, the function calls file to obtain a file connection which is opened for the duration of the function call.

# default settings for writeLines(): sep = "\n", useBytes = FALSE
# so: sep = "" would join all together e.g.

You can use the "file" command if you actually want to find out information about the file rather than rely on the extensions.

If you feel comfortable with using the extension you can use grep to see if it matches.

Hive apparently supports INSERT...VALUES starting in Hive 0.14.

Please see the section 'Inserting into tables from SQL' at: https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DML

Swift 4.2:

@IBOutlet weak var viewLabel1: UIView!
@IBOutlet weak var viewLabel2: UIView!
  override func viewDidLoad() {
    super.viewDidLoad()

    let myView = UITapGestureRecognizer(target: self, action: #selector(someAction(_:)))
    self.viewLabel1.addGestureRecognizer(myView)
}

 @objc func someAction(_ sender:UITapGestureRecognizer){
   viewLabel2.isHidden = true
 }

* This was edited to allow for children of the target class to trigger the events. See bottom of the answer for details. *

An alternative answer to add an event listener to a class where items are frequently being added and removed. This is inspired by jQuery's on function where you can pass in a selector for a child element that the event is listening on.

var base = document.querySelector('#base'); // the container for the variable content
var selector = '.card'; // any css selector for children

base.addEventListener('click', function(event) {
  // find the closest parent of the event target that
  // matches the selector
  var closest = event.target.closest(selector);
  if (closest && base.contains(closest)) {
    // handle class event
  }
});

Fiddle: https://jsfiddle.net/u6oje7af/94/

This will listen for clicks on children of the base element and if the target of a click has a parent matching the selector, the class event will be handled. You can add and remove elements as you like without having to add more click listeners to the individual elements. This will catch them all even for elements added after this listener was added, just like the jQuery functionality (which I imagine is somewhat similar under the hood).

This depends on the events propagating, so if you stopPropagation on the event somewhere else, this may not work. Also, the closest function has some compatibility issues with IE apparently (what doesn't?).

This could be made into a function if you need to do this type of action listening repeatedly, like

function addChildEventListener(base, eventName, selector, handler) {
  base.addEventListener(eventName, function(event) {
    var closest = event.target.closest(selector);
    if (closest && base.contains(closest)) {
      // passes the event to the handler and sets `this`
      // in the handler as the closest parent matching the
      // selector from the target element of the event
      handler.call(closest, event);
    }
  });
}

=========================================
EDIT: This post originally used the matches function for DOM elements on the event target, but this restricted the targets of events to the direct class only. It has been updated to use the closest function instead, allowing for events on children of the desired class to trigger the events as well. The original matches code can be found at the original fiddle: https://jsfiddle.net/u6oje7af/23/

Given your comment to the question (where you say that executing the install for a single package works as expected), I would suggest looping over your requirement file. In bash:

#!/bin/sh
while read p; do
  pip install $p
done < requirements.pip

HTH!

The problem is that IE does not have the standard addEventListener method. IE uses its own attachEvent which does pretty much the same.

Good explanation of the differences, and also about the 3rd parameter can be found at quirksmode.

Since you tagged Java-ee as well - then YES it is possible.

and in core java as well it is possible using static blocks

and check this How can you run a Java program without main method?

Edit:
as already pointed out in other answers - it does not support from Java 7

In the earlier versions of MySQL ( < 5.7.5 ) the only way to set

'innodb_buffer_pool_size'

variable was by writing it to my.cnf (for linux) and my.ini (for windows) under [mysqld] section :

[mysqld]

innodb_buffer_pool_size = 2147483648

You need to restart your mysql server to have it's effect in action.

UPDATE :

As of MySQL 5.7.5, the innodb_buffer_pool_size configuration option can be set dynamically using a SET statement, allowing you to resize the buffer pool without restarting the server. For example:

mysql> SET GLOBAL innodb_buffer_pool_size=402653184;

Reference : https://dev.mysql.com/doc/refman/5.7/en/innodb-buffer-pool-resize.html

I know this is a little late answer,

you can use if and else statements in ejs as follows

<% if (something) { %>
   // Then do some operation
<% } else { %>
   // Then do some operation
<% } %>

But there is another thing I want to emphasize is that if you use the code this way,

<% if (something) { %>
   // Then do some operation
<% } %>
<% else { %>
   // Then do some operation
<% } %>

It will produce an error.

Hope this will help to someone

Laravel's Autoload is a bit different:

1) It will in fact use Composer for some stuff

2) It will call Composer with the optimize flag

3) It will 'recompile' loads of files creating the huge bootstrap/compiled.php

4) And also will find all of your Workbench packages and composer dump-autoload them, one by one.

foreach($page as $key => $value) {
  echo "$key is at $value";
}

For 'without loop' version I'll just ask "why?"

$("#first").select2('data') will return all data as map

For me, once there was a mistake in spelling of function

For e.g. instead of

$(document).ready(function(){

});

I wrote

$(document).ready(funciton(){

});

So keep that also in check

add these lines to your .get/config file (thanks to @kovshenin answer Git Pull: Change Authentication) :

[credential]
    helper = wincred

This little function has served me well:

    //goto view:
    //useage -  $scope.gotoView("your/path/here", boolean_open_in_new_window)
    $scope.gotoView = function (st_view, is_newWindow)
    {

        console.log('going to view: ' + '#/' + st_view, $window.location);
        if (is_newWindow)
        {
            $window.open($window.location.origin + $window.location.pathname + '' + '#/' + st_view, '_blank');
        }
        else
        {
            $window.location.hash = '#/' + st_view;
        }


    };

You dont need the full path, just the view you are switching to

DATE_ADD works correctly. 1 January plus 6 months is 1 July, just like 1 January plus 1 month is 1 of February.

Between operation is inclusive. So, you are getting everything up to, and including, 1 July. (see also MySQL "between" clause not inclusive?)

What you need to do is subtract 1 day or use < operator instead of between.

You're calling both wait and notifyAll without using a synchronized block. In both cases the calling thread must own the lock on the monitor you call the method on.

From the docs for notify (wait and notifyAll have similar documentation but refer to notify for the fullest description):

This method should only be called by a thread that is the owner of this object's monitor. A thread becomes the owner of the object's monitor in one of three ways:

• By executing a synchronized instance method of that object.
• By executing the body of a synchronized statement that synchronizes on the object.
• For objects of type Class, by executing a synchronized static method of that class.

Only one thread at a time can own an object's monitor.

Only one thread will be able to actually exit wait at a time after notifyAll as they'll all have to acquire the same monitor again - but all will have been notified, so as soon as the first one then exits the synchronized block, the next will acquire the lock etc.

If you are not concerned about old IE browsers, you can also use HTML5 dataset API

HTML

<div id="my-div" data-info="some info here" data-other-info="more info here">My Awesome Div</div>

JS

var myDiv = document.querySelector('#my-div');

myDiv.dataset.info // "some info here"
myDiv.dataset.otherInfo // "more info here"

Demo: http://html5demos.com/dataset

Full browser support list: http://caniuse.com/#feat=dataset

A great way of handling this is with regular expressions.

string modifiedString = Regex.Replace(originalString, @"(\r\n)|\n|\r", "<br/>");

This will replace any of the 3 legal types of newline with the html tag.

http://madurangasblogs.blogspot.in/2013/08/avoiding-javaxnetsslsslpeerunverifiedex.html

Courtesy Maduranga

When developing an application that uses https, your test server doesn't have a valid SSL certificate. Or sometimes the web site is using a self-signed certificate or the web site is using free SSL certificate. So if you try to connect to the server using Apache HttpClient, you will get a exception telling that the "peer not authenticated". Though it is not a good practice to trust all the certificates in a production software, you may have to do so according to the situation. This solution resolves the exception caused by "peer not authenticated".

But before we go to the solution, I must warn you that this is not a good idea for a production application. This will violate the purpose of using a security certificate. So unless you have a good reason or if you are sure that this will not cause any problem, don't use this solution.

Normally you create a HttpClient like this.

HttpClient httpclient = new DefaultHttpClient();

But you have to change the way you create the HttpClient.

First you have to create a class extending org.apache.http.conn.ssl.SSLSocketFactory.

import org.apache.http.conn.ssl.SSLSocketFactory;
import java.io.IOException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

public class MySSLSocketFactory extends SSLSocketFactory {
         SSLContext sslContext = SSLContext.getInstance("TLS");

    public MySSLSocketFactory(KeyStore truststore) throws NoSuchAlgorithmException, KeyManagementException, KeyStoreException, UnrecoverableKeyException {
        super(truststore);

        TrustManager tm = new X509TrustManager() {
            public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
            }

            public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
            }

            public X509Certificate[] getAcceptedIssuers() {
                return null;
            }
        };

        sslContext.init(null, new TrustManager[] { tm }, null);
    }

    @Override
    public Socket createSocket(Socket socket, String host, int port, boolean autoClose) throws IOException, UnknownHostException {
        return sslContext.getSocketFactory().createSocket(socket, host, port, autoClose);
    }

    @Override
    public Socket createSocket() throws IOException {
        return sslContext.getSocketFactory().createSocket();
    }
}

Then create a method like this.

public HttpClient getNewHttpClient() {
     try {
         KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
         trustStore.load(null, null);

         SSLSocketFactory sf = new MySSLSocketFactory(trustStore);
         sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

         HttpParams params = new BasicHttpParams();
         HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
         HttpProtocolParams.setContentCharset(params, HTTP.UTF_8);

         SchemeRegistry registry = new SchemeRegistry();
         registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
         registry.register(new Scheme("https", sf, 443));

         ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, registry);

         return new DefaultHttpClient(ccm, params);
     } catch (Exception e) {
         return new DefaultHttpClient();
     }
}

Then you can create the HttpClient.

HttpClient httpclient = getNewHttpClient();

If you are trying to send a post request to a login page the rest of the code would be like this.

private URI url = new URI("url of the action of the form");
HttpPost httppost =  new HttpPost(url);
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();  
nameValuePairs.add(new BasicNameValuePair("username", "user"));  
nameValuePairs.add(new BasicNameValuePair("password", "password"));
try {
    httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
    HttpResponse response = httpclient.execute(httppost);
    HttpEntity entity = response.getEntity();
    InputStream is = entity.getContent();
} catch (UnsupportedEncodingException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
} catch (ClientProtocolException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
} catch (IOException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
}

You get the html page to the InputStream. Then you can do whatever you want with the returned html page.

But here you will face a problem. If you want to manage a session using cookies, you will not be able to do it with this method. If you want to get the cookies, you will have to do it via a browser. Then only you will receive cookies.

Just a simple line of code in the head section can refresh the page

<meta http-equiv="refresh" content="30">

although its not a javascript function, its the simplest way to accomplish the above task hopefully.

Simple, use absolute positioning, and instead of specifying a top and a left, specify a top and a right!

For example:

#logo_image {
    width:80px;
    height:80px;
    top:10px;
    right:10px;
    z-index: 3;
    position:absolute;
}

It is possible. With vanilla Javascript, you can use the function below for reference.

function updateIframeBackground(iframeId) {
    var x = document.getElementById(iframeId);
    var y = (x.contentWindow || x.contentDocument);
    if (y.document) y = y.document;
    y.body.style.backgroundColor = "#2D2D2D";
}

https://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_iframe_contentdocument

you could register an interval on the page using setInterval, ie:

setInterval(function(){ 
    //code goes here that will be run every 5 seconds.    
}, 5000);

For a new version of Swift try this

override var shouldAutorotate: Bool {
    return false
}

override var supportedInterfaceOrientations: UIInterfaceOrientationMask {
    return UIInterfaceOrientationMask.portrait
}

override var preferredInterfaceOrientationForPresentation: UIInterfaceOrientation {
    return UIInterfaceOrientation.portrait
}

In telegram desktop, use this hotkey: ctrl+K

In android:

1. type your text
2. select it
3. and click on Create Link from its options

You can see these steps in this image:

Using the standard mysql.createPool(), connections are lazily created by the pool. If you configure the pool to allow up to 100 connections, but only ever use 5 simultaneously, only 5 connections will be made. However if you configure it for 500 connections and use all 500 they will remain open for the durations of the process, even if they are idle!

This means if your MySQL Server max_connections is 510 your system will only have 10 mySQL connections available until your MySQL Server closes them (depends on what you have set your wait_timeout to) or your application closes! The only way to free them up is to manually close the connections via the pool instance or close the pool.

mysql-connection-pool-manager module was created to fix this issue and automatically scale the number of connections dependant on the load. Inactive connections are closed and idle connection pools are eventually closed if there has not been any activity.

    // Load modules
const PoolManager = require('mysql-connection-pool-manager');

// Options
const options = {
  ...example settings
}

// Initialising the instance
const mySQL = PoolManager(options);

// Accessing mySQL directly
var connection = mySQL.raw.createConnection({
  host     : 'localhost',
  user     : 'me',
  password : 'secret',
  database : 'my_db'
});

// Initialising connection
connection.connect();

// Performing query
connection.query('SELECT 1 + 1 AS solution', function (error, results, fields) {
  if (error) throw error;
  console.log('The solution is: ', results[0].solution);
});

// Ending connection
connection.end();

Ref: https://www.npmjs.com/package/mysql-connection-pool-manager

You could try

document.getElementsByTagName('body')[0].appendChild(i);

Now that won't do you any good if the code is running in the <head>, and running before the <body> has even been seen by the browser. If you don't want to mess with "onload" handlers, try moving your <script> block to the very end of the document instead of the <head>.

int len = qs.Length % 4;
            if (len > 0) qs = qs.PadRight(qs.Length + (4 - len), '=');

where qs is any base64 encoded string

This is by far the best post for exporting to excel from SQL:

http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=49926

To quote from user madhivanan,

Apart from using DTS and Export wizard, we can also use this query to export data from SQL Server2000 to Excel

Create an Excel file named testing having the headers same as that of table columns and use these queries

1 Export data to existing EXCEL file from SQL Server table

insert into OPENROWSET('Microsoft.Jet.OLEDB.4.0', 
    'Excel 8.0;Database=D:\testing.xls;', 
    'SELECT * FROM [SheetName$]') select * from SQLServerTable

2 Export data from Excel to new SQL Server table

select * 
into SQLServerTable FROM OPENROWSET('Microsoft.Jet.OLEDB.4.0', 
    'Excel 8.0;Database=D:\testing.xls;HDR=YES', 
    'SELECT * FROM [Sheet1$]')

3 Export data from Excel to existing SQL Server table (edited)

Insert into SQLServerTable Select * FROM OPENROWSET('Microsoft.Jet.OLEDB.4.0', 
    'Excel 8.0;Database=D:\testing.xls;HDR=YES', 
    'SELECT * FROM [SheetName$]')

4 If you dont want to create an EXCEL file in advance and want to export data to it, use

EXEC sp_makewebtask 
    @outputfile = 'd:\testing.xls', 
    @query = 'Select * from Database_name..SQLServerTable', 
    @colheaders =1, 
    @FixedFont=0,@lastupdated=0,@resultstitle='Testing details'

(Now you can find the file with data in tabular format)

5 To export data to new EXCEL file with heading(column names), create the following procedure

create procedure proc_generate_excel_with_columns
(
    @db_name    varchar(100),
    @table_name varchar(100),   
    @file_name  varchar(100)
)
as

--Generate column names as a recordset
declare @columns varchar(8000), @sql varchar(8000), @data_file varchar(100)
select 
    @columns=coalesce(@columns+',','')+column_name+' as '+column_name 
from 
    information_schema.columns
where 
    table_name=@table_name
select @columns=''''''+replace(replace(@columns,' as ',''''' as '),',',',''''')

--Create a dummy file to have actual data
select @data_file=substring(@file_name,1,len(@file_name)-charindex('\',reverse(@file_name)))+'\data_file.xls'

--Generate column names in the passed EXCEL file
set @sql='exec master..xp_cmdshell ''bcp " select * from (select '+@columns+') as t" queryout "'+@file_name+'" -c'''
exec(@sql)

--Generate data in the dummy file
set @sql='exec master..xp_cmdshell ''bcp "select * from '+@db_name+'..'+@table_name+'" queryout "'+@data_file+'" -c'''
exec(@sql)

--Copy dummy file to passed EXCEL file
set @sql= 'exec master..xp_cmdshell ''type '+@data_file+' >> "'+@file_name+'"'''
exec(@sql)

--Delete dummy file 
set @sql= 'exec master..xp_cmdshell ''del '+@data_file+''''
exec(@sql)

After creating the procedure, execute it by supplying database name, table name and file path:

EXEC proc_generate_excel_with_columns 'your dbname', 'your table name','your file path'

Its a whomping 29 pages but that is because others show various other ways as well as people asking questions just like this one on how to do it.

Follow that thread entirely and look at the various questions people have asked and how they are solved. I picked up quite a bit of knowledge just skimming it and have used portions of it to get expected results.

To update single cells

A member also there Peter Larson posts the following: I think one thing is missing here. It is great to be able to Export and Import to Excel files, but how about updating single cells? Or a range of cells?

This is the principle of how you do manage that

update OPENROWSET('Microsoft.Jet.OLEDB.4.0', 
'Excel 8.0;Database=c:\test.xls;hdr=no', 
'SELECT * FROM [Sheet1$b7:b7]') set f1 = -99

You can also add formulas to Excel using this:

update OPENROWSET('Microsoft.Jet.OLEDB.4.0', 
'Excel 8.0;Database=c:\test.xls;hdr=no', 
'SELECT * FROM [Sheet1$b7:b7]') set f1 = '=a7+c7'

Exporting with column names using T-SQL

Member Mladen Prajdic also has a blog entry on how to do this here

References: www.sqlteam.com (btw this is an excellent blog / forum for anyone looking to get more out of SQL Server). For error referencing I used this

Errors that may occur

If you get the following error:

OLE DB provider 'Microsoft.Jet.OLEDB.4.0' cannot be used for distributed queries

Then run this:

sp_configure 'show advanced options', 1;
GO
RECONFIGURE;
GO
sp_configure 'Ad Hoc Distributed Queries', 1;
GO
RECONFIGURE;
GO

Are you sure you want to use __getattribute__? What are you actually trying to achieve?

The easiest way to do what you ask is:

class D(object):
    def __init__(self):
        self.test = 20
        self.test2 = 21

    test = 0

or:

class D(object):
    def __init__(self):
        self.test = 20
        self.test2 = 21

    @property
    def test(self):
        return 0

Edit: Note that an instance of D would have different values of test in each case. In the first case d.test would be 20, in the second it would be 0. I'll leave it to you to work out why.

Edit2: Greg pointed out that example 2 will fail because the property is read only and the __init__ method tried to set it to 20. A more complete example for that would be:

class D(object):
    def __init__(self):
        self.test = 20
        self.test2 = 21

    _test = 0

    def get_test(self):
        return self._test

    def set_test(self, value):
        self._test = value

    test = property(get_test, set_test)

Obviously, as a class this is almost entirely useless, but it gives you an idea to move on from.

In my case I was missing new inside the type definition.

some-js-component.d.ts file:

import * as React from "react";

export default class SomeJSXComponent extends React.Component<any, any> {
    new (props: any, context?: any)
}

and inside the tsx file where I was trying to import the untyped component:

import SomeJSXComponent from 'some-js-component'

const NewComp = ({ asdf }: NewProps) => <SomeJSXComponent withProps={asdf} />

If appears to me that rows where Visible is set to false won't be accessible, that they are removed from the DOM rather than hidden, so I also used the Display: None approach. In my case, I wanted to have a hidden column that contained the key of the Row. To me, this declarative approach is a little cleaner than some of the other approaches that use code.

<style>
   .HiddenCol{display:none;}                
</style>


 <%--ROW ID--%>
      <asp:TemplateField HeaderText="Row ID">
       <HeaderStyle CssClass="HiddenCol" />
       <ItemTemplate>
       <asp:Label ID="lblROW_ID" runat="server" Text='<%# Bind("ROW_ID") %>'></asp:Label>
       </ItemTemplate>
       <ItemStyle HorizontalAlign="Right" CssClass="HiddenCol" />
       <EditItemTemplate>
       <asp:TextBox ID="txtROW_ID" runat="server" Text='<%# Bind("ROW_ID") %>'></asp:TextBox>
       </EditItemTemplate>
       <FooterStyle CssClass="HiddenCol" />
      </asp:TemplateField>

Allowing all certificates is very powerful but it could also be dangerous. If you would like to only allow valid certificates plus some certain certificates it could be done like this.

.Net core:

using (var httpClientHandler = new HttpClientHandler())
{
    httpClientHandler.ServerCertificateCustomValidationCallback = (message, cert, chain, sslPolicyErrors) => {
        if (sslPolicyErrors == SslPolicyErrors.None)
        {
            return true;   //Is valid
        }

        if (cert.GetCertHashString() == "99E92D8447AEF30483B1D7527812C9B7B3A915A7")
        {
            return true;
        }
        return false;
    };
    using (var httpClient = new HttpClient(httpClientHandler))
    {
        var httpResponse = httpClient.GetAsync("https://example.com").Result;
    }
}

.Net framework:

System.Net.ServicePointManager.ServerCertificateValidationCallback += delegate (
    object sender,
    X509Certificate cert,
    X509Chain chain,
    SslPolicyErrors sslPolicyErrors)
{
    if (sslPolicyErrors == SslPolicyErrors.None)
    {
        return true;   //Is valid
    }

    if (cert.GetCertHashString() == "99E92D8447AEF30483B1D7527812C9B7B3A915A7")
    {
        return true;
    }

    return false;
};

Update:

How to get cert.GetCertHashString() value in Chrome:

Click on Secure or Not Secure in the address bar.

Then click on Certificate -> Details -> Thumbprint and copy the value. Remember to do cert.GetCertHashString().ToLower().

In your css file add following.

ul{
 list-style-type: none;
}

Here's an example of getting the stack via the traceback module, and printing it:

import traceback

def f():
    g()

def g():
    for line in traceback.format_stack():
        print(line.strip())

f()

# Prints:
# File "so-stack.py", line 10, in <module>
#     f()
# File "so-stack.py", line 4, in f
#     g()
# File "so-stack.py", line 7, in g
#     for line in traceback.format_stack():

If you really only want to print the stack to stderr, you can use:

traceback.print_stack()

Or to print to stdout (useful if want to keep redirected output together), use:

traceback.print_stack(file=sys.stdout)

But getting it via traceback.format_stack() lets you do whatever you like with it.

It says “Android library projects cannot be launched” because Android library projects cannot be launched. That simple. You cannot run a library. If you want to test a library, create an Android project that uses the library, and execute it.

newdf = df.query('closing_price.mean() <= closing_price <= closing_price.std()')

or

mean = closing_price.mean()
std = closing_price.std()

newdf = df.query('@mean <= closing_price <= @std')

Note that you can also use a closure to assign the result of a switch (using early returns) to a variable:

$otherVar = (static function($value) {
    switch ($value) {
        case 0:
            return 4;
        case 1:
            return 6;
        case 2:
        case 3:
            return 5;
        default:
            return null;
    }
})($i);

Of course this way to do is obsolete as it is exactly the purpose of the new PHP 8 match function as indicated in _dom93 answer.

I also don't like using a function to handle a property which has been resolved again and again in every controller and service. Seem I'm not alone :D

Don't tried to get result with a promise as a variable, of course no way. But I found and use a solution below to access to the result as a property.

Firstly, write result to a property of your service:

app.factory('your_factory',function(){
    var theParentIdResult = null;
    var factoryReturn = {  
        theParentId: theParentIdResult,
        addSiteParentId : addSiteParentId
    };
    return factoryReturn;
    function addSiteParentId(nodeId) {   
         var theParentId = 'a';
         var parentId = relationsManagerResource.GetParentId(nodeId)
             .then(function(response){                               
                 factoryReturn.theParentIdResult = response.data;
                 console.log(theParentId);  // #1
             });                    
    }        
})

Now, we just need to ensure that method addSiteParentId always be resolved before we accessed to property theParentId. We can achieve this by using some ways.

• Use resolve in router method:

  resolve: {
      parentId: function (your_factory) {
           your_factory.addSiteParentId();
      }
  }
  

then in controller and other services used in your router, just call your_factory.theParentId to get your property. Referce here for more information: http://odetocode.com/blogs/scott/archive/2014/05/20/using-resolve-in-angularjs-routes.aspx

• Use run method of app to resolve your service.

  app.run(function (your_factory) { your_factory.addSiteParentId(); })
  

• Inject it in the first controller or services of the controller. In the controller we can call all required init services. Then all remain controllers as children of main controller can be accessed to this property normally as you want.

Chose your ways depend on your context depend on scope of your variable and reading frequency of your variable.

In Ruby, any variable whose name starts with a capital letter is a constant and you can only assign to it once. Choose one of these alternatives:

class MyClass
  MYCONSTANT = "blah"

  def mymethod
    MYCONSTANT
  end
end

class MyClass
  def mymethod
    my_constant = "blah"
  end
end

You can get the content of a MultipartFile by using the getBytes method and you can write to the file using Files.newOutputStream():

public void write(MultipartFile file, Path dir) {
    Path filepath = Paths.get(dir.toString(), file.getOriginalFilename());

    try (OutputStream os = Files.newOutputStream(filepath)) {
        os.write(file.getBytes());
    }
}

You can also use the transferTo method:

public void multipartFileToFile(
    MultipartFile multipart, 
    Path dir
) throws IOException {
    Path filepath = Paths.get(dir.toString(), multipart.getOriginalFilename());
    multipart.transferTo(filepath);
}

I found this little neat program for Windows called clumsy. It's in kind of alpha status, but it seem to work fine for me, and it's open source.

Edit: Others have noticed that you can't limit bandwidth with clumsy, and that's true. You can only add Latency and a couple of other network related errors. This will disqualify this answer as a valid answer to the question, however since I had good use for it when I wanted to simulate a bad network so I'll leave it here as long as it has > 0 votes or similar.

Actually you don't have to create an image at all. drawImage() will accept a Canvas as well as an Image object.

//grab the context from your destination canvas
var destCtx = destinationCanvas.getContext('2d');

//call its drawImage() function passing it the source canvas directly
destCtx.drawImage(sourceCanvas, 0, 0);

Way faster than using an ImageData object or Image element.

Note that sourceCanvas can be a HTMLImageElement, HTMLVideoElement, or a HTMLCanvasElement. As mentioned by Dave in a comment below this answer, you cannot use a canvas drawing context as your source. If you have a canvas drawing context instead of the canvas element it was created from, there is a reference to the original canvas element on the context under context.canvas.

Here is a jsPerf to demonstrate why this is the only right way to clone a canvas: http://jsperf.com/copying-a-canvas-element

Also if you want selected field from table and aggregated then as array .

SELECT json_agg(json_build_object('data_a',a,
                                  'data_b',b,
))  from t;

The result will come .

 [{'data_a':1,'data_b':'value1'}
  {'data_a':2,'data_b':'value2'}]

It seems that the only parameter that allows you to inject custom text is the "quote".

https://www.facebook.com/sharer/sharer.php?u=THE_URL&quote=THE_CUSTOM_TEXT

In a case statement, a , is the equivalent of || in an if statement.

case car
   when 'toyota', 'lexus'
      # code
end

Some other things you can do with a Ruby case statement

^\+[1-9]{1}[0-9]{7,11}$ 

The Regular Expression ^\+[1-9]{1}[0-9]{7,11}$ fails for "+290 8000" and similar valid numbers that are shorter than 8 digits.

The longest numbers could be something like 3 digit country code, 3 digit area code, 8 digit subscriber number, making 14 digits.

There is also some more detail on the use of <mvc:annotation-driven /> in the Spring docs. In a nutshell, <mvc:annotation-driven /> gives you greater control over the inner workings of Spring MVC. You don't need to use it unless you need one or more of the features outlined in the aforementioned section of the docs.

Also, there are other "annotation-driven" tags available to provide additional functionality in other Spring modules. For example, <transaction:annotation-driven /> enables the use of the @Transaction annotation, <task:annotation-driven /> is required for @Scheduled et al...

I tried the usual "gg=G" command, which is what I use to fix the indentation of code files. However, it didn't seem to work right on HTML files. It simply removed all the formatting.

If vim's autoformat/indent gg=G seems to be "broken" (such as left indenting every line), most likely the indent plugin is not enabled/loaded. It should really give an error message instead of just doing bad indenting, otherwise users just think the autoformat/indenting feature is awful, when it actually is pretty good.

To check if the indent plugin is enabled/loaded, run :scriptnames. See if .../indent/html.vim is in the list. If not, then that means the plugin is not loaded. In that case, add this line to ~/.vimrc:

filetype plugin indent on

Now if you open the file and run :scriptnames, you should see .../indent/html.vim. Then run gg=G, which should do the correct autoformat/indent now. (Although it won't add newlines, so if all the html code is on a single line, it won't be indented).

Note: if you are running :filetype plugin indent on on the vim command line instead of ~/.vimrc, you must re-open the file :e.

Also, you don't need to worry about autoindent and smartindent settings, they are not relevant for this.

After t.thielemans' answer, I worked that just

=VLOOKUP(A1, B:C, 2, FALSE) 

works fine and does what I wanted, except that it returns #N/A for non-matches; so it is suitable for the case where it is known that the value definitely exists in the look-up column.

Edit (based on t.thielemans' comment):

To avoid #N/A for non-matches, do:

=IFERROR(VLOOKUP(A1, B:C, 2, FALSE), "No Match")

select to_timestamp(cast(epoch_ms/1000 as bigint))::date

worked for me

I'm not fully sure that this is what you're looking for, but if your question is how to read an integer using <stdio.h>, then the proper syntax is

int myInt;
scanf("%d", &myInt);

You'll need to do a lot of error-handling to ensure that this works correctly, of course, but this should be a good start. In particular, you'll need to handle the cases where

1. The stdin file is closed or broken, so you get nothing at all.
2. The user enters something invalid.

To check for this, you can capture the return code from scanf like this:

int result = scanf("%d", &myInt);

If stdin encounters an error while reading, result will be EOF, and you can check for errors like this:

int myInt;
int result = scanf("%d", &myInt);

if (result == EOF) {
    /* ... you're not going to get any input ... */
}

If, on the other hand, the user enters something invalid, like a garbage text string, then you need to read characters out of stdin until you consume all the offending input. You can do this as follows, using the fact that scanf returns 0 if nothing was read:

int myInt;
int result = scanf("%d", &myInt);

if (result == EOF) {
    /* ... you're not going to get any input ... */
}
if (result == 0) {
    while (fgetc(stdin) != '\n') // Read until a newline is found
        ;
}

Hope this helps!

EDIT: In response to the more detailed question, here's a more appropriate answer. :-)

The problem with this code is that when you write

printf("got the number: %d", scanf("%d", &x));

This is printing the return code from scanf, which is EOF on a stream error, 0 if nothing was read, and 1 otherwise. This means that, in particular, if you enter an integer, this will always print 1 because you're printing the status code from scanf, not the number you read.

To fix this, change this to

int x;
scanf("%d", &x);
/* ... error checking as above ... */
printf("got the number: %d", x);

Hope this helps!

In my case, I was copying and pasting code from my other classes, so I did not notice that the getter code was bad written:

@OneToMany(fetch = FetchType.LAZY, mappedBy = "credito")
public Set getConceptoses() {
    return this.letrases;
}

public void setConceptoses(Set conceptoses) {
    this.conceptoses = conceptoses;
}

All references conceptoses but if you look at the get says letrases

I have been having issues connecting to a Gitolite repo using SSH from Windows and it turned out that my problem was PLINK! It kept asking me for a password, but the ssh gitolite@[host] would return the repo list fine.

Check your environment variable: GIT_SSH. If it is set to Plink, then try it without any value ("set GIT_SSH=") and see if that works.

Because JSON directly supports the \uxxxx syntax the first thing that comes into my mind is:

$unicodeChar = '\u1000';
echo json_decode('"'.$unicodeChar.'"');

Another option would be to use mb_convert_encoding()

echo mb_convert_encoding('က', 'UTF-8', 'HTML-ENTITIES');

or make use of the direct mapping between UTF-16BE (big endian) and the Unicode codepoint:

echo mb_convert_encoding("\x10\x00", 'UTF-8', 'UTF-16BE');

You can simplify this by checking the first object that is returned from JQuery like so:

if ($(".mydivclass")[0]){
    // Do something if class exists
} else {
    // Do something if class does not exist
}

In this case if there is a truthy value at the first ([0]) index, then assume class exists.

Edit 04/10/2013: I've created a jsperf test case here.

Try

https://github.com/fesh0r/fernflower

Download jar from

http://files.minecraftforge.net/maven/net/minecraftforge/fernflower/

Command :

java -jar fernflower.jar -hes=0 -hdc=0 C:\binary  C:\source

Place your jar file in folder C:\binary and source will be extracted and packed in a jar inside C:\source.

Enjoy!

To set a origins remote url-

   git remote set-url origin git://new.url.here

here origin is your push url name. You may have multiple origin. If you have multiple origin replace origin as that name.

For deleting Origin

   git remote rm origin/originName
   or
   git remote remove origin/originName

For adding new origin

   git remote add origin/originName git://new.url.here / RemoteUrl

Check for log4j configuration files in your output (i.e. bin or target/classes) directory or within generated project artifacts (.jar/.war/.ear). If this is on your classpath it gets picked up by log4j.

Try doing this, there's no special character to concatenate in bash :

mystring="${arg1}12${arg2}endoffile"

explanations

If you don't put brackets, you will ask bash to concatenate $arg112 + $argendoffile (I guess that's not what you asked) like in the following example :

mystring="$arg112$arg2endoffile"

The brackets are delimiters for the variables when needed. When not needed, you can use it or not.

another solution

$ arg1=foo
$ arg2=bar
$ mystring="$arg1"
$ mystring+="12"
$ mystring+="$arg2"
$ mystring+="endoffile"
$ echo "$mystring"
foo12barendoffile

See http://mywiki.wooledge.org/BashFAQ/013

For send parameters in url in POST method You can simply append it to url like this:

$.ajax({
    type: 'POST',
    url: 'superman?' + jQuery.param({ f1: "hello1", f2 : "hello2"}),
    // ...
}); 

"True" and "False" do not work, to disable, set to value disabled.

$('.someElement').attr('disabled', 'disabled');

To enable, remove.

$('.someElement').removeAttr('disabled');

Also, don't worry about multiple items being selected, jQuery will operate on all of them that match. If you need just one you can use many things :first, :last, nth, etc.

You are using name and not id as other mention -- remember, if you use id valid xhtml requires the ids be unique.

Check bmon. It's cli, simple and has charts.

Not exactly what question asked - it doesn't split by processes, only by network interfaces.

Let'e me give an example:

1. client connect to server, and send 1MB data to server every 1 second.

2. server side accept a connection, and then sleep 20 second, without recv msg from client.So the tcp send buffer in the client side will be full.

Code in client side:

#include <arpa/inet.h>
#include <sys/socket.h>
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#define exit_if(r, ...)                                                                          \
    if (r) {                                                                                     \
        printf(__VA_ARGS__);                                                                     \
        printf("%s:%d error no: %d error msg %s\n", __FILE__, __LINE__, errno, strerror(errno)); \
        exit(1);                                                                                 \
    }

void setNonBlock(int fd) {
    int flags = fcntl(fd, F_GETFL, 0);
    exit_if(flags < 0, "fcntl failed");
    int r = fcntl(fd, F_SETFL, flags | O_NONBLOCK);
    exit_if(r < 0, "fcntl failed");
}

void test_full_sock_buf_1(){
    short port = 8000;
    struct sockaddr_in addr;
    memset(&addr, 0, sizeof addr);
    addr.sin_family = AF_INET;
    addr.sin_port = htons(port);
    addr.sin_addr.s_addr = INADDR_ANY;


    int fd = socket(AF_INET, SOCK_STREAM, 0);
    exit_if(fd<0, "create socket error");

    int ret = connect(fd, (struct sockaddr *) &addr, sizeof(struct sockaddr));
    exit_if(ret<0, "connect to server error");
    setNonBlock(fd);

    printf("connect to server success");

    const int LEN = 1024 * 1000;
    char msg[LEN];  // 1MB data
    memset(msg, 'a', LEN);

    for (int i = 0; i < 1000; ++i) {
        int len = send(fd, msg, LEN, 0);
        printf("send: %d, erron: %d, %s \n", len, errno, strerror(errno));
        sleep(1);
    }

}

int main(){
    test_full_sock_buf_1();

    return 0;
}

Code in server side:

    #include <arpa/inet.h>
    #include <sys/socket.h>
    #include <stdio.h>
    #include <errno.h>
    #include <fcntl.h>
    #include <stdlib.h>
    #include <string.h>
    #define exit_if(r, ...)                                                                          \
        if (r) {                                                                                     \
            printf(__VA_ARGS__);                                                                     \
            printf("%s:%d error no: %d error msg %s\n", __FILE__, __LINE__, errno, strerror(errno)); \
            exit(1);                                                                                 \
        }
void test_full_sock_buf_1(){

    int listenfd = socket(AF_INET, SOCK_STREAM, 0);
    exit_if(listenfd<0, "create socket error");

    short port = 8000;
    struct sockaddr_in addr;
    memset(&addr, 0, sizeof addr);
    addr.sin_family = AF_INET;
    addr.sin_port = htons(port);
    addr.sin_addr.s_addr = INADDR_ANY;

    int r = ::bind(listenfd, (struct sockaddr *) &addr, sizeof(struct sockaddr));
    exit_if(r<0, "bind socket error");

    r = listen(listenfd, 100);
    exit_if(r<0, "listen socket error");

    struct sockaddr_in raddr;
    socklen_t rsz = sizeof(raddr);
    int cfd = accept(listenfd, (struct sockaddr *) &raddr, &rsz);
    exit_if(cfd<0, "accept socket error");

    sockaddr_in peer;
    socklen_t alen = sizeof(peer);
    getpeername(cfd, (sockaddr *) &peer, &alen);

    printf("accept a connection from %s:%d\n", inet_ntoa(peer.sin_addr), ntohs(peer.sin_port));

    printf("but now I will sleep 15 second, then exit");
    sleep(15);
}

Start server side, then start client side.

server side may output:

accept a connection from 127.0.0.1:35764
but now I will sleep 15 second, then exit
Process finished with exit code 0

client side may output:

connect to server successsend: 1024000, erron: 0, Success 
send: 1024000, erron: 0, Success 
send: 1024000, erron: 0, Success 
send: 552190, erron: 0, Success 
send: -1, erron: 11, Resource temporarily unavailable 
send: -1, erron: 11, Resource temporarily unavailable 
send: -1, erron: 11, Resource temporarily unavailable 
send: -1, erron: 11, Resource temporarily unavailable 
send: -1, erron: 11, Resource temporarily unavailable 
send: -1, erron: 11, Resource temporarily unavailable 
send: -1, erron: 11, Resource temporarily unavailable 
send: -1, erron: 11, Resource temporarily unavailable 
send: -1, erron: 11, Resource temporarily unavailable 
send: -1, erron: 11, Resource temporarily unavailable 
send: -1, erron: 11, Resource temporarily unavailable 
send: -1, erron: 104, Connection reset by peer 
send: -1, erron: 32, Broken pipe 
send: -1, erron: 32, Broken pipe 
send: -1, erron: 32, Broken pipe 
send: -1, erron: 32, Broken pipe 
send: -1, erron: 32, Broken pipe 

You can see, as the server side doesn't recv the data from client, so when the client side tcp buffer get full, but you still send data, so you may get Resource temporarily unavailable error.

DateTime tomorrow = DateTime.Today.AddDays(1);
DateTime yesterday = DateTime.Today.AddDays(-1);

Just use <script src="modernizr.js"></script> in the <head> section, and the script will add classes which help you to separate the two cases: if it's supported by the current browser, or if it's not.

Plus follow the links posted in this thread. It will help you: HTML5 input type date, color, range support in Firefox and Internet Explorer

Check out Setting Up Google Play Services which says:

To develop an app using the Google Play services APIs, you need to set up your project with the Google Play services SDK.

If you haven't installed the Google Play services SDK yet, go get it now by following the guide to Adding SDK Packages.

To test your app when using the Google Play services SDK, you must use either:

• A compatible Android device that runs Android 2.3 or higher and includes Google Play Store.
• The Android emulator with an AVD that runs the Google APIs platform based on Android 4.2.2 or higher.

For each error of the form:

npm WARN {something} requires a peer of {other thing} but none is installed. You must install peer dependencies yourself.

You should:

$ npm install --save-dev "{other thing}"

Note: The quotes are needed if the {other thing} has spaces, like in this example:

npm WARN [email protected] requires a peer of rollup@>=0.66.0 <2 but none was installed.

Resolved with:

$ npm install --save-dev "rollup@>=0.66.0 <2"