Looking for EventHandling, ActionListener?

or code?

JButton b = new JButton("Clear");
b.addActionListener(new ActionListener(){
    public void actionPerformed(ActionEvent e){
        textfield.setText("");
        //textfield.setText(null); //or use this
    }
});

Also See
How to Use Buttons

in a Visual Basic Macro you would use

pName = ActiveWorkbook.Path      ' the path of the currently active file
wbName = ActiveWorkbook.Name     ' the file name of the currently active file
shtName = ActiveSheet.Name       ' the name of the currently selected worksheet

The first sheet in a workbook can be referenced by

ActiveWorkbook.Worksheets(1)

so after deleting the [Report] tab you would use

ActiveWorkbook.Worksheets("Report").Delete
shtName = ActiveWorkbook.Worksheets(1).Name

to "work on that sheet later on" you can create a range object like

Dim MySheet as Range
MySheet = ActiveWorkbook.Worksheets(shtName).[A1]

and continue working on MySheet(rowNum, colNum) etc. ...

shortcut creation of a range object without defining shtName:

Dim MySheet as Range
MySheet = ActiveWorkbook.Worksheets(1).[A1]

I had a similar problem. Data in a worksheet I needed to save as a separate CSV file.

Here's my code behind a command button

Private Sub cmdSave()
    Dim sFileName As String
    Dim WB As Workbook

    Application.DisplayAlerts = False

    sFileName = "MyFileName.csv"
    'Copy the contents of required sheet ready to paste into the new CSV
    Sheets(1).Range("A1:T85").Copy 'Define your own range

    'Open a new XLS workbook, save it as the file name
    Set WB = Workbooks.Add
    With WB
        .Title = "MyTitle"
        .Subject = "MySubject"
        .Sheets(1).Select
        ActiveSheet.Paste
        .SaveAs "MyDirectory\" & sFileName, xlCSV
        .Close
    End With

    Application.DisplayAlerts = True
End Sub

This works for me :-)

Same problem, not sure why it occurred only after upgrading from Spring v3.2.x to v4.2.x.

Solved it by doing the following:

1. Clear all eclipse files [.classpath, .project, .settings/].
2. Perform >mvn eclipse:eclipse
3. Perform eclipse>project>properties>deployment assembly add [referenced projects, additional classpaths].

Publish and Start the module in Tomcat tab, it now starts properly.

Simplest way using Jquery

Just add this:

<script src="https://cdn.jsdelivr.net/gh/linways/[email protected]/dist/tableToExcel.js"></script>

Then add Jquery script:

<script type="text/javascript">
  $(document).ready(function () {
      $("#exportBtn1").click(function(){
        TableToExcel.convert(document.getElementById("tab1"), {
            name: "Traceability.xlsx",
            sheet: {
            name: "Sheet1"
            }
          });
        });
  });
</script>

Then add HTML button:

<button id="exportBtn1">Export To Excel</button><br><br>

Note: "exportBtn1" will be button ID and "tab1" will be table ID

you can include @ in a 'scriptBlock' like this:

@(
  echo don't echoed
  hostname
)
echo echoed

and especially do not do that :)

for %%a in ("@") do %%~aecho %%~a

To pre-populate date, first you have to initialise datepicker, then pass setDate parameter value.

$("#date_pretty").datepicker().datepicker("setDate", new Date());

The pointer-events could be useful for this problem as you would be able to put a div over the arrow button, but still be able to click the arrow button.

The pointer-events css makes it possible to click through a div.

This approach will not work for IE versions older than IE11, however. You could something working in IE8 and IE9 if the element you put on top of the arrow button is an SVG element, but it will be more complicated to style the button the way you want proceeding like this.

Here a Js fiddle example: http://jsfiddle.net/e7qnqzx6/2/

use this code:

import pandas as pd
from datetime import datetime
print(pd.DatetimeIndex(df['give_date']).day)

Non-recursively List Only Directories

The only question that direct asked this has been erroneously closed, so I have to put it here.

It also gives the ability to filter directories.

/**
 * Copyright © 2020 Theodore R. Smith <https://www.phpexperts.pro/>
 * License: MIT
 *
 * @see https://stackoverflow.com/a/61168906/430062
 *
 * @param string $path
 * @param bool   $recursive Default: false
 * @param array  $filtered  Default: [., ..]
 * @return array
 */
function getDirs($path, $recursive = false, array $filtered = [])
{
    if (!is_dir($path)) {
        throw new RuntimeException("$path does not exist.");
    }

    $filtered += ['.', '..'];

    $dirs = [];
    $d = dir($path);
    while (($entry = $d->read()) !== false) {
        if (is_dir("$path/$entry") && !in_array($entry, $filtered)) {
            $dirs[] = $entry;

            if ($recursive) {
                $newDirs = getDirs("$path/$entry");
                foreach ($newDirs as $newDir) {
                    $dirs[] = "$entry/$newDir";
                }
            }
        }
    }

    return $dirs;
}

to use any shape in You'r Button make sure you perform all the code inside Button widget

 **shape: RoundedRectangleBorder(
        borderRadius: new BorderRadius.circular(18.0),
        side: BorderSide(color: Colors.red) ),**

if you want make it Square used ` BorderRadius.circular(0.0), it automatically make into Square

the button like this`

Here is the all source code for the give UI Screen

 Scaffold(
    backgroundColor: Color(0xFF8E44AD),
    body: new Center(
      child: Column(
        children: <Widget>[
          Container(
            margin: EdgeInsets.fromLTRB(90, 10, 20, 0),
            padding: new EdgeInsets.only(top: 92.0),
            child: Text(
              "Currency Converter",
              style: TextStyle(
                fontSize: 48,
                fontWeight: FontWeight.bold,
                color: Colors.white,
              ),
            ),
          ),
          Container(
            margin: EdgeInsets.only(),
            padding: EdgeInsets.all(25),
            child: TextFormField(
              decoration: new InputDecoration(
                filled: true,
                fillColor: Colors.white,
                labelText: "Amount",
                border: OutlineInputBorder(
                  borderRadius: BorderRadius.circular(10),
                ),
              ),
            ),
          ),
          Container(
            padding: EdgeInsets.all(25),
            child: TextFormField(
              decoration: new InputDecoration(
                filled: true,
                fillColor: Colors.white,
                labelText: "From",
                border: OutlineInputBorder(
                  borderRadius: BorderRadius.circular(10),
                ),
              ),
            ),
          ),
          Container(
            padding: EdgeInsets.all(25),
            child: TextFormField(
              decoration: new InputDecoration(
                  filled: true,
                  fillColor: Colors.white,
                  labelText: "To",
                  border: OutlineInputBorder(
                    borderRadius: BorderRadius.circular(10),
                  )),
            ),
          ),
          SizedBox(height: 20.0),
          MaterialButton(
            height: 58,
            minWidth: 340,
            shape: RoundedRectangleBorder(
                borderRadius: new BorderRadius.circular(12)),
            onPressed: () {},
            child: Text(
              "CONVERT",
              style: TextStyle(
                fontSize: 24,
                color: Colors.black,
              ),
            ),
            color: Color(0xFFF7CA18),
          ),
        ],
      ),
    ),
  ),
);

Where do these characters occur? Do you see them if you examine the XML data in, say, notepad? Or do you see them when examining the XML data in the debugger. If it is the latter, they are only escape characters for the " characters, and so part of the actual XML data.

Avoid nullable unique constraints. You can always put the column in a new table, make it non-null and unique and then populate that table only when you have a value for it. This ensures that any key dependency on the column can be correctly enforced and avoids any problems that could be caused by nulls.

Please see @jlareau answer here: https://stackoverflow.com/questions/11534710/angularjs-how-to-use-routeparams-in-generating-the-templateurl

You can use a function to generate the template string:

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

app.config(
    function($routeProvider) {
        $routeProvider.
            when('/', {templateUrl:'/home'}).
            when('/users/:user_id', 
                {   
                    controller:UserView, 
                    templateUrl: function(params){ return '/users/view/' + params.user_id;   }
                }
            ).
            otherwise({redirectTo:'/'});
    }
);

Included page:

<!-- opening and closing tags of included page -->
<ui:composition ...>
</ui:composition>

Including page:

<!--the inclusion line in the including page with the content-->
<ui:include src="yourFile.xhtml"/>

• You start your included xhtml file with ui:composition as shown above.
• You include that file with ui:include in the including xhtml file as also shown above.

I use DataBinding for this (with Kotlin).

Set up BindingAdapter:

BindingAdapter.kt

import android.graphics.Typeface
import android.view.View
import android.view.ViewGroup
import android.widget.TextView
import androidx.databinding.BindingAdapter
import java.util.*


object BindingAdapters {


    @JvmStatic
    @BindingAdapter("typeface", "typefaceStyle")
    fun setTypeface(v: TextView, tf: Typeface?, style: Int?) {
        v.setTypeface(tf ?: Typeface.DEFAULT, style ?: Typeface.NORMAL)
    }
}

Usage:

fragment_custom_view.xml

<layout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools">

    <data>

        <import type="android.graphics.Typeface" />

        <variable
            name="typeface"
            type="android.graphics.Typeface" />

    </data>


    <TextView
        android:id="@+id/reference"
        style="@style/TextAppearance.MaterialComponents.Body1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="I'm formatted text"
        app:typeface="@{typeface}"
        app:typefaceStyle="@{Typeface.ITALIC}" />

</layout>

MyFragment.kt

override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        binding = FragmentCustomView.bind(view)
        binding.typeface = // some code to get user selected typeface

}

Now, if the user selects a new typeface you can just update the binding value and all your TextViews that you've set app:typeface will get updated.

Rather than developing your own PID file solution (which has more subtleties and corner cases than you might think), have a look at supervisord -- this is a process control system that makes it easy to wrap job control and daemon behaviors around an existing Python script.

Use the Chr or ChrW function, Chr(charNumber).

Your branch should include the latest merged changes as soon as you notice them, but you haven't pulled the latest changes.

git fetch 

might be all that is needed. If that doesn't work, then you might need to:

git pull <sharedRepo> <branch> --rebase

If you don't have any merge conflicts, you should be able to push your changes successfully.

git push <forkedRepo> <branch>

If you encounter merge conflicts, you cannot solve them remotely in GitHub. You have to solve them locally and then push the resolutions with a force label because a merge conflict resolution changes history.

git push <forkedRepo> <branch> -f

How can I push my tag to the remote repository so that all client computers can see it?

Run this to push mytag to your git origin (eg: GitHub or GitLab)

git push origin refs/tags/mytag

It's better to use the full "refspec" as shown above (literally refs/tags/mytag) just in-case mytag is actually v1.0.0 and is ambiguous (eg: because there's a branch also named v1.0.0).

There is no simple way to achieves this directly. But P99 has macros that allow you to create such type of function automatically:

 P99_DECLARE_ENUM(color, red, green, blue);

in a header file, and

 P99_DEFINE_ENUM(color);

in one compilation unit (.c file) should then do the trick, in that example the function then would be called color_getname.

Simply, to enforce JAVA version to Ant in Eclipse:

Use RunAs option on Ant file then select External Tool Configuration in JRE tab define your JDK/JRE version you want to use.

To change the Prevent saving changes that require the table re-creation option, follow these steps:

Open SQL Server Management Studio (SSMS). On the Tools menu, click Options.

In the navigation pane of the Options window, click Designers.

Select or clear the Prevent saving changes that require the table re-creation check box, and then click OK.

Note: If you disable this option, you are not warned when you save the table that the changes that you made have changed the metadata structure of the table. In this case, data loss may occur when you save the table.

I encountered a similar error. The mistake I made was to use the "controller" name as "Pages" instead of "pages" in my url.

Your code should be:

    public class Project extends Activity implements OnClickListener {
            /** Called when the activity is first created. */
            EditText editText;
            @Override
            public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);            

                setContentView(R.layout.main);
                editText = (EditText)findViewById(R.id.editText1);
                editText.setOnClickListener(this);            
            }

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub

                if(v == editText) {
                    editText.setText("");
                }
            }
        }

You can use:

set content=
for /f "delims=" %%i in ('type text.txt') do set content=!content! %%i

It is good that you've found your solution. But it is an interesting problem. I tried it out myself directly with sqlite3 (not going through rails) and did not get the same result, for me the order came out as expected.

What I suggest you to do if you want to continue digging in this problem is to start the sqlite3 command-line application and check the schema and the queries there:

This shows you the schema: .schema

And then just run the select statement as it showed up in the log files: SELECT * FROM "shows" ORDER BY date ASC, attending DESC

That way you see if:

1. The schema looks as you want it (that date is actually a date for instance)
2. That the date column actually contains a date, and not a timestamp (that is, that you don't have a time of the day that messes up the sort)

This that only requires javascript and appears a little more readable than other answers. (I assume when you write 'value' you mean 'id')

//your code
var countries = {};

countries.results = [
    {id:'AF',name:'Afghanistan'},
    {id:'AL',name:'Albania'},
    {id:'DZ',name:'Algeria'}
];
// solution:
//function to remove a value from the json array
function removeItem(obj, prop, val) {
    var c, found=false;
    for(c in obj) {
        if(obj[c][prop] == val) {
            found=true;
            break;
        }
    }
    if(found){
        delete obj[c];
    }
}
//example: call the 'remove' function to remove an item by id.
removeItem(countries.results,'id','AF');

//example2: call the 'remove' function to remove an item by name.
removeItem(countries.results,'name','Albania');

// print our result to console to check it works !
for(c in countries.results) {
    console.log(countries.results[c].id);
}

The server directive has to be in the http directive. It should not be outside of it.

Incase if you need detailed information, refer this.

I try to download a CSV file and then do something after download has finished. So I need to implement an appropriate callback function.

Using window.location="..." is not a good idea because I cannot operate the program after finishing download. Something like this, change header so it is not a good idea.

fetch is a good alternative however it cannot support IE 11. And window.URL.createObjectURL cannot support IE 11.You can refer this.

This is my code, it is similar to the code of Shahrukh Alam. But you should take care that window.URL.createObjectURL maybe create memory leaks. You can refer this. When response has arrived, data will be stored into memory of browser. So before you click a link, the file has been downloaded. It means that you can do anything after download.

$.ajax({
    url: 'your download url',
    type: 'GET',
}).done(function (data, textStatus, request) {
    // csv => Blob
    var blob = new Blob([data]);

    // the file name from server.
    var fileName = request.getResponseHeader('fileName');

    if (window.navigator && window.navigator.msSaveOrOpenBlob) { // for IE
    window.navigator.msSaveOrOpenBlob(blob, fileName);
    } else { // for others
    var url = window.URL.createObjectURL(blob);
    const a = document.createElement('a');
    a.style.display = 'none';
    a.href = url;
    a.download = fileName;
    document.body.appendChild(a);
    a.click();
    window.URL.revokeObjectURL(url);

    //Do something after download 
    ...

    }
}).then(after_download)
}

Update: This answer may be incorrect or out of date. Please see comments for details.

I switched from @Inject to @EJB because @EJB allows circular injection whereas @Inject pukes on it.

Details: I needed @PostConstruct to call an @Asynchronous method but it would do so synchronously. The only way to make the asynchronous call was to have the original call a method of another bean and have it call back the method of the original bean. To do this each bean needed a reference to the other -- thus circular. @Inject failed for this task whereas @EJB worked.

If you want vertical spacing between elements, use a margin.

Don't add extra elements if you don't need to.

You can use sudo ip link delete to remove the interface.

You can try:

echo "USERNAME:NEWPASSWORD" | chpasswd

var key = "Name_radio";
var val = "value_radio";
var rdo = $('*[name="' + key + '"]');
if (rdo.attr('type') == "radio") {
 $.each(rdo, function (keyT, valT){
   if ((valT.value == $.trim(val)) && ($.trim(val) != '') && ($.trim(val) != null))

   {
     $('*[name="' + key + '"][value="' + (val) + '"]').prop('checked', true);
   }
  })
}

It is as easy as specifying a padding bottom the same size as the width in percent. So if you have a width of 50%, just use this example below

id or class{
    width: 50%;
    padding-bottom: 50%;
}

Here is a jsfiddle http://jsfiddle.net/kJL3u/2/

Edited version with responsive text: http://jsfiddle.net/kJL3u/394

Yes, you just need to add a parenthesis :

SELECT col1 as a, (CASE WHEN a = 'test' THEN 'yes' END) as value FROM table;

In this state:

The thread is reading and processing rows for a SELECT statement, and sending data to the client.

Because operations occurring during this this state tend to perform large amounts of disk access (reads).

That's why it takes more time to complete and so is the longest-running state over the lifetime of a given query.

Assuming you really mean easiest and are not necessarily looking for a way to do this programmatically, you can do this:

1. Add, if not already there, a row of "column Musicians" to the spreadsheet. That is, if you have data in columns such as:

   Rory Gallagher      Guitar
   Gerry McAvoy        Bass
   Rod de'Ath          Drums
   Lou Martin          Keyboards
   Donkey Kong Sioux   Self-Appointed Semi-official Stomper
   

   Note: you might want to add "Musician" and "Instrument" in row 0 (you might have to insert a row there)

2. Save the file as a CSV file.

3. Copy the contents of the CSV file to the clipboard

4. Go to http://www.convertcsv.com/csv-to-json.htm

5. Verify that the "First row is column names" checkbox is checked

6. Paste the CSV data into the content area

7. Mash the "Convert CSV to JSON" button

   With the data shown above, you will now have:

   [
     {
       "MUSICIAN":"Rory Gallagher",
       "INSTRUMENT":"Guitar"
     },
     {
       "MUSICIAN":"Gerry McAvoy",
       "INSTRUMENT":"Bass"
     },
     {
       "MUSICIAN":"Rod D'Ath",
       "INSTRUMENT":"Drums"
     },
     {
       "MUSICIAN":"Lou Martin",
       "INSTRUMENT":"Keyboards"
     }
     {
       "MUSICIAN":"Donkey Kong Sioux",
       "INSTRUMENT":"Self-Appointed Semi-Official Stomper"
     }
   ]
   

   With this simple/minimalistic data, it's probably not required, but with large sets of data, it can save you time and headache in the proverbial long run by checking this data for aberrations and abnormalcy.

8. Go here: http://jsonlint.com/

9. Paste the JSON into the content area

10. Pres the "Validate" button.

If the JSON is good, you will see a "Valid JSON" remark in the Results section below; if not, it will tell you where the problem[s] lie so that you can fix it/them.

The solution is to add height:100%; to all the parent elements of your .wrapper-div as well. So:

html{
    height: 100%;
}

body{ 
    margin:0;
    padding:0;
    overflow:hidden;
    height:100%;
}

#container{
    width:1000px;
    margin:0 auto;
    height:100%;
}

Unfortunately, I don't think Pandas allows one to drop dups off the indices. I would suggest the following:

df3 = df3.reset_index() # makes date column part of your data
df3.columns = ['timestamp','A','B','rownum'] # set names
df3 = df3.drop_duplicates('timestamp',take_last=True).set_index('timestamp') #done!

I had the same problem and the issue was that I had a 32 bit version of Eclipse running on my 64 bit machine and it wanted the 32 bit version of JRE.

I changed Program Files to Program Files (x86) in the eclipse.ini file like so:

-VM
C:Program Files (x86)\Java\jre6\bin

and that solved the problem.

You may want to just install the 64 bit Eclipse, but this will take care of the error.

just do:

type version.txt

and it will be displayed as if you typed:

set /p Build=<version.txt
echo %Build%

Spread Syntax (ES6)

To whoever needs it...

To complete @Koen answer in this thread, in case you want to remove dynamic variable using the spread syntax, you can do it like so:

const key = 'a';_x000D_
        _x000D_
const { [key]: foo, ...rest } = { a: 1, b: 2, c: 3 };_x000D_
_x000D_
console.log(foo);  // 1_x000D_
console.log(rest); // { b: 2, c: 3 }

* foo will be a new variable with the value of a (which is 1).

EXTENDED ANSWER
There are few common ways to remove a property from an object.
Each one has it's own pros and cons (check this performance comparison):

Delete Operator
Readable and short, however, it might not be the best choice if you are operating on a large number of objects as its performance is not optimized.

delete obj[key];

Reassignment
More than 2X faster than delete, however the property is not deleted and can be iterated.

obj[key] = null;
obj[key] = false;
obj[key] = undefined;

Spread Operator
This ES6 operator allows us to return a brand new object, excluding any properties, without mutating the existing object. The downside is that it has the worse performance out of the above and not suggested to be used when you need to remove many properties at a time.

{ [key]: val, ...rest } = obj;

Just a basic example:

RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.ALIGN_PARENT_LEFT, RelativeLayout.TRUE);
Button button1;
button1.setLayoutParams(params);

params = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.RIGHT_OF, button1.getId());
Button button2;
button2.setLayoutParams(params);

As you can see, this is what you have to do:

1. Create a RelativeLayout.LayoutParams object.
2. Use addRule(int) or addRule(int, int) to set the rules. The first method is used to add rules that don't require values.
3. Set the parameters to the view (in this case, to each button).

Command works only if "use" -command has been first used to define the database where working in. Table column renaming syntax using DATABASE.TABLE throws error and does not work. Version: HIVE 0.12.

EXAMPLE:

hive> ALTER TABLE databasename.tablename CHANGE old_column_name new_column_name;

  MismatchedTokenException(49!=90)
        at org.antlr.runtime.BaseRecognizer.recoverFromMismatchedToken(BaseRecognizer.java:617)
        at org.antlr.runtime.BaseRecognizer.match(BaseRecognizer.java:115)
        at org.apache.hadoop.hive.ql.parse.HiveParser.alterStatementSuffixExchangePartition(HiveParser.java:11492)
        ...

hive> use databasename;

hive> ALTER TABLE tablename CHANGE old_column_name new_column_name;

OK

Description:

there are 3 steps to run PHP code inside post or page.

1. In functions.php file (in your theme) add new function

2. In functions.php file (in your theme) register new shortcode which call your function:

add_shortcode( 'SHORCODE_NAME', 'FUNCTION_NAME' );

3. use your new shortcode

Example #1: just display text.

In functions:

function simple_function_1() {
    return "Hello World!";
}

add_shortcode( 'own_shortcode1', 'simple_function_1' );

In post/page:

[own_shortcode1]

Effect:

Hello World!

Example #2: use for loop.

In functions:

function simple_function_2() {
    $output = "";
    
    for ($number = 1; $number < 10; $number++) {    
        // Append numbers to the string
        $output .= "$number<br>";
    } 
    
    return "$output";
}

add_shortcode( 'own_shortcode2', 'simple_function_2' );

In post/page:

[own_shortcode2]

Effect:

1
2
3
4
5
6
7
8
9

Example #3: use shortcode with arguments

In functions:

function simple_function_3($name) {
    return "Hello $name";
}

add_shortcode( 'own_shortcode3', 'simple_function_3' );

In post/page:

[own_shortcode3 name="John"]

Effect:

Hello John

Example #3 - without passing arguments

In post/page:

[own_shortcode3]

Effect:

Hello 

Add this to the stylesheet:

table {
  border-collapse: collapse;
}

JSFiddle.

The reason why it behaves this way is actually described pretty well in the specification:

There are two distinct models for setting borders on table cells in CSS. One is most suitable for so-called separated borders around individual cells, the other is suitable for borders that are continuous from one end of the table to the other.

... and later, for collapse setting:

In the collapsing border model, it is possible to specify borders that surround all or part of a cell, row, row group, column, and column group.

In short, Passed by value is WHAT it is and passed by reference is WHERE it is.

If your value is VAR1 = "Happy Guy!", you will only see "Happy Guy!". If VAR1 changes to "Happy Gal!", you won't know that. If it's passed by reference, and VAR1 changes, you will.

Class Password full code:

Class Password {

    public function __construct() {}


    /**
     * Hash the password using the specified algorithm
     *
     * @param string $password The password to hash
     * @param int    $algo     The algorithm to use (Defined by PASSWORD_* constants)
     * @param array  $options  The options for the algorithm to use
     *
     * @return string|false The hashed password, or false on error.
     */
    function password_hash($password, $algo, array $options = array()) {
        if (!function_exists('crypt')) {
            trigger_error("Crypt must be loaded for password_hash to function", E_USER_WARNING);
            return null;
        }
        if (!is_string($password)) {
            trigger_error("password_hash(): Password must be a string", E_USER_WARNING);
            return null;
        }
        if (!is_int($algo)) {
            trigger_error("password_hash() expects parameter 2 to be long, " . gettype($algo) . " given", E_USER_WARNING);
            return null;
        }
        switch ($algo) {
            case PASSWORD_BCRYPT :
                // Note that this is a C constant, but not exposed to PHP, so we don't define it here.
                $cost = 10;
                if (isset($options['cost'])) {
                    $cost = $options['cost'];
                    if ($cost < 4 || $cost > 31) {
                        trigger_error(sprintf("password_hash(): Invalid bcrypt cost parameter specified: %d", $cost), E_USER_WARNING);
                        return null;
                    }
                }
                // The length of salt to generate
                $raw_salt_len = 16;
                // The length required in the final serialization
                $required_salt_len = 22;
                $hash_format = sprintf("$2y$%02d$", $cost);
                break;
            default :
                trigger_error(sprintf("password_hash(): Unknown password hashing algorithm: %s", $algo), E_USER_WARNING);
                return null;
        }
        if (isset($options['salt'])) {
            switch (gettype($options['salt'])) {
                case 'NULL' :
                case 'boolean' :
                case 'integer' :
                case 'double' :
                case 'string' :
                    $salt = (string)$options['salt'];
                    break;
                case 'object' :
                    if (method_exists($options['salt'], '__tostring')) {
                        $salt = (string)$options['salt'];
                        break;
                    }
                case 'array' :
                case 'resource' :
                default :
                    trigger_error('password_hash(): Non-string salt parameter supplied', E_USER_WARNING);
                    return null;
            }
            if (strlen($salt) < $required_salt_len) {
                trigger_error(sprintf("password_hash(): Provided salt is too short: %d expecting %d", strlen($salt), $required_salt_len), E_USER_WARNING);
                return null;
            } elseif (0 == preg_match('#^[a-zA-Z0-9./]+$#D', $salt)) {
                $salt = str_replace('+', '.', base64_encode($salt));
            }
        } else {
            $salt = str_replace('+', '.', base64_encode($this->generate_entropy($required_salt_len)));
        }
        $salt = substr($salt, 0, $required_salt_len);

        $hash = $hash_format . $salt;

        $ret = crypt($password, $hash);

        if (!is_string($ret) || strlen($ret) <= 13) {
            return false;
        }

        return $ret;
    }


    /**
     * Generates Entropy using the safest available method, falling back to less preferred methods depending on support
     *
     * @param int $bytes
     *
     * @return string Returns raw bytes
     */
    function generate_entropy($bytes){
        $buffer = '';
        $buffer_valid = false;
        if (function_exists('mcrypt_create_iv') && !defined('PHALANGER')) {
            $buffer = mcrypt_create_iv($bytes, MCRYPT_DEV_URANDOM);
            if ($buffer) {
                $buffer_valid = true;
            }
        }
        if (!$buffer_valid && function_exists('openssl_random_pseudo_bytes')) {
            $buffer = openssl_random_pseudo_bytes($bytes);
            if ($buffer) {
                $buffer_valid = true;
            }
        }
        if (!$buffer_valid && is_readable('/dev/urandom')) {
            $f = fopen('/dev/urandom', 'r');
            $read = strlen($buffer);
            while ($read < $bytes) {
                $buffer .= fread($f, $bytes - $read);
                $read = strlen($buffer);
            }
            fclose($f);
            if ($read >= $bytes) {
                $buffer_valid = true;
            }
        }
        if (!$buffer_valid || strlen($buffer) < $bytes) {
            $bl = strlen($buffer);
            for ($i = 0; $i < $bytes; $i++) {
                if ($i < $bl) {
                    $buffer[$i] = $buffer[$i] ^ chr(mt_rand(0, 255));
                } else {
                    $buffer .= chr(mt_rand(0, 255));
                }
            }
        }
        return $buffer;
    }

    /**
     * Get information about the password hash. Returns an array of the information
     * that was used to generate the password hash.
     *
     * array(
     *    'algo' => 1,
     *    'algoName' => 'bcrypt',
     *    'options' => array(
     *        'cost' => 10,
     *    ),
     * )
     *
     * @param string $hash The password hash to extract info from
     *
     * @return array The array of information about the hash.
     */
    function password_get_info($hash) {
        $return = array('algo' => 0, 'algoName' => 'unknown', 'options' => array(), );
        if (substr($hash, 0, 4) == '$2y$' && strlen($hash) == 60) {
            $return['algo'] = PASSWORD_BCRYPT;
            $return['algoName'] = 'bcrypt';
            list($cost) = sscanf($hash, "$2y$%d$");
            $return['options']['cost'] = $cost;
        }
        return $return;
    }

    /**
     * Determine if the password hash needs to be rehashed according to the options provided
     *
     * If the answer is true, after validating the password using password_verify, rehash it.
     *
     * @param string $hash    The hash to test
     * @param int    $algo    The algorithm used for new password hashes
     * @param array  $options The options array passed to password_hash
     *
     * @return boolean True if the password needs to be rehashed.
     */
    function password_needs_rehash($hash, $algo, array $options = array()) {
        $info = password_get_info($hash);
        if ($info['algo'] != $algo) {
            return true;
        }
        switch ($algo) {
            case PASSWORD_BCRYPT :
                $cost = isset($options['cost']) ? $options['cost'] : 10;
                if ($cost != $info['options']['cost']) {
                    return true;
                }
                break;
        }
        return false;
    }

    /**
     * Verify a password against a hash using a timing attack resistant approach
     *
     * @param string $password The password to verify
     * @param string $hash     The hash to verify against
     *
     * @return boolean If the password matches the hash
     */
    public function password_verify($password, $hash) {
        if (!function_exists('crypt')) {
            trigger_error("Crypt must be loaded for password_verify to function", E_USER_WARNING);
            return false;
        }
        $ret = crypt($password, $hash);
        if (!is_string($ret) || strlen($ret) != strlen($hash) || strlen($ret) <= 13) {
            return false;
        }

        $status = 0;
        for ($i = 0; $i < strlen($ret); $i++) {
            $status |= (ord($ret[$i]) ^ ord($hash[$i]));
        }

        return $status === 0;
    }

}

try this code below :

var currentLocation = document.location;
muzLoc = String(currentLocation).substring(0,45);
prodLoc = String(currentLocation).substring(0,48); 
techLoc = String(currentLocation).substring(0,47);

I hope to give a really short answer:

seed make (the next series) random numbers predictable. You can think every time after you call seed, it pre-defines series numbers and numpy random keeps the iterator of it, then every time you get a random number it just gonna call get next.

e.g.:

np.random.seed(2)
np.random.randn(2) # array([-0.41675785, -0.05626683])
np.random.randn(1) # array([-1.24528809])

np.random.seed(2)
np.random.randn(1) # array([-0.41675785])
np.random.randn(2) # array([-0.05626683, -1.24528809])

You can notice when I set the same seed, no matter how many random number you request from numpy each time, it always gives the same series of numbers, in this case which is array([-0.41675785, -0.05626683, -1.24528809]).

You may need to call conn.recv() multiple times to receive all the data. Calling it a single time is not guaranteed to bring in all the data that was sent, due to the fact that TCP streams don't maintain frame boundaries (i.e. they only work as a stream of raw bytes, not a structured stream of messages).

See this answer for another description of the issue.

Note that this means you need some way of knowing when you have received all of the data. If the sender will always send exactly 8000 bytes, you could count the number of bytes you have received so far and subtract that from 8000 to know how many are left to receive; if the data is variable-sized, there are various other methods that can be used, such as having the sender send a number-of-bytes header before sending the message, or if it's ASCII text that is being sent you could look for a newline or NUL character.

You have to ask users to store the 11 character code from the youtube video.

For e.g. http://www.youtube.com/watch?v=Ahg6qcgoay4

The eleven character code is : Ahg6qcgoay4

You then take this code and place it in your database. Then wherever you want to place the youtube video in your page, load the character from the database and put the following code:-

e.g. for Ahg6qcgoay4 it will be :

<object width="425" height="350" data="http://www.youtube.com/v/Ahg6qcgoay4" type="application/x-shockwave-flash"><param name="src" value="http://www.youtube.com/v/Ahg6qcgoay4" /></object>

Correct me if I'm wrong

  nohup myprocess.out &

nohup catches the hangup signal, which mean it will send a process when terminal closed.

 myprocess.out &

Process can run but will stopped once the terminal is closed.

nohup myprocess.out

Process able to run even terminal closed, but you are able to stop the process by pressing ctrl + z in terminal. Crt +z not working if & is existing.

You can create a temp table variable and insert the data into it, then insert the data into your actual table by selecting it from the temp table.

 declare @TableVar table 
 (
    firstCol varchar(50) NOT NULL,
    secondCol varchar(50) NOT NULL
 )

BULK INSERT @TableVar FROM 'PathToCSVFile' WITH (FIELDTERMINATOR = ',', ROWTERMINATOR = '\n')
GO

INSERT INTO dbo.ExistingTable
(
    firstCol,
    secondCol
)
SELECT firstCol,
       secondCol
FROM @TableVar

GO

If it is the basic JavaScript split function, look at documentation, JavaScript split() Method.

Basically, you just do this:

var array = myString.split(' -- ')

Then your two values are stored in the array - you can get the values like this:

var firstValue = array[0];
var secondValue = array[1];

There is a step by step explanation (with pictures) available @ Restore DataBase

1. Click Start, select All Programs, click Microsoft SQL Server 2008 and select SQL Server Management Studio.
   This will bring up the Connect to Server dialog box.
   Ensure that the Server name YourServerName and that Authentication is set to Windows Authentication.
   Click Connect.

2. On the right, right-click Databases and select Restore Database.
   This will bring up the Restore Database window.

3. On the Restore Database screen, select the From Device radio button and click the "..." box.
   This will bring up the Specify Backup screen.

4. On the Specify Backup screen, click Add.
   This will bring up the Locate Backup File.

5. Select the DBBackup folder and chose your BackUp File(s).

6. On the Restore Database screen, under Select the backup sets to restore: place a check in the Restore box, next to your data and in the drop-down next to To database: select DbName.

7. You're done.

Here are a few general tips for you:

• You can use foreach on types that implement IEnumerable. IList is essentially an IEnumberable with Count and Item (accessing items using a zero-based index) properties. IDictionary on the other hand means you can access items by any-hashable index.

• Array, ArrayList and List all implement IList. Dictionary, SortedDictionary, and Hashtable implement IDictionary.

• If you are using .NET 2.0 or higher, it is recommended that you use generic counterparts of mentioned types.

• For time and space complexity of various operations on these types, you should consult their documentation.

• .NET data structures are in System.Collections namespace. There are type libraries such as PowerCollections which offer additional data structures.

• To get a thorough understanding of data structures, consult resources such as CLRS.

Include your image in the searchBar div, it will do the task for you

<div id="searchBar">
    <img src="img/logo.png" />                
    <input type="text" />
</div>

You can have a pair of extension methods to make this task easier:

public static string ToDelimitedString<T>(this IEnumerable<T> lst, string separator = ", ")
{
    return lst.ToDelimitedString(p => p, separator);
}

public static string ToDelimitedString<S, T>(this IEnumerable<S> lst, Func<S, T> selector, 
                                             string separator = ", ")
{
    return string.Join(separator, lst.Select(selector));
}

So now just:

new int[] { 1, 2, 3, 4, 5 }.ToDelimitedString();

To update records, you need to write changes to .mdb file on disk. If your web/shared application can't write to disk, you can't update existing or add new records. So, enable read/write access in database folder or move database to other folder where your application has write permission....for more detail please check:

http://www.beansoftware.com/ASP.NET-FAQ/Operation-Must-Use-An-Updateable-Query.aspx

Put your Thread.sleep in a try catch block

try {
    //thread to sleep for the specified number of milliseconds
    Thread.sleep(100);
} catch ( java.lang.InterruptedException ie) {
    System.out.println(ie);
}

You probably are going to want to use the following declaration:

height: 100%;

This will set the div's height to 100% of its containers height, which will make it fill the parent div.

This method uses the 'C' memset function, and is very fast (avoids a char-by-char loop).

const uint size = 65546;
char* msg = new char[size];
memset(reinterpret_cast<void*>(msg), 0, size);

You can just use numpy arrays. Look at the numpy for matlab users page for a detailed overview of the pros and cons of arrays w.r.t. matrices.

As I mentioned in the comment, having to use the dot() function or method for mutiplication of vectors is the biggest pitfall. But then again, numpy arrays are consistent. All operations are element-wise. So adding or subtracting arrays and multiplication with a scalar all work as expected of vectors.

Edit2: Starting with Python 3.5 and numpy 1.10 you can use the @ infix-operator for matrix multiplication, thanks to pep 465.

Edit: Regarding your comment:

1. Yes. The whole of numpy is based on arrays.

2. Yes. linalg.norm(v) is a good way to get the length of a vector. But what you get depends on the possible second argument to norm! Read the docs.

3. To normalize a vector, just divide it by the length you calculated in (2). Division of arrays by a scalar is also element-wise.

   An example in ipython:

   In [1]: import math
   
   In [2]: import numpy as np
   
   In [3]: a = np.array([4,2,7])
   
   In [4]: np.linalg.norm(a)
   Out[4]: 8.3066238629180749
   
   In [5]: math.sqrt(sum([n**2 for n in a]))
   Out[5]: 8.306623862918075
   
   In [6]: b = a/np.linalg.norm(a)
   
   In [7]: np.linalg.norm(b)
   Out[7]: 1.0
   

   Note that In [5] is an alternative way to calculate the length. In [6] shows normalizing the vector.

In our case it was Windows-integrated authentication specified in the app's web.config

BUT the windows-auth module was not installed on the IIS machine at all.

Just adding another possible reason.

Call this after the print job has returned:

oShell.AppActivate "Adobe Reader"
oShell.SendKeys "%FX"

I use Gmail as my SMTP server for Django. Much easier than dealing with postfix or whatever other server. I'm not in the business of managing email servers.

In settings.py:

EMAIL_USE_TLS = True
EMAIL_HOST = 'smtp.gmail.com'
EMAIL_PORT = 587
EMAIL_HOST_USER = '[email protected]'
EMAIL_HOST_PASSWORD = 'password'

NOTE: In 2016 Gmail is not allowing this anymore by default. You can either use an external service like Sendgrid, or you can follow this tutorial from Google to reduce security but allow this option: https://support.google.com/accounts/answer/6010255

It is very inefficient to store all values in memory, so the objects are reused and loaded one at a time. See this other SO question for a good explanation. Summary:

[...] when looping through the Iterable value list, each Object instance is re-used, so it only keeps one instance around at a given time.

The double curly brackets are processed via Blade -- not just plain PHP. This syntax basically echos the calculated value.

{{ Request::segment(1) }} 

rapidjson is a C++ JSON parser/generator designed to be fast and small memory footprint.

There is a performance comparison with YAJL and JsonCPP.

Update:

I created an open source project Native JSON benchmark, which evaluates 29 (and increasing) C/C++ JSON libraries, in terms of conformance and performance. This should be an useful reference.

ALTER won't do it because column order does not matter for storage or querying

If SQL Server, you'd have to use the SSMS Table Designer to arrange your columns, which can then generate a script which drops and recreates the table

Edit Jun 2013

Cross link to my answer here: Performance / Space implications when ordering SQL Server columns?

The only option I have found to do this is find some exact wording and put that under the "Has the words" option. Its not the best option, but it works.

Set border: 1px solid black to make all sides equals and remove any kind of custom border (other than solid). Also, set box-shadow: none to remove any inset shadow applied to it.

@duncan's solution above specifying new() for the static type works also with interfaces:

interface MyType {
    instanceMethod();
}

interface MyTypeStatic {
    new():MyType;
    staticMethod();
}

In NodeJS, __filename.split(/\|//).pop() returns just the file name from the absolute file path on any OS platform. Why need to care about remembering/importing an API while this regex approach also letting us recollect our regex skills.

Happen to have a task on pivot. Below works for me as tested just now on 11g:

select * from
(
  select ID, COUNTRY_NAME, TOTAL_COUNT from ONE_TABLE 
) 
pivot(
  SUM(TOTAL_COUNT) for COUNTRY_NAME in (
    'Canada', 'USA', 'Mexico'
  )
);

You can use the Attribute.IsDefined method

https://msdn.microsoft.com/en-us/library/system.attribute.isdefined(v=vs.110).aspx

if(Attribute.IsDefined(YourProperty,typeof(YourAttribute)))
{
    //Conditional execution...
}

You could provide the property you're specifically looking for or you could iterate through all of them using reflection, something like:

PropertyInfo[] props = typeof(YourClass).GetProperties();

Perhaps one of the more frustrating situations I've encountered was where people insisted on prefixing Stored Procedures with the prefix "sp_".

If you don't know why this is a bad thing to do, check out this blog entry here!

In a nutshell, if SQL Server is looking for a Stored Procedure with an sp_ prefix, it will check the master database first (which it won't find unless the SP is actually in the master database). Assuming it isn't in the master DB, SQL Server assumes the SP isn't in the cache and therefore recompiles it.

It may sound like a small thing, but it adds up in high volume or busy database server environments!

$watch returns a deregistration function. Calling it would deregister the $watcher.

var listener = $scope.$watch("quartz", function () {});
// ...
listener(); // Would clear the watch

am assuming that you want to know how to format numbers in SSRS

Just right click the TextBox on which you want to apply formatting, go to its expression.

suppose its expression is something like below

=Fields!myField.Value

then do this

=Format(Fields!myField.Value,"##.##") 

or

=Format(Fields!myFields.Value,"00.00")

difference between the two is that former one would make 4 as 4 and later one would make 4 as 04.00

this should give you an idea.

also: you might have to convert your field into a numerical one. i.e.

  =Format(CDbl(Fields!myFields.Value),"00.00")

so: 0 in format expression means, when no number is present, place a 0 there and # means when no number is present, leave it. Both of them works same when numbers are present ie. 45.6567 would be 45.65 for both of them:

UPDATE :

if you want to apply variable formatting on the same column based on row values i.e. you want myField to have no formatting when it has no decimal value but formatting with double precision when it has decimal then you can do it through logic. (though you should not be doing so)

Go to the appropriate textbox and go to its expression and do this:

=IIF((Fields!myField.Value - CInt(Fields!myField.Value)) > 0, 
    Format(Fields!myField.Value, "##.##"),Fields!myField.Value)

so basically you are using IIF(condition, true,false) operator of SSRS, ur condition is to check whether the number has decimal value, if it has, you apply the formatting and if no, you let it as it is.

this should give you an idea, how to handle variable formatting.

You can't predefine a size of an array in php. A good way to acheive your goal is the following:

// Create a new array.
$array = array(); 

// Add an item while $i < yourWantedItemQuantity
for ($i = 0; $i < $number_of_items; $i++)
{
    array_push($array, $some_data);
    //or $array[] = $some_data; for single items.
}

Note that it is way faster to use array_fill() to fill an Array :

$array = array_fill(0,$number_of_items, $some_data);

If you want to verify if a value has been set at an index, you should use the following: array_key_exists("key", $array) or isset($array["key"])

See array_key_exists , isset and array_fill

A nicer option is to make the display of console.log and debugger statements conditional based on the node environment.

  rules: {
    // allow console and debugger in development
    'no-console': process.env.NODE_ENV === 'production' ? 2 : 0,
    'no-debugger': process.env.NODE_ENV === 'production' ? 2 : 0,
  },

Put into the Button-Control the Attribute "UseSubmitBehavior=false".

Personally, I find it both elegant and convenient to wrap the fill function. To fill between two equally sized row vectors Y1 and Y2 that share the support X (and color C):

fill_between_lines = @(X,Y1,Y2,C) fill( [X fliplr(X)],  [Y1 fliplr(Y2)], C );

Just add those lines on your custom css mycss.css

table tbody .ui-widget-content {
    background: none repeat scroll 0 0 #FFFFFF;
    border: 0 solid #FFFFFF;
    color: #333333;
}

In the answer from @mariubog (https://stackoverflow.com/a/27882337/1279002) I was using password grant types too as in the example but needed to set the client authentication scheme to form. Scopes were not supported by the endpoint for password and there was no need to set the grant type as the ResourceOwnerPasswordResourceDetails object sets this itself in the constructor.

...

public ResourceOwnerPasswordResourceDetails() {
    setGrantType("password");
}

...

The key thing for me was the client_id and client_secret were not being added to the form object to post in the body if resource.setClientAuthenticationScheme(AuthenticationScheme.form); was not set.

See the switch in: org.springframework.security.oauth2.client.token.auth.DefaultClientAuthenticationHandler.authenticateTokenRequest()

Finally, when connecting to Salesforce endpoint the password token needed to be appended to the password.

@EnableOAuth2Client
@Configuration
class MyConfig {

@Value("${security.oauth2.client.access-token-uri}")
private String tokenUrl;

@Value("${security.oauth2.client.client-id}")
private String clientId;

@Value("${security.oauth2.client.client-secret}")
private String clientSecret;

@Value("${security.oauth2.client.password-token}")
private String passwordToken;

@Value("${security.user.name}")
private String username;

@Value("${security.user.password}")
private String password;


@Bean
protected OAuth2ProtectedResourceDetails resource() {

    ResourceOwnerPasswordResourceDetails resource = new ResourceOwnerPasswordResourceDetails();

    resource.setAccessTokenUri(tokenUrl);
    resource.setClientId(clientId);
    resource.setClientSecret(clientSecret);
    resource.setClientAuthenticationScheme(AuthenticationScheme.form);
    resource.setUsername(username);
    resource.setPassword(password + passwordToken);

    return resource;
}

@Bean
 public OAuth2RestOperations restTemplate() {
    return new OAuth2RestTemplate(resource(), new DefaultOAuth2ClientContext(new DefaultAccessTokenRequest()));
    }
}


@Service
@SuppressWarnings("unchecked")
class MyService {
    @Autowired
    private OAuth2RestOperations restTemplate;

    public MyService() {
        restTemplate.getAccessToken();
    }
}

string minusvalue = TextBox1.Text.ToString();

if (Convert.ToDouble(minusvalue) < 0)
{ 
    // set color of text in TextBox1 to red color and bold.
    TextBox1.ForeColor = Color.Red;
}

boolean compare(String str1, String str2) {
    if(str1==null || str2==null) {
        //return false; if you assume null not equal to null
        return str1==str2;
    }
    return str1.equals(str2);
}

is this what you desired?

The easiest way i tired in xcode 4.52 was to create an additional view and connect them by using segue modal(control drag the button from view one to the second view, chose Modal). Then drag in a button to second view or the modal view that you created. Control and drag this button to the header file and use action connection. This will create an IBaction in your controller.m file. Find your button action type in the code.

[self dismissViewControllerAnimated:YES completion:nil];

Use master.dbo.fn_varbintohexsubstring(0, HashBytes('SHA1', @input), 1, 0) instead of master.dbo.fn_varbintohexstr and then substringing the result.

In fact fn_varbintohexstr calls fn_varbintohexsubstring internally. The first argument of fn_varbintohexsubstring tells it to add 0xF as the prefix or not. fn_varbintohexstr calls fn_varbintohexsubstring with 1 as the first argument internaly.

Because you don't need 0xF, call fn_varbintohexsubstring directly.

A global variable would be best expressed in an external JavaScript file:

var system_status;

Make sure that this has not been used anywhere else. Then to access the variable on your page, just reference it as such. Say, for example, you wanted to fill in the results on a textbox,

document.getElementById("textbox1").value = system_status;

To ensure that the object exists, use the document ready feature of jQuery.

Example:

$(function() {
    $("#textbox1")[0].value = system_status;
});

I had some trouble with nested classes from any depth so I figured this out. It will select only the first level it encounters of a containing Jquery Object:

var $elementsAll = $("#container").find(".fooClass");4_x000D_
_x000D_
var $levelOneElements = $elementsAll.not($elementsAll.children().find($elementsAll));_x000D_
_x000D_
$levelOneElements.css({"color":"red"})

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>_x000D_
<div class="fooClass" style="color:black">_x000D_
Container_x000D_
  <div id="container">_x000D_
    <div class="fooClass" style="color:black">_x000D_
      Level One_x000D_
      <div>_x000D_
        <div class="fooClass" style="color:black">_x000D_
             Level Two_x000D_
        </div>_x000D_
      </div>_x000D_
    </div>_x000D_
    <div class="fooClass" style="color:black">_x000D_
      Level One_x000D_
      <div>_x000D_
        <div class="fooClass" style="color:black">_x000D_
             Level Two_x000D_
        </div>_x000D_
      </div>_x000D_
    </div>_x000D_
  </div>_x000D_
</div>

Check that the web server has permissions to write to the "images/" directory

CLIENT

namespace SocketKlient

{
    class Program

    {
        static Socket Klient;
        static IPEndPoint endPoint;
        static void Main(string[] args)
        {
            Klient = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            string command;
            Console.WriteLine("Write IP address");
            command = Console.ReadLine();
            IPAddress Address;
            while(!IPAddress.TryParse(command, out Address)) 
            {
                Console.WriteLine("wrong IP format");
                command = Console.ReadLine();
            }
            Console.WriteLine("Write port");
            command = Console.ReadLine();

            int port;
            while (!int.TryParse(command, out port) && port > 0)
            {
                Console.WriteLine("Wrong port number");
                command = Console.ReadLine();
            }
            endPoint = new IPEndPoint(Address, port); 
            ConnectC(Address, port);
            while(Klient.Connected)
            {
                Console.ReadLine();
                Odesli();
            }
        }

        public static void ConnectC(IPAddress ip, int port)
        {
            IPEndPoint endPoint = new IPEndPoint(ip, port);
            Console.WriteLine("Connecting...");
            try
            {
                Klient.Connect(endPoint);
                Console.WriteLine("Connected!");
            }
            catch
            {
                Console.WriteLine("Connection fail!");
                return; 
            }
            Task t = new Task(WaitForMessages); 
            t.Start(); 
        }

        public static void SendM()
        {
            string message = "Actualy date is " + DateTime.Now; 
            byte[] buffer = Encoding.UTF8.GetBytes(message);
            Console.WriteLine("Sending: " + message);
            Klient.Send(buffer);
        }

        public static void WaitForMessages()
        {
            try
            {
                while (true)
                {
                    byte[] buffer = new byte[64]; 
                    Console.WriteLine("Waiting for answer");
                    Klient.Receive(buffer, 0, buffer.Length, 0); 

                    string message = Encoding.UTF8.GetString(buffer); 
                    Console.WriteLine("Answer: " + message); 
                }
            }
            catch
            {
                Console.WriteLine("Disconnected");
            }
        }
    }
}

How about using a custom jQuery event with an angular watch type interface;

// adds a custom jQuery event which gives the previous and current values of an input on change
(function ($) {
    // new event type tl_change
    jQuery.event.special.tl_change = {
        add: function (handleObj) {
            // use mousedown and touchstart so that if you stay focused on the
            // element and keep changing it, it continues to update the prev val
            $(this)
                .on('mousedown.tl_change touchstart.tl_change', handleObj.selector, focusHandler)
                .on('change.tl_change', handleObj.selector, function (e) {
                // use an anonymous funciton here so we have access to the
                // original handle object to call the handler with our args
                var $el = $(this);
                // call our handle function, passing in the event, the previous and current vals
                // override the change event name to our name
                e.type = "tl_change";
                handleObj.handler.apply($el, [e, $el.data('tl-previous-val'), $el.val()]);
            });
        },
        remove: function (handleObj) {
            $(this)
                .off('mousedown.tl_change touchstart.tl_change', handleObj.selector, focusHandler)
                .off('change.tl_change', handleObj.selector)
                .removeData('tl-previous-val');
        }
    };

    // on focus lets set the previous value of the element to a data attr
    function focusHandler(e) {
        var $el = $(this);
        $el.data('tl-previous-val', $el.val());
    }
})(jQuery);

// usage
$('.some-element').on('tl_change', '.delegate-maybe', function (e, prev, current) {
    console.log(e);         // regular event object
    console.log(prev);      // previous value of input (before change)
    console.log(current);   // current value of input (after change)
    console.log(this);      // element
});

You have this option also:

type Configuration struct {
        Val string
        Proxy
}

type Proxy struct {
        Address string
        Port    string
}

func main() {
        c := &Configuration{"test", Proxy{"addr", "port"}}
        fmt.Println(c)
}

Sounds like they want the ability to return only allowed fields, which means the number of fields returned also has to be dynamic. This will work with 2 variables. Anything more than that will be getting confusing.

IF (selectField1 = true AND selectField2 = true)
BEGIN
   SELECT Field1, Field2
   FROM Table
END
ELSE IF (selectField1 = true)
BEGIN
   SELECT Field1
   FROM Table
END
ELSE IF (selectField2 = true)
BEGIN
   SELECT Field2
   FROM Table
END

Dynamic SQL will help with multiples. This examples is assuming atleast 1 column is true.

DECLARE @sql varchar(MAX)
SET @sql = 'SELECT '
IF (selectField1 = true)
BEGIN
   SET @sql = @sql + 'Field1, '
END
IF (selectField2 = true)
BEGIN
   SET @sql = @sql + 'Field2, '
END
...
-- DROP ', '
@sql = SUBSTRING(@sql, 1, LEN(@sql)-2)

SET @sql = @sql + ' FROM Table'

EXEC(@sql)

Try writing it in a new file..

f = open(filename, 'r+')
f2= open(filename2,'a+')
text = f.read()
text = re.sub('foobar', 'bar', text)
f.seek(0)
f.close()
f2.write(text)
fw.close()

Thank to Brian for the code. I was trying to connect to the sql server with {call spname(?,?)} and I got errors, but when I change my code to exec sp... it works very well.

I post my code in hope this helps others with problems like mine:

ResultSet rs = null;
PreparedStatement cs=null;
Connection conn=getJNDIConnection();

try {
    cs=conn.prepareStatement("exec sp_name ?,?,?,?,?,?,?");
    cs.setEscapeProcessing(true);
    cs.setQueryTimeout(90);

    cs.setString(1, "valueA");

    cs.setString(2, "valueB");

    cs.setString(3, "0418");

    //commented, because no need to register parameters out!, I got results from the resultset. 
    //cs.registerOutParameter(1, Types.VARCHAR);
    //cs.registerOutParameter(2, Types.VARCHAR);

    rs = cs.executeQuery();
    ArrayList<ObjectX> listaObjectX = new ArrayList<ObjectX>();
    while (rs.next()) {

        ObjectX to = new ObjectX();
        to.setFecha(rs.getString(1));
        to.setRefId(rs.getString(2));
        to.setRefNombre(rs.getString(3));
        to.setUrl(rs.getString(4));

        listaObjectX.add(to);

    }
    return listaObjectX;
     } catch (SQLException se) {
        System.out.println("Error al ejecutar SQL"+ se.getMessage());
        se.printStackTrace();
        throw new IllegalArgumentException("Error al ejecutar SQL: " + se.getMessage());

    } finally {

        try {

            rs.close();
            cs.close();
          con.close();

        } catch (SQLException ex) {
            ex.printStackTrace();
        }
    }

This works for me, I only need first numbers in string:

TO_NUMBER(regexp_substr(h.HIST_OBSE, '\.*[[:digit:]]+\.*[[:digit:]]*'))

the field had the following string: "(43 Paginas) REGLAS DE PARTICIPACION".

result field: 43

In case of Homebrew, mysql would also look for my.cnf in it's Cellar directory, for example:

/usr/local/Cellar/mysql/5.7.21/my.cnf

For the case one prefers to keep the config close to the binaries - create my.cnf here if it's missing.

Restart mysql after change:

brew services restart mysql

Here are conversion method for both ways. this = instance of your class

public string ToXML()
    {
        using(var stringwriter = new System.IO.StringWriter())
        { 
            var serializer = new XmlSerializer(this.GetType());
            serializer.Serialize(stringwriter, this);
            return stringwriter.ToString();
        }
    }

 public static YourClass LoadFromXMLString(string xmlText)
    {
        using(var stringReader = new System.IO.StringReader(xmlText))
        {
            var serializer = new XmlSerializer(typeof(YourClass ));
            return serializer.Deserialize(stringReader) as YourClass ;
        }
    }

This is a very c# type of code:

var bks: Book[] = new Book[2];

In Javascript / Typescript you don't allocate memory up front like that, and that means something completely different. This is how you would do what you want to do:

var bks: Book[] = [];
bks.push(new Book());
bks[0].Author = "vamsee";
bks[0].BookId = 1;
return bks.length;

Now to explain what new Book[2]; would mean. This would actually mean that call the new operator on the value of Book[2]. e.g.:

Book[2] = function (){alert("hey");}
var foo = new Book[2]

and you should see hey. Try it

Spark Dynamic allocation gives flexibility and allocates resources dynamically. In this number of min and max executors can be given. Also the number of executors that has to be launched at the starting of the application can also be given.

Read below on the same:

http://spark.apache.org/docs/latest/configuration.html#dynamic-allocation

Shahar's answer was really helpful, but I found it quite tedious to do this all myself, so I made a nifty little Python program:

import re
import urllib2
import string
url1 = raw_input("Please enter a URL from Tunein Radio: ");
open_file = urllib2.urlopen(url1);
raw_file = open_file.read();
API_key = re.findall(r"StreamUrl\":\"(.*?),",raw_file);
#print API_key;
#print "The API key is: " + API_key[0];
use_key = urllib2.urlopen(str(API_key[0]));
key_content = use_key.read();
raw_stream_url = re.findall(r"Url\": \"(.*?)\"",key_content);
bandwidth = re.findall(r"Bandwidth\":(.*?),", key_content);
reliability = re.findall(r"lity\":(.*?),", key_content);
isPlaylist = re.findall(r"HasPlaylist\":(.*?),",key_content);
codec = re.findall(r"MediaType\": \"(.*?)\",", key_content);
tipe = re.findall(r"Type\": \"(.*?)\"", key_content);
total = 0
for element in raw_stream_url:
    total = total + 1
i = 0
print "I found " + str(total) + " streams.";
for element in raw_stream_url:
    print "Stream #" + str(i + 1);
    print "Stream stats:";
    print "Bandwidth: " + str(bandwidth[i]) + " kilobytes per second."
    print "Reliability: " + str(reliability[i]) + "%"
    print "HasPlaylist: " + str(isPlaylist[i]) + "."
    print "Stream codec: " + str(codec[i]) + "."
    print "This audio stream is " + tipe[i].lower() + "."
    print "Pure streaming URL: " + str(raw_stream_url[i]) + ".";
    i = i + 1
raw_input("Press enter to close TMUS.")

It's basically Shahar's solution automated.

According to the documentation, there needs to be a top level layout set.

A top level layout is necessary to ensure that your widgets will resize correctly when its window is resized. To check if you have set a top level layout, preview your widget and attempt to resize the window by dragging the size grip.

You can set one by clearing the selection and right clicking on the form itself and choosing one of the layouts available in the context menu.

lock is actually hidden Monitor class.

From Java SE 6 HotSpot[tm] Virtual Machine Garbage Collection Tuning

the following

Excessive GC Time and OutOfMemoryError

The concurrent collector will throw an OutOfMemoryError if too much time is being spent in garbage collection: if more than 98% of the total time is spent in garbage collection and less than 2% of the heap is recovered, an OutOfMemoryError will be thrown. This feature is designed to prevent applications from running for an extended period of time while making little or no progress because the heap is too small. If necessary, this feature can be disabled by adding the option -XX:-UseGCOverheadLimit to the command line.

The policy is the same as that in the parallel collector, except that time spent performing concurrent collections is not counted toward the 98% time limit. In other words, only collections performed while the application is stopped count toward excessive GC time. Such collections are typically due to a concurrent mode failure or an explicit collection request (e.g., a call to System.gc()).

in conjunction with a passage further down

One of the most commonly encountered uses of explicit garbage collection occurs with RMIs distributed garbage collection (DGC). Applications using RMI refer to objects in other virtual machines. Garbage cannot be collected in these distributed applications without occasionally collection the local heap, so RMI forces full collections periodically. The frequency of these collections can be controlled with properties. For example,

java -Dsun.rmi.dgc.client.gcInterval=3600000

-Dsun.rmi.dgc.server.gcInterval=3600000 specifies explicit collection once per hour instead of the default rate of once per minute. However, this may also cause some objects to take much longer to be reclaimed. These properties can be set as high as Long.MAX_VALUE to make the time between explicit collections effectively infinite, if there is no desire for an upper bound on the timeliness of DGC activity.

Seems to imply that the evaluation period for determining the 98% is one minute long, but it might be configurable on Sun's JVM with the correct define.

Of course, other interpretations are possible.

int opcion = JOptionPane.showConfirmDialog(null, "Realmente deseas salir?", "Aviso", JOptionPane.YES_NO_OPTION);

if (opcion == 0) { //The ISSUE is here
   System.out.print("si");
} else {
   System.out.print("no");
}

this will open the file with the default windows program (notepad if you haven't changed it);

Process.Start(@"c:\myfile.txt")

v-bind and v-on are two frequently used directives in vuejs html template. So they provided a shorthand notation for the both of them as follows:

You can replace v-on: with @

v-on:click='someFunction'

as:

@click='someFunction'

Another example:

v-on:keyup='someKeyUpFunction'

as:

@keyup='someKeyUpFunction'

Similarly, v-bind with :

v-bind:href='var1'

Can be written as:

:href='var1'

Hope it helps!

This /[^a-z]/g solves the problem.

function pangram(str) {
    let regExp = /[^a-z]/g;
    let letters = str.toLowerCase().replace(regExp, '');
    document.getElementById('letters').innerHTML = letters;
}
pangram('GHV 2@# %hfr efg uor7 489(*&^% knt lhtkjj ngnm!@#$%^&*()_');

<h4 id="letters"></h4>

You can try this method that is developed by Chucai Yi and Yingli Tian.

They also share a software (which is based on Opencv-1.0 and it should run under Windows platform.) that you can use (though no source code available). It will generate all the text bounding boxes (shown in color shadows) in the image. By applying to your sample images, you will get the following results:

Note: to make the result more robust, you can further merge adjacent boxes together.

Update: If your ultimate goal is to recognize the texts in the image, you can further check out gttext, which is an OCR free software and Ground Truthing tool for Color Images with Text. Source code is also available.

With this, you can get recognized texts like:

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.

As the other answers have said, Spring just takes care of it, creating the beans and injecting them as required.

One of the consequences is that bean injection / property setting might occur in a different order to what your XML wiring files would seem to imply. So you need to be careful that your property setters don't do initialization that relies on other setters already having been called. The way to deal with this is to declare beans as implementing the InitializingBean interface. This requires you to implement the afterPropertiesSet() method, and this is where you do the critical initialization. (I also include code to check that important properties have actually been set.)

for gradle :

compile 'javax.el:javax.el-api:2.2.4'

Convert a Date to a String using DateFormat#format method:

String pattern = "MM/dd/yyyy HH:mm:ss";

// Create an instance of SimpleDateFormat used for formatting 
// the string representation of date according to the chosen pattern
DateFormat df = new SimpleDateFormat(pattern);

// Get the today date using Calendar object.
Date today = Calendar.getInstance().getTime();        
// Using DateFormat format method we can create a string 
// representation of a date with the defined format.
String todayAsString = df.format(today);

// Print the result!
System.out.println("Today is: " + todayAsString);

From http://www.kodejava.org/examples/86.html

Another syntax of doing the same thing is:

rails g migration AddUserToUpload user:belongs_to

If you would like to use a formula, the TRIM function will do exactly what you're looking for:

+----+------------+---------------------+
|    |     A      |           B         |
+----+------------+---------------------+
| 1  | =TRIM(B1)  |  value to trim here |
+----+------------+---------------------+

So to do the whole column...
1) Insert a column
2) Insert TRIM function pointed at cell you are trying to correct.
3) Copy formula down the page
4) Copy inserted column
5) Paste as "Values"

Should be good to go from there...

You can supply a function argument to scale, and ggplot will use that function to calculate the tick locations.

library(ggplot2)
dat <- data.frame(x = rnorm(100), y = rnorm(100))
number_ticks <- function(n) {function(limits) pretty(limits, n)}

ggplot(dat, aes(x,y)) +
  geom_point() +
  scale_x_continuous(breaks=number_ticks(10)) +
  scale_y_continuous(breaks=number_ticks(10))

It took me a while to figure this out too. url_for in Flask looks for endpoints that you specified in the routes.py script.

So if you have a decorator in your routes.py file like @blah.route('/folder.subfolder') then Flask will recognize the command {{ url_for('folder.subfolder') , filename = "some_image.jpg" }} . The 'folder.subfolder' argument sends it to a Flask endpoint it recognizes.

However let us say that you stored your image file, some_image.jpg, in your subfolder, BUT did not specify this subfolder as a route endpoint in your flask routes.py, your route decorator looks like @blah.routes('/folder'). You then have to ask for your image file this way: {{ url_for('folder'), filename = 'subfolder/some_image.jpg' }}

I.E. you tell Flask to go to the endpoint it knows, "folder", then direct it from there by putting the subdirectory path in the filename argument.

Behold HTML comments:

<!-- comment -->

http://www.w3.org/TR/html401/intro/sgmltut.html#idx-HTML

The proper way to delete code without deleting it, of course, is to use version control, which enables you to resurrect old code from the past. Don't get into the habit of accumulating commented-out code in your pages, it's no fun. :)

must means: The clause (query) must appear in matching documents. These clauses must match, like logical AND.

should means: At least one of these clauses must match, like logical OR.

Basically they are used like logical operators AND and OR. See this.

Now in a bool query:

must means: Clauses that must match for the document to be included.

should means: If these clauses match, they increase the _score; otherwise, they have no effect. They are simply used to refine the relevance score for each document.

Yes you can use multiple filters inside must.

To have the active tab also styled, merge the answer from this thread, from Mansukh Khandhar, with this other answer, from lmgonzalves:

.nav-tabs > li.active > a {
  background-color: yellow !important;
  border: medium none;
  border-radius: 0;
}

The advice here about removing the nbproject directory is not quite the whole story.

What Netbeans seems to do (and we are guessing at reverse engineering here) is to look for an xml file which has opening and closing project tags in it. This it concludes is evidence of an already existing project. Now if your files have an nbproject directory there, that will contain a project.xml file which contains the said tags. So removing that will do what you want.

But, my files don't have a nbproject directory but still NetBeans tells me there is an existing project maybe in memory. The reason is: my files include a file called pom.xml and that contains the said project tags in the xml (it was created by an entirely different system). Once that xml file is removed, then NetBeans will create an html project for me importing my code.

In sum: look through any xml files in you existing code, and be wary of project tags.

TL;DR:

? express.basicAuth is gone
? basic-auth-connect is deprecated
? basic-auth doesn't have any logic
? http-auth is an overkill
? express-basic-auth is what you want

More info:

Since you're using Express then you can use the express-basic-auth middleware.

See the docs:

• https://www.npmjs.com/package/express-basic-auth

Example:

const app = require('express')();
const basicAuth = require('express-basic-auth');
 
app.use(basicAuth({
    users: { admin: 'supersecret123' },
    challenge: true // <--- needed to actually show the login dialog!
}));

If you want result to be stored in another dataset:

df.drop_duplicates(keep=False)

or

df.drop_duplicates(keep=False, inplace=False)

If same dataset needs to be updated:

df.drop_duplicates(keep=False, inplace=True)

Above examples will remove all duplicates and keep one, similar to DISTINCT * in SQL

The sound of the french fou, (like: amour fou) [crazy] written in english, would be foo, wouldn't it. Else furchtbar -> foobar -> foo, bar -> barfoo -> barfuß (barefoot). Just fou. A foot without teeth.

I agree with all, who mentioned it means: nothing interesting, just something, usually needed to complete a statement/expression.

If you are using an implementation of InputStream, you can check the result of InputStream#markSupported() that tell you whether or not you can use the method mark() / reset().

If you can mark the stream when you read, then call reset() to go back to begin.

If you can't you'll have to open a stream again.

Another solution would be to convert InputStream to byte array, then iterate over the array as many time as you need. You can find several solutions in this post Convert InputStream to byte array in Java using 3rd party libs or not. Caution, if the read content is too big you might experience some memory troubles.

Finally, if your need is to read image, then use :

BufferedImage image = ImageIO.read(new URL("http://www.example.com/images/toto.jpg"));

Using ImageIO#read(java.net.URL) also allows you to use cache.

If you want to replace multiple values in a data frame, looping through all columns might help.

Say you want to replace "" and 100:

na_codes <- c(100, "")
for (i in seq_along(df)) {
    df[[i]][df[[i]] %in% na_codes] <- NA
}

As ugly as it is, here is a workaround that works as long as you aren't passing an array explicitly, but a variable corresponding to an array:

function passarray()
{
    eval array_internally=("$(echo '${'$1'[@]}')")
    # access array now via array_internally
    echo "${array_internally[@]}"
    #...
}

array=(0 1 2 3 4 5)
passarray array # echo's (0 1 2 3 4 5) as expected

I'm sure someone can come up with a clearner implementation of the idea, but I've found this to be a better solution than passing an array as "{array[@]"} and then accessing it internally using array_inside=("$@"). This becomes complicated when there are other positional/getopts parameters. In these cases, I've had to first determine and then remove the parameters not associated with the array using some combination of shift and array element removal.

A purist perspective likely views this approach as a violation of the language, but pragmatically speaking, this approach has saved me a whole lot of grief. On a related topic, I also use eval to assign an internally constructed array to a variable named according to a parameter target_varname I pass to the function:

eval $target_varname=$"(${array_inside[@]})"

Hope this helps someone.

You can use Culture to get month name for your country like:

System.Globalization.CultureInfo culture = new System.Globalization.CultureInfo("ar-EG");
string FormatDate = DateTime.Now.ToString("dddd., MMM dd yyyy, hh:MM tt", culture);

Don't know why (the method is not documented), but by looking at the source code, this line should do it :

mime_body_part.setHeader("Content-Type", "text/html");

Download the ZIP file from this URL and extract it to get the Jar. Add the Jar to your build path. To check the available classes in this Jar use this URL.

To Add this Jar to your build path Right click the Project > Build Path > Configure build path> Select Libraries tab > Click Add External Libraries > Select the Jar file Download

I hope this will solve your problem

There is no Date DataType.

However you can use DateTime.Date to get just the Date.

E.G.

DateTime date = DateTime.Now.Date;

Yes. Google Chrome has deprecated the feature in version 50. If you tried to use it in chrome the error is:

getCurrentPosition() and watchPosition() are deprecated on insecure origins. To use this feature, you should consider switching your application to a secure origin, such as HTTPS. See https://sites.google.com/a/chromium.org/dev/Home/chromium-security/deprecating-powerful-features-on-insecure-origins for more details.

So, you have to add SSL certificate. Well, that's the only way.

And it's quite easy now using Let's Encrypt. Here's guide

And for testing purpose you could try this:

1.localhost is treated as a secure origin over HTTP, so if you're able to run your server from localhost, you should be able to test the feature on that server.

2.You can run chrome with the --unsafely-treat-insecure-origin-as-secure="http://example.com" flag (replacing "example.com" with the origin you actually want to test), which will treat that origin as secure for this session. Note that you also need to include the --user-data-dir=/test/only/profile/dir to create a fresh testing profile for the flag to work.

I think Firefox also restricted user from accessing GeoLocation API requests from http. Here's the webkit changelog: https://trac.webkit.org/changeset/200686

Extending Piotr's answer, if you also need a way to figure what to put in requirements.in, you can first use pip-chill to find the minimal set of required packages you have. By combining these tools, you can show the dependency reason why each package is installed. The full cycle looks like this:

1. Create virtual environment:
   $ python3 -m venv venv
2. Activate it:
   $ . venv/bin/activate
3. Install newest version of pip, pip-tools and pip-chill:
   (venv)$ pip install --upgrade pip
(venv)$ pip install pip-tools pip-chill
4. Build your project, install more pip packages, etc, until you want to save...
5. Extract minimal set of packages (ie, top-level without dependencies):
   (venv)$ pip-chill --no-version > requirements.in
6. Compile list of all required packages (showing dependency reasons):
   (venv)$ pip-compile requirements.in
7. Make sure the current installation is synchronized with the list:
   (venv)$ pip-sync

Not sure why they removed the option to just right click on the database and restore like you could in SQL Server Management Studio 2008 and earlier, but as mentioned above you can restore from a .BAK file with:

RESTORE DATABASE YourDB FROM DISK = 'D:BackUpYourBaackUpFile.bak' WITH REPLACE

But you will want WITH REPLACE instead of WITH RESTORE if your moving it from one server to another.

Since you want to pivot multiple columns of data, I would first suggest unpivoting the result, score and grade columns so you don't have multiple columns but you will have multiple rows.

Depending on your version of SQL Server you can use the UNPIVOT function or CROSS APPLY. The syntax to unpivot the data will be similar to:

select ratio, col, value
from GRAND_TOTALS
cross apply
(
  select 'result', cast(result as varchar(10)) union all
  select 'score', cast(score as varchar(10)) union all
  select 'grade', grade
) c(col, value)

See SQL Fiddle with Demo. Once the data has been unpivoted, then you can apply the PIVOT function:

select ratio = col,
  [current ratio], [gearing ratio], [performance ratio], total
from
(
  select ratio, col, value
  from GRAND_TOTALS
  cross apply
  (
    select 'result', cast(result as varchar(10)) union all
    select 'score', cast(score as varchar(10)) union all
    select 'grade', grade
  ) c(col, value)
) d
pivot
(
  max(value)
  for ratio in ([current ratio], [gearing ratio], [performance ratio], total)
) piv;

See SQL Fiddle with Demo. This will give you the result:

|  RATIO | CURRENT RATIO | GEARING RATIO | PERFORMANCE RATIO |     TOTAL |
|--------|---------------|---------------|-------------------|-----------|
|  grade |          Good |          Good |      Satisfactory |      Good |
| result |       1.29400 |       0.33840 |           0.04270 |    (null) |
|  score |      60.00000 |      70.00000 |          50.00000 | 180.00000 |

The use keyword is for aliasing in PHP and it does not import the classes. This really helps
1) When you have classes with same name in different namespaces
2) Avoid using really long class name over and over again.

If you NPM those modules you can serve them using static redirect.

First install the packages:

npm install jquery
npm install bootstrap

Then on the server.js:

var express = require('express');
var app = express();

// prepare server
app.use('/api', api); // redirect API calls
app.use('/', express.static(__dirname + '/www')); // redirect root
app.use('/js', express.static(__dirname + '/node_modules/bootstrap/dist/js')); // redirect bootstrap JS
app.use('/js', express.static(__dirname + '/node_modules/jquery/dist')); // redirect JS jQuery
app.use('/css', express.static(__dirname + '/node_modules/bootstrap/dist/css')); // redirect CSS bootstrap

Then, finally, at the .html:

<link rel="stylesheet" href="/css/bootstrap.min.css">
<script src="/js/jquery.min.js"></script>
<script src="/js/bootstrap.min.js"></script>

I would not serve pages directly from the folder where your server.js file is (which is usually the same as node_modules) as proposed by timetowonder, that way people can access your server.js file.

Of course you can simply download and copy & paste on your folder, but with NPM you can simply update when needed... easier, I think.

This is the naive (N*(N-1)/2) solution. It uses constant additional space and maintains the original order. It is similar to the solution by @Byju, but uses no if(){} blocks. It also avoids copying an element onto itself.

#include <stdio.h>
#include <stdlib.h>

int numbers[] = {4, 8, 4, 1, 1, 2, 9};
#define COUNT (sizeof numbers / sizeof numbers[0])

size_t undup_it(int array[], size_t len)
{
size_t src,dst;

  /* an array of size=1 cannot contain duplicate values */
if (len <2) return len; 
  /* an array of size>1 will cannot at least one unique value */
for (src=dst=1; src < len; src++) {
        size_t cur;
        for (cur=0; cur < dst; cur++ ) {
                if (array[cur] == array[src]) break;
                }
        if (cur != dst) continue; /* found a duplicate */

                /* array[src] must be new: add it to the list of non-duplicates */
        if (dst < src) array[dst] = array[src]; /* avoid copy-to-self */
        dst++;
        }
return dst; /* number of valid alements in new array */
}

void print_it(int array[], size_t len)
{
size_t idx;

for (idx=0; idx < len; idx++)  {
        printf("%c %d", (idx) ? ',' :'{' , array[idx] );
        }
printf("}\n" );
}

int main(void) {    
    size_t cnt = COUNT;

    printf("Before undup:" );    
    print_it(numbers, cnt);    

    cnt = undup_it(numbers,cnt);

    printf("After undup:" );    
    print_it(numbers, cnt);

    return 0;
}

I suppose you could use a solution such as this one :

select name, length(name)
from users
where id = (
    select id
    from users
    order by length(name) desc
    limit 1
);

Might not be the optimal solution, though... But seems to work.

On client:

  axios.get('/api', {
      params: {
        foo: 'bar'
      }
    });

On server:

function get(req, res, next) {

  let param = req.query.foo
   .....
}

The other answer is very detailed and addresses the bulk of the questions raised by the OP.

To elaborate, and specifically to address the OP's question of "How does OAuth 2 protect against things like replay attacks using the Security Token?", there are two additional protections in the official recommendations for implementing OAuth 2:

1) Tokens will usually have a short expiration period (http://tools.ietf.org/html/rfc6819#section-5.1.5.3):

A short expiration time for tokens is a means of protection against the following threats:

• replay...

2) When the token is used by Site A, the recommendation is that it will be presented not as URL parameters but in the Authorization request header field (http://tools.ietf.org/html/rfc6750):

Clients SHOULD make authenticated requests with a bearer token using the "Authorization" request header field with the "Bearer" HTTP authorization scheme. ...

The "application/x-www-form-urlencoded" method SHOULD NOT be used except in application contexts where participating browsers do not have access to the "Authorization" request header field. ...

URI Query Parameter... is included to document current use; its use is not recommended, due to its security deficiencies

Assuming your sequence alternates increments between 1 and 3

numbers = [1]
while numbers[-1] < 100:
    numbers.append(numbers[-1] + 1)
    numbers.append(numbers[-1] + 3)

print ', '.join(map(str, numbers))

This could be easier to modify if your sequence is different but I think poke or BlaXpirit are nicer answers than mine.

For python 3

dict((k, v) for k, v in metadata.items() if v)

Preliminaries

On modern computers, only the lowest level memory structures (the registers) can move data around in single clock cycles. However, registers are very expensive and most computer cores have less than a few dozen registers. At the other end of the memory spectrum (DRAM), the memory is very cheap (i.e. literally millions of times cheaper) but takes hundreds of cycles after a request to receive the data. To bridge this gap between super fast and expensive and super slow and cheap are the cache memories, named L1, L2, L3 in decreasing speed and cost. The idea is that most of the executing code will be hitting a small set of variables often, and the rest (a much larger set of variables) infrequently. If the processor can't find the data in L1 cache, then it looks in L2 cache. If not there, then L3 cache, and if not there, main memory. Each of these "misses" is expensive in time.

(The analogy is cache memory is to system memory, as system memory is too hard disk storage. Hard disk storage is super cheap but very slow).

Caching is one of the main methods to reduce the impact of latency. To paraphrase Herb Sutter (cfr. links below): increasing bandwidth is easy, but we can't buy our way out of latency.

Data is always retrieved through the memory hierarchy (smallest == fastest to slowest). A cache hit/miss usually refers to a hit/miss in the highest level of cache in the CPU -- by highest level I mean the largest == slowest. The cache hit rate is crucial for performance since every cache miss results in fetching data from RAM (or worse ...) which takes a lot of time (hundreds of cycles for RAM, tens of millions of cycles for HDD). In comparison, reading data from the (highest level) cache typically takes only a handful of cycles.

In modern computer architectures, the performance bottleneck is leaving the CPU die (e.g. accessing RAM or higher). This will only get worse over time. The increase in processor frequency is currently no longer relevant to increase performance. The problem is memory access. Hardware design efforts in CPUs therefore currently focus heavily on optimizing caches, prefetching, pipelines and concurrency. For instance, modern CPUs spend around 85% of die on caches and up to 99% for storing/moving data!

There is quite a lot to be said on the subject. Here are a few great references about caches, memory hierarchies and proper programming:

• Agner Fog's page. In his excellent documents, you can find detailed examples covering languages ranging from assembly to C++.
• If you are into videos, I strongly recommend to have a look at Herb Sutter's talk on machine architecture (youtube) (specifically check 12:00 and onwards!).
• Slides about memory optimization by Christer Ericson (director of technology @ Sony)
• LWN.net's article "What every programmer should know about memory"

Main concepts for cache-friendly code

A very important aspect of cache-friendly code is all about the principle of locality, the goal of which is to place related data close in memory to allow efficient caching. In terms of the CPU cache, it's important to be aware of cache lines to understand how this works: How do cache lines work?

The following particular aspects are of high importance to optimize caching:

1. Temporal locality: when a given memory location was accessed, it is likely that the same location is accessed again in the near future. Ideally, this information will still be cached at that point.
2. Spatial locality: this refers to placing related data close to each other. Caching happens on many levels, not just in the CPU. For example, when you read from RAM, typically a larger chunk of memory is fetched than what was specifically asked for because very often the program will require that data soon. HDD caches follow the same line of thought. Specifically for CPU caches, the notion of cache lines is important.

Use appropriate c++ containers

A simple example of cache-friendly versus cache-unfriendly is c++'s std::vector versus std::list. Elements of a std::vector are stored in contiguous memory, and as such accessing them is much more cache-friendly than accessing elements in a std::list, which stores its content all over the place. This is due to spatial locality.

A very nice illustration of this is given by Bjarne Stroustrup in this youtube clip (thanks to @Mohammad Ali Baydoun for the link!).

Don't neglect the cache in data structure and algorithm design

Whenever possible, try to adapt your data structures and order of computations in a way that allows maximum use of the cache. A common technique in this regard is cache blocking (Archive.org version), which is of extreme importance in high-performance computing (cfr. for example ATLAS).

Know and exploit the implicit structure of data

Another simple example, which many people in the field sometimes forget is column-major (ex. fortran,matlab) vs. row-major ordering (ex. c,c++) for storing two dimensional arrays. For example, consider the following matrix:

1 2
3 4

In row-major ordering, this is stored in memory as 1 2 3 4; in column-major ordering, this would be stored as 1 3 2 4. It is easy to see that implementations which do not exploit this ordering will quickly run into (easily avoidable!) cache issues. Unfortunately, I see stuff like this very often in my domain (machine learning). @MatteoItalia showed this example in more detail in his answer.

When fetching a certain element of a matrix from memory, elements near it will be fetched as well and stored in a cache line. If the ordering is exploited, this will result in fewer memory accesses (because the next few values which are needed for subsequent computations are already in a cache line).

For simplicity, assume the cache comprises a single cache line which can contain 2 matrix elements and that when a given element is fetched from memory, the next one is too. Say we want to take the sum over all elements in the example 2x2 matrix above (lets call it M):

Exploiting the ordering (e.g. changing column index first in c++):

M[0][0] (memory) + M[0][1] (cached) + M[1][0] (memory) + M[1][1] (cached)
= 1 + 2 + 3 + 4
--> 2 cache hits, 2 memory accesses

Not exploiting the ordering (e.g. changing row index first in c++):

M[0][0] (memory) + M[1][0] (memory) + M[0][1] (memory) + M[1][1] (memory)
= 1 + 3 + 2 + 4
--> 0 cache hits, 4 memory accesses

In this simple example, exploiting the ordering approximately doubles execution speed (since memory access requires much more cycles than computing the sums). In practice, the performance difference can be much larger.

Avoid unpredictable branches

Modern architectures feature pipelines and compilers are becoming very good at reordering code to minimize delays due to memory access. When your critical code contains (unpredictable) branches, it is hard or impossible to prefetch data. This will indirectly lead to more cache misses.

This is explained very well here (thanks to @0x90 for the link): Why is processing a sorted array faster than processing an unsorted array?

Avoid virtual functions

In the context of c++, virtual methods represent a controversial issue with regard to cache misses (a general consensus exists that they should be avoided when possible in terms of performance). Virtual functions can induce cache misses during look up, but this only happens if the specific function is not called often (otherwise it would likely be cached), so this is regarded as a non-issue by some. For reference about this issue, check out: What is the performance cost of having a virtual method in a C++ class?

Common problems

A common problem in modern architectures with multiprocessor caches is called false sharing. This occurs when each individual processor is attempting to use data in another memory region and attempts to store it in the same cache line. This causes the cache line -- which contains data another processor can use -- to be overwritten again and again. Effectively, different threads make each other wait by inducing cache misses in this situation. See also (thanks to @Matt for the link): How and when to align to cache line size?

An extreme symptom of poor caching in RAM memory (which is probably not what you mean in this context) is so-called thrashing. This occurs when the process continuously generates page faults (e.g. accesses memory which is not in the current page) which require disk access.

You should check the download attribute and the window.URL method because the download attribute doesn't seem to like data URI. This example by Google is pretty much what you are trying to do.

From @Yatheeshaless's answer:

You can open settings app programmatically in iOS8, but not in earlier versions of iOS.

Swift:

   UIApplication.sharedApplication().openURL(NSURL(string:UIApplicationOpenSettingsURLString)!)

Swift 4:

if let url = NSURL(string: UIApplicationOpenSettingsURLString) as URL? {
    UIApplication.shared.openURL(url)
}

Swift 4.2 (BETA):

if let url = NSURL(string: UIApplication.openSettingsURLString) as URL? {
    UIApplication.shared.open(url, options: [:], completionHandler: nil)
}

Objective-C:

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];

Looks like the path you gave doesn't have any bootstrap files in them.

href="~/lib/bootstrap/dist/css/bootstrap.min.css"

Make sure the files exist over there , else point the files to the correct path, which should be in your case

href="~/node_modules/bootstrap/dist/css/bootstrap.min.css"

you could simply do:

var newImage = new Image();
newImage.src = "someImg.jpg";

if(document.images)
{
  document.images.yourImageElementName.src = newImage.src;
}

Simple :)

In my case (i want to add 3 years to current date) the solution was:

$future_date = date('Y-m-d', strtotime("now + 3 years"));

To Gardenee, Treby and Daniel Lima: what will happen with 29th February? Sometimes February has only 28 days :)

Maybe not the best solution, but it worked for me.

[System.Reflection.Assembly]::LoadWithPartialName("Microsoft.VisualBasic")
$VBObject=[Microsoft.VisualBasic.Devices.ComputerInfo]::new()
$SystemMemory=$VBObject.TotalPhysicalMemory

My problem was my user's folder had a space in folder name.

After creating a new user and switching to that windows user, windows shortcuts and links from within' Anaconda worked fine.

Windows 8.1 64 Bit. Latest Anaconda.

Note: I ended up uninstalling an reinstalling Anaconda but my sense is the problem was really just the space in the windows user username/user folder.

Have a look at Spring framework source, it has excellent javadocs

I appreciate this is an old question now but my solution wasn't an answer on here so posting it in case anyone else tries all the rest.

In my case, a previous install of the Java JRE (in ProgramData/Oracle/Java) had a path variable at the top of my list of path variables. The contents of that "Oracle" path had a java.exe but not a javac.exe. I added my full JDK path to the top of the list of path variables, ahead of the "Oracle" one, and it then picked up javac.exe as well as java.

Ideally we should do it from either controller or directive as per applicable. Use $anchorScroll, $location as dependency injection.

Then call this two method as

$location.hash('scrollToDivID');
$anchorScroll();

Here scrollToDivID is the id where you want to scroll.

Assumed you want to navigate to a error message div as

<div id='scrollToDivID'>Your Error Message</div>

For more information please see this documentation

You'd want the COUNT operator.

SELECT NUMBER, COUNT(*) 
FROM T_NAME
GROUP BY NUMBER
ORDER BY NUMBER ASC

vuejs 2

v-el:el:uniquename has been replaced by ref="uniqueName". The element is then accessed through this.$refs.uniqueName.

Thanks to @Dirk Lachowski for pointing me in the right direction. The solution isn't as elegant as I would have liked, but I got it working. Reading the spring docs, I can listen on the EmbeddedServletContainerInitializedEvent and get the port once the server is up and running. Here's what it looks like -

import org.springframework.boot.context.embedded.EmbeddedServletContainerInitializedEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.stereotype.Component;




    @Component
    public class MyListener implements ApplicationListener<EmbeddedServletContainerInitializedEvent> {

      @Override
      public void onApplicationEvent(final EmbeddedServletContainerInitializedEvent event) {
          int thePort = event.getEmbeddedServletContainer().getPort();
      }
    }

Right click your project > Run As > Run Configuration... > Java Application (in left side panel) - double click on it. That will create new configuration. click on search button under Main Class section and select your main class from it.

If you are using tortoise git you can right-click on a file and git a diff by: Right-clicking on the first file and through the tortoisegit submenu select "Diff later" Then on the second file you can also right-click on this, go to the tortoisegit submenu and then select "Diff with yourfilenamehere.txt"

Download the oracle ojdbc driver from Oracle official website.

Install/Add Oracle driver to the local maven repository mvn install:install-file -DgroupId=com.oracle -DartifactId=ojdbc7 -Dpackaging=jar -Dversion=12.1.0.1 -Dfile=ojdbc7.jar -DgeneratePom=true

Specify the downloaded file location via -Dfile=

Add the following dependency in your pom file

<dependency>
    <groupId>com.oracle</groupId>
    <artifactId>ojdbc7</artifactId>
    <version>12.1.0.1</version>
</dependency>

Use the same groupId/artifactId as specified in your mvn install command. Finally clean your project.

Here is the working code to find the min and max in the array.I hope you will find it helpful:

 import java.util.Random;
 import java.util.Scanner;
 public class FindMin {
    public static void main(String[] args){
        System.out.println("Main Method Started");
        Scanner in = new Scanner(System.in);
        System.out.println("Enter the size of the arr");
        int size = in.nextInt();
        System.out.println("Enter the maximum value of the arr");
        int max = in.nextInt();
        int [] arr  = initializeArr(max, size);
        print(arr);
        findMinMax(arr);
        System.out.println("Main Method Ended");
    }
    public static void print(int[] arr){
        for(int val:arr){
            System.out.print(val + " ");
        }
        System.out.println();
    }
    public static int[] initializeArr(int max,int size){
        Random random = new Random();
        int [] arr = new int[size];
        for(int ii=0;ii<arr.length;ii++){
            arr[ii]=random.nextInt(max);
        }
        return arr;
    }
    public static void findMinMax(int[] arr){
        int min=arr[0];
        int max=arr[0];
        for(int ii=0;ii<arr.length;ii++){
            if(arr[ii]<min){
                min=arr[ii];
            }
            else if(arr[ii]>max){
                max=arr[ii];
            }
        }
        System.out.println("The minimum in the arr::"+min);
        System.out.println("The maximum in the arr::"+max);
    }
}

TypeScript users:

I know the OP asked about javascript, but for any TypeScript users who come across this who want to spy on an imported function, here's what you can do.

In the test file, convert the import of the function from this:

import {foo} from '../foo_functions';

x = foo(y);

To this:

import * as FooFunctions from '../foo_functions';

x = FooFunctions.foo(y);

Then you can spy on FooFunctions.foo :)

spyOn(FooFunctions, 'foo').and.callFake(...);
// ...
expect(FooFunctions.foo).toHaveBeenCalled();

While Andriy's proposal will work well for INSERTs of a small number of records, full table scans will be done on the final join as both 'enumerated' and '@new_super' are not indexed, resulting in poor performance for large inserts.

This can be resolved by specifying a primary key on the @new_super table, as follows:

DECLARE @new_super TABLE (
  row_num INT IDENTITY(1,1) PRIMARY KEY CLUSTERED,
  super_id   int
);

This will result in the SQL optimizer scanning through the 'enumerated' table but doing an indexed join on @new_super to get the new key.

Given an answer as high voted and views. I did find the answer with mixed of here and other links.

I have a scenario where all patient-related menu is disabled if a patient is not selected. (Refer link - how to disable a li tag using JavaScript)

//css
.disabled{
    pointer-events:none;
    opacity:0.4;
}
// jqvery
$("li a").addClass('disabled');
// remove .disabled when you are done

So rather than write long code, I found an interesting solution via CSS.

$(document).ready(function () {_x000D_
 var PatientId ; _x000D_
 //var PatientId =1;  //remove to test enable i.e. patient selected_x000D_
 if (typeof PatientId == "undefined" || PatientId == "" || PatientId == 0 || PatientId == null) {_x000D_
  console.log(PatientId);_x000D_
  $("#dvHeaderSubMenu a").each(function () {   _x000D_
   $(this).addClass('disabled');_x000D_
  });  _x000D_
  return;_x000D_
 }_x000D_
})

.disabled{_x000D_
    pointer-events:none;_x000D_
    opacity:0.4;_x000D_
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>_x000D_
_x000D_
<div id="dvHeaderSubMenu">_x000D_
     <ul class="m-nav m-nav--inline pull-right nav-sub">_x000D_
      <li class="m-nav__item">_x000D_
       <a href="#" onclick="console.log('PatientMenu Clicked')" >_x000D_
        <i class="m-nav__link-icon fa fa-tachometer"></i>_x000D_
        Overview_x000D_
       </a>_x000D_
      </li>_x000D_
_x000D_
      <li class="m-nav__item active">_x000D_
       <a href="#" onclick="console.log('PatientMenu Clicked')" >_x000D_
        <i class="m-nav__link-icon fa fa-user"></i>_x000D_
        Personal_x000D_
       </a>_x000D_
      </li>_x000D_
            <li class="m-nav__item m-dropdown m-dropdown--inline m-dropdown--arrow" data-dropdown-toggle="hover">_x000D_
       <a href="#" class="m-dropdown__toggle dropdown-toggle" onclick="console.log('PatientMenu Clicked')">_x000D_
        <i class="m-nav__link-icon flaticon-medical-8"></i>_x000D_
        Insurance Claim_x000D_
       </a>_x000D_
       <div class="m-dropdown__wrapper">_x000D_
        <span class="m-dropdown__arrow m-dropdown__arrow--left"></span>_x000D_
        _x000D_
           <ul class="m-nav">_x000D_
            <li class="m-nav__item">_x000D_
             <a href="#" class="m-nav__link" onclick="console.log('PatientMenu Clicked')" >_x000D_
              <i class="m-nav__link-icon flaticon-toothbrush-1"></i>_x000D_
              <span class="m-nav__link-text">_x000D_
               Primary_x000D_
              </span>_x000D_
             </a>_x000D_
            </li>_x000D_
            <li class="m-nav__item">_x000D_
             <a href="#" class="m-nav__link" onclick="console.log('PatientMenu Clicked')">_x000D_
              <i class="m-nav__link-icon flaticon-interface"></i>_x000D_
              <span class="m-nav__link-text">_x000D_
               Secondary_x000D_
              </span>_x000D_
             </a>_x000D_
            </li>_x000D_
            <li class="m-nav__item">_x000D_
             <a href="#" class="m-nav__link" onclick="console.log('PatientMenu Clicked')">_x000D_
              <i class="m-nav__link-icon flaticon-healthy"></i>_x000D_
              <span class="m-nav__link-text">_x000D_
               Medical_x000D_
              </span>_x000D_
             </a>_x000D_
            </li>_x000D_
           </ul>_x000D_
          _x000D_
       _x000D_
      </li>_x000D_
     </ul>            _x000D_
</div>

I also faced this type of issue.I am using tomcat server then i put endorsed folder in tomcat then its start working.And also i replaced JDK1.6 with 1.7 then also its working.Finally i learn SSL then I resolved this type of issues.First you need to download the certificates from that servie provider server.then you are handshake is successfull. 1.Try to put endorsed folder in your server Next way 2.use jdk1.7

Next 3.Try to download valid certificates using SSL

useEffect can hook on a certain prop or state. so, the thing you need to do to avoid infinite loop hook is binding some variable or state to effect

For Example:

useEffect(myeffectCallback, [])

above effect will fire only once the component has rendered. this is similar to componentDidMount lifecycle

const [something, setSomething] = withState(0)
const [myState, setMyState] = withState(0)
useEffect(() => {
  setSomething(0)
}, myState)

above effect will fire only my state has changed this is similar to componentDidUpdate except not every changing state will fire it.

You can read more detail though this link

function getProductionGroupItems($itemId){
     $this->db->select("*");
     $this->db->where("id",$itemId);
     $this->db->or_where("parent_item_id",$itemId);

    /*********** order by *********** */
     $this->db->order_by("id", "asc");

     $q=$this->db->get("recipe_products");
     if($q->num_rows()>0){
         foreach($q->result() as $row){
             $data[]=$row;
         }
         return $data;
     }
    return false;
}

Beginning from version 1.2.0-alpha02 of androidx recyclerView library, it is now automatically managed. Just add it with:

implementation "androidx.recyclerview:recyclerview:1.2.0-alpha02"

And use:

adapter.stateRestorationPolicy = StateRestorationPolicy.PREVENT_WHEN_EMPTY

The StateRestorationPolicy enum has 3 options:

• ALLOW — the default state, that restores the RecyclerView state immediately, in the next layout pass
• PREVENT_WHEN_EMPTY — restores the RecyclerView state only when the adapter is not empty (adapter.getItemCount() > 0). If your data is loaded async, the RecyclerView waits until data is loaded and only then the state is restored. If you have default items, like headers or load progress indicators as part of your Adapter, then you should use the PREVENT option, unless the default items are added using MergeAdapter. MergeAdapter waits for all of its adapters to be ready and only then it restores the state.
• PREVENT — all state restoration is deferred until you set ALLOW or PREVENT_WHEN_EMPTY.

Note that at the time of this answer, recyclerView library is still in alpha03, but alpha phase is not suitable for production purposes.

The getElementById method returns an Element object that you can use to interact with the element. If the element is not found, null is returned. In case of an input element, the value property of the object contains the string in the value attribute.

By using the fact that the && operator short circuits, and that both null and the empty string are considered "falsey" in a boolean context, we can combine the checks for element existence and presence of value data as follows:

var myInput = document.getElementById("customx");
if (myInput && myInput.value) {
  alert("My input has a value!");
}

If you are using Windows.Data.Xml.Dom.XmlDocument version of XmlDocument (used in UWP apps for example), you can use yourXmlDocument.GetXml() to get the XML as a string.

It is possible the other branch you try to pull from is out of synch; so before adding and removing remote try to (if you are trying to pull from master)

git pull origin master

for me that simple call solved those error messages:

• fatal: 'master' does not appear to be a git repository
• fatal: Could not read from remote repository.

The documentation for Gerrit, in particular the "Push changes" section, explains that you push to the "magical refs/for/'branch' ref using any Git client tool".

The following image is taken from the Intro to Gerrit. When you push to Gerrit, you do git push gerrit HEAD:refs/for/<BRANCH>. This pushes your changes to the staging area (in the diagram, "Pending Changes"). Gerrit doesn't actually have a branch called <BRANCH>; it lies to the git client.

Internally, Gerrit has its own implementation for the Git and SSH stacks. This allows it to provide the "magical" refs/for/<BRANCH> refs.

When a push request is received to create a ref in one of these namespaces Gerrit performs its own logic to update the database, and then lies to the client about the result of the operation. A successful result causes the client to believe that Gerrit has created the ref, but in reality Gerrit hasn’t created the ref at all. [Link - Gerrit, "Gritty Details"].

After a successful patch (i.e, the patch has been pushed to Gerrit, [putting it into the "Pending Changes" staging area], reviewed, and the review has passed), Gerrit pushes the change from the "Pending Changes" into the "Authoritative Repository", calculating which branch to push it into based on the magic it did when you pushed to refs/for/<BRANCH>. This way, successfully reviewed patches can be pulled directly from the correct branches of the Authoritative Repository.

#include<stdio.h>
#include<signal.h>
#include<unistd.h>

void sig_handler(int signo)
{
  if (signo == SIGINT)
    printf("received SIGINT\n");
}

int main(void)
{
  if (signal(SIGINT, sig_handler) == SIG_ERR)
  printf("\ncan't catch SIGINT\n");
  // A long long wait so that we can easily issue a signal to this process
  while(1) 
    sleep(1);
  return 0;
}

The function sig_handler checks if the value of the argument passed is equal to the SIGINT, then the printf is executed.

To get something like this

with Bootstrap 3 and Jquery use the following HTML code:

<div class="btn-group">
  <input id="searchinput" type="search" class="form-control">
  <span id="searchclear" class="glyphicon glyphicon-remove-circle"></span>
</div>

and some CSS:

#searchinput {
    width: 200px;
}
#searchclear {
    position: absolute;
    right: 5px;
    top: 0;
    bottom: 0;
    height: 14px;
    margin: auto;
    font-size: 14px;
    cursor: pointer;
    color: #ccc;
}

and Javascript:

$("#searchclear").click(function(){
    $("#searchinput").val('');
});

Of course you have to write more Javascript for whatever functionality you need, e.g. to hide the 'x' if the input is empty, make Ajax requests and so on. See http://www.bootply.com/121508

The accepted answer may be the best and most stable way to get a version number into an application statically, but does not actually answer the original question: How to retrieve the artifact's version number from pom.xml? Thus, I want to offer an alternative showing how to do it dynamically during runtime:

You can use Maven itself. To be more exact, you can use a Maven library.

<dependency>
  <groupId>org.apache.maven</groupId>
  <artifactId>maven-model</artifactId>
  <version>3.3.9</version>
</dependency>

And then do something like this in Java:

package de.scrum_master.app;

import org.apache.maven.model.Model;
import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;

import java.io.FileReader;
import java.io.IOException;

public class Application {
    public static void main(String[] args) throws IOException, XmlPullParserException {
        MavenXpp3Reader reader = new MavenXpp3Reader();
        Model model = reader.read(new FileReader("pom.xml"));
        System.out.println(model.getId());
        System.out.println(model.getGroupId());
        System.out.println(model.getArtifactId());
        System.out.println(model.getVersion());
    }
}

The console log is as follows:

de.scrum-master.stackoverflow:my-artifact:jar:1.0-SNAPSHOT
de.scrum-master.stackoverflow
my-artifact
1.0-SNAPSHOT

Update 2017-10-31: In order to answer Simon Sobisch's follow-up question I modified the example like this:

package de.scrum_master.app;

import org.apache.maven.model.Model;
import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;

import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Application {
  public static void main(String[] args) throws IOException, XmlPullParserException {
    MavenXpp3Reader reader = new MavenXpp3Reader();
    Model model;
    if ((new File("pom.xml")).exists())
      model = reader.read(new FileReader("pom.xml"));
    else
      model = reader.read(
        new InputStreamReader(
          Application.class.getResourceAsStream(
            "/META-INF/maven/de.scrum-master.stackoverflow/aspectj-introduce-method/pom.xml"
          )
        )
      );
    System.out.println(model.getId());
    System.out.println(model.getGroupId());
    System.out.println(model.getArtifactId());
    System.out.println(model.getVersion());
  }
}

If you wish to stream the CSV out to the user without creating a file then I found the following to be the simplest method. You can use any extension/method to create the ToCsv() function (which returns a string based on the given DataTable).

        var report = myDataTable.ToCsv();
        var bytes = Encoding.GetEncoding("iso-8859-1").GetBytes(report);

        Response.Buffer = true;
        Response.Clear();
        Response.AddHeader("content-disposition", "attachment; filename=report.csv");
        Response.ContentType = "text/csv";
        Response.BinaryWrite(bytes);
        Response.End();

You are trying to run Java code with Python. In Python/Selenium, the org.openqa.selenium.interactions.Actions are reflected in ActionChains class:

from selenium.webdriver.common.action_chains import ActionChains

element = driver.find_element_by_id("my-id")

actions = ActionChains(driver)
actions.move_to_element(element).perform()

Or, you can also "scroll into view" via scrollIntoView():

driver.execute_script("arguments[0].scrollIntoView();", element)

If you are interested in the differences:

• scrollIntoView vs moveToElement

According to RFC 4337 § 2, video/mp4 is indeed the correct Content-Type for MPEG-4 video.

Generally, you can find official MIME definitions by searching for the file extension and "IETF" or "RFC". The RFC (Request for Comments) articles published by the IETF (Internet Engineering Taskforce) define many Internet standards, including MIME types.

In Oracle you can do this:

SELECT * FROM table1 WHERE (col_a,col_b) IN (SELECT col_x,col_y FROM table2)

use:

#ifdef __linux__ 
    //linux code goes here
#elif _WIN32
    // windows code goes here
#else

#endif

def reverse_string(string):
    length = len(string)
    temp = ''
    for i in range(length):
        temp += string[length - i - 1]
    return temp

print(reverse_string('foo')) #prints "oof"

This works by looping through a string and assigning its values in reverse order to another string.

As you're making a synchronous request, that should be

function getRemote() {
    return $.ajax({
        type: "GET",
        url: remote_url,
        async: false
    }).responseText;
}

Example - http://api.jquery.com/jQuery.ajax/#example-3

PLEASE NOTE: Setting async property to false is deprecated and in the process of being removed (link). Many browsers including Firefox and Chrome have already started to print a warning in the console if you use this:

Chrome:

Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/.

Firefox:

Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user’s experience. For more help http://xhr.spec.whatwg.org/

 db.getCollection('aj').find({"shapes.color":"red"},{"shapes.$":1})

OUTPUTS

{

   "shapes" : [ 
       {
           "shape" : "circle",
           "color" : "red"
       }
   ]
}

When using angularjs with express

On my example I was using angularjs with express doing the routing so using $routeParams would mess up with my routing. I used the following code to get what I was expecting:

const getParameters = (temp, path) => {
  const parameters = {};
  const tempParts = temp.split('/');
  const pathParts = path.split('/');
  for (let i = 0; i < tempParts.length; i++) {
    const element = tempParts[i];
    if(element.startsWith(':')) {
      const key = element.substring(1,element.length);
      parameters[key] = pathParts[i];
    }
  }
  return parameters;
};

This receives a URL template and the path of the given location. The I just call it with:

const params = getParameters('/:table/:id/visit/:place_id/on/:interval/something', $location.path()); 

Putting it all together my controller is:

.controller('TestController', ['$scope', function($scope, $window) {
  const getParameters = (temp, path) => {
    const parameters = {};
    const tempParts = temp.split('/');
    const pathParts = path.split('/');
    for (let i = 0; i < tempParts.length; i++) {
      const element = tempParts[i];
      if(element.startsWith(':')) {
        const key = element.substring(1,element.length);
        parameters[key] = pathParts[i];
      }
    }
    return parameters;
  };

const params = getParameters('/:table/:id/visit/:place_id/on/:interval/something', $window.location.pathname);
}]);

The result will be:

{ table: "users", id: "1", place_id: "43", interval: "week" }

Hope this helps someone out there!

Oh, but that's ugly, non-object-oriented code. The moment you see "if/else" and "typeof", you should be thinking polymorphism. This is the wrong way to go. I think generics are your friend here.

How many types do you plan to deal with?

UPDATE:

If you're just talking about String and int, here's one way you might do it. Start with the interface XmlGenerator (enough with "foo"):

package generics;

public interface XmlGenerator<T>
{
   String getXml(T value);
}

And the concrete implementation XmlGeneratorImpl:

    package generics;

public class XmlGeneratorImpl<T> implements XmlGenerator<T>
{
    private Class<T> valueType;
    private static final int DEFAULT_CAPACITY = 1024;

    public static void main(String [] args)
    {
        Integer x = 42;
        String y = "foobar";

        XmlGenerator<Integer> intXmlGenerator = new XmlGeneratorImpl<Integer>(Integer.class);
        XmlGenerator<String> stringXmlGenerator = new XmlGeneratorImpl<String>(String.class);

        System.out.println("integer: " + intXmlGenerator.getXml(x));
        System.out.println("string : " + stringXmlGenerator.getXml(y));
    }

    public XmlGeneratorImpl(Class<T> clazz)
    {
        this.valueType = clazz;
    }

    public String getXml(T value)
    {
        StringBuilder builder = new StringBuilder(DEFAULT_CAPACITY);

        appendTag(builder);
        builder.append(value);
        appendTag(builder, false);

        return builder.toString();
    }

    private void appendTag(StringBuilder builder) { this.appendTag(builder, false); }

    private void appendTag(StringBuilder builder, boolean isClosing)
    {
        String valueTypeName = valueType.getName();
        builder.append("<").append(valueTypeName);
        if (isClosing)
        {
            builder.append("/");
        }
        builder.append(">");
    }
}

If I run this, I get the following result:

integer: <java.lang.Integer>42<java.lang.Integer>
string : <java.lang.String>foobar<java.lang.String>

I don't know if this is what you had in mind.

SELECT left(NAME, charindex('_', NAME) - 1)
FROM tempdb..sysobjects
WHERE NAME LIKE '#%'
    AND NAME NOT LIKE '##%'
    AND upper(xtype) = 'U'
    AND NOT object_id('tempdb..' + NAME) IS NULL

you can remove the ## line if you want to include global temp tables.

Apple hand three categories of certificates: Trusted, Always Ask and Blocked. You'll encounter the issue if your certificate's type on the Blocked and Always Ask list. On Safari it show’s like:

And you can find the type of Always Ask certificates on Settings > General > About > Certificate Trust Setting

There is the List of available trusted root certificates in iOS 11

Blocking Trust for WoSign CA Free SSL Certificate G2

In jQuery you can trigger a click like this:

$('#foo').trigger('click');

More here:

http://api.jquery.com/trigger/

If you want to do the same using prototype, it looks like this:

$('foo').simulate('click');

For Android Studio add the following to your top-level build.gradle file within the allprojects block

tasks.withType(JavaCompile) {
    options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation" 
}

sp_helplogins will give you the logins along with the DBs and the rights on them.

_{(See the history on this answer to get the more elaborate text, but I now think it's easier for the reader to see real command lines).}

Common files shared by all below commands

$ cat a.cpp
extern int a;
int main() {
  return a;
}

$ cat b.cpp
extern int b;
int a = b;

$ cat d.cpp
int b;

Linking to static libraries

$ g++ -c b.cpp -o b.o
$ ar cr libb.a b.o
$ g++ -c d.cpp -o d.o
$ ar cr libd.a d.o

$ g++ -L. -ld -lb a.cpp # wrong order
$ g++ -L. -lb -ld a.cpp # wrong order
$ g++ a.cpp -L. -ld -lb # wrong order
$ g++ a.cpp -L. -lb -ld # right order

The linker searches from left to right, and notes unresolved symbols as it goes. If a library resolves the symbol, it takes the object files of that library to resolve the symbol (b.o out of libb.a in this case).

Dependencies of static libraries against each other work the same - the library that needs symbols must be first, then the library that resolves the symbol.

If a static library depends on another library, but the other library again depends on the former library, there is a cycle. You can resolve this by enclosing the cyclically dependent libraries by -( and -), such as -( -la -lb -) (you may need to escape the parens, such as -\( and -\)). The linker then searches those enclosed lib multiple times to ensure cycling dependencies are resolved. Alternatively, you can specify the libraries multiple times, so each is before one another: -la -lb -la.

Linking to dynamic libraries

$ export LD_LIBRARY_PATH=. # not needed if libs go to /usr/lib etc
$ g++ -fpic -shared d.cpp -o libd.so
$ g++ -fpic -shared b.cpp -L. -ld -o libb.so # specifies its dependency!

$ g++ -L. -lb a.cpp # wrong order (works on some distributions)
$ g++ -Wl,--as-needed -L. -lb a.cpp # wrong order
$ g++ -Wl,--as-needed a.cpp -L. -lb # right order

It's the same here - the libraries must follow the object files of the program. The difference here compared with static libraries is that you need not care about the dependencies of the libraries against each other, because dynamic libraries sort out their dependencies themselves.

Some recent distributions apparently default to using the --as-needed linker flag, which enforces that the program's object files come before the dynamic libraries. If that flag is passed, the linker will not link to libraries that are not actually needed by the executable (and it detects this from left to right). My recent archlinux distribution doesn't use this flag by default, so it didn't give an error for not following the correct order.

It is not correct to omit the dependency of b.so against d.so when creating the former. You will be required to specify the library when linking a then, but a doesn't really need the integer b itself, so it should not be made to care about b's own dependencies.

Here is an example of the implications if you miss specifying the dependencies for libb.so

$ export LD_LIBRARY_PATH=. # not needed if libs go to /usr/lib etc
$ g++ -fpic -shared d.cpp -o libd.so
$ g++ -fpic -shared b.cpp -o libb.so # wrong (but links)

$ g++ -L. -lb a.cpp # wrong, as above
$ g++ -Wl,--as-needed -L. -lb a.cpp # wrong, as above
$ g++ a.cpp -L. -lb # wrong, missing libd.so
$ g++ a.cpp -L. -ld -lb # wrong order (works on some distributions)
$ g++ -Wl,--as-needed a.cpp -L. -ld -lb # wrong order (like static libs)
$ g++ -Wl,--as-needed a.cpp -L. -lb -ld # "right"

If you now look into what dependencies the binary has, you note the binary itself depends also on libd, not just libb as it should. The binary will need to be relinked if libb later depends on another library, if you do it this way. And if someone else loads libb using dlopen at runtime (think of loading plugins dynamically), the call will fail as well. So the "right" really should be a wrong as well.

I resolved it like this:

<% @user.errors.each do |attr, msg| %>
  <li>
    <%= @user.errors.full_messages_for(attr).first if @user.errors[attr].first == msg %>
  </li>
<% end %>

This way you are using the locales for the error messages.

In Arch Linux/Manjaro: sudo pacman -S gradle

Rule #1 of security for programmers: Don't roll your own

Unless you are yourself a security expert and/or cryptographer, always use a well-designed, well-tested, and mature security platform, framework, or library to do the work for you. These things have spent years being thought out, patched, updated, and examined by experts and hackers alike. You want to gain those advantages, not dismiss them by trying to reinvent the wheel.

Now, that's not to say you don't need to learn anything about security. You certainly need to know enough to understand what you're doing and make sure you're using the tools correctly. However, if you ever find yourself about to start writing your own cryptography algorithm, authentication system, input sanitizer, etc, stop, take a step back, and remember rule #1.