It is quite easy to solve your task. You should create and use a new variable for summing values of the "Doctor Payment" column.

In your case the variable can be declared like this:

<variable name="total" class="java.lang.Integer" calculation="Sum">
    <variableExpression><![CDATA[$F{payment}]]></variableExpression>
</variable>

• the Calculation type is Sum;
• the Reset type is Report;
• the Variable expression is $F{payment}, where $F{payment} is the name of a field contains sum (Doctor Payment).

The working example.

CSV datasource:

doctor_id,payment
A1,123
B1,223
C2,234
D3,678
D1,343

The template:

<?xml version="1.0" encoding="UTF-8"?>
<jasperReport ...>
    <queryString>
        <![CDATA[]]>
    </queryString>
    <field name="doctor_id" class="java.lang.String"/>
    <field name="payment" class="java.lang.Integer"/>
    <variable name="total" class="java.lang.Integer" calculation="Sum">
        <variableExpression><![CDATA[$F{payment}]]></variableExpression>
    </variable>
    <columnHeader>
        <band height="20" splitType="Stretch">
            <staticText>
                <reportElement x="0" y="0" width="100" height="20"/>
                <box leftPadding="10"/>
                <textElement textAlignment="Center" verticalAlignment="Middle">
                    <font size="10" isBold="true" isItalic="true"/>
                </textElement>
                <text><![CDATA[Doctor ID]]></text>
            </staticText>
            <staticText>
                <reportElement x="100" y="0" width="100" height="20"/>
                <box leftPadding="10"/>
                <textElement textAlignment="Center" verticalAlignment="Middle">
                    <font size="10" isBold="true" isItalic="true"/>
                </textElement>
                <text><![CDATA[Doctor Payment]]></text>
            </staticText>
        </band>
    </columnHeader>
    <detail>
        <band height="20" splitType="Stretch">
            <textField>
                <reportElement x="0" y="0" width="100" height="20"/>
                <box leftPadding="10"/>
                <textElement/>
                <textFieldExpression><![CDATA[$F{doctor_id}]]></textFieldExpression>
            </textField>
            <textField>
                <reportElement x="100" y="0" width="100" height="20"/>
                <box leftPadding="10"/>
                <textElement/>
                <textFieldExpression><![CDATA[$F{payment}]]></textFieldExpression>
            </textField>
        </band>
    </detail>
    <summary>
        <band height="20">
            <staticText>
                <reportElement x="0" y="0" width="100" height="20"/>
                <box leftPadding="10"/>
                <textElement>
                    <font isBold="true"/>
                </textElement>
                <text><![CDATA[Total]]></text>
            </staticText>
            <textField>
                <reportElement x="100" y="0" width="100" height="20"/>
                <box leftPadding="10"/>
                <textElement>
                    <font isBold="true" isItalic="true"/>
                </textElement>
                <textFieldExpression><![CDATA[$V{total}]]></textFieldExpression>
            </textField>
        </band>
    </summary>
</jasperReport>

The result will be:

You can find a lot of info in the JasperReports Ultimate Guide.

Use the code by the user @useless-code above (https://stackoverflow.com/a/21016088/327386) to generate the file. If you want to download the file automatically, pass the textFile that was just generated to this function:

var downloadFile = function downloadURL(url) {
    var hiddenIFrameID = 'hiddenDownloader',
    iframe = document.getElementById(hiddenIFrameID);
    if (iframe === null) {
        iframe = document.createElement('iframe');
        iframe.id = hiddenIFrameID;
        iframe.style.display = 'none';
        document.body.appendChild(iframe);
    }
    iframe.src = url;
}

To solve this you must ensure the following is true on the machine hosting SQL Server...

1. Ensure Server Browser service is running
2. Ensure TCP/IP communication is enabled for each instance you wish to communicate with over the network.
3. If running multiple instances, ensure each instance is using a different port, and that the port is not in use. e.g for two instance 1433 (default port for the default instance, 1435 for a named instance.
4. Ensure the firewall has an entry to allow communication with SQL Server browser on port 1434 over the UDP protocol.
5. Ensure the firewall has an entry to allow communication with SQL Server instances on the ports assigned to them in step 3 over the TCP protocol

Define the class before you use it:

class Something:
    def out(self):
        print("it works")

s = Something()
s.out()

You need to pass self as the first argument to all instance methods.

Imo, the best way to parse your JSON response with GSON would be creating classes that "match" your response and then use Gson.fromJson() method.
For example:

class Response {
    Map<String, App> descriptor;
    // standard getters & setters...
}

class App {
  String name;
  int age;
  String[] messages;
  // standard getters & setters...
}

Then just use:

Gson gson = new Gson();
Response response = gson.fromJson(yourJson, Response.class);

Where yourJson can be a String, any Reader, a JsonReader or a JsonElement.

Finally, if you want to access any particular field, you just have to do:

String name = response.getDescriptor().get("app3").getName();

You can always parse the JSON manually as suggested in other answers, but personally I think this approach is clearer, more maintainable in long term and it fits better with the whole idea of JSON.

I think it's quite dangerous to rely on the order of the values in a enum and to assume that the first is always the default. This would be good practice if you are concerned about protecting the default value.

enum E
{
    Foo = 0, Bar, Baz, Quux
}

Otherwise, all it takes is a careless refactor of the order and you've got a completely different default.

width = 5
num = 3
formatted = (width - len(str(num))) * "0" + str(num)
print formatted

for(std::map<std::string, std::map<std::string, std::string> >::iterator outer_iter=map.begin(); outer_iter!=map.end(); ++outer_iter) {
    for(std::map<std::string, std::string>::iterator inner_iter=outer_iter->second.begin(); inner_iter!=outer_iter->second.end(); ++inner_iter) {
        std::cout << inner_iter->second << std::endl;
    }
}

or nicer in C++0x:

for(auto outer_iter=map.begin(); outer_iter!=map.end(); ++outer_iter) {
    for(auto inner_iter=outer_iter->second.begin(); inner_iter!=outer_iter->second.end(); ++inner_iter) {
        std::cout << inner_iter->second << std::endl;
    }
}

When I accidentally switched to a guest wifi network I got this error. Had to switch back to my default wifi network.

Consider:

Function GetFolder() As String
    Dim fldr As FileDialog
    Dim sItem As String
    Set fldr = Application.FileDialog(msoFileDialogFolderPicker)
    With fldr
        .Title = "Select a Folder"
        .AllowMultiSelect = False
        .InitialFileName = Application.DefaultFilePath
        If .Show <> -1 Then GoTo NextCode
        sItem = .SelectedItems(1)
    End With
NextCode:
    GetFolder = sItem
    Set fldr = Nothing
End Function

This code was adapted from Ozgrid

and as jkf points out, from Mr Excel

You can use this simple code in loop by incrementing count

cv2.imwrite("C:\Sharat\Python\Images\frame%d.jpg" % count, image)

images will be saved in the folder by name line frame0.jpg, frame1.jpg frame2.jpg etc..

The config section seems sound as it works if when pages are accessed normally. I've tried the other configurations suggested but the problem is still there.

I doubt the problem is in the Session provider since it works without the routing.

Just add this class in your .css file.

.select2-search__field{width:100% !important;}

Yup, this is possible of course. Here are several examples.

-- one way to do this
DECLARE @Cnt int

SELECT @Cnt = COUNT(SomeColumn)
FROM TableName
GROUP BY SomeColumn

-- another way to do the same thing
DECLARE @StreetName nvarchar(100)
SET @StreetName = (SELECT Street_Name from Streets where Street_ID = 123)

-- Assign values to several variables at once
DECLARE @val1 nvarchar(20)
DECLARE @val2 int
DECLARE @val3 datetime
DECLARE @val4 uniqueidentifier
DECLARE @val5 double

SELECT @val1 = TextColumn,
@val2 = IntColumn,
@val3 = DateColumn,
@val4 = GuidColumn,
@val5 = DoubleColumn
FROM SomeTable

I took the above but had to add one more piece because it was putting a space after the hour which gave a syntax error with the rename command. I used:

    set HR=%time:~0,2%
    set HR=%Hr: =0% 
    set HR=%HR: =%
    rename c:\ops\logs\copyinvoices.log copyinvoices_results_%date:~10,4%-%date:~4,2%-%date:~7,2%_%HR%%time:~3,2%.log 

This gave me my format I needed: copyinvoices_results_2013-09-13_0845.log

Just to share another method, you can use Function Generators to achieve the result as well:

function findAllIndexOf(target, needle) {_x000D_
  return [].concat(...(function*(){_x000D_
    for (var i = 0; i < target.length; i++) if (target[i] === needle) yield [i];_x000D_
  })());_x000D_
}_x000D_
_x000D_
var target = "hellooooo";_x000D_
var target2 = ['w','o',1,3,'l','o'];_x000D_
_x000D_
console.log(findAllIndexOf(target, 'o'));_x000D_
console.log(findAllIndexOf(target2, 'o'));

I'm on Bootstrap 4, using fullPage.js with a fixed top nav, and tried everything listed here, with mixed results.

• Tried the best, clean way :

  data-toggle="collapse" data-target=".navbar-collapse.show"
  

  The menu would collapse, but the href links wouldn't lead anywhere.

• Tried the logical other ways :

  $('myClickableElements').on('click touchstart', function(){
    $(".navbar-collapse.show").collapse('hide');
    // or
    $(".navbar-collapse.show").collapse('toggle');
    // or
    $('.navbar-toggler').click()
  });
  

  There would be some weird behavior because of the touchstart event : the clicked buttons would end up not be the ones I actually clicked, hence breaking the links. Plus it would add the .show class to some other unrelated dropdowns in my nav, causing some more weird stuff.

• Tried to change div to li
• Tried to e.preventDefault() and e.stopPropagation()
• Tried and tried more

Nothing would work.

So, instead, I had the (so far) marvelous idea of doing that :

$(window).on('hashchange',function(){
   $(".navbar-collapse.show").collapse('hide');
});

I already had stuff in that hashchange function, si I just had to add this line.

It actually does exactly what I want : collapsing the menu when the hash changes (i.e. a click leading somewhere else has occurred). Which is good, cause I can now have links in my menu that won't collapse it.

Who knows, maybe this will help someone in my situation!

And thanks to everyone who has participated in that thread, lots of info to be learned here.

Oracle SQL Server Insert Multiple Rows

In a multitable insert, you insert computed rows derived from the rows returned from the evaluation of a subquery into one or more tables.

Unconditional INSERT ALL:- To add multiple rows to a table at once, you use the following form of the INSERT statement:

INSERT ALL
   INTO table_name (column_list) VALUES (value_list_1)
   INTO table_name (column_list) VALUES (value_list_2)
   INTO table_name (column_list) VALUES (value_list_3)
   ...
   INTO table_name (column_list) VALUES (value_list_n)
SELECT 1 FROM DUAL; -- SubQuery

Specify ALL followed by multiple insert_into_clauses to perform an unconditional multitable insert. Oracle Database executes each insert_into_clause once for each row returned by the subquery.

MySQL Server Insert Multiple Rows

INSERT INTO table_name (column_list)
VALUES
    (value_list_1),
    (value_list_2),
    ...
    (value_list_n);

Single Row insert Query

INSERT INTO table_name (col1,col2) VALUES(val1,val2);

Care and feeding of Eclipse's memory hunger is a pain...

• http://www.eclipsezone.com/eclipse/forums/t104307.html
• https://bugs.eclipse.org/bugs/show_bug.cgi?id=188968
• https://bugs.eclipse.org/bugs/show_bug.cgi?id=238378

More or less, keep trying smaller amounts til it works, that's your max.

Best solution is randint , but this function produce integer numbers.

You can use rand with rounding function

  r = round(a + (b-a).*rand(m,n));

This produces Real random number between a and b , size of output matrix is m*n

I have build such kind of application using approximatively the same approach except :

• I cache the generated image on the disk and always generate two to three images in advance in a separate thread.
• I don't overlay with a UIImage but instead draw the image in the layer when zooming is 1. Those tiles will be released automatically when memory warnings are issued.

Whenever the user start zooming, I acquire the CGPDFPage and render it using the appropriate CTM. The code in - (void)drawLayer: (CALayer*)layer inContext: (CGContextRef) context is like :

CGAffineTransform currentCTM = CGContextGetCTM(context);    
if (currentCTM.a == 1.0 && baseImage) {
    //Calculate ideal scale
    CGFloat scaleForWidth = baseImage.size.width/self.bounds.size.width;
    CGFloat scaleForHeight = baseImage.size.height/self.bounds.size.height; 
    CGFloat imageScaleFactor = MAX(scaleForWidth, scaleForHeight);

    CGSize imageSize = CGSizeMake(baseImage.size.width/imageScaleFactor, baseImage.size.height/imageScaleFactor);
    CGRect imageRect = CGRectMake((self.bounds.size.width-imageSize.width)/2, (self.bounds.size.height-imageSize.height)/2, imageSize.width, imageSize.height);
    CGContextDrawImage(context, imageRect, [baseImage CGImage]);
} else {
    @synchronized(issue) { 
        CGPDFPageRef pdfPage = CGPDFDocumentGetPage(issue.pdfDoc, pageIndex+1);
        pdfToPageTransform = CGPDFPageGetDrawingTransform(pdfPage, kCGPDFMediaBox, layer.bounds, 0, true);
        CGContextConcatCTM(context, pdfToPageTransform);    
        CGContextDrawPDFPage(context, pdfPage);
    }
}

issue is the object containg the CGPDFDocumentRef. I synchronize the part where I access the pdfDoc property because I release it and recreate it when receiving memoryWarnings. It seems that the CGPDFDocumentRef object do some internal caching that I did not find how to get rid of.

All of the snippets on this page can be dramatically reduced in size.

The mysqli result set object can be immediately fed to a foreach() (because it is "iterable") which eliminates the need to maked iterated _fetch() calls.

Imploding each row will allow your code to correctly print all columnar data in the result set without modifying the code.

$sql = "SELECT * FROM MY_TABLE";
echo '<table>';
    foreach (mysqli_query($conn, $sql) as $row) {
        echo '<tr><td>' . implode('</td><td>', $row) . '</td></tr>';
    }
echo '</table>';

If you want to encode html entities, you can map each row:

implode('</td><td>' . array_map('htmlspecialchars', $row))

If you don't want to use implode, you can simply access all row data using associative array syntax. ($row['id'])

Try This:

echo ((strlen($row['style-info']) > 200) ? substr($row['style-info'],0,200).'...' : $row['style-info']);

Anyone arriving here who wants the quick answer to this problem. Replace the "Dropdown.prototype.toggle" function in your bootstrap.js (or dropdown.js) with the following:

  Dropdown.prototype.toggle = function (e) {
var $this = $(this)

if ($this.is('.disabled, :disabled')) return

var $parent  = getParent($this)
var isActive = $parent.hasClass('open')

clearMenus()

if (!isActive) {
    if ('ontouchstart' in document.documentElement && !$parent.closest('.navbar-nav').length) {
        // if mobile we use a backdrop because click events don't delegate
        $('<div class="dropdown-backdrop"/>').insertAfter($(this)).on('click', clearMenus)
    }

    var relatedTarget = { relatedTarget: this }
    $parent.trigger(e = $.Event('show.bs.dropdown', relatedTarget))

    if (e.isDefaultPrevented()) return

    $parent
      .toggleClass('open')
      .trigger('shown.bs.dropdown', relatedTarget)

    $this.focus()
}
else
{
    var href = $this.attr("href").trim();

    if (href != undefined && href != " javascript:;")
        window.location.href = href;
}

return false
  }

On the second click (ie: if the menu item has the class "open") it will first check if the href is undefined or set to "javascript:;" before sending you along your merry way.

Enjoy!

cURL-less you can use in php5

$url = 'URL';
$data = array('field1' => 'value', 'field2' => 'value');
$options = array(
        'http' => array(
        'header'  => "Content-type: application/x-www-form-urlencoded\r\n",
        'method'  => 'POST',
        'content' => http_build_query($data),
    )
);

$context  = stream_context_create($options);
$result = file_get_contents($url, false, $context);
var_dump($result);

datejs could parse following, you might want to try out.

Date.parse('1997-07-16T19:20:15')           // ISO 8601 Formats
Date.parse('1997-07-16T19:20:30+01:00')     // ISO 8601 with Timezone offset

Edit: Regex version

x = "2011-01-28T19:30:00EST"

MM = ["January", "February","March","April","May","June","July","August","September","October","November", "December"]

xx = x.replace(
    /(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):\d{2}(\w{3})/,
    function($0,$1,$2,$3,$4,$5,$6){
        return MM[$2-1]+" "+$3+", "+$1+" - "+$4%12+":"+$5+(+$4>12?"PM":"AM")+" "+$6
    }
)

Result

January 28, 2011 - 7:30PM EST

Edit2: I changed my timezone to EST and now I got following

x = "2011-01-28T19:30:00-05:00"

MM = {Jan:"January", Feb:"February", Mar:"March", Apr:"April", May:"May", Jun:"June", Jul:"July", Aug:"August", Sep:"September", Oct:"October", Nov:"November", Dec:"December"}

xx = String(new Date(x)).replace(
    /\w{3} (\w{3}) (\d{2}) (\d{4}) (\d{2}):(\d{2}):[^(]+\(([A-Z]{3})\)/,
    function($0,$1,$2,$3,$4,$5,$6){
        return MM[$1]+" "+$2+", "+$3+" - "+$4%12+":"+$5+(+$4>12?"PM":"AM")+" "+$6 
    }
)

return

January 28, 2011 - 7:30PM EST

Basically

String(new Date(x))

return

Fri Jan 28 2011 19:30:00 GMT-0500 (EST)

regex parts just converting above string to your required format.

January 28, 2011 - 7:30PM EST

This works:

inputValue = Math.Round(inputValue, 2);

Use .net inbuilt class JavaScriptSerializer

  JavaScriptSerializer js = new JavaScriptSerializer();
  string json = js.Serialize(obj);

How to Use Sockets in JavaScript/HTML?

There is no facility to use general-purpose sockets in JS or HTML. It would be a security disaster, for one.

There is WebSocket in HTML5. The client side is fairly trivial:

socket= new WebSocket('ws://www.example.com:8000/somesocket');
socket.onopen= function() {
    socket.send('hello');
};
socket.onmessage= function(s) {
    alert('got reply '+s);
};

You will need a specialised socket application on the server-side to take the connections and do something with them; it is not something you would normally be doing from a web server's scripting interface. However it is a relatively simple protocol; my noddy Python SocketServer-based endpoint was only a couple of pages of code.

In any case, it doesn't really exist, yet. Neither the JavaScript-side spec nor the network transport spec are nailed down, and no browsers support it.

You can, however, use Flash where available to provide your script with a fallback until WebSocket is widely available. Gimite's web-socket-js is one free example of such. However you are subject to the same limitations as Flash Sockets then, namely that your server has to be able to spit out a cross-domain policy on request to the socket port, and you will often have difficulties with proxies/firewalls. (Flash sockets are made directly; for someone without direct public IP access who can only get out of the network through an HTTP proxy, they won't work.)

Unless you really need low-latency two-way communication, you are better off sticking with XMLHttpRequest for now.

The issue you are encountering is a documented feature of get_or_create.

When using keyword arguments other than "defaults" the return value of get_or_create is an instance. That's why it is showing you the parens in the return value.

you could use customer.source = Source.objects.get_or_create(name="Website")[0] to get the correct value.

Here is a link for the documentation: http://docs.djangoproject.com/en/dev/ref/models/querysets/#get-or-create-kwargs

I'm a bit newer to Angular but what I found useful to do (and pretty simple) is I made a global script that I load onto my page before the local script with global variables that I need to access on all pages anyway. In that script, I created an object called "globalFunctions" and added the functions that I need to access globally as properties. e.g. globalFunctions.foo = myFunc();. Then, in each local script, I wrote $scope.globalFunctions = globalFunctions; and I instantly have access to any function I added to the globalFunctions object in the global script.

This is a bit of a workaround and I'm not sure it helps you but it definitely helped me as I had many functions and it was a pain adding all of them to each page.

import * as saveAsFunctions from 'file-saver';
..........
....... 
let saveAs;
            beforeEach(() => {
                saveAs = jasmine.createSpy('saveAs');
            })
            it('should generate the excel on sample request details page', () => {
                spyOn(saveAsFunctions, 'saveAs').and.callFake(saveAs);
                expect(saveAsFunctions.saveAs).toHaveBeenCalled();
            })

This worked for me.

on button click, first open the database, fetch the data and close the data base like this

public class cytaty extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.galeria);

        Button bLosuj = (Button) findViewById(R.id.button1);
        bLosuj.setOnClickListener(new View.OnClickListener() {

        public void onClick(View v) {
            myDatabaseHelper = new DatabaseHelper(cytaty.this);
            myDatabaseHelper.openDataBase();

            String text = myDatabaseHelper.getYourData(); //this is the method to query

            myDatabaseHelper.close(); 
            // set text to your TextView
            }
        });
    }
}

and your getYourData() in database class would be like this

public String[] getAppCategoryDetail() {

    final String TABLE_NAME = "name of table";

    String selectQuery = "SELECT  * FROM " + TABLE_NAME;
    SQLiteDatabase db  = this.getReadableDatabase();
    Cursor cursor      = db.rawQuery(selectQuery, null);
    String[] data      = null;

    if (cursor.moveToFirst()) {
        do {
           // get the data into array, or class variable
        } while (cursor.moveToNext());
    }
    cursor.close();
    return data;
}

Your countLines(String filename) method throws IOException.

You can't use it in a member declaration. You'll need to perform the operation in a main(String[] args) method.

Your main(String[] args) method will get the IOException thrown to it by countLines and it will need to handle or declare it.

Try this to just throw the IOException from main

public class MyClass {
  private int lineCount;
  public static void main(String[] args) throws IOException {
    lineCount = LineCounter.countLines(sFileName);
  }
}

or this to handle it and wrap it in an unchecked IllegalArgumentException:

public class MyClass {
  private int lineCount;
  private String sFileName  = "myfile";
  public static void main(String[] args) throws IOException {
    try {
      lineCount = LineCounter.countLines(sFileName);
     } catch (IOException e) {
       throw new IllegalArgumentException("Unable to load " + sFileName, e);
     }
  }
}

I just installed Linux Mint 19 (based on Ubuntu 18.04) on my machine. I installed MySQL 5.7 from the repo (sudo apt install mysql-server) and surprisingly during installation, the setup didn't prompt to enter root password. As a result I wasn't able to login into MySQL. I googled here and there and tried various answers I found on the net, including the accepted answer above. I uninstalled (purging all dpkgs with mysql in its name) and reinstalled again from the default Linux Mint repositories. NONE works.

After hours of unproductive works, I decided to reinstall MySQL from the official page. I opened MySQL download page (https://dev.mysql.com/downloads/repo/apt) for apt repo and clicked Download button at the bottom right.

Next, run it with dpkg:

sudo dpkg -i mysql-apt-config_0.8.10-1_all.deb

At the installation setup, choose the MySQL version that you'd like to install. The default option is 8.0 but I changed it to 5.7. Click OK to quit. After this, you have a new MySQL repo in your Software Sources.

Update your repo:

sudo apt update

Finally, install MySQL:

sudo apt install mysql-server

And now I was prompted to provide root password! Hope it helps for others with this same experience.

There's a prod() in numpy that does what you're asking for.

You may also have to use it in onPause or onDestroy of Activity Life Cycle:

//you may call the cancel() method but if it is not handled in doInBackground() method
if (loginTask != null && loginTask.getStatus() != AsyncTask.Status.FINISHED)
    loginTask.cancel(true);

where loginTask is object of your AsyncTask

Thank you.

If your directory structure is like this,

site
  application
         controller
                folder_1
                   first_controller.php
                   second_controller.php
                folder_2
                   first_controller.php
                   second_controller.php

And when you are going to redirect it in same controller in which you are working then just write the following code.

 $this->load->helper('url');
    if ($some_value === FALSE/TRUE) //You may give 0/1 as well,its up to your logic
    {
         redirect('same_controller/method', 'refresh');
    }

And if you want to redirect to another control then use the following code.

$this->load->helper('url');
if ($some_value === FALSE/TRUE) //You may give 0/1 as well,its up to your logic
{
     redirect('folder_name/any_controller_name/method', 'refresh');
}

After setting the gems directory to the user directory that runs the gem install, using export GEM_HOME=/home/<user>/gems, the issue has been solved.

In my opinion you should not load and use plugins you don't have to. This particular jQuery plugin doesn't give you anything since directly using the JavaScript sessionStorage object is exactly the same level of complexity. Nor, does the plugin provide some easier way to interact with other jQuery functionality. In addition the practice of using a plugin discourages a deep understanding of how something works. sessionStorage should be used only if its understood. If its understood, then using the jQuery plugin is actually MORE effort.

Consider using sessionStorage directly: https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Storage#sessionStorage

Check if this port is open. Maybe your SSH demon is not running. See if sshd is running. If not, then start it.

I saw Veer's answer. I think it's right, but it did not I work for me. Maybe I am using .NET 4 and am using 64x OS so kindly check this.

You may put in setup or check it in start-up of your application:

private void Form1_Load(object sender, EventArgs e)
{
    var appName = Process.GetCurrentProcess().ProcessName + ".exe";
    SetIE8KeyforWebBrowserControl(appName);
}

private void SetIE8KeyforWebBrowserControl(string appName)
{
    RegistryKey Regkey = null;
    try
    {
        // For 64 bit machine
        if (Environment.Is64BitOperatingSystem)
            Regkey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(@"SOFTWARE\\Wow6432Node\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\FEATURE_BROWSER_EMULATION", true);
        else  //For 32 bit machine
            Regkey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(@"SOFTWARE\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\FEATURE_BROWSER_EMULATION", true);

        // If the path is not correct or
        // if the user haven't priviledges to access the registry
        if (Regkey == null)
        {
            MessageBox.Show("Application Settings Failed - Address Not found");
            return;
        }

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

        // Check if key is already present
        if (FindAppkey == "8000")
        {
            MessageBox.Show("Required Application Settings Present");
            Regkey.Close();
            return;
        }

        // If a key is not present add the key, Key value 8000 (decimal)
        if (string.IsNullOrEmpty(FindAppkey))
            Regkey.SetValue(appName, unchecked((int)0x1F40), RegistryValueKind.DWord);

        // Check for the key after adding
        FindAppkey = Convert.ToString(Regkey.GetValue(appName));

        if (FindAppkey == "8000")
            MessageBox.Show("Application Settings Applied Successfully");
        else
            MessageBox.Show("Application Settings Failed, Ref: " + FindAppkey);
    }
    catch (Exception ex)
    {
        MessageBox.Show("Application Settings Failed");
        MessageBox.Show(ex.Message);
    }
    finally
    {
        // Close the Registry
        if (Regkey != null)
            Regkey.Close();
    }
}

You may find messagebox.show, just for testing.

Keys are as the following:

• 11001 (0x2AF9) - Internet Explorer 11. Webpages are displayed in IE11 edge mode, regardless of the !DOCTYPE directive.

• 11000 (0x2AF8) - Internet Explorer 11. Webpages containing standards-based !DOCTYPE directives are displayed in IE11 edge mode. Default value for IE11.

• 10001 (0x2711)- Internet Explorer 10. Webpages are displayed in IE10 Standards mode, regardless of the !DOCTYPE directive.

• 10000 (0x2710)- Internet Explorer 10. Webpages containing standards-based !DOCTYPE directives are displayed in IE10 Standards mode. Default value for Internet Explorer 10.

• 9999 (0x270F) - Internet Explorer 9. Webpages are displayed in IE9 Standards mode, regardless of the !DOCTYPE directive.

• 9000 (0x2328) - Internet Explorer 9. Webpages containing standards-based !DOCTYPE directives are displayed in IE9 mode.

• 8888 (0x22B8) - Webpages are displayed in IE8 Standards mode, regardless of the !DOCTYPE directive.

• 8000 (0x1F40) - Webpages containing standards-based !DOCTYPE directives are displayed in IE8 mode.

• 7000 (0x1B58) - Webpages containing standards-based !DOCTYPE directives are displayed in IE7 Standards mode.

Reference: MSDN: Internet Feature Controls

I saw applications like Skype use 10001. I do not know.

NOTE

The setup application will change the registry. You may need to add a line in the Manifest File to avoid errors due to permissions of change in registry:

<requestedExecutionLevel level="highestAvailable" uiAccess="false" />

UPDATE 1

This is a class will get the latest version of IE on windows and make changes as should be;

public class WebBrowserHelper
{


    public static int GetEmbVersion()
    {
        int ieVer = GetBrowserVersion();

        if (ieVer > 9)
            return ieVer * 1000 + 1;

        if (ieVer > 7)
            return ieVer * 1111;

        return 7000;
    } // End Function GetEmbVersion

    public static void FixBrowserVersion()
    {
        string appName = System.IO.Path.GetFileNameWithoutExtension(System.Reflection.Assembly.GetExecutingAssembly().Location);
        FixBrowserVersion(appName);
    }

    public static void FixBrowserVersion(string appName)
    {
        FixBrowserVersion(appName, GetEmbVersion());
    } // End Sub FixBrowserVersion

    // FixBrowserVersion("<YourAppName>", 9000);
    public static void FixBrowserVersion(string appName, int ieVer)
    {
        FixBrowserVersion_Internal("HKEY_LOCAL_MACHINE", appName + ".exe", ieVer);
        FixBrowserVersion_Internal("HKEY_CURRENT_USER", appName + ".exe", ieVer);
        FixBrowserVersion_Internal("HKEY_LOCAL_MACHINE", appName + ".vshost.exe", ieVer);
        FixBrowserVersion_Internal("HKEY_CURRENT_USER", appName + ".vshost.exe", ieVer);
    } // End Sub FixBrowserVersion 

    private static void FixBrowserVersion_Internal(string root, string appName, int ieVer)
    {
        try
        {
            //For 64 bit Machine 
            if (Environment.Is64BitOperatingSystem)
                Microsoft.Win32.Registry.SetValue(root + @"\Software\Wow6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION", appName, ieVer);
            else  //For 32 bit Machine 
                Microsoft.Win32.Registry.SetValue(root + @"\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION", appName, ieVer);


        }
        catch (Exception)
        {
            // some config will hit access rights exceptions
            // this is why we try with both LOCAL_MACHINE and CURRENT_USER
        }
    } // End Sub FixBrowserVersion_Internal 

    public static int GetBrowserVersion()
    {
        // string strKeyPath = @"HKLM\SOFTWARE\Microsoft\Internet Explorer";
        string strKeyPath = @"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer";
        string[] ls = new string[] { "svcVersion", "svcUpdateVersion", "Version", "W2kVersion" };

        int maxVer = 0;
        for (int i = 0; i < ls.Length; ++i)
        {
            object objVal = Microsoft.Win32.Registry.GetValue(strKeyPath, ls[i], "0");
            string strVal = System.Convert.ToString(objVal);
            if (strVal != null)
            {
                int iPos = strVal.IndexOf('.');
                if (iPos > 0)
                    strVal = strVal.Substring(0, iPos);

                int res = 0;
                if (int.TryParse(strVal, out res))
                    maxVer = Math.Max(maxVer, res);
            } // End if (strVal != null)

        } // Next i

        return maxVer;
    } // End Function GetBrowserVersion 


}

using of class as followed

WebBrowserHelper.FixBrowserVersion();
WebBrowserHelper.FixBrowserVersion("SomeAppName");
WebBrowserHelper.FixBrowserVersion("SomeAppName",intIeVer);

you may face a problem for in comparability of windows 10, may due to your website itself you may need to add this meta tag

<meta http-equiv="X-UA-Compatible" content="IE=11" >

Enjoy :)

Assigning a class name and applying a CSS style are two different things.

If you mean <img class="someclass">, and

.someclass {
  [cssrule]
}

, then there is no real performance difference between applying the css to the class, or to .column img

You can write a very elegant solution using a functional style.

class Object
  def hashify
    Hash[instance_variables.map { |v| [v.to_s[1..-1].to_sym, instance_variable_get v] }]
  end
end

I've been looking for a lightweight, dependency free dual slider for some time (it seemed crazy to import jQuery just for this) and there don't seem to be many out there. I ended up modifying @Wildhoney's code a bit and really like it.

function getVals(){_x000D_
  // Get slider values_x000D_
  var parent = this.parentNode;_x000D_
  var slides = parent.getElementsByTagName("input");_x000D_
    var slide1 = parseFloat( slides[0].value );_x000D_
    var slide2 = parseFloat( slides[1].value );_x000D_
  // Neither slider will clip the other, so make sure we determine which is larger_x000D_
  if( slide1 > slide2 ){ var tmp = slide2; slide2 = slide1; slide1 = tmp; }_x000D_
  _x000D_
  var displayElement = parent.getElementsByClassName("rangeValues")[0];_x000D_
      displayElement.innerHTML = slide1 + " - " + slide2;_x000D_
}_x000D_
_x000D_
window.onload = function(){_x000D_
  // Initialize Sliders_x000D_
  var sliderSections = document.getElementsByClassName("range-slider");_x000D_
      for( var x = 0; x < sliderSections.length; x++ ){_x000D_
        var sliders = sliderSections[x].getElementsByTagName("input");_x000D_
        for( var y = 0; y < sliders.length; y++ ){_x000D_
          if( sliders[y].type ==="range" ){_x000D_
            sliders[y].oninput = getVals;_x000D_
            // Manually trigger event first time to display values_x000D_
            sliders[y].oninput();_x000D_
          }_x000D_
        }_x000D_
      }_x000D_
}

  section.range-slider {_x000D_
    position: relative;_x000D_
    width: 200px;_x000D_
    height: 35px;_x000D_
    text-align: center;_x000D_
}_x000D_
_x000D_
section.range-slider input {_x000D_
    pointer-events: none;_x000D_
    position: absolute;_x000D_
    overflow: hidden;_x000D_
    left: 0;_x000D_
    top: 15px;_x000D_
    width: 200px;_x000D_
    outline: none;_x000D_
    height: 18px;_x000D_
    margin: 0;_x000D_
    padding: 0;_x000D_
}_x000D_
_x000D_
section.range-slider input::-webkit-slider-thumb {_x000D_
    pointer-events: all;_x000D_
    position: relative;_x000D_
    z-index: 1;_x000D_
    outline: 0;_x000D_
}_x000D_
_x000D_
section.range-slider input::-moz-range-thumb {_x000D_
    pointer-events: all;_x000D_
    position: relative;_x000D_
    z-index: 10;_x000D_
    -moz-appearance: none;_x000D_
    width: 9px;_x000D_
}_x000D_
_x000D_
section.range-slider input::-moz-range-track {_x000D_
    position: relative;_x000D_
    z-index: -1;_x000D_
    background-color: rgba(0, 0, 0, 1);_x000D_
    border: 0;_x000D_
}_x000D_
section.range-slider input:last-of-type::-moz-range-track {_x000D_
    -moz-appearance: none;_x000D_
    background: none transparent;_x000D_
    border: 0;_x000D_
}_x000D_
  section.range-slider input[type=range]::-moz-focus-outer {_x000D_
  border: 0;_x000D_
}

<!-- This block can be reused as many times as needed -->_x000D_
<section class="range-slider">_x000D_
  <span class="rangeValues"></span>_x000D_
  <input value="5" min="0" max="15" step="0.5" type="range">_x000D_
  <input value="10" min="0" max="15" step="0.5" type="range">_x000D_
</section>

You can manually create the subplots with matplotlib, and then plot the dataframes on a specific subplot using the ax keyword. For example for 4 subplots (2x2):

import matplotlib.pyplot as plt

fig, axes = plt.subplots(nrows=2, ncols=2)

df1.plot(ax=axes[0,0])
df2.plot(ax=axes[0,1])
...

Here axes is an array which holds the different subplot axes, and you can access one just by indexing axes.
If you want a shared x-axis, then you can provide sharex=True to plt.subplots.

NumPy does not provide general functionality to compute derivatives. It can handles the simple special case of polynomials however:

>>> p = numpy.poly1d([1, 0, 1])
>>> print p
   2
1 x + 1
>>> q = p.deriv()
>>> print q
2 x
>>> q(5)
10

If you want to compute the derivative numerically, you can get away with using central difference quotients for the vast majority of applications. For the derivative in a single point, the formula would be something like

x = 5.0
eps = numpy.sqrt(numpy.finfo(float).eps) * (1.0 + x)
print (p(x + eps) - p(x - eps)) / (2.0 * eps * x)

if you have an array x of abscissae with a corresponding array y of function values, you can comput approximations of derivatives with

numpy.diff(y) / numpy.diff(x)

Similarities between XSD and DTD

both specify elements, attributes, nesting, ordering, #occurences

Differences between XSD and DTD

XSD also has data types, (typed) pointers, namespaces, keys and more.... unlike DTD 

Moreover though XSD is little verbose its syntax is extension of XML, making it convenient to learn fast.

To add to @Craig Schwarze answer,

Here are some related MSDN links:

Loading and Running a Local Package Programmatically:

Loading and Running a Remote Package Programmatically

Capturing Events from a Running Package:

using System;
using Microsoft.SqlServer.Dts.Runtime;

namespace RunFromClientAppWithEventsCS
{
  class MyEventListener : DefaultEvents
  {
    public override bool OnError(DtsObject source, int errorCode, string subComponent, 
      string description, string helpFile, int helpContext, string idofInterfaceWithError)
    {
      // Add application-specific diagnostics here.
      Console.WriteLine("Error in {0}/{1} : {2}", source, subComponent, description);
      return false;
    }
  }
  class Program
  {
    static void Main(string[] args)
    {
      string pkgLocation;
      Package pkg;
      Application app;
      DTSExecResult pkgResults;

      MyEventListener eventListener = new MyEventListener();

      pkgLocation =
        @"C:\Program Files\Microsoft SQL Server\100\Samples\Integration Services" +
        @"\Package Samples\CalculatedColumns Sample\CalculatedColumns\CalculatedColumns.dtsx";
      app = new Application();
      pkg = app.LoadPackage(pkgLocation, eventListener);
      pkgResults = pkg.Execute(null, null, eventListener, null, null);

      Console.WriteLine(pkgResults.ToString());
      Console.ReadKey();
    }
  }
}

In the second image it looks like you want the image to fill the box, but the example you created DOES keep the aspect ratio (the pets look normal, not slim or fat).

I have no clue if you photoshopped those images as example or the second one is "how it should be" as well (you said IS, while the first example you said "should")

Anyway, I have to assume:

If "the images are not resized keeping the aspect ration" and you show me an image which DOES keep the aspect ratio of the pixels, I have to assume you are trying to accomplish the aspect ratio of the "cropping" area (the inner of the green) WILE keeping the aspect ratio of the pixels. I.e. you want to fill the cell with the image, by enlarging and cropping the image.

If that's your problem, the code you provided does NOT reflect "your problem", but your starting example.

Given the previous two assumptions, what you need can't be accomplished with actual images if the height of the box is dynamic, but with background images. Either by using "background-size: contain" or these techniques (smart paddings in percents that limit the cropping or max sizes anywhere you want): http://fofwebdesign.co.uk/template/_testing/scale-img/scale-img.htm

The only way this is possible with images is if we FORGET about your second iimage, and the cells have a fixed height, and FORTUNATELY, judging by your sample images, the height stays the same!

So if your container's height doesn't change, and you want to keep your images square, you just have to set the max-height of the images to that known value (minus paddings or borders, depending on the box-sizing property of the cells)

Like this:

<div class="content">
  <div class="row">    
      <div class="cell">    
          <img src="http://lorempixel.com/output/people-q-c-320-320-2.jpg"/>
      </div>
      <div class="cell">    
          <img src="http://lorempixel.com/output/people-q-c-320-320-7.jpg"/>
      </div>
    </div>
</div>

And the CSS:

.content {
    background-color: green;
}

.row {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;

    -webkit-box-orient: horizontal; 
    -moz-box-orient: horizontal;
    box-orient: horizontal;
    flex-direction: row;

    -webkit-box-pack: center;
    -moz-box-pack: center;
    box-pack: center;
    justify-content: center;

    -webkit-box-align: center;
    -moz-box-align: center;
    box-align: center;  
    align-items: center;

}

.cell {
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
    box-flex: 1;
    -webkit-flex: 1 1 auto;
    flex: 1 1 auto;
    padding: 10px;
    border: solid 10px red;
    text-align: center;
    height: 300px;
    display: flex;
    align-items: center;
    box-sizing: content-box;
}
img {
    margin: auto;
    width: 100%;
    max-width: 300px;
    max-height:100%
}

http://jsfiddle.net/z25heocL/

Your code is invalid (opening tags are instead of closing ones, so they output NESTED cells, not siblings, he used a SCREENSHOT of your images inside the faulty code, and the flex box is not holding the cells but both examples in a column (you setup "row" but the corrupt code nesting one cell inside the other resulted in a flex inside a flex, finally working as COLUMNS. I have no idea what you wanted to accomplish, and how you came up with that code, but I'm guessing what you want is this.

I added display: flex to the cells too, so the image gets centered (I think display: table could have been used here as well with all this markup)

here i have solve my angularJS pagination issue with some more tweak in server side + view end you can check the code it will be more efficient. all i have to do is put two value start number and end number , it will represent index of the returned json array.

here is the angular

var refresh = function () {
    $('.loading').show();
    $http.get('http://put.php?OutputType=JSON&r=all&s=' + $scope.CountStart + '&l=' + $scope.CountEnd).success(function (response) {
        $scope.devices = response;


        $('.loading').hide();
    });
};

if you see carefully $scope.CountStart and $scope.CountStart are two argument i am passing with the api

here is the code for next button

$scope.nextPage = function () {
    $('.loading').css("display", "block");
    $scope.nextPageDisabled();


    if ($scope.currentPage >= 0) {
        $scope.currentPage++;

        $scope.CountStart = $scope.CountStart + $scope.DevicePerPage;
        $scope.CountEnd = $scope.CountEnd + $scope.DevicePerPage;
        refresh();
    }
};

here is the code for previous button

$scope.prevPage = function () {
    $('.loading').css("display", "block");
    $scope.nextPageDisabled();

    if ($scope.currentPage > 0) {
        $scope.currentPage--;

        $scope.CountStart = $scope.CountStart - $scope.DevicePerPage;
        $scope.CountEnd = $scope.CountEnd - $scope.DevicePerPage;

        refresh();

    }
};

if the page number is zero my previous button will be deactivated

   $scope.nextPageDisabled = function () {

    console.log($scope.currentPage);

    if ($scope.currentPage === 0) {
        return false;
    } else {
        return true;
    }
};

If I remember correctly, you'll need to set the netbeans_jdkhome property in your netbeans config file. Should be in your etc/netbeans.conf file.

I ran into this problem when SQL Server 2014 standard was installed on a server where SQL Server Express was also installed. I had opened SSMS from a desktop shortcut, not realizing right away that it was SSMS for SQL Server Express, not for 2014. SSMS for Express returned the error, but SQL Server 2014 did not.

You can't have optional arguments that default to a certain value in Java. The nearest thing to what you are talking about is java varargs whereby you can pass an arbitrary number of arguments (of the same type) to a method.

Not really refreshing the page but thought it would help someone else out there looking for something simple

ngOnInit(){
    startUp()
}

startUp(){
    // Codes
}

refresh(){
    // Code to destroy child component
    startUp()
}

To elaborate on https://stackoverflow.com/a/59311063/1328979, here is a fully documented, annotated and tested Python 3 implementation for the general case.

from __future__ import annotations  # To allow "MinHeap.push -> MinHeap:"
from typing import Generic, List, Optional, TypeVar
from heapq import heapify, heappop, heappush, heapreplace


T = TypeVar('T')


class MinHeap(Generic[T]):
    '''
    MinHeap provides a nicer API around heapq's functionality.
    As it is a minimum heap, the first element of the heap is always the
    smallest.
    >>> h = MinHeap([3, 1, 4, 2])
    >>> h[0]
    1
    >>> h.peek()
    1
    >>> h.push(5)  # N.B.: the array isn't always fully sorted.
    [1, 2, 4, 3, 5]
    >>> h.pop()
    1
    >>> h.pop()
    2
    >>> h.pop()
    3
    >>> h.push(3).push(2)
    [2, 3, 4, 5]
    >>> h.replace(1)
    2
    >>> h
    [1, 3, 4, 5]
    '''
    def __init__(self, array: Optional[List[T]] = None):
        if array is None:
            array = []
        heapify(array)
        self.h = array
    def push(self, x: T) -> MinHeap:
        heappush(self.h, x)
        return self  # To allow chaining operations.
    def peek(self) -> T:
        return self.h[0]
    def pop(self) -> T:
        return heappop(self.h)
    def replace(self, x: T) -> T:
        return heapreplace(self.h, x)
    def __getitem__(self, i) -> T:
        return self.h[i]
    def __len__(self) -> int:
        return len(self.h)
    def __str__(self) -> str:
        return str(self.h)
    def __repr__(self) -> str:
        return str(self.h)


class Reverse(Generic[T]):
    '''
    Wrap around the provided object, reversing the comparison operators.
    >>> 1 < 2
    True
    >>> Reverse(1) < Reverse(2)
    False
    >>> Reverse(2) < Reverse(1)
    True
    >>> Reverse(1) <= Reverse(2)
    False
    >>> Reverse(2) <= Reverse(1)
    True
    >>> Reverse(2) <= Reverse(2)
    True
    >>> Reverse(1) == Reverse(1)
    True
    >>> Reverse(2) > Reverse(1)
    False
    >>> Reverse(1) > Reverse(2)
    True
    >>> Reverse(2) >= Reverse(1)
    False
    >>> Reverse(1) >= Reverse(2)
    True
    >>> Reverse(1)
    1
    '''
    def __init__(self, x: T) -> None:
        self.x = x
    def __lt__(self, other: Reverse) -> bool:
        return other.x.__lt__(self.x)
    def __le__(self, other: Reverse) -> bool:
        return other.x.__le__(self.x)
    def __eq__(self, other) -> bool:
        return self.x == other.x
    def __ne__(self, other: Reverse) -> bool:
        return other.x.__ne__(self.x)
    def __ge__(self, other: Reverse) -> bool:
        return other.x.__ge__(self.x)
    def __gt__(self, other: Reverse) -> bool:
        return other.x.__gt__(self.x)
    def __str__(self):
        return str(self.x)
    def __repr__(self):
        return str(self.x)


class MaxHeap(MinHeap):
    '''
    MaxHeap provides an implement of a maximum-heap, as heapq does not provide
    it. As it is a maximum heap, the first element of the heap is always the
    largest. It achieves this by wrapping around elements with Reverse,
    which reverses the comparison operations used by heapq.
    >>> h = MaxHeap([3, 1, 4, 2])
    >>> h[0]
    4
    >>> h.peek()
    4
    >>> h.push(5)  # N.B.: the array isn't always fully sorted.
    [5, 4, 3, 1, 2]
    >>> h.pop()
    5
    >>> h.pop()
    4
    >>> h.pop()
    3
    >>> h.pop()
    2
    >>> h.push(3).push(2).push(4)
    [4, 3, 2, 1]
    >>> h.replace(1)
    4
    >>> h
    [3, 1, 2, 1]
    '''
    def __init__(self, array: Optional[List[T]] = None):
        if array is not None:
            array = [Reverse(x) for x in array]  # Wrap with Reverse.
        super().__init__(array)
    def push(self, x: T) -> MaxHeap:
        super().push(Reverse(x))
        return self
    def peek(self) -> T:
        return super().peek().x
    def pop(self) -> T:
        return super().pop().x
    def replace(self, x: T) -> T:
        return super().replace(Reverse(x)).x


if __name__ == '__main__':
    import doctest
    doctest.testmod()

https://gist.github.com/marccarre/577a55850998da02af3d4b7b98152cf4

I would recommend that you start by pulling your task apart into it's component parts.

1. Read string data from a CSV
2. Convert string data to appropriate format

Once you do that, it should be fairly trivial to use one of the libraries you link to (which most certainly will handle task #1). Then iterate through the returned values, and cast/convert each String value to the value you want.

If the question is how to convert strings to different objects, it's going to depend on what format you are starting with, and what format you want to wind up with.

DateFormat.parse(), for example, will parse dates from strings. See SimpleDateFormat for quickly constructing a DateFormat for a certain string representation. Integer.parseInt() will prase integers from strings.

Currency, you'll have to decide how you want to capture it. If you want to just capture as a float, then Float.parseFloat() will do the trick (just use String.replace() to remove all $ and commas before you parse it). Or you can parse into a BigDecimal (so you don't have rounding problems). There may be a better class for currency handling (I don't do much of that, so am not familiar with that area of the JDK).

I think there's cleaner way where you don't have to create a new webclient (and it'll work with 3rd party libraries as well)

internal static class MyWebRequestCreator
{
    private static IWebRequestCreate myCreator;

    public static IWebRequestCreate MyHttp
    {
        get
        {
            if (myCreator == null)
            {
                myCreator = new MyHttpRequestCreator();
            }
            return myCreator;
        }
    }

    private class MyHttpRequestCreator : IWebRequestCreate
    {
        public WebRequest Create(Uri uri)
        {
            var req = System.Net.WebRequest.CreateHttp(uri);
            req.CookieContainer = new CookieContainer();
            return req;
        }
    }
}

Now all you have to do is opt in for which domains you want to use this:

    WebRequest.RegisterPrefix("http://example.com/", MyWebRequestCreator.MyHttp);

That means ANY webrequest that goes to example.com will now use your custom webrequest creator, including the standard webclient. This approach means you don't have to touch all you code. You just call the register prefix once and be done with it. You can also register for "http" prefix to opt in for everything everywhere.

I defined two functions in Site.Master:

    <script type="text/javascript">
    var spinnerVisible = false;
    function showProgress() {
        if (!spinnerVisible) {
            $("div#spinner").fadeIn("fast");
            spinnerVisible = true;
        }
    };
    function hideProgress() {
        if (spinnerVisible) {
            var spinner = $("div#spinner");
            spinner.stop();
            spinner.fadeOut("fast");
            spinnerVisible = false;
        }
    };
</script>

And special section:

    <div id="spinner">
        Loading...
    </div>

Visual style is defined in CSS:

div#spinner
{
    display: none;
    width:100px;
    height: 100px;
    position: fixed;
    top: 50%;
    left: 50%;
    background:url(spinner.gif) no-repeat center #fff;
    text-align:center;
    padding:10px;
    font:normal 16px Tahoma, Geneva, sans-serif;
    border:1px solid #666;
    margin-left: -50px;
    margin-top: -50px;
    z-index:2;
    overflow: auto;
}

This one work for me.I found it myself by combining other answers

private Boolean exit = false;
@override
public void onBackPressed(){ 
    if (exit) {
        finish(); // finish activity
    } 
    else {
        Toast.makeText(this, "Press Back again to Exit.",
            Toast.LENGTH_SHORT).show();
         exit = true;
         new Handler().postDelayed(new Runnable() {

         @Override
         public void run() {
             // TODO Auto-generated method stub
             Intent a = new Intent(Intent.ACTION_MAIN);
             a.addCategory(Intent.CATEGORY_HOME);
             a.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
             startActivity(a);
        }
    }, 1000);
}

None of the solutions posted here would work for me, this was my eventual solution to the problem.

// In Server Side code
protected void Page_Load(object sender, EventArgs e)
{
    Page.GetPostBackEventReference(hiddenButton);
}

// Javascript
function SetSaved() {
    __doPostBack("<%= hiddenButton.UniqueID %>", "OnClick");
}

// ASP
 <asp:Button ID="hiddenButton" runat="server" OnClick="btnSaveGroup_Click" Visible="false"/>

I had the same issue - js error box in IE - this works fine in all browsers as far as I can see (event.cancelBubble=true does the job in IE)

onClick="if(event.stopPropagation){event.stopPropagation();}event.cancelBubble=true;"

   /* Integer[] to List<Integer> */



        Integer[] intArr = { 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 };
        List<Integer> arrList = new ArrayList<>();
        arrList.addAll(Arrays.asList(intArr));
        System.out.println(arrList);


/* Integer[] to Collection<Integer> */


    Integer[] intArr = { 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 };
    Collection<Integer> c = Arrays.asList(intArr);

Given that all the dataframes have the same columns, you can simply concat them:

import pandas as pd
df = pd.concat(list_of_dataframes)

You just need to create a deleter class:

struct BarDeleter {
  void operator()(Bar* b) { destroy(b); }
};

and provide it as the template argument of unique_ptr. You'll still have to initialize the unique_ptr in your constructors:

class Foo {
  public:
    Foo() : bar(create()), ... { ... }

  private:
    std::unique_ptr<Bar, BarDeleter> bar;
    ...
};

As far as I know, all the popular c++ libraries implement this correctly; since BarDeleter doesn't actually have any state, it does not need to occupy any space in the unique_ptr.

Events are pretty easy in C#, but the MSDN docs in my opinion make them pretty confusing. Normally, most documentation you see discusses making a class inherit from the EventArgs base class and there's a reason for that. However, it's not the simplest way to make events, and for someone wanting something quick and easy, and in a time crunch, using the Action type is your ticket.

Creating Events & Subscribing To Them

1. Create your event on your class right after your class declaration.

public event Action<string,string,string,string>MyEvent;

2. Create your event handler class method in your class.

private void MyEventHandler(string s1,string s2,string s3,string s4)
{
  Console.WriteLine("{0} {1} {2} {3}",s1,s2,s3,s4);
}

3. Now when your class is invoked, tell it to connect the event to your new event handler. The reason the += operator is used is because you are appending your particular event handler to the event. You can actually do this with multiple separate event handlers, and when an event is raised, each event handler will operate in the sequence in which you added them.

class Example
{
  public Example() // I'm a C# style class constructor
  {
    MyEvent += new Action<string,string,string,string>(MyEventHandler);
  }
}

4. Now, when you're ready, trigger (aka raise) the event somewhere in your class code like so:

MyEvent("wow","this","is","cool");

The end result when you run this is that the console will emit "wow this is cool". And if you changed "cool" with a date or a sequence, and ran this event trigger multiple times, you'd see the result come out in a FIFO sequence like events should normally operate.

In this example, I passed 4 strings. But you could change those to any kind of acceptable type, or used more or less types, or even remove the <...> out and pass nothing to your event handler.

And, again, if you had multiple custom event handlers, and subscribed them all to your event with the += operator, then your event trigger would have called them all in sequence.

Identifying Event Callers

But what if you want to identify the caller to this event in your event handler? This is useful if you want an event handler that reacts with conditions based on who's raised/triggered the event. There are a few ways to do this. Below are examples that are shown in order by how fast they operate:

Option 1. (Fastest) If you already know it, then pass the name as a literal string to the event handler when you trigger it.

Option 2. (Somewhat Fast) Add this into your class and call it from the calling method, and then pass that string to the event handler when you trigger it:

private static string GetCaller([System.Runtime.CompilerServices.CallerMemberName] string s = null) => s;

Option 3. (Least Fast But Still Fast) In your event handler when you trigger it, get the calling method name string with this:

string callingMethod = new System.Diagnostics.StackTrace().GetFrame(1).GetMethod().ReflectedType.Name.Split('<', '>')[1];

Unsubscribing From Events

You may have a scenario where your custom event has multiple event handlers, but you want to remove one special one out of the list of event handlers. To do so, use the -= operator like so:

MyEvent -= MyEventHandler;

A word of minor caution with this, however. If you do this and that event no longer has any event handlers, and you trigger that event again, it will throw an exception. (Exceptions, of course, you can trap with try/catch blocks.)

Clearing All Events

Okay, let's say you're through with events and you don't want to process any more. Just set it to null like so:

MyEvent = null;

The same caution for Unsubscribing events is here, as well. If your custom event handler no longer has any events, and you trigger it again, your program will throw an exception.

For multiple columns you can do:

df = pd.DataFrame(np.zeros([nrow, ncol])*np.nan)

Declarative vs. Imperative

A programming paradigm is a fundamental style of computer programming. There are four main paradigms: imperative, declarative, functional (which is considered a subset of the declarative paradigm) and object-oriented.

Declarative programming : is a programming paradigm that expresses the logic of a computation(What do) without describing its control flow(How do). Some well-known examples of declarative domain specific languages (DSLs) include CSS, regular expressions, and a subset of SQL (SELECT queries, for example) Many markup languages such as HTML, MXML, XAML, XSLT... are often declarative. The declarative programming try to blur the distinction between a program as a set of instructions and a program as an assertion about the desired answer.

Imperative programming : is a programming paradigm that describes computation in terms of statements that change a program state. The declarative programs can be dually viewed as programming commands or mathematical assertions.

Functional programming : is a programming paradigm that treats computation as the evaluation of mathematical functions and avoids state and mutable data. It emphasizes the application of functions, in contrast to the imperative programming style, which emphasizes changes in state. In a pure functional language, such as Haskell, all functions are without side effects, and state changes are only represented as functions that transform the state.

The following example of imperative programming in MSDN, loops through the numbers 1 through 10, and finds the even numbers.

var numbersOneThroughTen = new List<int> { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
//With imperative programming, we'd step through this, and decide what we want:
var evenNumbers = new List<int>();
foreach (var number in numbersOneThroughTen)
{    if (number % 2 == 0)
    {
        evenNumbers.Add(number);
    }
}
//The following code uses declarative programming to accomplish the same thing.
// Here, we're saying "Give us everything where it's even"
var evenNumbers = numbersOneThroughTen.Select(number => number % 2 == 0);

Both examples yield the same result, and one is neither better nor worse than the other. The first example requires more code, but the code is testable, and the imperative approach gives you full control over the implementation details. In the second example, the code is arguably more readable; however, LINQ does not give you control over what happens behind the scenes. You must trust that LINQ will provide the requested result.

Another technique to consider if you want to compare a file to the last commit which is more pedantic:

git diff master myfile.txt

The advantage with this technique is you can also compare to the penultimate commit with:

git diff master^ myfile.txt

and the one before that:

git diff master^^ myfile.txt

Also you can substitute '~' for the caret '^' character and 'you branch name' for 'master' if you are not on the master branch.

In case anyone else faces this, it's a case of PHP not having access to the mysql client libraries. Having a MySQL server on the system is not the correct fix. Fix for ubuntu (and PHP 5):

sudo apt-get install php5-mysql

After installing the client, the webserver should be restarted. In case you're using apache, the following should work:

sudo service apache2 restart

your xml file :

 <ImageView android:id="@+id/imageView"
               android:layout_width="wrap_content"
               android:layout_height="wrap_content"
               android:src="@drawable/image"
               android:scaleType="fitXY"
               android:adjustViewBounds="true"/>

your java file:

ImageView imageView = (ImageView)findViewById(R.id.imageView);
     int width = imageView.getDrawable().getIntrinsicWidth();
     int   height = imageView.getDrawable().getIntrinsicHeight();

For the case that you wish to revert a recently installed package that made several changes to dependencies (such as tensorflow), you can "roll back" to an earlier installation state via the following method:

conda list --revisions
conda install --revision [revision number]

The first command shows previous installation revisions (with dependencies) and the second reverts to whichever revision number you specify.

Note that if you wish to (re)install a later revision, you may have to sequentially reinstall all intermediate versions. If you had been at revision 23, reinstalled revision 20 and wish to return, you may have to run each:

conda install --revision 21
conda install --revision 22
conda install --revision 23

Most likely you're looking for something like

var targetElement = document.getElementById('idOfTargetElement');
targetElement.innerHTML = produceMessage();

provided that this is not something which happens on page load, in which case it should already be there from the start.

To solve this problem add tools.jar file in window->preferences->ant-> runtime .

You can add style for :after a like html code.
For example:

var value = 22;
body.append('<style>.wrapper:after{border-top-width: ' + value + 'px;}</style>');

If you need performance (like in games):

Math.round(number * 100) / 100

It's about 100 times as fast as parseFloat(number.toFixed(2))

http://jsperf.com/parsefloat-tofixed-vs-math-round

This works:

function getBreakText($t) {
    return strtr($t, array('\\r\\n' => '<br>', '\\r' => '<br>', '\\n' => '<br>'));
}

SELECT * 
FROM reservations 
WHERE arrival >= '2012-01-01'
AND arrival < '2013-01-01'
   ;

BTW if the distribution of values indicates that an index scan will not be the worth (for example if all the values are in 2012), the optimiser could still choose a full table scan. YMMV. Explain is your friend.

"A comment for a column can be specified with the COMMENT option. The comment is displayed by the SHOW CREATE TABLE and SHOW FULL COLUMNS statements. This option is operational as of MySQL 4.1. (It is allowed but ignored in earlier versions.)"

As an example

--
-- Table structure for table 'accesslog'
--

CREATE TABLE accesslog (
aid int(10) NOT NULL auto_increment COMMENT 'unique ID for each access entry', 
title varchar(255) default NULL COMMENT 'the title of the page being accessed',
path varchar(255) default NULL COMMENT 'the local path of teh page being accessed',
....
) TYPE=MyISAM;

Many thanks to Dorian and Phrogz for reminding me about the array (and hash) method #replace, which can "replace the contents of an array or hash."

The notion that a CONSTANT's value can be changed, but with an annoying warning, is one of Ruby's few conceptual mis-steps -- these should either be fully immutable, or dump the constant idea altogether. From a coder's perspective, a constant is declarative and intentional, a signal to other that "this value is truly unchangeable once declared/assigned."

But sometimes an "obvious declaration" actually forecloses other, future useful opportunities. For example...

There are legitimate use cases where a "constant's" value might really need to be changed: for example, re-loading ARGV from a REPL-like prompt-loop, then rerunning ARGV thru more (subsequent) OptionParser.parse! calls -- voila! Gives "command line args" a whole new dynamic utility.

The practical problem is either with the presumptive assumption that "ARGV must be a constant", or in optparse's own initialize method, which hard-codes the assignment of ARGV to the instance var @default_argv for subsequent processing -- that array (ARGV) really should be a parameter, encouraging re-parse and re-use, where appropriate. Proper parameterization, with an appropriate default (say, ARGV) would avoid the need to ever change the "constant" ARGV. Just some 2¢-worth of thoughts...

You should include json in your file

For Example,

require 'json'

your_hash = {one: "1", two: "2"}
your_hash.to_json

For more knowledge about json you can visit below link. Json Learning

Create new Maven file with path as classpath and goal as class name

To: Killercam Thanks for your solutions. I tried the first solution for an hour, but didn't work for me.

I used scripts generate method to move data from SQL Server 2012 to SQL Server 2008 R2 as steps bellow:

In the 2012 SQL Management Studio

1. Tasks -> Generate Scripts (in first wizard screen, click Next - may not show)
2. Choose Script entire database and all database objects -> Next
3. Click [Advanced] button 3.1 Change [Types of data to script] from "Schema only" to "Schema and data" 3.2 Change [Script for Server Version] "2012" to "2008"
4. Finish next wizard steps for creating script file
5. Use sqlcmd to import the exported script file to your SQL Server 2008 R2 5.1 Open windows command line 5.2 Type [sqlcmd -S -i Path to your file] (Ex: [sqlcmd -S localhost -i C:\mydatabase.sql])

It works for me.

Explicit access to module level variables by accessing them explicity on the module

In short: The technique described here is the same as in steveha's answer, except, that no artificial helper object is created to explicitly scope variables. Instead the module object itself is given a variable pointer, and therefore provides explicit scoping upon access from everywhere. (like assignments in local function scope).

Think of it like self for the current module instead of the current instance !

# db.py
import sys

# this is a pointer to the module object instance itself.
this = sys.modules[__name__]

# we can explicitly make assignments on it 
this.db_name = None

def initialize_db(name):
    if (this.db_name is None):
        # also in local function scope. no scope specifier like global is needed
        this.db_name = name
        # also the name remains free for local use
        db_name = "Locally scoped db_name variable. Doesn't do anything here."
    else:
        msg = "Database is already initialized to {0}."
        raise RuntimeError(msg.format(this.db_name))

As modules are cached and therefore import only once, you can import db.py as often on as many clients as you want, manipulating the same, universal state:

# client_a.py
import db

db.initialize_db('mongo')

# client_b.py
import db

if (db.db_name == 'mongo'):
    db.db_name = None  # this is the preferred way of usage, as it updates the value for all clients, because they access the same reference from the same module object

# client_c.py
from db import db_name
# be careful when importing like this, as a new reference "db_name" will
# be created in the module namespace of client_c, which points to the value 
# that "db.db_name" has at import time of "client_c".

if (db_name == 'mongo'):  # checking is fine if "db.db_name" doesn't change
    db_name = None  # be careful, because this only assigns the reference client_c.db_name to a new value, but leaves db.db_name pointing to its current value.

As an additional bonus I find it quite pythonic overall as it nicely fits Pythons policy of Explicit is better than implicit.

I have just written an app which can make a call from a web page - I don't know if this is any use to you, but I include anyway:

in your onCreate you'll need to use a webview and assign a WebViewClient, as below:

browser = (WebView) findViewById(R.id.webkit);
browser.setWebViewClient(new InternalWebViewClient());

then handle the click on a phone number like this:

private class InternalWebViewClient extends WebViewClient {

    @Override
    public boolean shouldOverrideUrlLoading(WebView view, String url) {
         if (url.indexOf("tel:") > -1) {
            startActivity(new Intent(Intent.ACTION_DIAL, Uri.parse(url)));
            return true;
        } else {
            return false;
        }
    }
}

Let me know if you need more pointers.

One issue I've had, and it was horribly tricky, was that the OCI call to describe a column attributes behaves diffrently depending on Oracle versions. Describing a simple NUMBER column created without any prec or scale returns differenlty on 9i, 1Og and 11g

Try like this:

list($width, $height) = getimagesize('path_to_image');

Make sure that:

1. You specify the correct image path there
2. The image has read access
3. Chmod image dir to 755

Also try to prefix path with $_SERVER["DOCUMENT_ROOT"], this helps sometimes when you are not able to read files.

It is a good practice to create helper utility methods for things like that so that whenever you need to change the logic of attribute validation it would be in one place, and the code will be more readable for the followers.

For example create a helper method (or class JsonUtils with static methods) in json_utils.py:

def get_attribute(data, attribute, default_value):
    return data.get(attribute) or default_value

and then use it in your project:

from json_utils import get_attribute

def my_cool_iteration_func(data):

    data_to = get_attribute(data, 'to', None)
    if not data_to:
        return

    data_to_data = get_attribute(data_to, 'data', [])
    for item in data_to_data:
        print('The id is: %s' % get_attribute(item, 'id', 'null'))

IMPORTANT NOTE:

There is a reason I am using data.get(attribute) or default_value instead of simply data.get(attribute, default_value):

{'my_key': None}.get('my_key', 'nothing') # returns None
{'my_key': None}.get('my_key') or 'nothing' # returns 'nothing'

In my applications getting attribute with value 'null' is the same as not getting the attribute at all. If your usage is different, you need to change this.

I just encountered the same issue after adding the bin folder to .gitignore, not sure if that caused the issue.

I solved it by going to Project/Properties/Build Path and I removed the scr folder and added it again.

Actual Spacing Between Rows

This is an old thread, but I noticed reading the comments from the OP on other answers that the original goal was apparently to have border-radius on the rows, and gaps between the rows. It does not appear that the current solutions exactly do that. theazureshadow's answer is headed in the right direction, but seems to need a bit more.

For those interested in such, here is a fiddle that does separate the rows and applies the radius to each row. (NOTE: Firefox currently has a bug in displaying/clipping background-color at the border radii.)

The code is as follows (and as theazureshadow noted, for earlier browser support, the various vendor prefixes for border-radius need added).

table { 
    border-collapse: separate; 
    border-spacing: 0 10px; 
    margin-top: -10px; /* correct offset on first border spacing if desired */
}
td {
    border: solid 1px #000;
    border-style: solid none;
    padding: 10px;
    background-color: cyan;
}
td:first-child {
    border-left-style: solid;
    border-top-left-radius: 10px; 
    border-bottom-left-radius: 10px;
}
td:last-child {
    border-right-style: solid;
    border-bottom-right-radius: 10px; 
    border-top-right-radius: 10px; 
}

Without additional reference:

using System;
using System.Runtime.InteropServices;

public class Shortcut
{

private static Type m_type = Type.GetTypeFromProgID("WScript.Shell");
private static object m_shell = Activator.CreateInstance(m_type);

[ComImport, TypeLibType((short)0x1040), Guid("F935DC23-1CF0-11D0-ADB9-00C04FD58A0B")]
private interface IWshShortcut
{
    [DispId(0)]
    string FullName { [return: MarshalAs(UnmanagedType.BStr)] [DispId(0)] get; }
    [DispId(0x3e8)]
    string Arguments { [return: MarshalAs(UnmanagedType.BStr)] [DispId(0x3e8)] get; [param: In, MarshalAs(UnmanagedType.BStr)] [DispId(0x3e8)] set; }
    [DispId(0x3e9)]
    string Description { [return: MarshalAs(UnmanagedType.BStr)] [DispId(0x3e9)] get; [param: In, MarshalAs(UnmanagedType.BStr)] [DispId(0x3e9)] set; }
    [DispId(0x3ea)]
    string Hotkey { [return: MarshalAs(UnmanagedType.BStr)] [DispId(0x3ea)] get; [param: In, MarshalAs(UnmanagedType.BStr)] [DispId(0x3ea)] set; }
    [DispId(0x3eb)]
    string IconLocation { [return: MarshalAs(UnmanagedType.BStr)] [DispId(0x3eb)] get; [param: In, MarshalAs(UnmanagedType.BStr)] [DispId(0x3eb)] set; }
    [DispId(0x3ec)]
    string RelativePath { [param: In, MarshalAs(UnmanagedType.BStr)] [DispId(0x3ec)] set; }
    [DispId(0x3ed)]
    string TargetPath { [return: MarshalAs(UnmanagedType.BStr)] [DispId(0x3ed)] get; [param: In, MarshalAs(UnmanagedType.BStr)] [DispId(0x3ed)] set; }
    [DispId(0x3ee)]
    int WindowStyle { [DispId(0x3ee)] get; [param: In] [DispId(0x3ee)] set; }
    [DispId(0x3ef)]
    string WorkingDirectory { [return: MarshalAs(UnmanagedType.BStr)] [DispId(0x3ef)] get; [param: In, MarshalAs(UnmanagedType.BStr)] [DispId(0x3ef)] set; }
    [TypeLibFunc((short)0x40), DispId(0x7d0)]
    void Load([In, MarshalAs(UnmanagedType.BStr)] string PathLink);
    [DispId(0x7d1)]
    void Save();
}

public static void Create(string fileName, string targetPath, string arguments, string workingDirectory, string description, string hotkey, string iconPath)
{
    IWshShortcut shortcut = (IWshShortcut)m_type.InvokeMember("CreateShortcut", System.Reflection.BindingFlags.InvokeMethod, null, m_shell, new object[] { fileName });
    shortcut.Description = description;
    shortcut.Hotkey = hotkey;
    shortcut.TargetPath = targetPath;
    shortcut.WorkingDirectory = workingDirectory;
    shortcut.Arguments = arguments;
    if (!string.IsNullOrEmpty(iconPath))
        shortcut.IconLocation = iconPath;
    shortcut.Save();
}
}

To create Shortcut on Desktop:

    string lnkFileName = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "Notepad.lnk");
    Shortcut.Create(lnkFileName,
        System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.System), "notepad.exe"),
        null, null, "Open Notepad", "Ctrl+Shift+N", null);

I answered a similar question here.

In the Project’s Settings, add /FORCE:MULTIPLE to the Linker’s Command Line options.

From MSDN: "Use /FORCE:MULTIPLE to create an output file whether or not LINK finds more than one definition for a symbol."

That's what programmers call a "quick and dirty" solution, but sometimes you just want the build to be completed and get to the bottom of the problem later, so that's kind of a ad-hoc solution. To actually avoid this error, provided that you want

int WIDTH = 1024;
int HEIGHT = 800;

to be shared among several source files, just declare them only in a single .c / .cpp file, and refer to them in a header file:

extern int WIDTH;
extern int HEIGHT;

Then include the header in any other source file you wish these global variables to be available.

Try this to get all the form fields.

var fields = document['formName'].elements;

You have a bad table design. You can't autoincrement a string, that doesn't make any sense. You have basically two options:

1.) change type of ID to int instead of string
2.) not recommended!!! - handle autoincrement by yourself. You first need to get the latest value from the database, parse it to the integer, increment it and attach it to the entity as a string again. VERY BAD idea

First option requires to change every table that has a reference to this table, BUT it's worth it.

Take a look at this project it outputs some interesting stats about keyspaces based on regexs and prefixes. It uses the DEBUG OBJECT command and scans the db, identifying groups of keys and estimating the percentage of space they're taking up.

https://github.com/snmaynard/redis-audit

Output looks like this:

Summary  

---------------------------------------------------+--------------+-------------------+---------------------------------------------------  
Key                                                | Memory Usage | Expiry Proportion | Last Access Time                                    
---------------------------------------------------+--------------+-------------------+---------------------------------------------------  
notification_3109439                               | 88.14%       | 0.0%              | 2 minutes                               
user_profile_3897016                               | 11.86%       | 99.98%            | 20 seconds  
---------------------------------------------------+--------------+-------------------+---------------------------------------------------  

Or this this one: https://github.com/sripathikrishnan/redis-rdb-tools which does a full analysis on the entire keyspace by analyzing a dump.rdb file offline. This one works well also. It can give you the avg/min/max size for the entries in your db, and will even do it based on a prefix.

The reason your code doesn't work as expected is that it's actually doing something different from what you think it does.

Let's say you have something like the following:

stepOne()
.then(stepTwo, handleErrorOne)
.then(stepThree, handleErrorTwo)
.then(null, handleErrorThree);

To better understand what's happening, let's pretend this is synchronous code with try/catch blocks:

try {
    try {
        try {
            var a = stepOne();
        } catch(e1) {
            a = handleErrorOne(e1);
        }
        var b = stepTwo(a);
    } catch(e2) {
        b = handleErrorTwo(e2);
    }
    var c = stepThree(b);
} catch(e3) {
    c = handleErrorThree(e3);
}

The onRejected handler (the second argument of then) is essentially an error correction mechanism (like a catch block). If an error is thrown in handleErrorOne, it will be caught by the next catch block (catch(e2)), and so on.

This is obviously not what you intended.

Let's say we want the entire resolution chain to fail no matter what goes wrong:

stepOne()
.then(function(a) {
    return stepTwo(a).then(null, handleErrorTwo);
}, handleErrorOne)
.then(function(b) {
    return stepThree(b).then(null, handleErrorThree);
});

Note: We can leave the handleErrorOne where it is, because it will only be invoked if stepOne rejects (it's the first function in the chain, so we know that if the chain is rejected at this point, it can only be because of that function's promise).

The important change is that the error handlers for the other functions are not part of the main promise chain. Instead, each step has its own "sub-chain" with an onRejected that is only called if the step was rejected (but can not be reached by the main chain directly).

The reason this works is that both onFulfilled and onRejected are optional arguments to the then method. If a promise is fulfilled (i.e. resolved) and the next then in the chain doesn't have an onFulfilled handler, the chain will continue until there is one with such a handler.

This means the following two lines are equivalent:

stepOne().then(stepTwo, handleErrorOne)
stepOne().then(null, handleErrorOne).then(stepTwo)

But the following line is not equivalent to the two above:

stepOne().then(stepTwo).then(null, handleErrorOne)

Angular's promise library $q is based on kriskowal's Q library (which has a richer API, but contains everything you can find in $q). Q's API docs on GitHub could prove useful. Q implements the Promises/A+ spec, which goes into detail on how then and the promise resolution behaviour works exactly.

EDIT:

Also keep in mind that if you want to break out of the chain in your error handler, it needs to return a rejected promise or throw an Error (which will be caught and wrapped in a rejected promise automatically). If you don't return a promise, then wraps the return value in a resolve promise for you.

This means that if you don't return anything, you are effectively returning a resolved promise for the value undefined.

If you are trying to access an html element: this is an HTML Anchor...

My nav bar has items that are not list items (<li>) but rather html anchors (<a>)

See below: (This is the site master)

<nav class="mdl-navigation">
    <a class="mdl-navigation__link" href="" runat="server" id="liHome">Home</a>
    <a class="mdl-navigation__link" href="" runat="server" id="liDashboard">Dashboard</a>
</nav>

Now in your code behind for another page, for mine, it's the login page...

On PageLoad() define this:

HtmlAnchor lblMasterStatus = (HtmlAnchor)Master.FindControl("liHome");
lblMasterStatus.Visible =false;

HtmlAnchor lblMasterStatus1 = (HtmlAnchor)Master.FindControl("liDashboard");
lblMasterStatus1.Visible = false;

Now we have accessed the site masters controls, and have made them invisible on the login page.

I have various typographical error corrections in aliases

alias mkae=make

alias mroe=less

It's not what the OP asked for (capturing groups) but you can extract the numbers using:

S='This is a sample 123 text and some 987 numbers'
echo "$S" | sed 's/ /\n/g' | sed -r '/([0-9]+)/ !d'

Gives the following:

123
987

With java 8:

Arrays.stream(MyEnum.values()).map(Enum::name)
                    .collect(Collectors.toList()).toArray();

good points already made here, but while there is lots of information about how rendering of margins is accomplished by the browser, the why isn't quite answered yet:

"Why is margin-top:-8px not the same as margin-bottom:8px?"

what we also could ask is:

Why doesn't a positive bottom margin 'bump up' preceding elements, whereas a positive top-margin 'bumps down' following elements?

so what we see is that there is a difference in the rendering of margins depending on the side they are applied to - top (and left) margins are different from bottom (and right) ones.

things are becoming clearer when having a (simplified) look at how styles are applied by the browser: elements are rendered top-down in the viewport, starting in the top left corner (let's stick with the vertical rendering for now, keeping in mind that the horizontal one is treated the same).

consider the following html:

<div class="box1"></div>
<div class="box2"></div>
<div class="box3"></div>

analogous to their position in code, these three boxes appear stacked 'top-down' in the browser (keeping things simple, we won't consider here the order property of the css3 'flex-box' module). so, whenever styles are applied to box 3, preceding element's positions (for box 1 and 2) have already been determined, and shouldn't be altered any more for the sake of rendering speed.

now, imagine a top margin of -10px for box 3. instead of shifting up all preceding elements to gather some space, the browser will just push box 3 up, so it's rendered on top of (or underneath, depending on the z-index) any preceding elements. even if performance wasn't an issue, moving all elements up could mean shifting them out of the viewport, thus the current scrolling position would have to be altered to have everything visible again.

same applies to a bottom margin for box 3, both negative and positive: instead of influencing already evaluated elements, only a new 'starting point' for upcoming elements is determined. thus setting a positive bottom margin will push the following elements down; a negative one will push them up.

For me the following lines of code did the trick

mysqldump --quote-names -q -u username1 --password='password1' originalDB | mysql -u username2 --password='password2' duplicateDB

Put the following code before int main():

using namespace std;

And you will be able to use cout.

For example:

#include<iostream>
using namespace std;
int main(){
    char t = 'f';
    char *t1;
    char **t2;
    cout<<t;        
    return 0;
}

Now take a moment and read up on what cout is and what is going on here: http://www.cplusplus.com/reference/iostream/cout/

Further, while its quick to do and it works, this is not exactly a good advice to simply add using namespace std; at the top of your code. For detailed correct approach, please read the answers to this related SO question.

Concretely, you can exit of a forEach loop, and of any place, throw an exception.

try {
   angular.forEach([1,2,3], function(num) {
      if (num === 2) throw Error();
   });
} catch(e) {
    // anything
}

However, it is better if you use other library or implement your own function, a find function in this case, so your code is most high-level.

This is how you can dynamically create a class named Child in your code, assuming Parent already exists... even if you don't have an explicit Parent class, you could use object...

The code below defines __init__() and then associates it with the class.

>>> child_name = "Child"
>>> child_parents = (Parent,)
>>> child body = """
def __init__(self, arg1):
    # Initialization for the Child class
    self.foo = do_something(arg1)
"""
>>> child_dict = {}
>>> exec(child_body, globals(), child_dict)
>>> childobj = type(child_name, child_parents, child_dict)
>>> childobj.__name__
'Child'
>>> childobj.__bases__
(<type 'object'>,)
>>> # Instantiating the new Child object...
>>> childinst = childobj()
>>> childinst
<__main__.Child object at 0x1c91710>
>>>

If you are using MySQL, you can use order by FIELD(id, ...) approach:

Company.findAll({
    where: {id : {$in : companyIds}},
    order: sequelize.literal("FIELD(company.id,"+companyIds.join(',')+")")
})

Keep in mind, it might be slow. But should be faster, than manual sorting with JS.

There is an indexOf method that all arrays have (except Internet Explorer 8 and below) that will return the index of an element in the array, or -1 if it's not in the array:

if (yourArray.indexOf("someString") > -1) {
    //In the array!
} else {
    //Not in the array
}

If you need to support old IE browsers, you can polyfill this method using the code in the MDN article.

By code:

btn_edit.IsEnabled = true;

By XAML:

<Button Content="Edit data" Grid.Column="1" Name="btn_edit" Grid.Row="1" IsEnabled="False" />

The syntax for index hints is documented here:
http://dev.mysql.com/doc/refman/5.6/en/index-hints.html

FORCE INDEX goes right after the table reference:

SELECT * FROM (
    SELECT owner_id,
           product_id,
           start_time,
           price,
           currency,
           name,
           closed,
           active,
           approved,
           deleted,
           creation_in_progress
    FROM db_products FORCE INDEX (products_start_time)
    ORDER BY start_time DESC
) as resultstable
WHERE resultstable.closed = 0
      AND resultstable.active = 1
      AND resultstable.approved = 1
      AND resultstable.deleted = 0
      AND resultstable.creation_in_progress = 0
GROUP BY resultstable.owner_id
ORDER BY start_time DESC

WARNING:

If you're using ORDER BY before GROUP BY to get the latest entry per owner_id, you're using a nonstandard and undocumented behavior of MySQL to do that.

There's no guarantee that it'll continue to work in future versions of MySQL, and the query is likely to be an error in any other RDBMS.

Search the greatest-n-per-group tag for many explanations of better solutions for this type of query.

You can test this function

function html2text($Document) {
    $Rules = array ('@<script[^>]*?>.*?</script>@si',
                    '@<[\/\!]*?[^<>]*?>@si',
                    '@([\r\n])[\s]+@',
                    '@&(quot|#34);@i',
                    '@&(amp|#38);@i',
                    '@&(lt|#60);@i',
                    '@&(gt|#62);@i',
                    '@&(nbsp|#160);@i',
                    '@&(iexcl|#161);@i',
                    '@&(cent|#162);@i',
                    '@&(pound|#163);@i',
                    '@&(copy|#169);@i',
                    '@&(reg|#174);@i',
                    '@&#(d+);@e'
             );
    $Replace = array ('',
                      '',
                      '',
                      '',
                      '&',
                      '<',
                      '>',
                      ' ',
                      chr(161),
                      chr(162),
                      chr(163),
                      chr(169),
                      chr(174),
                      'chr()'
                );
  return preg_replace($Rules, $Replace, $Document);
}

cp somefile somefile_`date +%d%b%Y`

The function you're after is numpy.linalg.norm. (I reckon it should be in base numpy as a property of an array -- say x.norm() -- but oh well).

import numpy as np
x = np.array([1,2,3,4,5])
np.linalg.norm(x)

You can also feed in an optional ord for the nth order norm you want. Say you wanted the 1-norm:

np.linalg.norm(x,ord=1)

And so on.

Press Alt+H(h) and then you'll see the shortcuts on the toolbar, press FC to operate color menu and press A(Automatic) for black or browse through other colors using arrow keys.

The Heap is divided into young and old generations as follows :

Young Generation: It is a place where an object lived for a short period and it is divided into two spaces:

• Eden Space: When object created using new keyword memory allocated on this space.
• Survivor Space (S0 and S1): This is the pool which contains objects which have survived after minor java garbage collection from Eden space.

Old Generation: This pool basically contains tenured and virtual (reserved) space and will be holding those objects which survived after garbage collection from the Young Generation.

• Tenured Space: This memory pool contains objects which survived after multiple garbage collection means an object which survived after garbage collection from Survivor space.

Explanation

Let's imagine our application has just started.

So at this point all three of these spaces are empty (Eden, S0, S1).

Whenever a new object is created it is placed in the Eden space.

When the Eden space gets full then the garbage collection process (minor GC) will take place on the Eden space and any surviving objects are moved into S0.

Our application then continues running add new objects are created in the Eden space the next time that the garbage collection process runs it looks at everything in the Eden space and in S0 and any objects that survive get moved into S1.

PS: Based on the configuration that how much time object should survive in Survivor space, the object may also move back and forth to S0 and S1 and then reaching the threshold objects will be moved to old generation heap space.

INSERT INTO #Temp1
SELECT val1, val2 
FROM TABLE1
 UNION
SELECT val1, val2
FROM TABLE2

I just wanted to add that the problem may be even simpler -

I've been scratching my head for hours with this problem - I have read all the solutions, nothing worked. Then I managed to check the actual file name.

I had "image.jpg.jpg" rather than "image.jpg".

If you use $ ls public/..path to image assets../ you can quickly check the file names.

Sounds stupid but I never thought to look at something so simple as file name given the all the technical advice here.

es6

for (let [key, value] of map) {
    console.log(key, value);
}

es5

for (let entry of Array.from(map.entries())) {
    let key = entry[0];
    let value = entry[1];
}

For this you probably want myString.PadRight(totalLength, charToInsert).

See String.PadRight Method (Int32) for more info.

GhostScript performs much faster than Poppler for a Linux based system.

Following is the code for pdf to image conversion.

def get_image_page(pdf_file, out_file, page_num):
    page = str(page_num + 1)
    command = ["gs", "-q", "-dNOPAUSE", "-dBATCH", "-sDEVICE=png16m", "-r" + str(RESOLUTION), "-dPDFFitPage",
               "-sOutputFile=" + out_file, "-dFirstPage=" + page, "-dLastPage=" + page,
               pdf_file]
    f_null = open(os.devnull, 'w')
    subprocess.call(command, stdout=f_null, stderr=subprocess.STDOUT)

GhostScript can be installed on macOS using brew install ghostscript

Installation information for other platforms can be found here. If it is not already installed on your system.

The pid of a backgrounded child process is stored in $!. You can store all child processes' pids into an array, e.g. PIDS[].

wait [-n] [jobspec or pid …]

Wait until the child process specified by each process ID pid or job specification jobspec exits and return the exit status of the last command waited for. If a job spec is given, all processes in the job are waited for. If no arguments are given, all currently active child processes are waited for, and the return status is zero. If the -n option is supplied, wait waits for any job to terminate and returns its exit status. If neither jobspec nor pid specifies an active child process of the shell, the return status is 127.

Use wait command you can wait for all child processes finish, meanwhile you can get exit status of each child processes via $? and store status into STATUS[]. Then you can do something depending by status.

I have tried the following 2 solutions and they run well. solution01 is more concise, while solution02 is a little complicated.

solution01

#!/bin/bash

# start 3 child processes concurrently, and store each pid into array PIDS[].
process=(a.sh b.sh c.sh)
for app in ${process[@]}; do
  ./${app} &
  PIDS+=($!)
done

# wait for all processes to finish, and store each process's exit code into array STATUS[].
for pid in ${PIDS[@]}; do
  echo "pid=${pid}"
  wait ${pid}
  STATUS+=($?)
done

# after all processed finish, check their exit codes in STATUS[].
i=0
for st in ${STATUS[@]}; do
  if [[ ${st} -ne 0 ]]; then
    echo "$i failed"
  else
    echo "$i finish"
  fi
  ((i+=1))
done

solution02

#!/bin/bash

# start 3 child processes concurrently, and store each pid into array PIDS[].
i=0
process=(a.sh b.sh c.sh)
for app in ${process[@]}; do
  ./${app} &
  pid=$!
  PIDS[$i]=${pid}
  ((i+=1))
done

# wait for all processes to finish, and store each process's exit code into array STATUS[].
i=0
for pid in ${PIDS[@]}; do
  echo "pid=${pid}"
  wait ${pid}
  STATUS[$i]=$?
  ((i+=1))
done

# after all processed finish, check their exit codes in STATUS[].
i=0
for st in ${STATUS[@]}; do
  if [[ ${st} -ne 0 ]]; then
    echo "$i failed"
  else
    echo "$i finish"
  fi
  ((i+=1))
done

$data = file_get_contents('http://example.com/image.php');
$img = imagecreatefromstring($data);
imagepng($img, 'test.png');

I think the issue with the deployment descriptor and dependencies that you are using.

I was having the same issue that I resolved by doing these things. Update your POM.XML

<dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>com.sun.jersey</groupId>
            <artifactId>jersey-server</artifactId>
            <version>1.17</version>
        </dependency>
        <dependency>
            <groupId>com.sun.jersey</groupId>
            <artifactId>jersey-servlet</artifactId>
            <version>1.17</version>
        </dependency>
        <dependency>
            <groupId>javax.ws.rs</groupId>
            <artifactId>jsr311-api</artifactId>
            <version>1.1.1</version>
        </dependency>
        <dependency>
            <groupId>com.sun.jersey</groupId>
            <artifactId>jersey-client</artifactId>
            <version>1.17</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/javax.servlet/servlet-api -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>2.5</version>
            <scope>provided</scope>
        </dependency>

        <!-- https://mvnrepository.com/artifact/com.googlecode.json-simple/json-simple -->
        <dependency>
            <groupId>com.googlecode.json-simple</groupId>
            <artifactId>json-simple</artifactId>
            <version>1.1.1</version>
        </dependency>

    </dependencies>

Also, add this code inside your build tag under the POM.XML only Since Container needs to know that where is your resource file configured.

<build>
        <finalName>HatchWaysAppAPI</finalName>
        <sourceDirectory>src/main/resources</sourceDirectory>
        <plugins>

            <plugin>
                <artifactId>maven-war-plugin</artifactId>
                <version>2.4</version>
                <configuration>
                    <warSourceDirectory>WebContent</warSourceDirectory>
                    <failOnMissingWebXml>false</failOnMissingWebXml>
                </configuration>
            </plugin>

            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.1</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>

        </plugins>
    </build>

Change your resource folder according to your requirement.

Your Web.xml should be like this.

<servlet>
        <servlet-name>HatchWaysAppAPI Maven Webapp</servlet-name>
        <servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
        <init-param>
            <param-name>com.sun.jersey.config.property.packages</param-name>
            <param-value>com.hatchwaysapi.mainController</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>HatchWaysAppAPI Maven Webapp</servlet-name>
        <url-pattern>/v1/*</url-pattern>
    </servlet-mapping>

Note This configuration only for the maven if you not using maven than ignore Pom.XML just do config of the Web.xml.

If you see this error when you are loading custom SQL data for initialization, another way to avoid this is:

Instead of writing:

INSERT INTO book (id, name, price) VALUES (1 , 'Alchemist' , 10),

Remove the id (primary key) from initial data

INSERT INTO book (name, price) VALUES ('Alchemist' , 10),

This keeps the Postgres sequence in sync !

The easiest way is to use to_datetime:

df['col'] = pd.to_datetime(df['col'])

It also offers a dayfirst argument for European times (but beware this isn't strict).

Here it is in action:

In [11]: pd.to_datetime(pd.Series(['05/23/2005']))
Out[11]:
0   2005-05-23 00:00:00
dtype: datetime64[ns]

You can pass a specific format:

In [12]: pd.to_datetime(pd.Series(['05/23/2005']), format="%m/%d/%Y")
Out[12]:
0   2005-05-23
dtype: datetime64[ns]

If you having this issue when running tests in PyCharm, make sure the second box is unchecked in the configurations.

For what it's worth, you can reset to default the value of a config entry with npm config delete <key> (or npm config rm <key>, but the usage of npm config rm is not mentioned in npm help config).

Example:

# set registry value
npm config set registry "https://skimdb.npmjs.com/registry"
# revert change back to default
npm config delete registry

From your stack trace, EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0) occurred because dispatch_group_t was released while it was still locking (waiting for dispatch_group_leave).

According to what you found, this was what happened :

• dispatch_group_t group was created. group's retain count = 1.
• -[self webservice:onCompletion:] captured the group. group's retain count = 2.
• dispatch_async(...., ^{ dispatch_group_wait(group, ...) ... }); captured the group again. group's retain count = 3.
• Exit the current scope. group was released. group's retain count = 2.
• dispatch_group_leave was never called.
• dispatch_group_wait was timeout. The dispatch_async block was completed. group was released. group's retain count = 1.
• You called this method again. When -[self webservice:onCompletion:] was called again, the old onCompletion block was replaced with the new one. So, the old group was released. group's retain count = 0. group was deallocated. That resulted to EXC_BAD_INSTRUCTION.

To fix this, I suggest you should find out why -[self webservice:onCompletion:] didn't call onCompletion block, and fix it. Then make sure the next call to the method will happen after the previous call did finish.

In case you allow the method to be called many times whether the previous calls did finish or not, you might find someone to hold group for you :

• You can change the timeout from 2 seconds to DISPATCH_TIME_FOREVER or a reasonable amount of time that all -[self webservice:onCompletion] should call their onCompletion blocks by the time. So that the block in dispatch_async(...) will hold it for you.
  OR
• You can add group into a collection, such as NSMutableArray.

I think it is the best approach to create a dedicate class for this action. When you want to make calls to webservice, you then create an object of the class, call the method on it with the completion block passing to it that will release the object. In the class, there is an ivar of dispatch_group_t or dispatch_semaphore_t.

As no one has mentioned - I would suggest to use great tool for such purpose - swaks

# yum info swaks
Installed Packages
Name        : swaks
Arch        : noarch
Version     : 20130209.0
Release     : 3.el6
Size        : 287 k
Repo        : installed
From repo   : epel
Summary     : Command-line SMTP transaction tester
URL         : http://www.jetmore.org/john/code/swaks
License     : GPLv2+
Description : Swiss Army Knife SMTP: A command line SMTP tester. Swaks can test
            : various aspects of your SMTP server, including TLS and AUTH.

It has a lot of options and can do almost everything you want.

GMAIL: STARTTLS, SSLv3 (and yes, in 2016 gmail still support sslv3)

$ echo "Hello world" | swaks -4 --server smtp.gmail.com:587 --from [email protected] --to [email protected] -tls --tls-protocol sslv3 --auth PLAIN --auth-user [email protected] --auth-password 7654321 --h-Subject "Test message" --body -
=== Trying smtp.gmail.com:587...
=== Connected to smtp.gmail.com.
<-  220 smtp.gmail.com ESMTP h8sm76342lbd.48 - gsmtp
 -> EHLO www.example.net
<-  250-smtp.gmail.com at your service, [193.243.156.26]
<-  250-SIZE 35882577
<-  250-8BITMIME
<-  250-STARTTLS
<-  250-ENHANCEDSTATUSCODES
<-  250-PIPELINING
<-  250-CHUNKING
<-  250 SMTPUTF8
 -> STARTTLS
<-  220 2.0.0 Ready to start TLS
=== TLS started with cipher SSLv3:RC4-SHA:128
=== TLS no local certificate set
=== TLS peer DN="/C=US/ST=California/L=Mountain View/O=Google Inc/CN=smtp.gmail.com"
 ~> EHLO www.example.net
<~  250-smtp.gmail.com at your service, [193.243.156.26]
<~  250-SIZE 35882577
<~  250-8BITMIME
<~  250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH
<~  250-ENHANCEDSTATUSCODES
<~  250-PIPELINING
<~  250-CHUNKING
<~  250 SMTPUTF8
 ~> AUTH PLAIN AGFhQxsZXguaGhMGdATGV4X2hoYtYWlsLmNvbQBS9TU1MjQ=
<~  235 2.7.0 Accepted
 ~> MAIL FROM:<[email protected]>
<~  250 2.1.0 OK h8sm76342lbd.48 - gsmtp
 ~> RCPT TO:<[email protected]>
<~  250 2.1.5 OK h8sm76342lbd.48 - gsmtp
 ~> DATA
<~  354  Go ahead h8sm76342lbd.48 - gsmtp
 ~> Date: Wed, 17 Feb 2016 09:49:03 +0000
 ~> To: [email protected]
 ~> From: [email protected]
 ~> Subject: Test message
 ~> X-Mailer: swaks v20130209.0 jetmore.org/john/code/swaks/
 ~>
 ~> Hello world
 ~>
 ~>
 ~> .
<~  250 2.0.0 OK 1455702544 h8sm76342lbd.48 - gsmtp
 ~> QUIT
<~  221 2.0.0 closing connection h8sm76342lbd.48 - gsmtp
=== Connection closed with remote host.

YAHOO: TLS aka SMTPS, tlsv1.2

$ echo "Hello world" | swaks -4 --server smtp.mail.yahoo.com:465 --from [email protected] --to [email protected] --tlsc --tls-protocol tlsv1_2 --auth PLAIN --auth-user [email protected] --auth-password 7654321 --h-Subject "Test message" --body -
=== Trying smtp.mail.yahoo.com:465...
=== Connected to smtp.mail.yahoo.com.
=== TLS started with cipher TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128
=== TLS no local certificate set
=== TLS peer DN="/C=US/ST=California/L=Sunnyvale/O=Yahoo Inc./OU=Information Technology/CN=smtp.mail.yahoo.com"
<~  220 smtp.mail.yahoo.com ESMTP ready
 ~> EHLO www.example.net
<~  250-smtp.mail.yahoo.com
<~  250-PIPELINING
<~  250-SIZE 41697280
<~  250-8 BITMIME
<~  250 AUTH PLAIN LOGIN XOAUTH2 XYMCOOKIE
 ~> AUTH PLAIN AGFhQxsZXguaGhMGdATGV4X2hoYtYWlsLmNvbQBS9TU1MjQ=
<~  235 2.0.0 OK
 ~> MAIL FROM:<[email protected]>
<~  250 OK , completed
 ~> RCPT TO:<[email protected]>
<~  250 OK , completed
 ~> DATA
<~  354 Start Mail. End with CRLF.CRLF
 ~> Date: Wed, 17 Feb 2016 10:08:28 +0000
 ~> To: [email protected]
 ~> From: [email protected]
 ~> Subject: Test message
 ~> X-Mailer: swaks v20130209.0 jetmore.org/john/code/swaks/
 ~>
 ~> Hello world
 ~>
 ~>
 ~> .
<~  250 OK , completed
 ~> QUIT
<~  221 Service Closing transmission
=== Connection closed with remote host.

I have been using swaks to send email notifications from nagios via gmail for last 5 years without any problem.

Nice little ES6 one liner:

users.sort((a, b) => a.firstname !== b.firstname ? a.firstname < b.firstname ? -1 : 1 : 0);

each JSF component renders itself out to HTML and has complete control over what HTML it produces. There are many tricks that can be used by JSF, and exactly which of those tricks will be used depends on the JSF implementation you are using.

• Ensure that every from input has a totaly unique name, so that when the form gets submitted back to to component tree that rendered it, it is easy to tell where each component can read its value form.
• The JSF component can generate javascript that submitts back to the serer, the generated javascript knows where each component is bound too, because it was generated by the component.

• For things like hlink you can include binding information in the url as query params or as part of the url itself or as matrx parameters. for examples.

  http:..../somelink?componentId=123 would allow jsf to look in the component tree to see that link 123 was clicked. or it could e htp:..../jsf;LinkId=123

The easiest way to answer this question is to create a JSF page with only one link, then examine the html output it produces. That way you will know exactly how this happens using the version of JSF that you are using.

From the stack trace it's clear that, the ThreadPoolExecutor > Worker thread started and it's waiting for the task to be available on the BlockingQueue(DelayedWorkQueue) to pick the task and execute.So this thread will be in WAIT status only as long as get a SIGNAL from the publisher thread.

Try this...

* {
    transition: all .2s linear;
    -webkit-transition: all .2s linear;
    -moz-transition: all .2s linear;
    -o-transition: all .2s linear;
}
a {
    -webkit-transition: background-position 1ms linear;
    -moz-transition: background-position 1ms linear;
    -o-transition: background-position 1ms linear;
    transition: background-position 1ms linear;
}

hosts file:

1.2.3.4 google.com

1.2.3.4 - ip of your server.

Run script on the server for redirecting users to url that you want.

For those of you, who doesn't like this monstrous new AClass[] { ... } syntax, here's some sugar:

public AClass[] c(AClass... arr) { return arr; }

Use this little function as you like:

AClass[] array;
...
array = c(object1, object2);

I sorted this problem by verifying the json on JSONLint.com and then using Jackson. Below is the code for the same.

 Main Class:-

String jsonStr = "[{\r\n" + "       \"name\": \"John\",\r\n" + "        \"city\": \"Berlin\",\r\n"
                + "         \"cars\": [\r\n" + "            \"FIAT\",\r\n" + "          \"Toyata\"\r\n"
                + "     ],\r\n" + "     \"job\": \"Teacher\"\r\n" + "   },\r\n" + " {\r\n"
                + "     \"name\": \"Mark\",\r\n" + "        \"city\": \"Oslo\",\r\n" + "        \"cars\": [\r\n"
                + "         \"VW\",\r\n" + "            \"Toyata\"\r\n" + "     ],\r\n"
                + "     \"job\": \"Doctor\"\r\n" + "    }\r\n" + "]";

        ObjectMapper mapper = new ObjectMapper();

        MyPojo jsonObj[] = mapper.readValue(jsonStr, MyPojo[].class);

        for (MyPojo itr : jsonObj) {

            System.out.println("Val of getName is: " + itr.getName());
            System.out.println("Val of getCity is: " + itr.getCity());
            System.out.println("Val of getJob is: " + itr.getJob());
            System.out.println("Val of getCars is: " + itr.getCars() + "\n");

        }

POJO:

public class MyPojo {

private List<String> cars = new ArrayList<String>();

private String name;

private String job;

private String city;

public List<String> getCars() {
    return cars;
}

public void setCars(List<String> cars) {
    this.cars = cars;
}

public String getName() {
    return name;
}

public void setName(String name) {
    this.name = name;
}

public String getJob() {
    return job;
}

public void setJob(String job) {
    this.job = job;
}

public String getCity() {
    return city;
}

public void setCity(String city) {
    this.city = city;
} }

  RESULT:-
         Val of getName is: John
         Val of getCity is: Berlin
         Val of getJob is: Teacher
         Val of getCars is: [FIAT, Toyata]

          Val of getName is: Mark
          Val of getCity is: Oslo
          Val of getJob is: Doctor
          Val of getCars is: [VW, Toyata]

Virtual methods CAN be overridden by deriving classes, but need an implementation in the base class (the one that will be overridden)

Pure virtual methods have no implementation the base class. They need to be defined by derived classes. (So technically overridden is not the right term, because there's nothing to override).

Virtual corresponds to the default java behaviour, when the derived class overrides a method of the base class.

Pure Virtual methods correspond to the behaviour of abstract methods within abstract classes. And a class that only contains pure virtual methods and constants would be the cpp-pendant to an Interface.

& is always evaluated in a string context, while + may not concatenate if one of the operands is no string:

"1" + "2" => "12"
"1" + 2   => 3
1 + "2"   => 3
"a" + 2   => type mismatch

This is simply a subtle source of potential bugs and therefore should be avoided. & always means "string concatenation", even if its arguments are non-strings:

"1" & "2" => "12"
"1" &  2  => "12"
 1  & "2" => "12"
 1  &  2  => "12"
"a" &  2  => "a2"

This is how it worked for me:

HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("DELETE");
int responseCode = connection.getResponseCode();

Best will be:

link_to image_tag("Search.png", :border => 0, :alt => '', :title => ''), pages_search_path, :class => 'dock-item'

An alternative is:

for(var word = ''; word.length < 10; word += 'a'){}

If you need to repeat multiple chars, multiply your conditional:

for(var word = ''; word.length < 10 * 3; word += 'foo'){}

NOTE: You do not have to overshoot by 1 as with word = Array(11).join('a')

I have SQL2008 / Windows 2008 Enterprise and this is what I had to do to correct the rs.accessdenied, 404, 401 and 503 errors:

• Added NT Users to SQL Report Server Users and IIS_USR Group
• I changed SQL Reporting Service to Local account (it was Domain with Local Admin)
• I deleted encryption key in Reporting Services Configuration (last tab on the list)
• and THEN it worked.

This man have the best solution. Only css:

.multiline-ellipsis {
    display: block;
    display: -webkit-box;
    max-width: 400px;
    height: 109.2px;
    margin: 0 auto;
    font-size: 26px;
    line-height: 1.4;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

Your first attempt was almost right, It should work without the quotes.

{test: obj.value1 == 'someothervalue'}

Here is a plnkr.

The ngClass directive will work with any expression that evaluates truthy or falsey, a bit similar to Javascript expressions but with some differences, you can read about here. If your conditional is too complex, then you can use a function that returns truthy or falsey, as you did in your third attempt.

Just to complement: You can also use logical operators to form logical expressions like

ng-class="{'test': obj.value1 == 'someothervalue' || obj.value2 == 'somethingelse'}"

the :checked pseudo-class initially applies to such elements that have the HTML4 selected and checked attributes

Source: w3.org

So, this CSS works, although styling the color is not possible in every browser:

option:checked { color: red; }

An example of this in action, hiding the currently selected item from the drop down list.

option:checked { display:none; }

<select>_x000D_
    <option>A</option>_x000D_
    <option>B</option>_x000D_
    <option>C</option>_x000D_
</select>

To style the currently selected option in the closed dropdown as well, you could try reversing the logic:

select { color: red; }
option:not(:checked) { color: black; } /* or whatever your default style is */

When Excel finds mixed data types in same column it guesses what is the right format for the column (the majority of the values determines the type of the column) and dismisses all other values by inserting NULLs. But Excel does it far badly (e.g. if a column is considered text and Excel finds a number then decides that the number is a mistake and insert a NULL instead, or if some cells containing numbers are "text" formatted, one may get NULL values into an integer column of the database).

Solution:

1. Create a new excel sheet with the name of the columns in the first row
2. Format the columns as text
3. Paste the rows without format (use CVS format or copy/paste in Notepad to get only text)

Note that formatting the columns on an existing Excel sheet is not enough.

package-lock.json is re-generated whenever you run npm i.

For anyone out there who needs this I just have a feeling. (Get the smallest number with multi values in the array) Thanks to Akexis answer.

if you have let's say an array of Distance and ID and ETA in minutes So you do push maybe in for loop or something

Distances.push([1.3, 1, 2]); // Array inside an array.

And then when It finishes, do a sort

Distances.sort();

So this will sort upon the first thing which is Distance here. Now we have the closest or the least is the first you can do

Distances[0] // The closest distance or the smallest number of distance. (array).

I think you understand everything Interfaces do, but you're not yet imagining the situations in which an Interface is useful.

If you're instantiating, using and releasing an object all within a narrow scope (for example, within one method call), an Interface doesn't really add anything. Like you noted, the concrete class is known.

Where Interfaces are useful is when an object needs to be created one place and returned to a caller that may not care about the implementation details. Let's change your IBox example to an Shape. Now we can have implementations of Shape such as Rectangle, Circle, Triangle, etc., The implementations of the getArea() and getSize() methods will be completely different for each concrete class.

Now you can use a factory with a variety of createShape(params) methods which will return an appropriate Shape depending on the params passed in. Obviously, the factory will know about what type of Shape is being created, but the caller won't have to care about whether it's a circle, or a square, or so on.

Now, imagine you have a variety of operations you have to perform on your shapes. Maybe you need to sort them by area, set them all to a new size, and then display them in a UI. The Shapes are all created by the factory and then can be passed to the Sorter, Sizer and Display classes very easily. If you need to add a hexagon class some time in the future, you don't have to change anything but the factory. Without the Interface, adding another shape becomes a very messy process.

If really you can't use Defense Option 1: Prepared Statements (Parameterized Queries) or Defense Option 2: Stored Procedures, don't build your own tool, use the OWASP Enterprise Security API. From the OWASP ESAPI hosted on Google Code:

Don’t write your own security controls! Reinventing the wheel when it comes to developing security controls for every web application or web service leads to wasted time and massive security holes. The OWASP Enterprise Security API (ESAPI) Toolkits help software developers guard against security-related design and implementation flaws.

For more details, see Preventing SQL Injection in Java and SQL Injection Prevention Cheat Sheet.

Pay a special attention to Defense Option 3: Escaping All User Supplied Input that introduces the OWASP ESAPI project).

From my looking you give a null value to a textbox and return in a ToString() as it is a static method. You can replace it with Convert.ToString() that can enable null value.

I would have put this in a comment on the accepted answer, since that's where it belongs, but I can't. So, just in case anyone gets unreliable results, this could be why.

Be careful of the accepted answer, it fails if the time_point is before the epoch.

This line of code:

std::size_t fractional_seconds = ms.count() % 1000;

will yield unexpected values if ms.count() is negative (since size_t is not meant to hold negative values).

Did you try deleting and recreating your AVD? You can manually delete the AVD files by going to the directory they're stored in (in your user's /.android/avd subdirectory).

The sql server database will be stored by default in the following path

<drive>:\Program Files\Microsoft SQL Server\MSSQL.X\MSSQL\Data\

, where <drive> is the installation drive and X is the instance number (MSSQL.1 for the first instance of the Database Engine). Inorder to provide the connection string you should know what is the server name of the sql server database, where you have stored followed by instance of the database server.

Generally the server name will be like the ip address of the machine where the database is attached and the default instance will be SqlExpress

A connection string contains Data Source name i.e., server name, Initial catalog i.e., database name, user id i.e., login user id of the database, password i.e., login password of the database.

The following seems to work as well, and it's a little bit shorter than the other answers:

T result = (T)Convert.ChangeType(otherTypeObject, typeof(T));

Shouldn't you have:

DELETE FROM tableA WHERE entitynum IN (...your select...)

Now you just have a WHERE with no comparison:

DELETE FROM tableA WHERE (...your select...)

So your final query would look like this;

DELETE FROM tableA WHERE entitynum IN (
    SELECT tableA.entitynum FROM tableA q
      INNER JOIN tableB u on (u.qlabel = q.entityrole AND u.fieldnum = q.fieldnum) 
    WHERE (LENGTH(q.memotext) NOT IN (8,9,10) OR q.memotext NOT LIKE '%/%/%')
      AND (u.FldFormat = 'Date')
)

Even though the <head> and <body> tags aren't required, the elements are still there - it's just that the browser can work out where the tags would have been from the rest of the document.

The other elements you're using still have to be inside the <body>

Using jQuery:

// Listen for click on toggle checkbox
$('#select-all').click(function(event) {   
    if(this.checked) {
        // Iterate each checkbox
        $(':checkbox').each(function() {
            this.checked = true;                        
        });
    } else {
        $(':checkbox').each(function() {
            this.checked = false;                       
        });
    }
});

HTML:

<input type="checkbox" name="checkbox-1" id="checkbox-1" />
<input type="checkbox" name="checkbox-2" id="checkbox-2" />
<input type="checkbox" name="checkbox-3" id="checkbox-3" />

<!-- select all boxes -->
<input type="checkbox" name="select-all" id="select-all" />

If you want to use scrollWidth to get the "REAL" CONTENT WIDTH/HEIGHT (as content can be BIGGER than the css-defined width/height-Box) the scrollWidth/Height is very UNRELIABLE as some browser seem to "MOVE" the paddingRIGHT & paddingBOTTOM if the content is to big. They then place the paddings at the RIGHT/BOTTOM of the "too broad/high content" (see picture below).

==> Therefore to get the REAL CONTENT WIDTH in some browsers you have to substract BOTH paddings from the scrollwidth and in some browsers you only have to substract the LEFT Padding.

I found a solution for this and wanted to add this as a comment, but was not allowed. So I took the picture and made it a bit clearer in the regard of the "moved paddings" and the "unreliable scrollWidth". In the BLUE AREA you find my solution on how to get the "REAL" CONTENT WIDTH!

Hope this helps to make things even clearer!

For setting the Socket timeout, you need to follow these steps:

import socket
socks = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
socks.settimeout(10.0) # settimeout is the attr of socks.

Note that you can escape a json array / dictionary by doing json.dumps twice and json.loads twice:

>>> a = {'x':1}
>>> b = json.dumps(json.dumps(a))
>>> b
'"{\\"x\\": 1}"'
>>> json.loads(json.loads(b))
{u'x': 1}

The object can be used as a parameter in Exception.with_traceback() function:

except Exception as e:
    tb = sys.exc_info()
    print(e.with_traceback(tb[2]))

add 0.5 before casting (if x > 0) or subtract 0.5 (if x < 0), because the compiler will always truncate.

float x = 55; // stored as 54.999999...
x = x + 0.5 - (x<0); // x is now 55.499999...
int y = (int)x; // truncated to 55

C++11 also introduces std::round, which likely uses a similar logic of adding 0.5 to |x| under the hood (see the link if interested) but is obviously more robust.

A follow up question might be why the float isn't stored as exactly 55. For an explanation, see this stackoverflow answer.

Can you use date as a factor?

Yes, but you probably shouldn't.

...or should you use as.Date on a date column?

Yes.

Which leads us to this:

library(scales)
df$Month <- as.Date(df$Month)
ggplot(df, aes(x = Month, y = AvgVisits)) + 
  geom_bar(stat = "identity") +
  theme_bw() +
  labs(x = "Month", y = "Average Visits per User") +
  scale_x_date(labels = date_format("%m-%Y"))

in which I've added stat = "identity" to your geom_bar call.

In addition, the message about the binwidth wasn't an error. An error will actually say "Error" in it, and similarly a warning will always say "Warning" in it. Otherwise it's just a message.

Visual Assist X.

This is more complex than some other solutions, but may offer more flexibility in scenarios:

1) Make a class definition to isolate (encapsulate) the styling you want to apply/remove selectively. It can be empty (and for this case, probably should be):

.myColor {}

2) use this code, based on http://jsfiddle.net/kdp5V/167/ from this answer by gilly3:

function changeCSSRule(styleSelector,property,value) {
    for (var ssIdx = 0; ssIdx < document.styleSheets.length; ssIdx++) {
        var ss = document.styleSheets[ssIdx];
        var rules = ss.cssRules || ss.rules;
        if(rules){
            for (var ruleIdx = 0; ruleIdx < rules.length; ruleIdx++) {
                var rule = rules[ruleIdx];
                if (rule.selectorText == styleSelector) {
                    if(typeof value == 'undefined' || !value){
                        rule.style.removeProperty(property);
                    } else {
                        rule.style.setProperty(property,value);
                    }
                    return; // stops at FIRST occurrence of this styleSelector
                }
            }
        }
    }
}

Usage example: http://jsfiddle.net/qvkwhtow/

Caveats:

• Not extensively tested.
• Can't include !important or other directives in the new value. Any such existing directives will be lost through this manipulation.
• Only changes first found occurrence of a styleSelector. Doesn't add or remove entire styles, but this could be done with something more elaborate.
• Any invalid/unusable values will be ignored or throw error.
• In Chrome (at least), non-local (as in cross-site) CSS rules are not exposed through document.styleSheets object, so this won't work on them. One would have to add a local overrides and manipulate that, keeping in mind the "first found" behavior of this code.
• document.styleSheets is not particularly friendly to manipulation in general, don't expect this to work for aggressive use.

Isolating the styling this way is what CSS is all about, even if manipulating it isn't. Manipulating CSS rules is NOT what jQuery is all about, jQuery manipulates DOM elements, and uses CSS selectors to do it.

Yes it is.

In Python a function doesn't always have to return a variable of the same type (although your code will be more readable if your functions do always return the same type). That means that you can't specify a single return type for the function.

In the same way, the parameters don't always have to be the same type too.

Change:

struct timeval, tvalBefore, tvalAfter; /* Looks like an attempt to
                                          delcare a variable with
                                          no name. */

to:

struct timeval tvalBefore, tvalAfter;

It is less likely (IMO) to make this mistake if there is a single declaration per line:

struct timeval tvalBefore;
struct timeval tvalAfter;

It becomes more error prone when declaring pointers to types on a single line:

struct timeval* tvalBefore, tvalAfter;

tvalBefore is a struct timeval* but tvalAfter is a struct timeval.

Check if you don't have a ScrollView wrapping your Webview.

In my case that was the problem. It seems ScrollView gets in the way of the pinch gesture.

To fix it, just take your Webview outside the ScrollView.

In addition to tcash21's numeric indexing if OP may have been looking for negative indexing by name. Here's a few ways I know, some are risky than others to use:

mtcars[, -which(names(mtcars) == "carb")]  #only works on a single column
mtcars[, names(mtcars) != "carb"]          #only works on a single column
mtcars[, !names(mtcars) %in% c("carb", "mpg")] 
mtcars[, -match(c("carb", "mpg"), names(mtcars))] 
mtcars2 <- mtcars; mtcars2$hp <- NULL         #lost column (risky)


library(gdata) 
remove.vars(mtcars2, names=c("mpg", "carb"), info=TRUE) 

Generally I use:

mtcars[, !names(mtcars) %in% c("carb", "mpg")] 

because I feel it's safe and efficient.

Maybe I'm too naive but, couldn't you create an event that is raised when GetStringData() is called and attach an EventHandler that calls and awaits the async method?

Something like:

public event EventHandler FireAsync;

public string GetStringData()
{
   FireAsync?.Invoke(this, EventArgs.Empty);
   return "hello world";
}

public async void HandleFireAsync(object sender, EventArgs e)
{
   await MyAsyncMethod();
}

And somewhere in the code attach and detach from the event:

FireAsync += HandleFireAsync;

(...)

FireAsync -= HandleFireAsync;

Not sure if this might be anti-pattern somehow (if it is please let me know), but it catches the Exceptions and returns quickly from GetStringData().

Reserved.objects.filter(client=client_id).order_by('-check_in')

Notice the - before check_in.

Django Documentation

In WPF, you use a DispatcherTimer.

System.Windows.Threading.DispatcherTimer dispatcherTimer = new System.Windows.Threading.DispatcherTimer();
dispatcherTimer.Tick += new EventHandler(dispatcherTimer_Tick);
dispatcherTimer.Interval = new TimeSpan(0,5,0);
dispatcherTimer.Start();


private void dispatcherTimer_Tick(object sender, EventArgs e)
{
  // code goes here
}

You can return json in PHP this way:

header('Content-Type: application/json');
echo json_encode(array('foo' => 'bar'));
exit;

You need to install a so-called Instance of MSSQL server on your computer. That is, installing all the needed files and services and database files. By default, there should be no MSSQL Server installed on your machine, assuming that you use a desktop Windows (7,8,10...).

You can start off with Microsoft SQL Server Express, which is a 10GB-limited, free version of MSSQL. It also lacks some other features (Server Agents, AFAIR), but it's good for some experiments.

Download it from the Microsoft Website and go through the installer process by choosing New SQL Server stand-alone installation .. after running the installer.

Click through the steps. For your scenario (it sounds like you mainly want to test some stuff), the default options should suffice.

Just give attention to the step Instance Configuration. There you will set the name of your MSSQL Server Instance. Call it something unique/descriptive like MY_TEST_INSTANCE or the like. Also, choose wisely the Instance root directory. In it, the database files will be placed, so it should be on a drive that has enough space.

Click further through the wizard, and when it's finished, your MSSQL instance will be up and running. It will also run at every boot if you have chosen the default settings for the services.

As soon as it's running in the background, you can connect to it with Management Studio by connecting to .\MY_TEST_INSTANCE, given that that's the name you chose for the instance.

Most of the time when we download tomcat and extract the file a folder will be created:

C:\Program Files\apache-tomcat-9.0.1-windows-x64

Inside that actual tomcat folder will be there:

C:\Program Files\apache-tomcat-9.0.1-windows-x64\apache-tomcat-9.0.1

so while selecting you need to select inner folder:

C:\Program Files\apache-tomcat-9.0.1-windows-x64\apache-tomcat-9.0.1

instead of the outer.

For anyone else stuck with this, it's probably not working because the ajax call is interpreting your returned data as text - i.e. it's not yet a JSON object.

You can convert it to a JSON object by manually using the parseJSON command or simply adding the dataType: 'json' property to your ajax call. e.g.

jQuery.ajax({
    type: 'POST',
    url: '<?php echo admin_url('admin-ajax.php'); ?>',
    data: data, 
    dataType: 'json', // ** ensure you add this line **
    success: function(data) {
        jQuery.each(data, function(index, item) {
            //now you can access properties using dot notation
        });
    },
    error: function(XMLHttpRequest, textStatus, errorThrown) {
        alert("some error");
    }
});

Rename branches in Git local and remote

1. Rename your local branch.

If you are on the branch you want to rename:

git branch -m new-name

If you are on a different branch:

git branch -m old-name new-name

2. Delete the old-name remote branch and push the new-name local branch.

git push origin :old-name new-name

3. Reset the upstream branch for the new-name local branch.

Switch to the branch and then:

git push origin -u new-name

So the conclusion is:

git branch -m new-name
git push origin :old-name new-name
git push origin -u new-name

call function on load:

<video onload="doWhatYouNeedTo()" src="demo.mp4" id="video">

get video duration

var video = document.getElementById("video");
var duration = video.duration;

There are different ways. If you just want to check if one list contains any element from the other list, you can do this..

not set(list1).isdisjoint(list2)

I believe using isdisjoint is better than intersection for Python 2.6 and above.

tl;dr

Instant.now()
       .toString()

2016-05-06T23:24:25.694Z

ZonedDateTime
.now
( 
    ZoneId.of( "America/Montreal" ) 
)
.format(  DateTimeFormatter.ISO_LOCAL_DATE_TIME )
.replace( "T" , " " )

2016-05-06 19:24:25.694

java.time

In Java 8 and later, we have the java.time framework built into Java 8 and later. These new classes supplant the troublesome old java.util.Date/.Calendar classes. The new classes are inspired by the highly successful Joda-Time framework, intended as its successor, similar in concept but re-architected. Defined by JSR 310. Extended by the ThreeTen-Extra project. See the Tutorial.

Be aware that java.time is capable of nanosecond resolution (9 decimal places in fraction of second), versus the millisecond resolution (3 decimal places) of both java.util.Date & Joda-Time. So when formatting to display only 3 decimal places, you could be hiding data.

If you want to eliminate any microseconds or nanoseconds from your data, truncate.

Instant instant2 = instant.truncatedTo( ChronoUnit.MILLIS ) ;

The java.time classes use ISO 8601 format by default when parsing/generating strings. A Z at the end is short for Zulu, and means UTC.

An Instant represents a moment on the timeline in UTC with resolution of up to nanoseconds. Capturing the current moment in Java 8 is limited to milliseconds, with a new implementation in Java 9 capturing up to nanoseconds depending on your computer’s hardware clock’s abilities.

Instant instant = Instant.now (); // Current date-time in UTC.
String output = instant.toString ();

2016-05-06T23:24:25.694Z

Replace the T in the middle with a space, and the Z with nothing, to get your desired output.

String output = instant.toString ().replace ( "T" , " " ).replace( "Z" , "" ; // Replace 'T', delete 'Z'. I recommend leaving the `Z` or any other such [offset-from-UTC][7] or [time zone][7] indicator to make the meaning clear, but your choice of course.

2016-05-06 23:24:25.694

As you don't care about including the offset or time zone, make a "local" date-time unrelated to any particular locality.

String output = LocalDateTime.now ( ).toString ().replace ( "T", " " );

Joda-Time

The highly successful Joda-Time library was the inspiration for the java.time framework. Advisable to migrate to java.time when convenient.

The ISO 8601 format includes milliseconds, and is the default for the Joda-Time 2.4 library.

System.out.println( "Now: " + new DateTime ( DateTimeZone.UTC ) );

When run…

Now: 2013-11-26T20:25:12.014Z

Also, you can ask for the milliseconds fraction-of-a-second as a number, if needed:

int millisOfSecond = myDateTime.getMillisOfSecond ();

Change

var svg   = document.documentElement;

to

var svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");

so that you create a SVG element.

For the link to be an hyperlink, simply add a href attribute :

h.setAttributeNS(null, 'href', 'http://www.google.com');

Demonstration

WebSockets is definitely the future.

Long polling is a dirty workaround to prevent creating connections for each request like AJAX does -- but long polling was created when WebSockets didn't exist. Now due to WebSockets, long polling is going away.

WebRTC allows for peer-to-peer communication.

I recommend learning WebSockets.

Comparison:

of different communication techniques on the web

• AJAX - request → response. Creates a connection to the server, sends request headers with optional data, gets a response from the server, and closes the connection. Supported in all major browsers.

• Long poll - request → wait → response. Creates a connection to the server like AJAX does, but maintains a keep-alive connection open for some time (not long though). During connection, the open client can receive data from the server. The client has to reconnect periodically after the connection is closed, due to timeouts or data eof. On server side it is still treated like an HTTP request, same as AJAX, except the answer on request will happen now or some time in the future, defined by the application logic. support chart (full) | wikipedia

• WebSockets - client ↔ server. Create a TCP connection to the server, and keep it open as long as needed. The server or client can easily close the connection. The client goes through an HTTP compatible handshake process. If it succeeds, then the server and client can exchange data in both directions at any time. It is efficient if the application requires frequent data exchange in both ways. WebSockets do have data framing that includes masking for each message sent from client to server, so data is simply encrypted. support chart (very good) | wikipedia

• WebRTC - peer ↔ peer. Transport to establish communication between clients and is transport-agnostic, so it can use UDP, TCP or even more abstract layers. This is generally used for high volume data transfer, such as video/audio streaming, where reliability is secondary and a few frames or reduction in quality progression can be sacrificed in favour of response time and, at least, some data transfer. Both sides (peers) can push data to each other independently. While it can be used totally independent from any centralised servers, it still requires some way of exchanging endPoints data, where in most cases developers still use centralised servers to "link" peers. This is required only to exchange essential data for establishing a connection, after which a centralised server is not required. support chart (medium) | wikipedia

• Server-Sent Events - client ← server. Client establishes persistent and long-term connection to server. Only the server can send data to a client. If the client wants to send data to the server, it would require the use of another technology/protocol to do so. This protocol is HTTP compatible and simple to implement in most server-side platforms. This is a preferable protocol to be used instead of Long Polling. support chart (good, except IE) | wikipedia

Advantages:

The main advantage of WebSockets server-side, is that it is not an HTTP request (after handshake), but a proper message based communication protocol. This enables you to achieve huge performance and architecture advantages. For example, in node.js, you can share the same memory for different socket connections, so they can each access shared variables. Therefore, you don't need to use a database as an exchange point in the middle (like with AJAX or Long Polling with a language like PHP). You can store data in RAM, or even republish between sockets straight away.

Security considerations

People are often concerned about the security of WebSockets. The reality is that it makes little difference or even puts WebSockets as better option. First of all, with AJAX, there is a higher chance of MITM, as each request is a new TCP connection that is traversing through internet infrastructure. With WebSockets, once it's connected it is far more challenging to intercept in between, with additionally enforced frame masking when data is streamed from client to server as well as additional compression, which requires more effort to probe data. All modern protocols support both: HTTP and HTTPS (encrypted).

P.S.

Remember that WebSockets generally have a very different approach of logic for networking, more like real-time games had all this time, and not like http.

You can do something like:

object.attribute = value
object.save(:validate => false)

I think you want SELECT * FROM INFORMATION_SCHEMA.TABLES

See http://dev.mysql.com/doc/refman/5.0/en/tables-table.html

There are a few things wrong here:

• First, terminology. "Epoch" refers to the starting point of something. The "Unix Epoch" is Midnight, January 1st 1970 UTC. You can't convert an arbitrary "date string to epoch". You probably meant "Unix Time", which is often erroneously called "Epoch Time".

• .unix() returns Unix Time in whole seconds, but the default moment constructor accepts a timestamp in milliseconds. You should instead use .valueOf() to return milliseconds. Note that calling .unix()*1000 would also work, but it would result in a loss of precision.

• You're parsing a string without providing a format specifier. That isn't a good idea, as values like 1/2/2014 could be interpreted as either February 1st or as January 2nd, depending on the locale of where the code is running. (This is also why you get the deprecation warning in the console.) Instead, provide a format string that matches the expected input, such as:

  moment("10/15/2014 9:00", "M/D/YYYY H:mm")
  

• .calendar() has a very specific use. If you are near to the date, it will return a value like "Today 9:00 AM". If that's not what you expected, you should use the .format() function instead. Again, you may want to pass a format specifier.

• To answer your questions in comments, No - you don't need to call .local() or .utc().

Putting it all together:

var ts = moment("10/15/2014 9:00", "M/D/YYYY H:mm").valueOf();
var m = moment(ts);
var s = m.format("M/D/YYYY H:mm");
alert("Values are: ts = " + ts + ", s = " + s);

On my machine, in the US Pacific time zone, it results in:

Values are: ts = 1413388800000, s = 10/15/2014 9:00

Since the input value is interpreted in terms of local time, you will get a different value for ts if you are in a different time zone.

Also note that if you really do want to work with whole seconds (possibly losing precision), moment has methods for that as well. You would use .unix() to return the timestamp in whole seconds, and moment.unix(ts) to parse it back to a moment.

var ts = moment("10/15/2014 9:00", "M/D/YYYY H:mm").unix();
var m = moment.unix(ts);

Running sudo chown _mysql /usr/local/var/mysql/* helped me finally after trying multitude of options from all these SO answers. The issue with permissions probably arose from improper shutdown of the machine.

Read the info.plist file of your app and get the value for key CFBundleShortVersionString. Reading info.plist will give you an NSDictionary object

I don't think maven supports this. If you're on Unix, and don't want to leave your current directory, you could use a small shell script, a shell function, or just a sub-shell:

user@host ~/project$ (cd ~/some/location; mvn install)
[ ... mvn build ... ]
user@host ~/project$

As a bash function (which you could add to your ~/.bashrc):

function mvn-there() {
  DIR="$1"
  shift
  (cd $DIR; mvn "$@")     
} 

user@host ~/project$ mvn-there ~/some/location install)
[ ... mvn build ... ]
user@host ~/project$

I realize this doesn't answer the specific question, but may provide you with what you're after. I'm not familiar with the Windows shell, though you should be able to reach a similar solution there as well.

Regards

Perhaps I am missing something, but although the other solutions do call the parent scope function there is no ability to pass arguments from directive code, this is because the update-fn is calling updateFn() with fixed parameters, in for example {msg: "Hello World"}. A slight change allows the directive to pass arguments, which I would think is far more useful.

<test color1="color1" update-fn="updateFn"></test>

Note the HTML is passing a function reference, i.e., without () brackets.

JS

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

app.controller("testCtrl", function($scope) {
    $scope.color1 = "color";
    $scope.updateFn = function(msg) {        
        alert(msg);
    }
});

app.directive('test', function() {
    return {
        restrict: 'E',
        scope: {
            color1: '=',
            updateFn: '&'
        },
        // object is passed while making the call
        template: "<button ng-click='callUpdate()'>
            Click</button>",
        replace: true,        
        link: function(scope, elm, attrs) {       
          scope.callUpdate = function() {
            scope.updateFn()("Directive Args");
          }
        }
    }
});

So in the above, the HTML is calling local scope callUpdate function, which then 'fetches' the updateFn from the parent scope and calls the returned function with parameters that the directive can generate.

http://jsfiddle.net/mygknek2/

Here's a very simple python function to compute R^2 from the actual and predicted values assuming y and y_hat are pandas series:

def r_squared(y, y_hat):
    y_bar = y.mean()
    ss_tot = ((y-y_bar)**2).sum()
    ss_res = ((y-y_hat)**2).sum()
    return 1 - (ss_res/ss_tot)

Android Q broke most of these for me. Here's a new one that seems to be working (at least on Android Q).

adb shell "dumpsys activity activities | grep mResumedActivity"

Output looks like:

mResumedActivity: ActivityRecord{7f6df99 u0 com.sample.app/.feature.SampleActivity t92}

Edit: Works on Android R for me as well

Use quarter turn, and increase the turn incrementally.

void (^block)() = ^{
    imageToMove.transform = CGAffineTransformRotate(imageToMove.transform, M_PI / 2);
}

void (^completion)(BOOL) = ^(BOOL finished){
    [UIView animateWithDuration:1.0
                          delay:0.0
                        options:0
                     animations:block
                     completion:completion];
}

completion(YES);

No, it's unsafe.

Despite the best efforts of the Hibernate team, you simply cannot rely on automatic updates in production. Write your own patches, review them with DBA, test them, then apply them manually.

Theoretically, if hbm2ddl update worked in development, it should work in production too. But in reality, it's not always the case.

Even if it worked OK, it may be sub-optimal. DBAs are paid that much for a reason.

The :active pseudo-class is not the same as adding a class to style the element.

The :active CSS pseudo-class represents an element (such as a button) that is being activated by the user. When using a mouse, "activation" typically starts when the mouse button is pressed down and ends when it is released.

What we are looking for is a class, such as .active, which we can use to style the navigation item.

For a clearer example of the difference between :active and .active see the following snippet:

li:active {_x000D_
  background-color: #35495E;_x000D_
}_x000D_
_x000D_
li.active {_x000D_
  background-color: #41B883;_x000D_
}

<ul>_x000D_
  <li>:active (pseudo-class) - Click me!</li>_x000D_
  <li class="active">.active (class)</li>_x000D_
</ul>

Vue-Router

vue-router automatically applies two active classes, .router-link-active and .router-link-exact-active, to the <router-link> component.

router-link-active

This class is applied automatically to the <router-link> component when its target route is matched.

The way this works is by using an inclusive match behavior. For example, <router-link to="/foo"> will get this class applied as long as the current path starts with /foo/ or is /foo.

So, if we had <router-link to="/foo"> and <router-link to="/foo/bar">, both components would get the router-link-active class when the path is /foo/bar.

router-link-exact-active

This class is applied automatically to the <router-link> component when its target route is an exact match. Take into consideration that both classes, router-link-active and router-link-exact-active, will be applied to the component in this case.

Using the same example, if we had <router-link to="/foo"> and <router-link to="/foo/bar">, the router-link-exact-activeclass would only be applied to <router-link to="/foo/bar"> when the path is /foo/bar.

The exact prop

Lets say we have <router-link to="/">, what will happen is that this component will be active for every route. This may not be something that we want, so we can use the exact prop like so: <router-link to="/" exact>. Now the component will only get the active class applied when it is an exact match at /.

CSS

We can use these classes to style our element, like so:

 nav li:hover,
 nav li.router-link-active,
 nav li.router-link-exact-active {
   background-color: indianred;
   cursor: pointer;
 }

The <router-link> tag was changed using the tag prop, <router-link tag="li" />.

Change default classes globally

If we wish to change the default classes provided by vue-router globally, we can do so by passing some options to the vue-router instance like so:

const router = new VueRouter({
  routes,
  linkActiveClass: "active",
  linkExactActiveClass: "exact-active",
})

Change default classes per component instance (<router-link>)

If instead we want to change the default classes per <router-link> and not globally, we can do so by using the active-class and exact-active-class attributes like so:

<router-link to="/foo" active-class="active">foo</router-link>

<router-link to="/bar" exact-active-class="exact-active">bar</router-link>

v-slot API

Vue Router 3.1.0+ offers low level customization through a scoped slot. This comes handy when we wish to style the wrapper element, like a list element <li>, but still keep the navigation logic in the anchor element <a>.

<router-link
  to="/foo"
  v-slot="{ href, route, navigate, isActive, isExactActive }"
>
  <li
    :class="[isActive && 'router-link-active', isExactActive && 'router-link-exact-active']"
  >
    <a :href="href" @click="navigate">{{ route.fullPath }}</a>
  </li>
</router-link>

You can check for text in your page source as follow:

Assert.IsTrue(driver.PageSource.Contains("Your Text Here"))

arr.reduce((o, [key, value]) => ({...o, [key]: value}), {})