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Is there any difference between GROUP BY and DISTINCT
...nce (in SQL Server, at least). Both queries use the same execution plan.
http://sqlmag.com/database-performance-tuning/distinct-vs-group
Maybe there is a difference, if there are sub-queries involved:
http://blog.sqlauthority.com/2007/03/29/sql-server-difference-between-distinct-and-group-by-dis...
Jquery to change form action
... like:
$('#button1').click(function(){
$('#your_form').attr('action', 'http://uri-for-button1.com');
});
This code is the same for the second button, you only need to change the id of your button and the URI where the form should be submitted to.
...
How to clear MemoryCache?
...et and has none of the problems discussed above.
// By Thomas F. Abraham (http://www.tfabraham.com)
namespace CacheTest
{
using System;
using System.Diagnostics;
using System.Globalization;
using System.Runtime.Caching;
public class SignaledChangeEventArgs : EventArgs
{
...
How does Chrome's “Request Desktop Site” option work?
... case it just reloads somesite.com/m.
I would expect that this works with HTTP 301 and 302 redirects, I know it works with document.location changes (at least as described), and would speculate that it works with <meta> refreshes.
...
Strip HTML from strings in Python
...ture.
from bs4 import BeautifulSoup
html_str = '''
<td><a href="http://www.fakewebsite.com">Please can you strip me?</a>
<br/><a href="http://www.fakewebsite.com">I am waiting....</a>
</td>
'''
soup = BeautifulSoup(html_str)
print(soup.get_text())
#or vi...
Best way to hide a window from the Alt-Tab program switcher?
...st, the XAML part:
<Window x:Class="WpfApplication1.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Height="300" Width="300"
ShowInTaskbar="False" WindowStyle="None"
Loaded="Window_Loaded" >
...
How to get Activity's content view?
...ke
PHONE XML LAYOUT
<android.support.v4.view.ViewPager xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:tag="phone"/>
TABLET XML LAYOUT
<RelativeLayout xml...
Remove whitespaces inside a string in javascript
...)); // $Q$W$E$R$TY$
Performance comparison - /\s+/g is faster. See here: http://jsperf.com/s-vs-s
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Using JQuery - preventing form from submitting
...t;html>
<head>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type='text/javascript'>
$(document).ready(function() {
//option A
$("form").submit(fu...
How to render a PDF file in Android
...
mWebView.getSettings().setPluginsEnabled(true);
mWebView.loadUrl("https://docs.google.com/gview?embedded=true&url="+LinkTo);
setContentView(mWebView);
}
}
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