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How can I detect if this dictionary key exists in C#?
...ystem.Collections.Generic;
using System.Collections;
namespace Main
{
internal partial class Dictionary<TKey, TValue> : System.Collections.Generic.Dictionary<TKey, TValue>
{
internal new virtual void Add(TKey key, TValue value)
{
if (!base.Contains...
Implement paging (skip / take) functionality with this query
...
New key words offset and fetch next (just following SQL standards) were introduced.
But I guess, that you are not using SQL Server 2012, right? In previous version it is a bit (little bit) difficult. Here is comparison and examples for all SQL server versions: here
So, this could work in SQL Se...
Hex representation of a color with alpha channel?
... an hex to rgba:
background:
rgba(#000, 0.5);
And the preprocessor just converts the hex code to rgb automatically.
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Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign
... primary key and the error that occurred on that row...
This is in C#, but converting it to VB should not be hard.
foreach (DataRow dr in dataTable)
{
if (dr.HasErrors)
{
Debug.Write("Row ");
foreach (DataColumn dc in dataTable.PKColumns)
Debug.Write(dc.ColumnName...
Superiority of unnamed namespace over static?
...ined types.
The following code is valid in C++
//legal code
static int sample_function() { /* function body */ }
static int sample_variable;
But this code is NOT valid:
//illegal code
static class sample_class { /* class body */ };
static struct sample_struct { /* struct body ...
Handling a Menu Item Click Event - Android
I want to create an intent that starts a new activity once a Menu Item is clicked, but I'm not sure how to do this. I've been reading through the android documentation, but my implementation isn't correct..and some guidance in the right direction would help. I've listed my code below and commented o...
Is the list of Python reserved words and builtins available in a library?
... 'Exception', 'False', 'FileExistsError',
'FileNotFoundError', 'FloatingPointError', 'FutureWarning', 'GeneratorExit', 'IOError',
'ImportError', 'ImportWarning', 'IndentationError', 'IndexError',
'InterruptedError', 'IsADirectoryError', 'KeyError', 'KeyboardInterrupt', 'LookupError',
'MemoryErro...
CodeFile vs CodeBehind
...meant for a "Web Application Project" as it needs to be compiled. So while converting a "Website" to a "Web Application Project" we may need to manually change all CodeFile occurences to Codebehind!
– renegadeMind
Jun 3 '10 at 12:50
...
What is Data URI support like in major email client software?
... data URIs.
In addition, gmx.de (a very popular German web mail provider) converts image URIs to a URI on its server, and this doesn't seem to support data URIs.
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Random “Element is no longer attached to the DOM” StaleElementReferenceException
...reshed, or element is removed and re-added
element.click();
Now at the point where you're clicking the element, the element reference is no longer valid. It's close to impossible for WebDriver to make a good guess about all the cases where this might happen - so it throws up its hands and gives co...