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Is errno thread-safe?
...rrno is actually defined in bits/errno.h. Read the comments in the include file. It says: "Declare the `errno' variable, unless it's defined as a macro by bits/errno.h. This is the case in GNU, where it is a per-thread variable. This redeclaration using the macro still works, but it will be a func...
in entity framework code first, how to use KeyAttribute on multiple columns
...
If, like me, you prefer to use a configuration file you can do that in this way (based on Manavi's example):
public class User
{
public int UserId { get; set; }
public string Username { get; set; }
}
public class UserConfiguration : EntityTypeConfiguration<...
How do I list all loaded assemblies?
... each assembly, app domain and has a few options to load symbols (i.e. pdb files that contain debug information).
Using Process Explorer
If you want an external tool you can use the Process Explorer (freeware, published by Microsoft)
Click on a process and it will show a list with all the assem...
Make the current Git branch a master branch
... want to...
# git branch -d --force old-master
This will make the config files change to match the renamed branches.
You can also do it the dirty way, which won't update the config files. This is kind of what goes on under the hood of the above...
mv -i .git/refs/new-master .git/refs/master
git...
Remove border radius from Select tag in bootstrap 3
...n points="3.862,7.931 0,4.069 7.725,4.069 "/></svg> it saves same file space. It's also cacheable and easier to maintain. Copy this into a file and save as .svg and use it as a background.
– Arno Tenkink
Mar 11 '16 at 10:09
...
load and execute order of scripts
...age until the script has been loaded and executed.
To test this fact:
// file: test.php
sleep(10);
die("alert('Done!');");
// HTML file:
<script type="text/javascript" src="test.php"></script>
Dynamically added scripts are executed as soon as they are appended to the document.
To t...
Hidden Features of VB.NET?
...
Have you noticed the Like comparison operator?
Dim b As Boolean = "file.txt" Like "*.txt"
More from MSDN
Dim testCheck As Boolean
' The following statement returns True (does "F" satisfy "F"?)'
testCheck = "F" Like "F"
' The following statement returns False for Option Compare Binary'
'...
How to retrieve the LoaderException property?
...ons property for more information? Like, browse to a folder and view a log file?
– jp2code
Mar 18 '13 at 13:46
5
...
What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?
...requested webpage and executes the JavaScript on the page which requests a file from the server at regular intervals (e.g. 0.5 seconds).
The server calculates each response and sends it back, just like normal HTTP traffic.
Ajax Long-Polling:
A client requests a webpage from a server using regu...
NUnit vs. Visual Studio 2008's test projects for unit testing [closed]
...ly matter much, because you can convert test classes with separate project files and conditional compilation (like this, Visual Studio → NUnit):
#if !NUNIT
using Microsoft.VisualStudio.TestTools.UnitTesting;
#else
using NUnit.Framework;
using TestClass = NUnit.Framework.TestFixtureAttrib...