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Method call if not null in C#
...oving the race-condition, i.e. you don't need a temporary variable. So normally you'd need:
var handler = SomeEvent;
if(handler != null) handler(this, EventArgs.Empty);
but with:
public static void SafeInvoke(this EventHandler handler, object sender) {
if(handler != null) handler(sender, Eve...
What is the fastest way to create a checksum for large files in C#
...me machines. The files can be up to 6GB in size. The sync will be done manually every few weeks. I cant take the filename into consideration because they can change anytime.
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Access to Modified Closure
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In this case, it's okay, since you are actually executing the delegate within the loop.
If you were saving the delegate and using it later, however, you'd find that all of the delegates would throw exceptions when trying to access files[i] - they're capturing the var...
spring scoped proxy bean
...only be injected (once!).
This means that the 'userManager' will (conceptually) only ever operate on the exact same 'userPreferences' object, that is the one that it was originally injected with.
This is not what you want when you inject a HTTP Session-scoped bean as a dependency into a collaborat...
Batch files: How to read a file?
...mand would quit reading a line if it found a whitespace character. I eventually ended up using FOR /F "tokens=*" %%i IN (file.txt) DO @ECHO %%i
– Jason
Mar 27 '12 at 18:07
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How do you change the datatype of a column in SQL Server?
...to drop everything and recreate it, which is tedious and grunt work, especially if you have many foreign references on that column. e.g. when changing from tinyint to int.
– Hrvoje Batrnek
Jun 9 '18 at 14:18
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Error: The 'brew link' step did not complete successfully
I'm trying to install node.js via Homebrew. Unfortunately, I get this error:
21 Answers
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Change GitHub Account username
...'s user name on GitHub, but I can't find how to do it. Is this possible at all? To clarify, I'm not talking about the user.name parameter in a git repository, but the username of the actual GitHub account.
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Easiest way to detect Internet connection on iOS?
... connection to the specific host is routable. That doesn't mean you're actually able to connect. Example: you connect your iPhone's wifi to your camera's wifi. Wifi is connected with a default gateway: all hosts will report reachable. But they are actually not -- the camera is a dead-end connection....
Spring CrudRepository findByInventoryIds(List inventoryIdList) - equivalent to IN clause
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It's actually listed in the reference documentation.
– Oliver Drotbohm
Sep 27 '13 at 14:09
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