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.gitignore exclude folder but include specific subfolder
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Null or default comparison of generic argument in C#
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To avoid boxing, the best way to compare generics for equality is with EqualityComparer<T>.Default. This respects IEquatable<T> (without boxing) as well as object.Equals, and handles all the Nullable<T> "lifted" nuances. Hence:
if(Equality...
How to sleep for five seconds in a batch file/cmd [duplicate]
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One hack is to (mis)use the ping command:
ping 127.0.0.1 -n 6 > nul
Explanation:
ping is a system utility that sends ping requests. ping is available on all versions of Windows.
127.0.0.1 is the IP address of localhost. This IP address is guaranteed ...
Semaphore vs. Monitors - what's the difference?
... one person can enter at a time. They lock the door to prevent anyone else coming in, do their stuff, and then unlock it when they leave.
A semaphore is like a bike hire place. They have a certain number of bikes. If you try and hire a bike and they have one free then you can take it, otherwise you...
How to Deal with Temporary NSManagedObject instances?
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NOTE: This answer is very old. See comments for full history. My recommendation has since changed and I no longer recommend using unassociated NSManagedObject instances. My current recommendation is to use temporary child NSManagedObjectContext instances.
Ori...
Is there a reason for C#'s reuse of the variable in a foreach?
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The compiler declares the variable in a way that makes it highly prone to an error that is often difficult to find and debug, while producing no perceivable benefits.
Your criticism is entirely justified.
I discuss this proble...
How do I get java logging output to appear on a single line?
...ts format from a system property, so adding something like this to the JVM command line will cause it to print on one line:
-Djava.util.logging.SimpleFormatter.format='%1$tY-%1$tm-%1$td %1$tH:%1$tM:%1$tS %4$s %2$s %5$s%6$s%n'
Alternatively, you can also add this to your logger.properties:
java.u...
How to get the Display Name Attribute of an Enum member via MVC razor code?
...ss for enums:
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Reflection;
public static class EnumHelper<T>
where T : struct, Enum // This constraint requires C# 7.3 or later.
{
public static IList<T> G...
Choosing a stand-alone full-text search server: Sphinx or SOLR? [closed]
...ave a long list of high-traffic sites using them (Solr, Sphinx)
Both offer commercial support. (Solr, Sphinx)
Both offer client API bindings for several platforms/languages (Sphinx, Solr)
Both can be distributed to increase speed and capacity (Sphinx, Solr)
Here are some differences:
Solr, being...
What is event bubbling and capturing?
...he other hand, the performance of event bubbling may be slightly lower for complex DOMs.
We can use the addEventListener(type, listener, useCapture) to register event handlers for in either bubbling (default) or capturing mode. To use the capturing model pass the third argument as true.
Example
&...