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Null or default comparison of generic argument in C#
...IEquatable<T> (without boxing) as well as object.Equals, and handles all the Nullable<T> "lifted" nuances. Hence:
if(EqualityComparer<T>.Default.Equals(obj, default(T))) {
return obj;
}
This will match:
null for classes
null (empty) for Nullable<T>
zero/false/etc for...
How to check if a String contains only ASCII?
The call Character.isLetter(c) returns true if the character is a letter. But is there a way to quickly find if a String only contains the base characters of ASCII?
...
Android splash screen image sizes to fit all devices
...pi , and xhdpi ). My application is supposed to run good and beautiful on all phones and tablets. What sizes (in pixels) should I create so the splash displays nice on all screens?
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How to deploy an ASP.NET Application with zero downtime
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You need 2 servers and a load balancer. Here's in steps:
Turn all traffic on Server 2
Deploy on Server 1
Test Server 1
Turn all traffic on Server 1
Deploy on Server 2
Test Server 2
Turn traffic on both servers
Thing is, even in this case you will still have application restarts and lo...
What order are the Junit @Before/@After called?
I have an Integration Test Suite. I have a IntegrationTestBase class for all my tests to extend. This base class has a @Before ( public void setUp() ) and @After ( public void tearDown() ) method to establish API and DB connections. What I've been doing is just overriding those two methods in ...
jQuery - getting custom attribute from selected option
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Made my all-nighter crunch-time so much easier... +1!
– eduncan911
Jul 29 '10 at 14:30
3
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Can promises have multiple arguments to onFulfilled?
I'm following the spec here and I'm not sure whether it allows onFulfilled to be called with multiple arguments. For example:
...
How do I right align controls in a StatusStrip?
...Empty and setting the Spring property to true. This will cause it to fill all of the available space and push all the controls to the right of the ToolStripLabel over.
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How can I check for an empty/undefined/null string in JavaScript?
...n do
if (strValue) {
//do something
}
If you need to check specifically for an empty string over null, I would think checking against "" is your best bet, using the === operator (so that you know that it is, in fact, a string you're comparing against).
if (strValue === "") {
//...
}
...
How do I trim a file extension from a String in Java?
...have Apache Commons I/O already in your project, that's right. But if this all you need from it, you're adding (at least) 2.5 MB of dead weight to your project for something that can be easily done with a single line.
– foo
Sep 3 '18 at 9:40
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