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What regular expression will match valid international phone numbers?
...eed to determine whether a phone number is valid before attempting to dial it. The phone call can go anywhere in the world.
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Best way to make Java's modulus behave like it should with negative numbers?
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It behaves as it should a % b = a - a / b * b; i.e. it's the remainder.
You can do (a % b + b) % b
This expression works as the result of (a % b) is necessarily lower than b, no matter if a is positive or negative. Adding...
Does opacity:0 have exactly the same effect as visibility:hidden
If so, does it effectively deprecate the visibility property?
9 Answers
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Best way to include CSS? Why use @import?
... speed standpoint, @import from a CSS file should almost never be used, as it can prevent stylesheets from being downloaded concurrently. For instance, if stylesheet A contains the text:
@import url("stylesheetB.css");
then the download of the second stylesheet may not start until the first style...
Do you have to put Task.Run in a method to make it async?
I'm trying to understand async await in the simplest form. I want to create a very simple method that adds two numbers for the sake of this example, granted, it's no processing time at all, it's just a matter of formulating an example here.
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When should you branch?
When working with a SCM system, when should you branch?
12 Answers
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Which version of MVC am I using?
I can't find it for some reason, feeling a little dumb. How do I know? I'm using .net 4 with VS2010.
9 Answers
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Is there a cross-browser onload event when clicking the back button?
...t fire when the page loads as a result of a back button operation — it only fires when the page is first loaded.
15 A...
jQuery click events firing multiple times
I'm attempting to write a video poker game in Javascript as a way of getting the basics of it down, and I've run into a problem where the jQuery click event handlers are firing multiple times.
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How to analyze a java thread dump?
...ead id and NID is: Native thread ID. This ID is highly platform dependent. It's the NID in jstack thread dumps. On Windows, it's simply the OS-level thread ID within a process. On Linux and Solaris, it's the PID of the thread (which in turn is a light-weight process). On Mac OS X, it is said to b...