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Origin is not allowed by Access-Control-Allow-Origin
...t to a remote PHP server in a Sencha Touch 2 application (wrapped in PhoneGap ).
18 Answers
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Handle ModelState Validation in ASP.NET Web API
...ionFilter : ActionFilterAttribute
{
public override void OnActionExecuting(HttpActionContext actionContext)
{
var modelState = actionContext.ModelState;
if (!modelState.IsValid)
actionContext.Response = actionContext.Request
...
What does the “assert” keyword do? [duplicate]
...tatement
assert cond;
is equivalent to
if (!cond)
throw new AssertionError();
If you launch your program without this option, the assert statement will have no effect.
For example, assert d >= 0 && d <= s.length();, as posted in your question, is equivalent to
if (!(d >=...
Remove all special characters with RegExp
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var desired = stringToReplace.replace(/[^\w\s]/gi, '')
As was mentioned in the comments it's easier to do this as a whitelist - replace the characters which aren't in your safelist.
The caret (^) character is the negation of the set [...], gi say global and case-insensitive (the latter is ...
Convert RGB to RGBA over white
...
Take the lowest color component, and convert that to an alpha value. Then scale the color components by subtracting the lowest, and dividing by the alpha value.
Example:
152 converts to an alpha value of (255 - 152) / 255 ~ 0.404
152 scales using (...
runOnUiThread vs Looper.getMainLooper().post in Android
Can anyone tell me if there's any difference between using runOnUiThread() versus Looper.getMainLooper().post() to execute a task on the UI thread in Android??
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Groovy Shell warning “Could not open/create prefs root node …”
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I can confirm it won't work if done under HKEY_CURRENT_USER. A better question, why on earth is a Java-based product tying itself to the Windows Registry?
– avgvstvs
Dec 23 '14 at 18:41
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No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
...licked the "Search" button in the "Installed JREs" menu. Eclipse searched one the drives I pointed it to and came out with all the installed JREs and JDKs.
– The Mitra Boy
Nov 26 '16 at 22:58
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What's the key difference between HTML 4 and HTML 5?
...e it from HTML4.
Consistency in Handling Malformed Documents
The primary one is consistent, defined error handling. As you know, HTML purposely supports 'tag soup', or the ability to write malformed code and have it corrected into a valid document. The problem is that the rules for doing this ar...
ArrayList vs List in C#
...just not relevant to this question. Neither of the "harmful" examples mentioned in the post are problematic in .NET, so if you want to talk about the "gotchas" of .NET generics, you'll want to use a different source.
– David Schwartz
Jul 16 at 3:31
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