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How do you UrlEncode without using System.Web?
...ne Breaks
All of them listed here (other than HttpUtility.HtmlEncode) will convert "\n\r" into %0a%0d or %0A%0D
Please feel free to edit this and add new characters to my test string, or leave them in the comments and I'll edit it.
...
IE9 border-radius and background gradient bleeding
...nal elements.
I grabbed a random 20x20 gradient PNG via a web search, and converted it into a data URI using an online tool. The resulting data URI is smaller than the CSS code for all that SVG mess, much less the SVG itself! (You could apply this conditionally to IE9 only using conditional style...
PHP: How to use array_filter() to filter array keys?
...
PHP 5.6 introduced a third parameter to array_filter(), flag, that you can set to ARRAY_FILTER_USE_KEY to filter by key instead of value:
$my_array = ['foo' => 1, 'hello' => 'world'];
$allowed = ['foo', 'bar'];
$filtered = ar...
How do I get the MIN() of two fields in Postgres?
...alue from a list of any number of expressions. The expressions must all be convertible to a common data type, which will be the type of the result (see Section 10.5 for details). NULL values in the list are ignored. The result will be NULL only if all the expressions evaluate to NULL.
Note that...
NSLog the method name with Objective-C in iPhone
... Method calls like [self doSomething:arg1 somethingElse:arg2] get converted into the C function call objc_msgSend(self, "doSomething:somethingElse:, arg1, arg2);. The second parameter of objc_msgSend() takes a char*. Remember that because the Objective-C runtime is dynamic, it's actually us...
Validating IPv4 addresses with regexp
...t also leads to difficulties with verification/security as 023 needs to be converted to 23 to avoid duplicates, etc. Thanks for trying to make things better !
– Danail Gabenski
Dec 27 '19 at 1:03
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Test if a property is available on a dynamic variable
...st = new Test();
var sw = new Stopwatch();
sw.Start();
for (int i = 0; i < 100000; i++)
{
TestWithException(test, FlipCoin(random));
}
sw.Stop();
Console.WriteLine("Testing with exception: " + sw.ElapsedTicks.ToString() + " ticks");
sw.Restart();
...
How to check for an undefined or null variable in JavaScript?
... property doesn't yield an error and simply returns undefined, which, when converted to a boolean, evaluates to false. So, if you don't care about
0 and false, using if(obj.undefProp) is ok. There's a common idiom based on this fact:
value = obj.prop || defaultValue
which means "if obj has the p...
Java: Detect duplicates in ArrayList?
...
Simplest: dump the whole collection into a Set (using the Set(Collection) constructor or Set.addAll), then see if the Set has the same size as the ArrayList.
List<Integer> list = ...;
Set<Integer> set = new HashSet<Integer>(list);
if(set.siz...
Unix tail equivalent command in Windows Powershell
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Interesting. I would have thought that all arguments that exist also appear in help, yet man gc -par wait tells me there is no parameter. But I think this doesn't solve the problem that the OP has, since they asked for tail, ...