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powershell 2.0 try catch how to access the exception
This is the try catch in PowerShell 2.0
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Check if a number has a decimal place/is a whole number
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PHP substring extraction. Get the string before the first '/' or the whole string
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Use explode()
$arr = explode("/", $string, 2);
$first = $arr[0];
In this case, I'm using the limit parameter to explode so that php won't scan the string any more than what's needed.
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What is the Scala annotation to ensure a tail recursive function is optimized?
...ps and tricks):
C:\Prog\Scala\tests>scala
Welcome to Scala version 2.8.0.RC5 (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_18).
Type in expressions to have them evaluated.
Type :help for more information.
scala> import scala.annotation.tailrec
import scala.annotation.tailrec
scala> clas...
Generate a random number in the range 1 - 10
...way to tell pg's random() function to get me only numbers between 1 and 10?
7 Answers
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UIView Infinite 360 degree rotation animation?
I'm trying to rotate a UIImageView 360 degrees, and have looked at several tutorials online. I could get none of them working, without the UIView either stopping, or jumping to a new position.
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Best way to find if an item is in a JavaScript array? [duplicate]
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As of ECMAScript 2016 you can use includes()
arr.includes(obj);
If you want to support IE or other older browsers:
function include(arr,obj) {
return (arr.indexOf(obj) != -1);
}
EDIT:
This will not work on IE6, 7 or 8 though. The be...
How do I fix blurry text in my HTML5 canvas?
I am a total n00b with HTML5 and am working with the canvas to render shapes, colors, and text. In my app, I have a view adapter that creates a canvas dynamically, and fills it with content. This works really nicely, except that my text is rendered very fuzzy/blurry/stretched. I have seen a ...
Handling Touch Event in UILabel and hooking it up to an IBAction
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Scott PersingerScott Persinger
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Is there a literal notation for an array of symbols?
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Yes! This is possible now in Ruby 2.0.0. One way to write it is:
%i{foo bar} # => [:foo, :bar]
You can also use other delimiters, so you could also write %i(foo bar) or %i!foo bar! for example.
This feature was originally announced here:
http://www.ru...