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RVM: Uninstalling all gems of a gemset
... name.
If you want to empty the default gemset, you need to pass an empty string for the gemset name.
rvm gemset empty mygems ""
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Google Chrome redirecting localhost to https
... .test seems safest, though clunky due to namespace clashes with all those strings used in TDD/.test() methods etc.
– dwelle
Sep 22 '17 at 12:53
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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
...reventing redirects) you can hash some of the request parameters to make a string based on the content and then check that you haven't sent it already.
//create digest of the form submission:
$messageIdent = md5($_POST['name'] . $_POST['email'] . $_POST['phone'] . $_POST['comment']);
//and ch...
How do I get time of a Python program's execution?
...e program you use it with. s is the first argument to log, and should be a string. log is a function that prints out the timing info. atexit is a python module that lets you register functions to be called at the exit of the program.
– Nicojo
Dec 10 '16 at 21:0...
How to order events bound with jQuery
...changes (thanks Toskan) **
(function($) {
$.fn.bindFirst = function(/*String*/ eventType, /*[Object])*/ eventData, /*Function*/ handler) {
var indexOfDot = eventType.indexOf(".");
var eventNameSpace = indexOfDot > 0 ? eventType.substring(indexOfDot) : "";
eventType =...
Setting default values for columns in JPA
...96, nullable = false)
@org.hibernate.annotations.ColumnDefault("")
private String description;
Identifies the DEFAULT value to apply to the associated column via DDL.
Hibernate 4.3 docs (4.3 to show it's been here for quite some time)
Hibernate manual on Default value for database column
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C# catch a stack overflow exception
...tion.
const int spaceRequired = 18*1024;
unsafe static void Main(string[] args)
{
int var;
topOfStack = (int)&var;
n=0;
recurse();
}
unsafe static void recurse()
{
int remaining;
remaining = stackSize - (topOfStack - (in...
Disabling implicit animations in -[CALayer setNeedsDisplayInRect:]
...
There are actually constants for these 'special' strings not representing a property (e.g. kCAOnOrderOut for @"onOrderOut") well-documented here: developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/…
– Patrick Pijnappel
A...
Best Practice: Software Versioning [closed]
...lipse, version numbers are composed of four (4) segments: 3 integers and a string respectively named major.minor.service.qualifier. Each segment captures a different intent:
the major segment indicates breakage in the API
the minor segment indicates "externally visible" changes
the service segment ...
Negation in Python
...'s) is an accident waiting to happen -- two instances of a longish literal string that presumably should be identical. And please don't retort that it's just an example -- it's a BAD example for newbies.
– John Machin
May 24 '11 at 23:01
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