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Javascript Shorthand for getElementById
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It makes no difference how many libraries use $ if you never load them.
– user113716
Jun 19 '11 at 17:04
7
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How to set default values in Rails?
...angerous word in Ruby. There's usually more than one way to do anything. If you know you'll always want that default value for that column on that table, setting them in a DB migration file is the easiest way:
class SetDefault < ActiveRecord::Migration
def self.up
change_column :people, ...
JavaScript: Passing parameters to a callback function
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If you want something slightly more general, you can use the arguments variable like so:
function tryMe (param1, param2) {
alert(param1 + " and " + param2);
}
function callbackTester (callback) {
callback (arguments...
In git how is fetch different than pull and how is merge different than rebase?
...ch and additionally merge the changes into your local branch.
What's the difference? pull updates you local branch with changes from the pulled branch. A fetch does not advance your local branch.
merge vs rebase
Given the following history:
C---D---E local
/
A---B---F---G...
Truncate Two decimal places without rounding
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That makes me wonder whether it should be possible to specify rounding direction in floating point literals. Hmmmm.
– Steve314
Jun 29 '10 at 18:53
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Make the first letter uppercase inside a django template
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It works for single-word strings. But, if you have a multi-words string, it's going to upper the first letter of each single word, instead of the first letter of the string.
– Valdir Stumm Junior
Jan 11 '13 at 17:17
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How to safely call an async method in C# without await
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If you want to get the exception "asynchronously", you could do:
MyAsyncMethod().
ContinueWith(t => Console.WriteLine(t.Exception),
TaskContinuationOptions.OnlyOnFaulted);
This will allow you to deal with an...
How to specify the private SSH-key to use when executing shell command on Git?
A rather unusual situation perhaps, but I want to specify a private SSH-key to use when executing a shell (git) command from the local computer.
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What is the gain from declaring a method as static
...c, you can't access non-static members; hence, your scope is narrower. So, if you don't need and will never need (even in subclasses) non-static members to fulfill your contract, why give access to these fields to your method? Declaring the method static in this case will let the compiler check that...
How to render and append sub-views in Backbone.js
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I have generally seen/used a couple of different solutions:
Solution 1
var OuterView = Backbone.View.extend({
initialize: function() {
this.inner = new InnerView();
},
render: function() {
this.$el.html(template); // or this.$el.empty...