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sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]
... That's simpler than trying to work out which variant of sed you have installed or other gizmos I've seen suggested. I hope you keep the file under version control (or otherwise backed up) so that you can recover if there's a bug in your sed script. Of course, the .bak file gives you that protect...
Preloading images with jQuery
...(see link). It looks like '$('<img src="' + this + '" />') would actually create the element within a hidden DIV, because it is more "complicated". However, I don't think this is needed for most browsers.
– JoshNaro
Feb 11 '11 at 15:30
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How to do associative array/hashing in JavaScript
...numbers as index.
Create an object with
var dictionary = {};
JavaScript allows you to add properties to objects by using the following syntax:
Object.yourProperty = value;
An alternate syntax for the same is:
Object["yourProperty"] = value;
If you can, also create key-to-value object maps with...
Turn a string into a valid filename?
I have a string that I want to use as a filename, so I want to remove all characters that wouldn't be allowed in filenames, using Python.
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`new function()` with lower case “f” in JavaScript
...er case "f" to define new objects in JavaScript. It seems to work well in all major browsers and it also seems to be fairly effective at hiding private variables. Here's an example:
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Overload with different return type in Java?
... alone is not sufficient for the compiler to figure out which function to call:
public int foo() {...}
public float foo() {..}
...
foo(); // which one?
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Backbone View: Inherit and extend events from parent
...an use super.
class ParentView extends Backbone.View
events: ->
'foo' : 'doSomething'
class ChildView extends ParentView
events: ->
_.extend {}, super,
'bar' : 'doOtherThing'
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How do I recover/resynchronise after someone pushes a rebase or a reset to a published branch?
We have all heard that one should never rebase published work, that it’s dangerous, etc. However, I have not seen any recipes posted for how to deal with the situation in case a rebase is published.
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What Are the Differences Between PSR-0 and PSR-4?
...in src/Acme/Foo/Bar.php while in PSR-4 it will look for it in src/Bar.php, allowing for shorter directory structures. On the other hand some prefer to have the full directory structure to clearly see what is in which namespace, so you can also say that Acme\Foo\ is in src/Acme/Foo with PSR-4 which w...
What is the difference between self::$bar and static::$bar in PHP?
...keyword. In this case, your Foo class defines a protected static property called $bar. When you use self in the Foo class to refer to the property, you're referencing the same class.
Therefore if you tried to use self::$bar elsewhere in your Foo class but you had a Bar class with a different value ...