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Why define an anonymous function and pass it jQuery as the argument?
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The two blocks of code you have shown are dramatically different in when and why they execute. They are not exclusive of each other. They do not serve the same purpose.
JavaScript Modules
(function($) {
// Backbone code in here
})(jQuery);
This is a "JavaScript Module" pattern, implemented ...
Most efficient way to create a zero filled JavaScript array?
...ay(len).fill(0);
Not sure if it's fast, but I like it because it's short and self-describing.
It's still not in IE (check compatibility), but there's a polyfill available.
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Easiest way to flip a boolean value?
... it can be helpful to have a TOGGLE(a) macro. This prevents some mistakes and makes it all more readable on narrow screens.
– OJW
Oct 1 '10 at 12:17
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Remove duplicate lines without sorting [duplicate]
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The UNIX Bash Scripting blog suggests:
awk '!x[$0]++'
This command is telling awk which lines to print. The variable $0 holds the entire contents of a line and square brackets are array access. So, for each line of the file, the node of the array x is incremented and the line printed if ...
Is it possible to for SQL Output clause to return a column not being inserted?
I've made some modifications to my database and I need to migrate the old data to the new tables. For that, I need to fill a table (ReportOptions) taking the data from the original table (Practice), and fill a second intermediate table (PracticeReportOption).
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How to enter a multi-line command
Is it possible to split a PowerShell command line over multiple lines?
12 Answers
12
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MongoDB relationships: embed or reference?
...n a single document as you can. Because MongoDB documents have structure, and because you can efficiently query within that structure (this means that you can take the part of the document that you need, so document size shouldn't worry you much) there is no immediate need to normalize data like yo...
Example images for code and mark-up Q&As [closed]
... in this answer. It includes a Java based interface that defines the URLs and makes them easy to access.
Details: 32x32 pixel PNG (4 colors x 5 shapes) with partial transparency (along the edges).
Categories: png icons
Sprite...
How to export/import PuTTy sessions list?
...Path("Desktop") + "\putty.reg")
Import
Double-click on the *.reg file and accept the import.
Alternative ways:
cmd.exe, require elevated command prompt:
regedit /i putty-sessions.reg
regedit /i putty.reg
PowerShell:
reg import putty-sessions.reg
reg import putty.reg
Note: do not repla...
Make sure only a single instance of a program is running
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The following code should do the job, it is cross-platform and runs on Python 2.4-3.2. I tested it on Windows, OS X and Linux.
from tendo import singleton
me = singleton.SingleInstance() # will sys.exit(-1) if other instance is running
The latest code version is available singleto...