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How to query nested objects?
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431
db.messages.find( { headers : { From: "reservations@marriott.com" } } )
This queries for docume...
How to delete an item in a list if it exists?
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1) Almost-English style:
Test for presence using the in operator, then apply the remove method.
if thing in some_list: some_list.remove(thing)
The removemethod will remove only the first occurrence of thing, in order to r...
Difference between double and single curly brace in angular JS?
...nt:
<div ng-init="distanceWalked = {mon:2, tue:2.5, wed:0.8, thu:3, fri:1.5,
sat:2, sun:3}">
With some directives like ngClass or ngStyle that accept map:
<span ng-style="{'color' : 'red'}">{{viruses.length}} viruses found!</span>
<div ng-class="{'green' : vegetable == 'lettu...
Given a class, see if instance has method (Ruby)
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12 Answers
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PHP String to Float
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edited Oct 21 '12 at 1:11
answered Jan 26 '09 at 21:35
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Is there a perfect algorithm for chess? [closed]
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105
"I argued that there could not exist a deterministic Turing machine that always won or stalema...
Get list of data-* attributes using javascript / jQuery
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Actually, if you're working with jQuery, as of version 1.4.3 1.4.4 (because of the bug as mentioned in the comments below), data-* attributes are supported through .data():
As of jQuery 1.4.3 HTML 5 data-
attributes will be automatically
pulled in to jQuery's data object...
Set Django IntegerField by choices=… name
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10 Answers
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How can query string parameters be forwarded through a proxy_pass with nginx?
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170
From the proxy_pass documentation:
A special case is using variables in the proxy_pass sta...
Chrome developer tools: View Console and Sources views in separate views/vertically tiled?
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179
Vertical split
You can undock the developer tools (by clicking on the icon in the bottom-left...