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Javascript Array Concat not working. Why?
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262
The concat method doesn't change the original array, you need to reassign it.
if ( ref instan...
How to reference style attributes from a drawable?
I want to have 2 selectable themes for my application. In order to do that, I defined some attributes, like this:
5 Answers...
Foreign keys in mongo?
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27
You may be interested in using a ORM like Mongoid or MongoMapper.
http://mongoid.org/docs/rela...
Matplotlib Legends not working
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You should add commas:
plot1, = plt.plot(a,b)
plot2, = plt.plot(a,c)
The reason you need the commas is because plt.plot() returns a tuple of line objects, no matter how many are actually created from the command. Without the comma, "plot1" and "plot2" are tuples instead of...
What is the 'cls' variable used for in Python classes?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jan 25 '11 at 15:27
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Mongoose's find method with $or condition does not work properly
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215
I solved it through googling:
var ObjectId = require('mongoose').Types.ObjectId;
var objId = ...
How to automatically navigate to the current class in Intellij Idea Project Tool Window?
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216
Navigate (View in older versions)| Select In... (Alt+F1), Project View (Enter).
It's also pos...
What does glLoadIdentity() do in OpenGL?
...e" by multiplying it with the MODELVIEW, and then translates it from 3D to 2D by multiplying it with the PROJECT matrix, and that gives it the 2D points on screen, along with the depth (from the screen 'camera'), which it uses to draw pixels. But when one of these matrices are the identity matrix, t...
How do I increase the number of displayed lines of a Java stack trace dump?
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122
You don't need to; that information is present elsewhere in the stack trace. From the docs of p...
How to search DOM elements using XPath or CSS selectors in Chrome Developer Tools?
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265
You can use $x in the Chrome javascript console. No extensions needed.
ex: $x("//img")
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