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Retain cycle on `self` with blocks
I'm afraid this question is pretty basic, but I think it's relevant to a lot of Objective-C programmers who are getting into blocks.
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What does send() do in Ruby?
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send sends a message to an object instance and its ancestors in class hierarchy until some method reacts (because its name matches the first argument).
Practically speaking, those lines are equivalent:
1.send '+', 2
1.+(2)
1 + 2
Note that sen...
How does a debugger work?
...ering how does a debugger work? Particulary the one that can be 'attached' to already running executable. I understand that compiler translates code to machine language, but then how does debugger 'know' what it is being attached to?
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Stretch and scale CSS background
Is there a way to get a background in CSS to stretch or scale to fill its container?
16 Answers
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Using the rJava package on Win7 64 bit with R
I'm trying to install rJava on a computer with Win 7 64 bit. When I run
12 Answers
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How do I create an empty array/matrix in NumPy?
I can't figure out how to use an array or matrix in the way that I would normally use a list. I want to create an empty array (or matrix) and then add one column (or row) to it at a time.
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Batch script: how to check for admin rights
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analyzing data returned from FOR loops
searching strings for "Administrator"
using AT (Windows 8 incompatible) or WHOAMI (Windows XP incompatible).
Each of which have their own security, usability, and portability issues.
Testing
I've independently confirmed that this works on:
Window...
How to implement “confirmation” dialog in Jquery UI dialog?
I am try to use JQuery UI Dialog to replace the ugly javascript:alert() box.
In my scenario, I have a list of items, and next to each individual of them, I would have a "delete" button for each of them.
the psuedo html setup will be something follows:
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NoClassDefFoundError - Eclipse and Android
I'm having a problem trying to run an Android app which, up until adding a second external library to its build path, was working fine. Since having added the scoreninja jar, I now get a NoClassDefFoundError when I try to run the app.
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OpenID vs. OAuth [duplicate]
...is really the difference between OpenID and oAuth? They look just the same to me.
5 Answers
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