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How can I do division with variables in a Linux shell?
When I run commands in my shell as below, it returns an expr: non-integer argument error. Can someone please explain this to me?
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Install autoreconf on OS X v10.7 (Lion)?
I'm attempting to re-install Ruby 1.9.3 with a patch that will allow me to use ruby-debug .
6 Answers
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How can I remove an entry in global configuration with git config?
I ran a global configuration command in git to exclude certain files using a .gitignore_global file:
7 Answers
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What are the Dangers of Method Swizzling in Objective-C?
I have heard people state that method swizzling is a dangerous practice. Even the name swizzling suggests that it is a bit of a cheat.
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Android studio: new project vs new module
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From the documentation (Android Studio is based on Intellij IDEA) :
Whatever you do in IntelliJ IDEA, you do that in the context of a
project. A project is an organizational unit that represents a
complete software solution.
Your finished product may be decompose...
How to get the home directory in Python?
...f the home directory of the current logged-on user. Currently, I've been using the following on Linux:
2 Answers
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Why would you use an ivar?
...uite easily via the accessors.
Performance
Yes, this can make a difference in some cases. Some programs have constraints where they can not use any objc messaging in certain parts of the program (think realtime). In other cases, you may want to access it directly for speed. In other cases, it's beca...
How to import and use different packages of the same name in Go language?
For example, I want to use both text/template and html/template in one source file.
But the code below throw errors.
2 Ans...
count number of lines in terminal output
couldn't find this on SO. I ran the following command in the terminal:
3 Answers
3
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Modulus % in Django template
I'm looking for a way to use something like the modulus operator in django. What I am trying to do is to add a classname to every fourth element in a loop.
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