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How do I set up a basic Ruby project?
...per.rb
create .rspec
code goes in lib
specs go in spec
test data or documents go in spec/fixtures/
Require all your ruby files in lib/my_lib.rb. You can define your exceptions in that file, too, or in their own files -- according to your own preference.
C source files go in ext/my_lib
shell s...
How can I determine if a JavaScript variable is defined in a page? [duplicate]
...Suppose I want to check if a variable named "x" is defined in a page, if I do if(x != null) , it gives me an error.
7 Answ...
Checking if a list is empty with LINQ
...if a list is empty? Even if the list is of type IEnumerable<T> and doesn't have a Count property.
16 Answers
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What are the best practices for using Assembly Attributes?
...king one solution wide assembly info file. What are the best practices for doing this? Which attributes should be in solution wide file and which are project/assembly specific?
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Use different Python version with virtualenv
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I'm missing something here - doesn't this require that 2.6 already be installed on the system? I thought the point of virtualenv was that I could have a version of python other than the main one (in my case, 2.4 on CentOS). I was assuming I could install...
How to cherry-pick multiple commits
... (e.g. cherry-pick A..B and cherry-pick --stdin), so did git revert; these do not support the nicer sequencing control rebase [-i] has, though.
To cherry-pick all the commits from commit A to commit B (where A is older than B), run:
git cherry-pick A^..B
If you want to ignore A itself, run:
gi...
Why does Android use Java? [closed]
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Some points:
Java is a known language, developers know it and don't have to learn it
it's harder to shoot yourself with Java than with C/C++ code since it has no pointer arithmetic
it runs in a VM, so no need to recompile it for every phone out there and easy to secure
large number of d...
How to determine if object is in array [duplicate]
...swer was missing the point. This is the right one. (as a side note you can do exactly what the OP did extending Array.prototype)
– Pablo Fernandez
Jan 3 '11 at 18:30
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How to debug Google Apps Script (aka where does Logger.log log to?)
... can tell, you can't debug a live event from Google Sheets, so you have to do it from the debugger, which is pointless since the event argument passed to my onEdit() function will always be undefined if I run it from the Script Editor .
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How to stop a PowerShell script on the first error?
...y exe invocation and determine whether that failed or not. Unfortunately I don't think PowerShell can help here because on Windows, EXEs aren't terribly consistent on what constitutes a "success" or "failure" exit code. Most follow the UNIX standard of 0 indicating success but not all do. Check out...