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How do you print out a stack trace to the console/log in Cocoa?
...the call trace during certain points, like failed assertions, or uncaught exceptions.
6 Answers
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How to get started on TDD with Ruby on Rails? [closed]
...art with a guide to testing rails applications.
Also Railscast has some excellent screencasts about how to use different testing tools.
What do I need to test?
I will start with models, since they are easy to test. The simple rule is that you need to cover every if statement in your test.
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Is char signed or unsigned by default?
... @Alok: the same is not true for some other datatypes, for example int means signed int always, right? Apart from char, what other datatypes have the same confusion in C?
– Lazer
Mar 28 '10 at 11:15
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Using IntelliJ to amend git commit message
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View => Tool Windows => Version Control. (Windows (Alt + 9) / OS X (Cmd + 9))
IntelliJ 2017.1 and higher => Go to Log and right click + reword or press F2.
While you are on the same branch, ( your checked out branch is the same )
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Are HTML comments inside script tags a best practice? [closed]
...en if they can't interpret it.
Matt Kruse gives a slightly more detailed explanation on his JavaScript Toolbox site for why specifically not to use HTML comments within script blocks.
Quoted from that page:
Don't Use HTML Comments In Script Blocks
In the ancient days of javascript (1995), som...
“Debug certificate expired” error in Eclipse Android plugins
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Delete your debug certificate under ~/.android/debug.keystore on Linux and Mac OS X; the directory is something like %USERPROFILE%/.androidon Windows.
The Eclipse plugin should then generate a new certificate when you next try to build a debug package. You may need to clean and then build to ...
git visual diff between branches
... GUI software, you can try something like SourceTree which supports Mac OS X and Windows.
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How to make a smaller RatingBar?
...roid:attr/ratingBarStyleSmall and set global rating theme but not use the exactly theme name, thanks a lot;)
– Tsung Goh
Apr 1 '14 at 10:44
7
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How do I 'svn add' all unversioned files to SVN?
...an with git)? Also, would it be possible to update this answer so that it explains each bit?
– MrDuk
Feb 21 '14 at 4:42
2
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How to shift a column in Pandas DataFrame
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In [18]: a
Out[18]:
x1 x2
0 0 5
1 1 6
2 2 7
3 3 8
4 4 9
In [19]: a.x2 = a.x2.shift(1)
In [20]: a
Out[20]:
x1 x2
0 0 NaN
1 1 5
2 2 6
3 3 7
4 4 8
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