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What's the Best Way to Shuffle an NSMutableArray?
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You don't need the swapObjectAtIndex method. exchangeObjectAtIndex:withObjectAtIndex: already exists.
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What is the difference between attribute and property? [closed]
...eem to mean the same thing. But what term is more appropriate in what context?
11 Answers
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How to select where ID in Array Rails ActiveRecord without exception
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If it is just avoiding the exception you are worried about, the "find_all_by.." family of functions works without throwing exceptions.
Comment.find_all_by_id([2, 3, 5])
will work even if some of the ids don't exist. This works in the
user.comments...
What's the proper value for a checked attribute of an HTML checkbox?
We all know how to form a checkbox input in HTML:
8 Answers
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“The breakpoint will not currently be hit. The source code is different from the original version.”
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How do I launch the Android emulator from the command line?
...android.intent.action.MAIN -n <package>/<activity class>. For example: adb shell am start -a android.intent.action.MAIN -n org.sample.helloworld/org.sample.helloworld.HelloWorld. As a commenter suggested, you can also replace org.sample.helloworld.HelloWorld in the line above with just ....
Pushing to Git returning Error Code 403 fatal: HTTP request failed
... and want to push back out to the GitHub server. Using Cygwin on Windows 7 x64.
61 Answers
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How to set variables in HIVE scripts
...re env and system variables as well, so you can reference ${env:USER} for example.
To see all the available variables, from the command line, run
% hive -e 'set;'
or from the hive prompt, run
hive> set;
Update:
I've started to use hivevar variables as well, putting them into hql snippets I can ...
Save Screen (program) output to a file
... Log file will be created in the same directory in which you executed screen.
– lepe
Feb 9 '16 at 4:32
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