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How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
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wait also (optionally) takes the PID of the process to wait for, and with $! you get the PID of the last command launched in background.
Modify the loop to store the PID of each spawned sub-process into an array, and then loop again waiting on each P...
How do I space out the child elements of a StackPanel?
Given a StackPanel:
11 Answers
11
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Exception thrown in NSOrderedSet generated accessors
...e of my own with different names. I got the same error in both cases.
Looks like a bug in Apple's autogenerated code.
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How can I use UIColorFromRGB in Swift?
...alue & 0x0000FF) / 255.0,
alpha: CGFloat(1.0)
)
}
view.backgroundColor = UIColorFromRGB(0x209624)
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Running a cron every 30 seconds
Ok so I have a cron that I need to run every 30 seconds.
19 Answers
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Converting bool to text in C++
...rns to "false"? I could just use an if statement, but it would be nice to know if there is a way to do that with the language or standard libraries. Plus, I'm a pedant. :)
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MongoDB logging all queries
...ofilingLevel()
0
> db.setProfilingLevel(2)
{ "was" : 0, "slowms" : 1, "ok" : 1 }
> db.getProfilingLevel()
2
> db.system.profile.find().pretty()
Source: http://docs.mongodb.org/manual/reference/method/db.setProfilingLevel/
db.setProfilingLevel(2) means "log all operations".
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Generate a Hash from string in Javascript
...fast, and 31 is a small prime. Win win there.
– corsiKa
Sep 30 '11 at 21:59
43
I did a few tests ...
How to use if statements in underscore.js templates?
I'm using the underscore.js templating function and have done a template like this:
8 Answers
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What's the difference between using CGFloat and float?
...avier" than float, right? At which points should I use CGFloat, and what makes really the difference?
5 Answers
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