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Can I have multiple Xcode versions installed?
Is it possible to have more than one version of Xcode installed at the same time?
12 Answers
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Commands executed from vim are not recognizing bash command aliases
... answered Jan 10 '11 at 0:48
Josh LeeJosh Lee
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Ask for User Permission to Receive UILocalNotifications in iOS 8
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Since iOS 8 you need to ask user's permission to show notifications from your app, this applies for both remote/push and local notifications. In Swift you can do it like this,
Update for Swift 2.0
func application(application: UIA...
Android Center text on canvas
...et the coordinates for drawText , it sets the bottom of the text at this position. I would like the text to be drawn so that the text is centered also horizontally.
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Difference between Array and List in scala
...he former is generally used for lists which are only ever traversed (and whose size is not known upfront) whereas the latter should be used for lists which either have a known size (or maximum size) or for which fast random access is important.
Mutable Structures
ListBuffer provides a constant-ti...
Fast way of finding lines in one file that are not in another?
...s of 20000 line per-invocation.
For users on non-GNU systems, there is almost certainly a GNU coreutils package you can obtain, including on OSX as part of the Apple Xcode tools which provides GNU diff, awk, though only a POSIX/BSD split rather than a GNU version.
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What are the differences between various threading synchronization options in C#?
..., that can be used to activate and suspend threads.
Mutex, Semaphores are OS-level concepts. e.g with a named mutex you could synchronize across multiple (managed) exes (ensuring that only one instance of your application is running on the machine.)
Mutex:
Unlike monitors, however, a mutex ca...
Compare two dates with JavaScript
... edited Oct 15 '19 at 20:52
Josh
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answered Jan 29 '09 at 19:20
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How many parameters are too many? [closed]
...e level. Depending on what your method is doing, or what the class is supposed to represent, it's quite possible that 2 arguments is too many and is a symptom of too much coupling.
I would suggest that by asking the question in the first place, and qualifying your question as much as you did, that...
How do I write a bash script to restart a process if it dies?
...ps! Don't ever do this.
ps is very unportable. While you find it on almost every UNIX system; its arguments vary greatly if you want non-standard output. And standard output is ONLY for human consumption, not for scripted parsing!
Parsing ps leads to a LOT of false positives. Take the ps aux |...