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How good is Java's UUID.randomUUID?
... which is supposed to be "cryptographically strong". While the actual implementation is not specified and can vary between JVMs (meaning that any concrete statements made are valid only for one specific JVM), it does mandate that the output must pass a statistical random number generator test.
It's...
How to detect if a specific file exists in Vimscript?
... I've found this, which looks much better that the original:
:function! SomeCheck()
: if filereadable("SpecificFile")
: echo "SpecificFile exists"
: endif
:endfunction
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Bundle ID Suffix? What is it?
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If you don't have a company, leave your name, it doesn't matter as long as both bundle id in info.plist file and the one you've submitted in iTunes Connect match.
In Bundle ID Suffix you should write full name of bundle ID.
Example:
Bundle ID suffix = thebestapp ...
Is it possible in SASS to inherit from a class in another file?
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YES! its possible.
If you want all <button> elements to inherit the .btn class from Twitter Bootstrap's Default buttons
In your styles.scss file you would have to first import _bootstrap.scss:
@import "_bootstrap.scss";
Then below the import:
button { @extend .btn; }...
Rails Observer Alternatives for 4.0
...extracted gem.) While Observers were certainly abused and could easily become unwieldily at times, there were many use-cases outside of just cache-clearing where they were beneficial.
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Does delete on a pointer to a subclass call the base class destructor?
I have an class A which uses a heap memory allocation for one of its fields. Class A is instantiated and stored as a pointer field in another class ( class B .
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How to delete a record in Django models?
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There are a couple of ways:
To delete it directly:
SomeModel.objects.filter(id=id).delete()
To delete it from an instance:
instance = SomeModel.objects.get(id=id)
instance.delete()
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Batch file to copy directories recursively
...y' is not a good idea because they are notoriously famous for Insufficient memory error . Try using 'robocopy'
– Rahul
Sep 3 '14 at 22:18
6
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How to catch SQLServer timeout exceptions
I need to specifically catch SQL server timeout exceptions so that they can be handled differently. I know I could catch the SqlException and then check if the message string Contains "Timeout" but was wondering if there is a better way to do it?
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Get current directory name (without full path) in a Bash script
How would I get just the current working directory name in a bash script, or even better, just a terminal command.
20 Answe...