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Null check in an enhanced for loop
...ecause an empty list won't fail.
If you get this list from somewhere else and don't know if it is ok or not you could create a utility method and use it like this:
for( Object o : safe( list ) ) {
// do whatever
}
And of course safe would be:
public static List safe( List other ) {
ret...
How much space can your BitBucket account have?
I created a BitBucket account today, and I love the fact that they allow you to have unlimited public/private repositories. However, I didn't find the size limit of your account? Does anyone know where to find it? Github offered 300mb if I remember correctly.
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How default .equals and .hashCode will work for my classes?
...t's (generally speaking; if you inherit from a class that redefined equals and/or hashCode, then you'll use that implementation instead).
From the documentation:
equals
The equals method for class Object implements the most discriminating possible equivalence relation on objects; that is, f...
Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
...se, so I'm set for now. Thanks for your insight!
– Brandon Martinez
Apr 30 '13 at 17:39
4
@NominS...
Does hosts file exist on the iPhone? How to change it? [closed]
... answered Jan 8 '10 at 15:41
Andrew BullockAndrew Bullock
33.1k3232 gold badges142142 silver badges213213 bronze badges
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Xcode Command /usr/bin/codesign failed with exit code 1 : errSecInternalComponent
... then in the File menu select Lock All Keychains.
Then go back to Xcode and clean and rebuild. It will prompt you for your password again to unlock the keychain.
After this, assuming you have no other compile issues, it will succeed!
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When to use Cast() and Oftype() in Linq
... two methods of casting types to IEnumerable from an Arraylist in Linq and wondering in which cases to use them?
7 Answ...
What is the worst real-world macros/pre-processor abuse you've ever come across?
...: A convex mirror mounted above his monitor "For knowing who is watching", and an occasional sudden exit from his chair to do a quick ten pushups. He explained this last one as "Compiler found error in code. This is punishment".
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Regular expression to match standard 10 digit phone number
I want to write a regular expression for a standard US type phone number that supports the following formats:
20 Answers
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Using Python 3 in virtualenv
...irtualenv --no-site-packages python3.4' worked. --distribute is deprecated and -p doesn't seem necessary since virtualenv uses python3.
– alkopop79
Nov 10 '17 at 13:04
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