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How to check if string input is a number? [duplicate]
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Simply try converting it to an int and then bailing out if it doesn't work.
try:
val = int(userInput)
except ValueError:
print("That's not an int!")
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Add to Array jQuery
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+1 for explaining both JavaScript and jQuery's method and their fundamental difference. I came here for $.add() and got just a little bit more.
– Sam
Feb 1 '14 at 0:21
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How are cookies passed in the HTTP protocol?
...not work with requests other than GET/POST, but I suspect that the browser and server implementations may not implement it in those cases.
– deinst
Jul 12 '12 at 15:02
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Java equivalent of unsigned long long?
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Nope, there is not. You'll have to use the primitive long data type and deal with signedness issues, or use a class such as BigInteger.
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Android: open activity without save into the stack
I have 2 activities: Main and List.
10 Answers
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How to make a cross-module variable?
The __debug__ variable is handy in part because it affects every module. If I want to create another variable that works the same way, how would I do it?
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“Add unimplemented methods” feature in the Android Studio
...uired methods of the particular class. I'm looking for this feature in the Android Studio IDE, but without success so far. Is there something similar? For me it is one of the key-features and can't live without.
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Replacing some characters in a string with another character
I have a string like AxxBCyyyDEFzzLMN and I want to replace all the occurrences of x , y , and z with _ .
5 Answers
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Why can't overriding methods throw exceptions broader than the overridden method?
I was going through SCJP 6 book by Kathe sierra and came across this explanations of throwing exceptions in overridden method. I quite didn't get it. Can any one explain it to me ?
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Table Header Views in StoryBoards
...e table view, I had to implement viewForHeaderInSection:(NSInteger)section and return this view.
– ozz
Jan 12 '12 at 7:33
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