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How to remove a lua table entry by its key?
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1 Answer
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Check if a method exists
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189
if ([obj respondsToSelector:@selector(methodName:withEtc:)]) {
[obj methodName:123 withEtc:...
Inconsistent accessibility: property type is less accessible
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213
make your class public access modifier,
just add public keyword infront of your class name
nam...
How to generate controller inside namespace in rails
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Try rails g controller admin/users if you want a users controller inside of the admin namespace...
Raise warning in Python without interrupting program
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You shouldn't raise the warning, you should be using warnings module. By raising it you're gen...
change html text from link with jquery
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165
You have to use the jquery's text() function. What it does is:
Get the combined text contents...
In where shall I use isset() and !empty()
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17 Answers
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Multiline comment in PowerShell
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214
In PowerShell v2 and newer, use the following syntax for the multiline comments:
<# a
b
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What is pseudopolynomial time? How does it differ from polynomial time?
...hms that run in pseudopolynomial time have runtimes like O(nW) (for the 0/1 Knapsack Problem ) or O(√n) (for trial division ); why doesn't that count as polynomial time?
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