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How to split a delimited string in Ruby and convert it to an array?
...s array.
'' or ' ' or ',' -> is an value, which is needed to be removed from given string.
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Loop code for each file in a directory [duplicate]
... '..' nodes. If you don't want to go through them, add a check/delete them from the scandir() result
– Michael Nguyen
Jun 25 '15 at 14:16
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What is the advantage of GCC's __builtin_expect in if else statements?
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Imagine the assembly code that would be generated from:
if (__builtin_expect(x, 0)) {
foo();
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} else {
bar();
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}
I guess it should be something like:
cmp $x, 0
jne _foo
_bar:
call bar
...
jmp after_if
_foo:
call foo
...
after_i...
Does the Java &= operator apply & or &&?
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From the Java Language Specification - 15.26.2 Compound Assignment Operators.
A compound assignment expression of the form E1 op= E2 is equivalent to E1 = (T)((E1) op (E2)), where T is the type of E1, except that E1 is ev...
Simulate airplane mode in iPhone Simulator
...like an iPhone. So you need a way, at the system layer, to restrict an app from talking to the network. Unix doesn't provide that; it would almost certainly need kernel support to get it. You could do it more easily for NSURLConnection and its kin, but it could be more confusing if some calls work a...
Accessing an array out of bounds gives no error, why?
...ecking, there are a couple aspects to the answer:
An array is a leftover from C. C arrays are about as primitive as you can get. Just a sequence of elements with contiguous addresses. There is no bounds checking because it is simply exposing raw memory. Implementing a robust bounds-checking mechan...
event.returnValue is deprecated. Please use the standard event.preventDefault() instead
...offer backward support for old-nasty-most-hated Internet Explorer starting from IE8 down to IE6 :/
One day that backward compatibility support will be dropped (for IE8/7/6 since IE9 deals with it), and you will no more see this warning (and other IEish bugs)..
It's a question of time (now IE8 has...
Is it possible to perform a 'grep search' in all the branches of a Git project?
...known revision or path not in the working tree. Use '--' to separate paths from revisions
– jutky
Apr 6 '16 at 11:58
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Add string in a certain position in Python
... Adding to this, you could use negative indices to get a position from the right, e.g. s[:-4]
– Reuben L.
Aug 26 '14 at 11:52
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How do I save a UIImage to a file?
If I have a UIImage from an imagePicker, how can I save it to a subfolder in the documents directory?
9 Answers
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