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How to compare two NSDates: Which is more recent?
...hieve a dropBox sync and need to compare the dates of two files. One is on my dropBox account and one is on my iPhone.
13 ...
Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
...chema into ROM (it happens), then an * is perfectly acceptable.
However, my general guideline is that you should only select the columns you need, which means that sometimes it will look like you are asking for all of them, but DBAs and schema evolution mean that some new columns might appear that...
c++11 Return value optimization or move? [duplicate]
...; the latter is an optimisation that takes advantage of this rule. Indeed, my entire point was that even if return value optimisation isn't used, you still get to use move semantics, which is part of the same set of language rules.
– Kerrek SB
Apr 21 at 11:33
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Exit codes in Python
...-the-wool Gentoo advocate, yet I never knew that... until this fated day. (My shame ends now.) Relatedly, note that grep breaks this trend by exiting with 1 when no lines match and 2 on actual errors. Thanks alot, Stallman.
– Cecil Curry
Jan 3 '16 at 8:57
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How to prevent rm from reporting that a file was not found?
...user's request and you're right he was asking for files only. So corrected my answer
– vimdude
Jun 12 '13 at 20:12
Wha...
Controller not a function, got undefined, while defining controllers globally
...ective on your angular root element (eg:- html) as well. Example:- ng-app="myApp"
If everything is fine and you are still getting the issue do remember to make sure you have the right file included in the scripts.
You have not defined the same module twice in different places which results in any en...
Determining 32 vs 64 bit in C++
... found the most effective way to do this is the following.
First I pick my own representation. I prefer ENVIRONMENT64 / ENVIRONMENT32. Then I find out what all of the major compilers use for determining if it's a 64 bit environment or not and use that to set my variables.
// Check windows
#i...
iOS - Dismiss keyboard when touching outside of UITextField
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Fantastic, it works on UITableView!! it save my day! As a side note I will use [UITextField resignFirstResponder] instead of [UIView endEditing:] because I have more UITextField and endEditing gives a wrong scrolling position even if the new UITextField is visible.
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Error: The processing instruction target matching “[xX][mM][lL]” is not allowed
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You have my sympathies as intermittent problems are notoriously difficult to debug. However, I cannot help more from here other than to tell you that this error is definitely deterministic: It will always be an error for an XML decla...
Traverse a list in reverse order in Python
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You can do:
for item in my_list[::-1]:
print item
(Or whatever you want to do in the for loop.)
The [::-1] slice reverses the list in the for loop (but won't actually modify your list "permanently").
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