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Best practices/performance: mixing StringBuilder.append with String.concat
...t can fit both s1 and s2. Copies s1 and s2 contents to this new array. Actually requires less work then + operator.
StringBuilder.append()
Maintains an internal char[] array that grows when needed. No extra char[] is created if the internal one is sufficiently big.
stringBuilder.append(s1.concat(...
Adding a build configuration in Xcode
...roject as in the screenshot, YES, I selected Info tab THEN my project) but all those options are still greyed out?
– Can Poyrazoğlu
Sep 5 '16 at 7:09
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How to highlight a current menu item?
..., "/test/this", "/test/this/path" if you were on /test, it would highlight all of those options.
– Ben Lesh
May 29 '13 at 2:34
3
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Unix tail equivalent command in Windows Powershell
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Interesting. I would have thought that all arguments that exist also appear in help, yet man gc -par wait tells me there is no parameter. But I think this doesn't solve the problem that the OP has, since they asked for tail, not tail -f and an efficient implementa...
Installing CocoaPods: no response
Trying to install CocoaPods from the terminal:
6 Answers
6
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Check for current Node Version
I need to programmatically access the current node version running in a library I am writing. Can't seem to find this in the docs.
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How to center buttons in Twitter Bootstrap 3?
... Next Step!
</button>
</div>
</div>
All the class center-block does is to tell the element to have a margin of 0 auto, the auto being the left/right margins. However, unless the class text-center or css text-align:center; is set on the parent, the element does ...
Null check in an enhanced for loop
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You should better verify where you get that list from.
An empty list is all you need, because 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 wh...
Why do table names in SQL Server start with “dbo”?
At least on my local instance, when I create tables, they are all prefixed with "dbo.". Why is that?
3 Answers
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Why cast unused return values to void?
...nce using the full static cast notation just feels like overkill here. Finally, if you're reviewing a coding standard or writing one, then it's also a good idea to explicitly state that calls to overloaded operators (not using function call notation) should be exempt from this too:
class A {};
A o...