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PCH File in Xcode 6
In my previous projects, I can find the .pch file under Supporting Files.
6 Answers
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Create a shortcut on Desktop
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With additional options such as hotkey, description etc.
At first, Project > Add Reference > COM > Windows Script Host Object Model.
using IWshRuntimeLibrary;
private void CreateShortcut()
{
object shDesktop = (object)"De...
Redefining NULL
...L pointer will remain undetected and at the same time cause dangerous behaviour.
7 Answers
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How to read a large file - line by line?
...with statement handles opening and closing the file, including if an exception is raised in the inner block. The for line in f treats the file object f as an iterable, which automatically uses buffered I/O and memory management so you don't have to worry about large files.
There should be one --...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
...ens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking.
How efficient is it to lock a mutex? I.e. how much assembler instructions are there likely and how much time do they take (in the case that the mutex...
lsof survival guide [closed]
...and-line utility for unix systems. It lists open files, displaying information about them. And since most everything is a file on unix systems, lsof can give sysadmins a ton of useful diagnostic data.
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Where can I download Spring Framework jars without using Maven?
SpringSource.org changed their site to http://spring.io
1 Answer
1
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How to add images in select list?
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In Firefox you can just add background image to option:
<select>
<option style="background-image:url(male.png);">male</option>
<option style="background-image:url(female.png);">female</option>
<option style="background-image:url(others....
How to redirect both stdout and stderr to a file [duplicate]
I am running a bash script that creates a log file for the execution of the command
5 Answers
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Favourite performance tuning tricks [closed]
...ndy-dandy list of things I always give to someone asking me about optimisation.
We mainly use Sybase, but most of the advice will apply across the board.
SQL Server, for example, comes with a host of performance monitoring / tuning bits, but if you don't have anything like that (and maybe even if...