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How to pass macro definition from “make” command line arguments (-D) to C source code?
...e different variables internally. The GNU Coding Standards require CFLAGS etc. be left for the user, and makefiles choose another variable, like "local_CFLAGS = $(CFLAGS) -Wall".
– MadScientist
Jan 30 '12 at 5:36
...
Force R to stop plotting abbreviated axis labels - e.g. 1e+00 in ggplot2
... original question to comprise fractions as well, i.e. 1, 0.1, 0.01, 0.001 etc. and avoiding trailing zeros
p + scale_x_continuous(labels = function(x) sprintf("%g", x))
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How to change theme for AlertDialog
...tyle">
<!-- Define background colors of title, message, buttons, etc. here -->
<item name="android:fullDark">...</item>
<item name="android:topDark">...</item>
<item name="android:centerDark">...</item>
<item name="android:bottomDar...
If threads share the same PID, how can they be identified?
...ad ID's are usually managed by the thread library itself (such as pthread, etc...). If the 4 threads are started they should have the same PID. The kernel itself will handle thread scheduling and such but the library is the one that is going to be managing the threads (whether they can run or not de...
HTTP vs HTTPS performance
...namic vs static content
Client distance to server
Typical session length
Etc (my personal favorite)
Caching behavior of clients
In my experience, servers that are heavy on dynamic content tend to be impacted less by HTTPS because the time spent encrypting (SSL-overhead) is insignificant compared...
Binary Data in JSON String. Something better than Base64
...ur JSON meta-data, and then separately send as raw binary (image(s), wavs, etc) indexed by the Content-Disposition name.
Here's a nice tutorial on how to do this in obj-c, and here is a blog article that explains how to partition the string data with the form boundary, and separate it from the bina...
Linux/Unix command to determine if process is running?
...t because it makes parsing easier.
This will work on Linux, BSD, Solaris, etc.
Another strategy would be to test on the exit value from the above ps command. It should be zero if the process is running and non-zero if it isn't. The POSIX spec says that ps must exit >0 if an error has occurred b...
Best way to define private methods for a class in Objective-C
...r) =
^(NSInteger a, NSInteger b)
{
return a + b;
};
//public methods, etc.
- (NSObject) thePublicOne
{
return createTheObject();
}
@end
I'm aware this is an old question, but it's one of the first I found when I was looking for an answer to this very question. I haven't seen this soluti...
Why should a function have only one exit-point? [closed]
...thod. This may require passing a few locals in to allow memory to be freed etc, but unless you're in a performance critical bit of code this is usually a much cleaner solution than a goto IMO. It also allows several methods to share similar cleanup code too.
– Jason Williams
...
Regular expression search replace in Sublime Text 2
...segments won't be accessible to defined variables such as $1, $2 or \1, \2 etc.
For example we want to replace 'em' with 'px' but preserve the digit values:
margin: 10em; /* Expected: margin: 10px */
margin: 2em; /* Expected: margin: 2px */
Replacement string: margin: $1px or margin:...