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MIN and MAX in C
...; \
__typeof__ (b) _b = (b); \
_a > _b ? _a : _b; })
Everyone says "oh I know about double evaluation, it's no problem" and a few months down the road, you'll be debugging the silliest problems for hours on end.
Note the use of __typeof__ instead of typeof:
If you are writing a...
RE error: illegal byte sequence on Mac OS X
...ct can be had ad-hoc for a single command only:
LC_ALL=C sed -i "" 's|"iphoneos-cross","llvm-gcc:-O3|"iphoneos-cross","clang:-Os|g' Configure
Note: What matters is an effective LC_CTYPE setting of C, so LC_CTYPE=C sed ... would normally also work, but if LC_ALL happens to be set (to something oth...
Random data in Unit Tests?
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This kind of testing is called a Monkey test. When done right, it can smoke out bugs from the really dark corners.
To address your concerns about reproducibility: the right way to approach this, is to record the failed test entries, generate a unit test, which probes for the ...
What is the most frequent concurrency issue you've encountered in Java? [closed]
...possible issues but also in what issues are most common. So, please leave one specific answer of a Java concurrency bug per comment and vote up if you see one you've encountered.
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Unnecessary curly braces in C++?
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One possible purpose is to control variable scope. And since variables with automatic storage are destroyed when they go out of scope, this can also enable a destructor to be called earlier than it otherwise would.
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What is the difference between tree depth and height?
... question from algorithms theory.
The difference between them is that in one case you count number of nodes and in other number of edges on the shortest path between root and concrete node.
Which is which?
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How do you see the entire command history in interactive Python?
...OS X, and I Cmd + K (cleared) my earlier commands. I can go through them one by one using the arrow keys. But is there an option like the --history option in bash shell, which shows you all the commands you've entered so far?
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how to use “AND”, “OR” for RewriteCond on Apache?
...u'll quickly spot the defines used to name these flags:
#define CONDFLAG_NONE 1<<0
#define CONDFLAG_NOCASE 1<<1
#define CONDFLAG_NOTMATCH 1<<2
#define CONDFLAG_ORNEXT 1<<3
#define CONDFLAG_NOVARY 1<<4
and se...
Is MonoTouch now banned on the iPhone? [closed]
...inally written in Objective-C, C, C++, or JavaScript as executed by the iPhone OS WebKit engine...
They even hammer it in a little further:
Applications that link to Documented APIs through an intermediary translation or compatibility layer or tool are prohibited
Kind of a bummer, MonoTouch and t...
Change text color of one word in a TextView
...ure! Also, as I found out you cannot use 8-digit hex codes so no alpha component. That one stumped me for a moment.
– Tom
May 15 '12 at 0:15
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