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Why are regular expressions so controversial? [closed]
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Making Regexes Maintainable
A major advance toward demystify the patterns previously referred...
JavaScript hashmap equivalent
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@jsc123: I'll look into that - for now you can get a dump of the repository at pikacode.com/mercurial.intuxication.org/js-hacks.tar.gz
– Christoph
Jul 30 '13 at 20:16
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What does “static” mean in C?
... @Qix -- This was a new overloaded meaning given to static in C99. It is more than a decade and a half old, but not all compiler writers have embraced all of C99 features -- so C99 as a whole largely remains unknown.
– Happy Green Kid Naps
Dec 22 '...
What's the difference between console.dir and console.log?
...ozilla.org/en-US/docs/Web/API/Console/log
– loneshark99
Feb 20 '18 at 18:18
13
@loneshark99 actua...
Should I use 'has_key()' or 'in' on Python dicts?
...but also in performance, e.g.:
$ python -mtimeit -s'd=dict.fromkeys(range(99))' '12 in d'
10000000 loops, best of 3: 0.0983 usec per loop
$ python -mtimeit -s'd=dict.fromkeys(range(99))' 'd.has_key(12)'
1000000 loops, best of 3: 0.21 usec per loop
While the following observation is not always tru...
C compile error: “Variable-sized object may not be initialized”
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I am assuming that you are using a C99 compiler (with support for dynamically sized arrays). The problem in your code is that at the time when the compilers sees your variable declaration it cannot know how many elements there are in the array (I am also assumi...
Hidden features of C
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I think they are C99 or so. I haven't found a portable way to ensure these would be around.
– akauppi
Sep 25 '08 at 19:25
3...
What is the printf format specifier for bool?
Since ANSI C99 there is _Bool or bool via stdbool.h . But is there also a printf format specifier for bool?
8 Answer...
Matplotlib: “Unknown projection '3d'” error
...irst off, I think mplot3D worked a bit differently in matplotlib version 0.99 than it does in the current version of matplotlib.
Which version are you using? (Try running: python -c 'import matplotlib; print matplotlib."__version__")
I'm guessing you're running version 0.99, in which case you'll n...
Is gcc's __attribute__((packed)) / #pragma pack unsafe?
...cked__)) my_struct {
char c;
int i;
};
struct my_struct a = {'a', 123};
struct my_struct *b = &a;
int c = a.i;
int d = b->i;
int *e __attribute__((aligned(1))) = &a.i;
int *f = &a.i;
Here, the type of a is a packed struct (as defined above). Similarly, b is a pointer to a p...