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Why use double indirection? or Why use pointers to pointers?
...gt;
#include <string.h>
int wordsinsentence(char **x) {
int w = 0;
while (*x) {
w += 1;
x++;
}
return w;
}
int wordsinmono(char ***x) {
int w = 0;
while (*x) {
w += wordsinsentence(*x);
x++;
}
return w;
}
int wordsinbio(char **...
Convert to/from DateTime and Time in Ruby
...ds into a fractional number of seconds
seconds = sec + Rational(usec, 10**6)
# Convert a UTC offset measured in minutes to one measured in a
# fraction of a day.
offset = Rational(utc_offset, 60 * 60 * 24)
DateTime.new(year, month, day, hour, min, seconds, offset)
end
end
Si...
Django - Difference between import django.conf.settings and import settings
...
answered Jan 8 '12 at 20:16
user237076user237076
...
Algorithm to detect intersection of two rectangles?
...e = v(n) - v(n-1)
You can get a perpendicular to this by rotating it by 90°. In 2D this is easy as:
rotated.x = -unrotated.y
rotated.y = unrotated.x
So no trigonometry or slopes involved. Normalizing the vector to unit-length is not required either.
If you want to test if a point is on o...
Unable to hide welcome screen in Emacs
... Léo Léopold Hertz 준영
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answered Apr 13 '09 at 17:28
Bastien LéonardBastien Léonard
...
Chaining multiple filter() in Django, is this a bug?
...tionships.
– gerdemb
Nov 17 '11 at 10:34
3
I believe you have it the wrong way around in the firs...
What does auto do in margin:0 auto?
What does auto do in margin:0 auto; ?
7 Answers
7
...
Counting Chars in EditText Changed Listener
...
Tim
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answered Nov 30 '10 at 4:41
xtemporextempore
...
View the Task's activity stack
...ctivity:
Activities in Current Activity Manager State:
* TaskRecord{44d07218 #4 A android.task.contacts}
clearOnBackground=true numActivities=2 rootWasReset=true
affinity=android.task.contacts
intent={act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x1060000...
sqlite alter table add MULTIPLE columns in a single statement
...
answered May 30 '11 at 6:19
mu is too shortmu is too short
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...