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Is there an alternative sleep function in C to milliseconds?
...tandards defined usleep(), so this is available on Linux:
int usleep(useconds_t usec);
DESCRIPTION
The usleep() function suspends execution of the calling thread for
(at least) usec microseconds. The sleep may be lengthened slightly by
any system activity or by ...
Calculating frames per second in a game
What's a good algorithm for calculating frames per second in a game? I want to show it as a number in the corner of the screen. If I just look at how long it took to render the last frame the number changes too fast.
...
Using regular expression in css?
...wer the question directly, yes you can use a form of regex in selectors:
#sections div[id^='s'] {
color: red;
}
That says select any div elements inside the #sections div that have an ID starting with the letter 's'.
See fiddle here.
W3 CSS selector docs here.
...
How do I add more members to my ENUM-type column in MySQL?
...(country ENUM('Canada', 'United States'));
Query OK, 0 rows affected (0.00 sec)
mysql> SHOW CREATE TABLE carmake;
+---------+-------------------------------------------------------------------------------------------------------------------------+
| Table | Create Table ...
Calling a function every 60 seconds
...s means that your callback may (and probably will) fire after more than 60 seconds.
– Andy E
Jun 29 '10 at 7:52
15
...
RESTful API methods; HEAD & OPTIONS
I'm writing a RESTful API module for an application in PHP, and I'm a bit mixed on the verbs HEAD and OPTIONS .
3 Answer...
MySQL Conditional Insert
...teger, item integer, unique (user, item));
Query OK, 0 rows affected (0.00 sec)
mysql> insert into x_table (user, item) values (1,2),(3,4);
Query OK, 2 rows affected (0.00 sec)
Records: 2 Duplicates: 0 Warnings: 0
mysql> insert into x_table (user, item) values (1,6);
Query OK, 1 row affect...
Android - Pulling SQlite database android device
...eforge.net/projects/adbextractor). See forum.xda-developers.com/showthread.php?t=2011811 for the commands to unpack the .ab file.
– lalitm
Apr 2 '14 at 9:55
7
...
Measuring execution time of a function in C++
...ow();
auto duration = std::chrono::duration_cast<std::chrono::microseconds>( t2 - t1 ).count();
std::cout << duration;
return 0;
}
This will measure the duration of the function.
NOTE: You will not always get the same timing for a function. This is because the CPU of you...
regex.test V.S. string.match to know if a string matches a regular expression
...
This is my benchmark results
test 4,267,740 ops/sec ±1.32% (60 runs sampled)
exec 3,649,719 ops/sec ±2.51% (60 runs sampled)
match 3,623,125 ops/sec ±1.85% (62 runs sampled)
indexOf 6,230,325 ops/sec ±0.95% (62 runs sampled)
test method is faster than the match metho...