大约有 14,525 项符合查询结果（耗时：0.0305秒） [XML]
How to Calculate Execution Time of a Code Snippet in C++
... @MicroVirus: yes, GetTickCount is the time elapsed since the system was started, while my function returns the time since the UNIX epoch which means you can use it for dates and times. If you are only interested in time elapsed between two events mine is still a better choice because it's an int6...
How to keep the console window open in Visual C++?
I'm starting out in Visual C++ and I'd like to know how to keep the console window.
22 Answers
...
Log all requests from the python-requests module
...tp://httpbin.org/get?foo=bar&baz=python')
DEBUG:urllib3.connectionpool:Starting new HTTP connection (1): httpbin.org:80
DEBUG:urllib3.connectionpool:http://httpbin.org:80 "GET /get?foo=bar&baz=python HTTP/1.1" 200 366
Depending on the exact version of urllib3, the following messages are lo...
Git serve: I would like it that simple
...
Navigate into your project and start git-daemon with the following switches:
cd project
git daemon --reuseaddr --base-path=. --export-all --verbose
This tells git-daemon to serve up all projects inside the current directory (which I assume is the projec...
How do I build a graphical user interface in C++? [closed]
...E
...
Especially Qt has nice tutorials and tools which help you getting started. Enjoy!
Note, however, that you should avoid platform specific functionality such as the Win32 API or MFC. That ties you unnecessarily on a specific platform with almost no benefits.
...
Task vs Thread differences [duplicate]
...
Thread is a lower-level concept: if you're directly starting a thread, you know it will be a separate thread, rather than executing on the thread pool etc.
Task is more than just an abstraction of "where to run some code" though - it's really just "the promise of a result in ...
Visual Studio 64 bit?
...That basically results in a raw speed hit (your mileage may vary). So
you start in a hole and you have to dig yourself out of that hole by
using the extra memory above 4G to your advantage. In Visual Studio
this can happen in some large solutions but I think a preferable thing
to do is to just use...
LINQ Aggregate algorithm explained
.../Output 1200000 ((((5*10)*20)*30)*40)
Much like the above examples, this starts with a value of 5 and multiplies it by the first element of the sequence 10 giving a result of 50. This result is carried forward and multiplied by the next number in the sequence 20 to give a result of 1000. This cont...
How to get the position of a character in Python?
...r: substring not found
From the Python manual
string.find(s, sub[, start[, end]])
Return the lowest index in s where the substring sub is found such that sub is wholly contained in s[start:end]. Return -1 on failure. Defaults for start and end and interpretation of negative values is the s...
PHP + MySQL transactions examples
...
I think I have figured it out, is it right?:
mysql_query("START TRANSACTION");
$a1 = mysql_query("INSERT INTO rarara (l_id) VALUES('1')");
$a2 = mysql_query("INSERT INTO rarara (l_id) VALUES('2')");
if ($a1 and $a2) {
mysql_query("COMMIT");
} else {
mysql_query("RO...