大约有 13,340 项符合查询结果（耗时：0.0196秒） [XML]
Forward an invocation of a variadic function in C
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If you don't have a function analogous to vfprintf that takes a va_list instead of a variable number of arguments, you can't do it. See http://c-faq.com/varargs/handoff.html.
Example:
void myfun(const char *fmt, va_list argp) {
vfprintf(stderr, fmt, argp);
}
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Why are #ifndef and #define used in C++ header files?
...he header is included, it checks if a unique value (in this case HEADERFILE_H) is defined. Then if it's not defined, it defines it and continues to the rest of the page.
When the code is included again, the first ifndef fails, resulting in a blank file.
That prevents double declaration of any iden...
How to match “any character” in regular expression?
...n{
public static void main(String[] args){
final String regex_1 = "[\\s\\S]*";
final String regex_2 = "[\\d\\D]*";
final String regex_3 = "[\\w\\W]*";
final String string = "AAA123\n\t"
+ "ABCDEFGH123\n\t"
+ "XXXX123\n\t";
fina...
Access multiple elements of list knowing their index
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Alternatives:
>>> map(a.__getitem__, b)
[1, 5, 5]
>>> import operator
>>> operator.itemgetter(*b)(a)
(1, 5, 5)
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impro...
PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
... address is, so it will know what to do with the navigation. I've used mod_rewrite , as per CodeIgniter documentation.
9 A...
Hidden Features of PHP? [closed]
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I agree. Being able to type www.php.net/function_name and getting a reference most of the time is great.
– Allain Lalonde
Sep 14 '08 at 17:46
1
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Multiple Models in a single django ModelForm?
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But how? Usually a FormView only has a single form_class assigned to it.
– erikbwork
Oct 7 '16 at 17:42
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How do I get a Cron like scheduler in Python? [closed]
...do(job)
schedule.every().day.at("10:30").do(job)
while 1:
schedule.run_pending()
time.sleep(1)
Disclosure: I'm the author of that library.
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Detect & Record Audio in Python
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from struct import pack
import pyaudio
import wave
THRESHOLD = 500
CHUNK_SIZE = 1024
FORMAT = pyaudio.paInt16
RATE = 44100
def is_silent(snd_data):
"Returns 'True' if below the 'silent' threshold"
return max(snd_data) < THRESHOLD
def normalize(snd_data):
"Average the volume out"
...
Timeout for python requests.get entire response
...snippet will work for you:
import requests
import eventlet
eventlet.monkey_patch()
with eventlet.Timeout(10):
requests.get("http://ipv4.download.thinkbroadband.com/1GB.zip", verify=False)
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