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Why do you use typedef when declaring an enum in C++?
I haven't written any C++ in years and now I'm trying to get back into it. I then ran across this and thought about giving up:
...
Best way to replace multiple characters in a string?
...t.replace(c, "\\" + c)
def b(text):
for ch in ['&','#']:
if ch in text:
text = text.replace(ch,"\\"+ch)
import re
def c(text):
rx = re.compile('([&#])')
text = rx.sub(r'\\\1', text)
RX = re.compile('([&#])')
def d(text):
text = RX.sub(r'\\\1', te...
Calculate the median of a billion numbers
...
Ah, my brain has just kicked into gear, I have a sensible suggestion now. Probably too late if this had been an interview, but never mind:
Machine 1 shall be called the "control machine", and for the sake of argument either it starts with all the data, and sends it in equal parcels to the oth...
Where is a complete example of logging.config.dictConfig?
...'INFO',
'propagate': False
},
'__main__': { # if __name__ == '__main__'
'handlers': ['default'],
'level': 'DEBUG',
'propagate': False
},
}
}
Usage:
# Run once at startup:
logging.config.dictConfig(LOGGING_CONFIG)
# Inc...
What Process is using all of my disk IO
If I use "top" I can see what CPU is busy and what process is using all of my CPU.
7 Answers
...
基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
..._SECRET',
OAUTH_SIG_METHOD_HMACSHA1,
OAUTH_AUTH_TYPE_FORM
);
if (empty($_GET['oauth_verifier'])) {
$callback_url = "http://{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}";
$request_token = $oauth->getRequestToken($request_token_url, $callback_url);
$_SESSION['oauth...
Sharing a result queue among several processes
...processing.Manager to manage your queue and to also make it accessible to different workers.
import multiprocessing
def worker(name, que):
que.put("%d is done" % name)
if __name__ == '__main__':
pool = multiprocessing.Pool(processes=3)
m = multiprocessing.Manager()
q = m.Queue()
...
Javascript equivalent of Python's zip function
...x may have performance issues at this time, and possibly in the future, so if you use the second answer with variadic arguments, you may want to perf test it.)
Here's a oneliner:
function zip(arrays) {
return arrays[0].map(function(_,i){
return arrays.map(function(array){return array...
Can “list_display” in a Django ModelAdmin display attributes of ForeignKey fields?
...showing each person would make a SQL query.
To avoid this, you need to modify get_queryset method in PersonAdmin, for example:
def get_queryset(self, request):
return super(PersonAdmin,self).get_queryset(request).select_related('book')
Before: 73 queries in 36.02ms (67 duplicated queries ...
Executing Batch File in C#
... = new ProcessStartInfo("cmd.exe", "/c " + command);
processInfo.CreateNoWindow = true;
processInfo.UseShellExecute = false;
// *** Redirect the output ***
processInfo.RedirectStandardError = true;
processInfo.RedirectStandardOutput = true;
process = Process.Start(processInf...