大约有 47,000 项符合查询结果（耗时：0.0456秒） [XML]
Should I URL-encode POST data?
... your "Content-Type" is in the HTTP headers.
A value of "application/x-www-form-urlencoded" means that your POST body will need to be URL encoded just like a GET parameter string. A value of "multipart/form-data" means that you'll be using content delimiters and NOT url encoding the content.
This a...
Determine function name from within that function (without using traceback)
...ods in @RoshOxymoron's answer as well as numerical indexing into the stack for @neuro/@AndreasJung's answer: print(inspect.currentframe().f_code.co_name)
– hobs
Mar 17 '15 at 21:43
...
Converting between datetime, Timestamp and datetime64
...t;>> numpy.__version__
'1.8.0.dev-7b75899'
It returns long because for numpy.datetime64 type .astype(datetime) is equivalent to .astype(object) that returns Python integer (long) on numpy-1.8.
To get datetime object you could:
>>> dt64.dtype
dtype('<M8[ns]')
>>> ns = ...
Multiprocessing: How to use Pool.map on a function defined in a class?
...accept. I wrote the following to circumvent this. It appears to work, even for recursive use of parmap.
from multiprocessing import Process, Pipe
from itertools import izip
def spawn(f):
def fun(pipe, x):
pipe.send(f(x))
pipe.close()
return fun
def parmap(f, X):
pipe = ...
Remove HTML Tags in Javascript with Regex
...
Try this, noting that the grammar of HTML is too complex for regular expressions to be correct 100% of the time:
var regex = /(<([^>]+)>)/ig
, body = "<p>test</p>"
, result = body.replace(regex, "");
console.log(result);
If you're willing to use a libra...
How to terminate a Python script
...7, and produce undefined results
otherwise. Some systems have a convention for assigning specific
meanings to specific exit codes, but these are generally
underdeveloped; Unix programs generally use 2 for command line syntax
errors and 1 for all other kind of errors. If another type of object
is pas...
How to limit the maximum value of a numeric field in a Django model?
Django has various numeric fields available for use in models, e.g. DecimalField and PositiveIntegerField . Although the former can be restricted to the number of decimal places stored and the overall number of characters stored, is there any way to restrict it to storing only numbers within a ...
What is a good regular expression to match a URL? [duplicate]
...9()@:%_\+.~#?&//=]*)
To try this out see http://regexr.com?37i6s, or for a version which is less restrictive http://regexr.com/3e6m0.
Example JavaScript implementation:
var expression = /[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)?/gi;
var rege...
Sleep until a specific time/date
...
As mentioned by Outlaw Programmer, I think the solution is just to sleep for the correct number of seconds.
To do this in bash, do the following:
current_epoch=$(date +%s)
target_epoch=$(date -d '01/01/2010 12:00' +%s)
sleep_seconds=$(( $target_epoch - $current_epoch ))
sleep $sleep_seconds
...
wkhtmltopdf: cannot connect to X server
...
it worked for me.. in some situations. I think installing missing 32bit libraries fixed it for me - thanks for that tip
– TimoSolo
Mar 14 '12 at 7:03
...