大约有 13,800 项符合查询结果(耗时:0.0407秒) [XML]
How to check if running in Cygwin, Mac or Linux?
... will tell you what environment you're running in:
pax> uname -a
CYGWIN_NT-5.1 IBM-L3F3936 1.5.25(0.156/4/2) 2008-06-12 19:34 i686 Cygwin
pax> uname -s
CYGWIN_NT-5.1
And, according to the very helpful schot (in the comments), uname -s gives Darwin for OSX and Linux for Linux, while my Cygw...
How to catch curl errors in PHP
...
You can use the curl_error() function to detect if there was some error. For example:
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $your_url);
curl_setopt($ch, CURLOPT_FAILONERROR, true); // Required for HTTP error codes to be reported via ...
Change column type from string to float in Pandas
...
You have four main options for converting types in pandas:
to_numeric() - provides functionality to safely convert non-numeric types (e.g. strings) to a suitable numeric type. (See also to_datetime() and to_timedelta().)
astype() - convert (almost) any type to (almost) any other type ...
What is the difference between “ is None ” and “ ==None ”
...
class Foo:
def __eq__(self,other):
return True
foo=Foo()
print(foo==None)
# True
print(foo is None)
# False
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Find UNC path of a network drive?
...
The answer is a simple PowerShell one-liner:
Get-WmiObject Win32_NetworkConnection | ft "RemoteName","LocalName" -A
If you only want to pull the UNC for one particular drive, add a where statement:
Get-WmiObject Win32_NetworkConnection | where -Property 'LocalName' -eq 'Z:' | ft "Remo...
What does O(log n) mean exactly?
...) definition which finally makes sense. +1
– iAteABug_And_iLiked_it
Aug 30 '13 at 17:19
...
std::unique_ptr with an incomplete type won't compile
I'm using the pimpl-idiom with std::unique_ptr :
6 Answers
6
...
How to get an object's properties in JavaScript / jQuery?
...t intance of a determinated prop:
var obj = {a:'Saludos',
b:{b_1:{b_1_1:'Como estas?',b_1_2:'Un gusto conocerte'}},
d:'Hasta luego'
}
function scan (element,list){
var res;
if (typeof(list) != 'undefined'){
if (typeof(list) == 'object'){
...
AJAX Mailchimp signup form integration
... {
if ( event ) event.preventDefault();
// validate_input() is a validation function I wrote, you'll have to substitute this with your own.
if ( validate_input($form) ) { register($form); }
});
}
});
function register($form) {
$.ajax({
typ...
Quick and easy file dialog in Python?
...a UI, but right now I'm prompting the user for the file to parse using raw_input which is most unfriendly, especially because the user can't copy/paste the path. I would like a quick and easy way to present a file selection dialog to the user, they can select the file, and then it's loaded to the...
