大约有 42,000 项符合查询结果(耗时:0.0353秒) [XML]
Can pandas automatically recognize dates?
...r
non-standard datetime parsing, use pd.to_datetime after pd.read_csv.
Demo:
>>> D = {'date': '2013-6-4'}
>>> df = pd.DataFrame(D, index=[0])
>>> df
date
0 2013-6-4
>>> df.dtypes
date object
dtype: object
>>> df['date'] = pd.to_datetime(df...
Converting a list to a set changes element order
...}
Code
oset = dict.fromkeys(a).keys()
# dict_keys([1, 2, 20, 6, 210])
Demo
Replicates are removed, insertion-order is preserved.
list(oset)
# [1, 2, 20, 6, 210]
Set-like operations on dict keys.
oset - b
# {1, 20, 210}
oset | b
# {1, 2, 5, 6, 20, 210}
oset & b
# {2, 6}
oset ^ b
# {1...
How to add a custom HTTP header to every WCF call?
...oxy. This would have to be done for each request, but suffices as a simple demo if you just need to unit test your proxy in preparation for non-.NET platforms.
// create channel factory / proxy ...
using (OperationContextScope scope = new OperationContextScope(proxy))
{
OperationContext.Current...
Uppercase Booleans vs. Lowercase in PHP
...efine('FALSE', true);
Happy debugging! (PHP < 5.1.3 (2 May 2006), see Demo)
Edit: Uppercase bools are constants and lowercases are values. You are interested in the value, not in the constant, which can easily change.
Eliminated run-time constant fetching for TRUE, FALSE and NULL
author ...
How to pre-populate the sms body text via an html link
.../* phone number here */;body=/* body text here */">Link</a>
Live demo here: http://bradorego.com/test/sms.html (note the "Phone and ?body" and "Phone and ;body" should autofill both the to: field and the body text. View the source for more info)
UPDATE:
Apparently iOS8 had to go and chan...
Apache Tomcat Not Showing in Eclipse Server Runtime Environments
...untime env from the preferences screen instead of hitting "add" - see this demo on youtube. http://www.youtube.com/watch?v=EOkN5IPoJVs&playnext_from=TL&videos=rVnITzSU2Z8 - When you hit search, you are prompted to point to the tomcat directory and then it SHOULD add it as a server runtime en...
Can I write a CSS selector selecting elements NOT having a certain class or attribute?
... have a css class (class="css-selector") applied to it.
I made a jsfiddle demo
h2 {color:#fff}
:not([class]) {color:red;background-color:blue}
.fake-class {color:green}
<h2 class="fake-class">fake-class will be green</h2>
<h2 class="">empty class SHOUL...
Setting property 'source' to 'org.eclipse.jst.jee.server:JSFTut' did not find a matching property
I am getting following error, when I run the demo JSF application on the console
8 Answers
...
Hiding a password in a python script (insecure obfuscation only)
...tcomings, but it's actually very close to what I want. It will allow me to demo python scripts that include user/passwd connections without revealing the password onscreen, or having to type it into the command prompt. After importing peekaboo import peekabo the password is available as peekaboo.pas...
How to display length of filtered ng-repeat data
...ems = (items | filter:search) | limitTo:25)">...</div>
here's a demo fiddle