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How do I get the row count of a pandas DataFrame?
...en__() is currently (0.12) documented with Returns length of index. Timing info, set up the same way as in root's answer:
In [7]: timeit len(df.index)
1000000 loops, best of 3: 248 ns per loop
In [8]: timeit len(df)
1000000 loops, best of 3: 573 ns per loop
Due to one additional function call it...
Cannot install packages using node package manager in Ubuntu
... installed using sudo apt-get install nodejs-legacy.
I have not found any information about adopting the whole thing by NPM developers, but I think npm package will be fixed on some point and nodejs-legacy become really legacy.
...
HTML input textbox with a width of 100% overflows table cells
...oes not deal with box sizing correctly. Try the following in IE 7... css3.info/preview/box-sizing or see css-tricks.com/box-sizing
– AnthonyVO
May 22 '12 at 17:07
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Unit testing void methods?
...te (without expecting any confirmation.. its assumed that it will be done)
informational - just notifying someone that something happened (without expecting action or response) respectively.
Imperative methods - you can verify if the task was actually performed. Verify if state change actually to...
Conditional import of modules in Python
... can try below way to import json or simplejson
import sys
if sys.version_info > (2, 7):
import simplejson as json
else:
import json
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How can I make git ignore future revisions to a file?
...e you are setting it just for the local repo. You cannot push this kind of information.
– tamasd
Dec 3 '10 at 22:08
8
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MongoDB relationships: embed or reference?
...verflow answers or 20 flicker photos. On the other hand, this is far more information than one might want to present at one time on a typical web page. First consider what will make your queries easier. In many cases concern about document sizes will be premature optimization.
Complex data struc...
How to make layout with rounded corners..?
...the View class in API 21. See this training doc or this reference for more info.
This in-built feature makes rounded corners very easy to implement. It works on any view or layout and supports proper clipping.
Here's What To Do:
Create a rounded shape drawable and set it as your view's backgroun...
How to copy text to clipboard/pasteboard with Swift
...agvadia, You can't copy text with the font style, but you can get the font info with myTextField.font. You can save that information separately and apply it somewhere else.
– Suragch
Nov 1 '19 at 6:30
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Cannot set some HTTP headers when using System.Net.WebRequest
...
"User-Agent"
};
static Dictionary<string, PropertyInfo> HeaderProperties = new Dictionary<string, PropertyInfo>(StringComparer.OrdinalIgnoreCase);
static HttpWebRequestExtensions()
{
Type type = typeof(HttpWebRequest);
foreach (string header...