大约有 16,000 项符合查询结果（耗时：0.0484秒） [XML]
What .NET collection provides the fastest search
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@Brian: good point. I was assuming (baselessly) Record.Key was a builtin type of some kind.
– Jimmy
Jun 17 '09 at 19:59
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How would you go about parsing Markdown? [closed]
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interesting. perhaps I will try converting that as an f# project
– ShuggyCoUk
Feb 11 '10 at 13:51
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Iterate over each line in a string in PHP
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I'm not sure if the ascii carriage return gets converted to \r once it's placed inside a variable. If not you can always use a split()/exlope() with the ascii value instead -- ch(13)
– Kyril
Sep 22 '09 at 21:52
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Postgres NOT in array
... it with coalesce(), e.g.
(some_value != ALL(coalesce(some_array, array[]::int[])))
Or
NOT (some_value = ANY(coalesce(some_array, array[]::int[])))
From the docs:
If the array expression yields a null array, the result of ANY will be null
If the array expression yields a null array, the result of...
Find duplicate lines in a file and count how many time each line was duplicated?
...' '\n' < yourfile | sort | uniq -d -c
^--space char
Basically: convert all space characters to linebreaks, then sort the tranlsated output and feed that to uniq and count duplicate lines.
share
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.htaccess redirect all pages to new domain
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I've used for my Wordpress blog this as .htaccess. It converts http://www.blah.example/asad, http://blah.example/asad, http://www.blah.example2/asad etc, to http://blah.example/asad
Thanks to all other answers I figured this out.
<IfModule mod_rewrite.c>
RewriteEngine On
R...
Pretty graphs and charts in Python [closed]
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alt text http://i40.tinypic.com/2j677tl.jpg
Note: the image has been converted to jpg by the image host.
share
edited May 29 '09 at 13:52
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How to display Toast in Android?
...Toast.LENGTH_LONG).show();
We can define two constants for duration:
int LENGTH_LONG Show the view or text notification for a long period
of time.
int LENGTH_SHORT Show the view or text notification for a short period
of time.
Customizing your toast
LayoutInflater myInflater...
Call UrlHelper in models in ASP.NET MVC
...nk according to routing info
Example:
public class MyModel
{
public int ID { get; private set; }
public string Link
{
get
{
UrlHelper url = new UrlHelper(HttpContext.Current.Request.RequestContext);
return url.Action("ViewAction", "MyModelContro...
Transposing a NumPy array
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You can convert an existing vector into a matrix by wrapping it in an extra set of square brackets...
from numpy import *
v=array([5,4]) ## create a numpy vector
array([v]).T ## transpose a vector into a matrix
numpy also has a ma...