大约有 28,000 项符合查询结果（耗时：0.0560秒） [XML]
Remove all the elements that occur in one list from another
...lso, since it's native, it should be the most optimized method too.
See:
http://docs.python.org/library/stdtypes.html#set
http://docs.python.org/library/sets.htm (for older python)
# Using Python 2.7 set literal format.
# Otherwise, use: l1 = set([1,2,6,8])
#
l1 = {1,2,6,8}
l2 = {2,3,5,8}
l3 = l...
Ruby on Rails - Import Data from a CSV file
...pread the load of generating entries to multiple workers.
See also:
https://github.com/tilo/smarter_csv
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curl json post request via terminal to a rails app
...ail@email.com","password":"app123","password_confirmation":"app123"}}' \
http://localhost:3000/api/1/users
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Is it possible in Java to catch two exceptions in the same catch block? [duplicate]
...d lessen
the temptation to catch an overly broad exception.
Reference:
http://docs.oracle.com/javase/tutorial/essential/exceptions/catch.html
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Javascript trick for 'paste as plain text` in execCommand
...l the paste, and manually insert the text representation of the clipboard:
http://jsfiddle.net/HBEzc/.
This should be the most reliable:
It catches all kinds of pasting (Ctrl+V, context menu, etc.)
It allows you to get the clipboard data directly as text, so you don't have to do ugly hacks to rep...
How do I hide a menu item in the actionbar?
....xml
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<!-- hide share button by default -->
<item
android:id="@+id/menu_action_share"
andro...
How do i instantiate a JAXBElement object?
...and the element name from your generated code.
new JAXBElement(new QName("http://www.novell.com/role/service","userDN"),
new String("").getClass(),testDN);
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Best way to create unique token in Rails?
...re are some pretty slick ways of doing this demonstrated in this article:
https://web.archive.org/web/20121026000606/http://blog.logeek.fr/2009/7/2/creating-small-unique-tokens-in-ruby
My favorite listed is this:
rand(36**8).to_s(36)
=> "uur0cj2h"
...
An efficient compression algorithm for short text strings [closed]
...e.
For example, translating the URL into a bit stream, you could replace "http" with the bit 1, and anything else with the bit "0" followed by the actual procotol (or use a table to get other common protocols, like https, ftp, file). The "://" can be dropped altogether, as long as you can mark the ...
Deserializing JSON to .NET object using Newtonsoft (or LINQ to JSON maybe?)
...n magic-strings.
JSON
The JSON string below is a simple response from an HTTP API call, and it defines two properties: Id and Name.
{"Id": 1, "Name": "biofractal"}
C#
Use JsonConvert.DeserializeObject<dynamic>() to deserialize this string into a dynamic type then simply access its proper...