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刘强东“一元年薪”背后的O2O棋局 - 资讯 - 清泛网 - 专注C/C++及内核技术
...定投资者的信心。
稳定投资者信心或许是为了缓解其在最新一期财务报告中持续亏损所带来的负面影响。
8月7日，京东发布了2015年第二季度财报。据财报显示，虽然京东第二季度交易总额为1145亿元，同比增长82%，净收入则达...
Rails update_attributes without save?
...thods follow this usage:
@user.assign_attributes{ model: "Sierra", year: "2012", looks: "Sexy" }
@user.attributes = { model: "Sierra", year: "2012", looks: "Sexy" }
Note that neither method will perform validations or execute callbacks; callbacks and validation will happen when save is called.
...
Python matplotlib multiple bars
...e dates required with numpy's datetime64: e.g. One month worth: np.arange('2012-02', '2012-03', dtype='datetime64[D]'). You might need to think harder about the best way to represent this data if you have 40 datasets (as per another comment) spanning over 100 days.
– John Lyon
...
What is the best way to detect a mobile device?
...
So how mobile would you consider an android TV with mouse? How mobile is a windows PC that can run in dual mode (with keyboard, or as touch screen)? If you did this before the iPad was invented, then you had to add it later to all your sites. Next OSs coming out: Ubunt...
Can you “ignore” a file in Perforce?
...
As of version 2012.1, Perforce supports the P4IGNORE environment variable. I updated my answer to this question about ignoring directories with an explanation of how it works. Then I noticed this answer, which is now superfluous I guess.
...
Difference between namespace in C# and package in Java
...er( int no_of_lines){
}
void ad_on_tv(int seconds){
}
}
}
To use in client class
using marketing;
using marketing.advertising;
'''
In java you use same method. You pack multiple classes in one package and use it many times. It i...
Traits in PHP – any real world examples/best practices? [closed]
...('label' => 'Awesome product', 'price' => 10.50, 'date_added' => '2012-02-01'),
101232 => array('label' => 'Not so awesome product', 'price' => 5.20, 'date_added' => '2012-03-20'),
101241 => array('label' => 'Pretty neat product', 'price' => 9.65...
Favicon dimensions? [duplicate]
...rowsers: 16x16, 32x32, "as big as possible"
Android Chrome: 192x192
Google TV: 96x96
... and others that are more or less documented.
The PNG icons are declared with:
<link rel="icon" type="image/png" href="/path/to/icons/favicon-16x16.png" sizes="16x16">
<link rel="icon" type="image/png" ...
Kill detached screen session [closed]
...reen -list
Output:
There is a screen on:
23536.pts-0.wdzee (10/04/2012 08:40:45 AM) (Detached)
1 Socket in /var/run/screen/S-root.
Kill screen session:
screen -S 23536 -X quit
share
...
How to Deserialize XML document
...er Tools. If not, try accessing it from the visual studio folder. For VS 2012 it was located here: C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\Tools\Shortcuts. In Windows 8 try searching for "Visual Studio Tools".
– goku_da_master
Oct 16 '14 ...