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App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...建 Apps 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
Best way to include CSS? Why use @import?
...
@import url("fineprint.css") print;
@import url("bluish.css") projection, tv;
@import 'custom.css';
@import url("chrome://communicator/skin/");
@import "common.css" screen, projection;
@import url('landscape.css') screen and (orientation:landscape);
source: https://developer.mozilla.org/en-US/doc...
JavaScript math, round to two decimal places [duplicate]
...ing on the values beyond 2 decimals.
Example: http://jsfiddle.net/calder12/tv9HY/
Documentation: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toFixed
Edit - As mentioned by others this converts the result to a string. To avoid this:
var discount = +((price ...
Does Python's time.time() return the local or UTC timestamp?
...omputer, converting it to a string as well.
Python 2.7.3 (default, Apr 24 2012, 00:00:54)
[GCC 4.7.0 20120414 (prerelease)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import time
>>> ts = time.time()
>>> print ts
1355563265.81
&g...
Max size of an iOS application
.... These changes can be found on page 208 of the guide.
As of October 31, 2012
The above information is still the same with the exception of Over The Air downloads which is now 50MB's. These changes can be found on page 206 of the guide. Thanks to comment from Ozair Kafray.
As of July 19, 2012
The...
低效程序员的7个坏习惯 - 创意 - 清泛网 - 专注C/C++及内核技术
...Eggleston说。
“你需要接触社区中的其他人，以便于紧跟最新的需求技术，因为技术是不断变化的。”她建议说。
研究与开发会议，在线研讨会，以及每周和同事共进午餐，是软件工程师避免低效学习的几个活动，Charles指出。
...
Could not load file or assembly 'System.Web.Http 4.0.0 after update from 2012 to 2013
...adAliostad
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...
“CASE” statement within “WHERE” clause in SQL Server 2008
...red THEN 1 ELSE 0 END
ELSE
CASE LEN('2012-01-09 11:56:29.327')
WHEN 0 THEN
CASE WHEN co.DTEntered >= '2011-01-09 11:56:29.327' THEN 1 ELSE 0 END
ELSE
C...
How to put more than 1000 values into an Oracle IN clause [duplicate]
...ut with a limit of 100,000 rather than 1,000.
– cody.tv.weber
Mar 19 '18 at 19:44
...
炒股是世界难题！历史上那些名人炒股水平 - 轻松一刻 - 清泛网 - 专注C/C++...
...。”当晚，伤感的作家在自己的日记里这样写道。
最新案例：
?超级牛散袁海林涉嫌操纵股价亏了2.78亿，还被罚款300万
操纵股价亏损2.78亿，再被罚款300万，求心理阴影面积？
据证监会披露，袁海林于2015年...