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How to get error message when ifstream open fails
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answered Jun 27 '13 at 9:02
Matthieu RougetMatthieu Rouget
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Git merge without auto commit
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643
Note the output while doing the merge - it is saying Fast Forward
In such situations, you want ...
Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
In my Rails (3.2) app, I have a bunch of tables in my database but I forgot to add a few not null constraints. I've googled around but I can't find how to write a migration which adds not null to an existing column.
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What is the best way to count “find” results?
...ull lines :
$ time find -type f | wc -l
8
real 0m0.006s
user 0m0.003s
sys 0m0.000s
So my solution is faster =) (the important part is the real line)
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MySQL root password change
... ktakta
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Remove Last Comma from a string
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answered Jul 18 '13 at 10:02
JonJon
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Android dex gives a BufferOverflowException when building
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No need to downgrade the build tools back to 18.1.11, this issue is fixed with build tools 19.0...
In mongoDb, how do you remove an array element by its index?
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There is no straight way of pulling/removing by array index. In fact, this is an open issue ht...
App Inventor 2 动态创建组件与布局教程 · App Inventor 2 中文网
... 推荐方案
三、Dynamic Components 扩展介绍
3.1 下载与导入
3.2 核心方法概览
3.3 支持的组件类型
四、基础操作：创建按钮和标签
4.1 动态创建一个按钮
4.2 动态创建标签和文本框
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In AngularJS, what's the difference between ng-pristine and ng-dirty?
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edited May 23 '17 at 12:34
Community♦
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answered Aug 6 '13 at 6:44
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