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CGRidCtrl控件 学习心得 - C/C++ - 清泛网 - 专注C/C++及内核技术
...得体会，希望能够对今后学习使用GridCtrl控件的其他同事有所帮助，使其更快上手。
1.2 参考资料
（略，原文链接均已失效）
2 Grid控件介绍
2.1 功能介绍
GridControl控件是一款非常优秀的网格控件，在VC平台上的用途非常...
Rails Root directory path?
...
Personally I like the newer syntax: Rails.root / 'app' / 'assets' / 'images' / 'logo.png'
– Ajedi32
Feb 18 '16 at 17:13
...
Get name of object or class
...(function(){}); new myclass prints myclass {}
– Hugh Allen
May 26 '14 at 4:09
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Getting Django admin url for an object
...e was an easy way to get the admin url of an object, and I had written a small filter that I'd use like this: <a href="{{ object|admin_url }}" .... > ... </a>
...
Android: upgrading DB version and adding new table
...
1. About onCreate() and onUpgrade()
onCreate(..) is called whenever the app is freshly installed. onUpgrade is called whenever the app is upgraded and launched and the database version is not the same.
2. Incrementing the db version
You need a constructor like:
MyOpenHelp...
angular.service vs angular.factory
... myInjectedFactory can be an object, a function reference, or any value at all. For example, if you wrote a service to create a constructor (as in the last example above), it would have to be instantiated like so:
var myShinyNewObject = new myInjectedService.myFunction()
which is arguably less desi...
Disable migrations when running unit tests in Django 1.7
... syncdb did in 1.6. I defined a new settings module just for unit
tests called "settings_test.py", which imports * from the main
settings module and adds this line:
MIGRATION_MODULES = {"myapp": "myapp.migrations_not_used_in_tests"}
Then I run tests like this:
DJANGO_SETTINGS_MODU...
常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...mp.tar tool
思考： 在windows上打包，在linux中解压能实现吗？如何实现？
五、磁盘管理的命令
1. 检查文件系统的磁盘空间占用情况的df命令
使用df命令来获取硬盘被占用了多少空间，目前还剩下多少空间等信息
[root@KEDACOM...
How to determine whether code is running in DEBUG / RELEASE build?
...EBUG changed to another variable name such as DEBUG_MODE.
then conditionally code for DEBUG in your source files
#ifdef DEBUG
// Something to log your sensitive data here
#else
//
#endif
share
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Android ACTION_IMAGE_CAPTURE Intent
...works just fine if we leave out the EXTRA_OUTPUT extra and returns the small Bitmap image. However, if we putExtra(EXTRA_OUTPUT,...) on the intent before starting it, everything works until you try to hit the "Ok" button in the camera app. The "Ok" button just does nothing. The camera app stays ...