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Why is GHC so large/big?
...it was all the logic that Haskell offers: lazy evaluation, type inference, etc.
– mcandre
Feb 8 '11 at 10:10
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How do I get a raw, compiled SQL query from a SQLAlchemy expression?
...s waiting to be bound by the statement compiler or MySQLdb dialect engine, etc).
12 Answers
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__getattr__ on a module
...nality then anything else in the module, such as globals, other functions, etc., will be lost when the sys.modules assignment is made -- so make sure everything needed is inside the replacement class.
Note 2: To support from module import * you must have __all__ defined in the class; for example:
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How to save all the variables in the current python session?
...g all the variables in *.spydata format
Loading all the variables or pics etc.
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Python dictionary from an object's fields
... pass
def __getattr__(self, attr):
return self[attr]
# etc...
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App Launcher 应用启动器扩展：用于启动其他应用程序的强大工具，支持独立...
... getNameList 或 getPackageList 函数中列出所有文件，需要 QUERY_ALL_PACKAGES 权限
动机
App Inventor允许使用ActivityStarter组件启动其他活动。不幸的是，启动已安装的应用程序非常麻烦。根据说明，必须下载要启动...
How do you configure Django for simple development and deployment?
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settings as well: different logging locations / intensities,
media paths, etc.
14 Answers
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Android View.getDrawingCache returns null, only null
...d. All attempts then, using view.getWidth(), view.getLayoutParams().width, etc., including view.getDrawingCache() and view.buildDrawingCache(), are useless.
So, you need first to set dimensions to the view, e.g.:
view.layout(0, 0, width, height);
(You have already set 'width' and 'height' as you ...
What's the difference between the atomic and nonatomic attributes?
... Given that any thread-safe code will be doing its own locking etc, when would you want to use atomic property accessors? I'm having trouble thinking of a good example.
– Daniel Dickison
May 24 '11 at 20:00
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Postfix日常维护队列管理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...删除。
例如id是0EAF3A9B 那么postsuper -d 0EAF3A9B
postsuper -d ALL 删除所有邮件
显示信件列表：postqueue -p
显示信件內容：postcat -q Queue_ID
刪除各別信件：postsuper -d Queue_ID
全部刪除：postsuper -d ALL
扣住信件：postsuper -h Queue_ID
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