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PHP String to Float
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edited Oct 21 '12 at 1:11
answered Jan 26 '09 at 21:35
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Error in : object of type 'closure' is not subsettable
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120
In general this error message means that you have tried to use indexing on a function. You ca...
How do I format a long integer as a string without separator in Java?
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edited Jan 22 '16 at 20:19
RAnders00
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Maximum and Minimum values for ints
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910
Python 3
In Python 3, this question doesn't apply. The plain int type is unbounded.
However, ...
In Matplotlib, what does the argument mean in fig.add_subplot(111)?
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491
These are subplot grid parameters encoded as a single integer. For example, "111" means "1x1 gri...
Check folder size in Bash
...a script that will calculate a directory size and if the size is less than 10GB, and greater then 2GB do some action. Where do I need to mention my folder name?
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passing several arguments to FUN of lapply (and others *apply)
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122
If you look up the help page, one of the arguments to lapply is the mysterious .... When we lo...
How can I install Apache Ant on Mac OS X?
...tory in your path.
The commands that you would need, assuming apache-ant-1.8.1-bin.tar.gz (replace 1.8.1 with the actual version) were still in your Downloads directory, would be the following (explanatory comments included):
cd ~/Downloads # Let's get into your downloads folder.
tar -xvzf apache...
红外实验 - 把手机变成家电遥控器 · App Inventor 2 中文网
... 三、界面组件
四、分步搭代码块
第 1 步：先确认手机有没有红外发射器
第 2 步：发一个红外码
第 3 步：长按连发（音量键必备）
第 4 步：更省事的写法 —— 把按钮直接注册给扩展
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What is a good regular expression to match a URL? [duplicate]
...ure URL starts with HTTP/HTTPS:
https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)
If you do not require HTTP protocol:
[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)
To try this out see http://regex...