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How can I remove 3 characters at the end of a string in php?

... Thanks for contributing an answer to Stack Overflow!Please be sure to answer the question. Provide details and share your research!But avoid …Asking for help, clarification, or responding to other answers.Making statements based o...
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How can I make pandas dataframe column headers all lowercase?

...ata.columns = map(str.lower, data.columns) or data.columns = [x.lower() for x in data.columns] example: >>> data = pd.DataFrame({'A':range(3), 'B':range(3,0,-1), 'C':list('abc')}) >>> data A B C 0 0 3 a 1 1 2 b 2 2 1 c >>> data.columns = map(str.lower, ...
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How do I interactively unstage a particular hunk in git?

...the opposite of git add --patch, according to the documentation. The short form -p also works for both commands. share | improve this answer | follow | ...
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For files in directory, only echo filename (no path)

... about echoing only the filename of a file if I iterate a directory with a for loop? 5 Answers ...
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Indentation in Go: tabs or spaces?

...ventions document somewhere that sets whether tabs or spaces are preferred for indentation in Go source code? If not, what is the (statistically) more popular option? ...
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How to append multiple values to a list in Python

...o so, such as manually input the values, or put the append operation in a for loop, or the append and extend functions. ...
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The type must be a reference type in order to use it as parameter 'T' in the generic type or method

...re that T : class - you need to propagate that to make the compiler happy, for example (hard to say for sure without a repro example): public class Derived<SomeModel> : Base<SomeModel> where SomeModel : class, IModel ^^...
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How can I see the specific value of the sql_mode?

... It's only blank for you because you have not set the sql_mode. If you set it, then that query will show you the details: mysql> SELECT @@sql_mode; +------------+ | @@sql_mode | +------------+ | | +------------+ 1 row in set (0...
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How do I add a ToolTip to a control?

I have some controls that I would like to display a ToolTip for when the mouse is hovering over it. How can I do this? I would like to know how to do this properly in code, but also in the designer (There is a ToolTip component in the toolbox, but I don't quite.. get it). ...
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What does “Splats” mean in the CoffeeScript tutorial?

...dopted Ruby-style splats very early on (see issue 16), but at Douglas Crockford's suggestion, the syntax was changed from *x to x... a couple of weeks later (see issue 45). Nevertheless, CoffeeScripters still refer to the syntax as the "splat" or "splat operator." As to what they actually do, splat...