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What is the most efficient way to create a dictionary of two pandas Dataframe columns?

What is the most efficient way to organise the following pandas Dataframe: 4 Answers 4...
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File content into unix variable with newlines

... newlines are replaced with spaces is not entirely to do with the echo command, rather it's a combination of things. When given a command line, bash splits it into words according to the documentation for the IFS variable: IFS: The Internal Field Separator that is used for word splitting after ...
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Difference between objectForKey and valueForKey?

What is the difference between objectForKey and valueForKey ? I looked both up in the documentation and they seemed the same to me. ...
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In c++ what does a tilde “~” before a function name signify?

...scription from ibm.com: Destructors are usually used to deallocate memory and do other cleanup for a class object and its class members when the object is destroyed. A destructor is called for a class object when that object passes out of scope or is explicitly deleted. See https://www.ibm.com/sup...
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How should I edit an Entity Framework connection string?

... than delete it), saved the app.config changes, right-clicked the designer and chose Update Model From Database. The wizard then let me include the sensitive info (uid & pwd) in the connection string. Thanks! – DeveloperDan Mar 14 '11 at 15:41 ...
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Is there a PHP function that can escape regex patterns before they are applied?

... string $str [, string $delimiter = NULL ] ) preg_quote() takes str and puts a backslash in front of every character that is part of the regular expression syntax. This is useful if you have a run-time string that you need to match in some text and the string may contain special r...
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MySQL: Order by field size/length

... postfix: "", imageUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
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How to use shell commands in Makefile

I'm trying to use the result of ls in other commands (e.g. echo, rsync): 2 Answers 2...
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How do you set the text in an NSTextField?

I'm trying to set the text in an NSTextField, but the -setStringValue: and -setTitleWithMnemonic: methods are not working. Any ideas? ...
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Have a fixed position div that needs to scroll if content overflows

...d this for an adaptation of a Codrops article. Some might need to use left and right set to 0 also. Thank a lot, luck – Santiago Baigorria Oct 14 '13 at 18:56 20 ...