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Printing Lists as Tabular Data
I am quite new to Python and I am now struggling with formatting my data nicely for printed output.
13 Answers
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How to keep index when using pandas merge
... 4 NaN
Note that for some left merge operations, you may end up with more rows than in a when there are multiple matches between a and b. In this case, you may need to drop duplicates.
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MySQL check if a table exists without throwing an exception
... best way to check if a table exists in MySQL (preferably via PDO in PHP) without throwing an exception. I do not feel like parsing the results of "SHOW TABLES LIKE" et cetera. There must be some sort of boolean query?
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Catch a thread's exception in the caller thread in Python
I'm very new to Python and multithreaded programming in general. Basically, I have a script that will copy files to another location. I would like this to be placed in another thread so I can output .... to indicate that the script is still running.
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Attach a file from MemoryStream to a MailMessage in C#
I am writing a program to attach a file to email. Currently I am saving file using FileStream into disk, and then I use
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Can the C# interactive window interact with my code?
...Windows > C# Interactive,
Then just right click your project and run Initialize Interactive with Project from the context menu.
For older versions:
To use the C# Interactive Window with your code, ensure you first compile your code, then add a reference to the resulting assembly with the #r ...
Add line break within tooltips
How can line breaks be added within a HTML tooltip?
27 Answers
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Is 1.0 a valid output from std::generate_canonical?
I always thought random numbers would lie between zero and one, without 1 , i.e. they are numbers from the half-open interval [0,1). The documention on cppreference.com of std::generate_canonical confirms this.
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Block Comments in a Shell Script
...D'
bla bla
blurfl
END
echo after comment
The ' and ' around the END delimiter are important, otherwise things inside the block like for example $(command) will be parsed and executed.
For an explanation, see this and this question.
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Check that an email address is valid on iOS [duplicate]
...lterString : laxString;
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
return [emailTest evaluateWithObject:checkString];
}
Discussion on Lax vs. Strict - http://blog.logichigh.com/2010/09/02/validating-an-e-mail-address/
And because categories ar...