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Pandas index column title or name
How do I get the index column name in python pandas? Here's an example dataframe:
9 Answers
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mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get t
...topic for MySQLi, but you may read about it in the article linked above).
What to do with the error message you get?
First of all you have to locate the problem query. The error message contains the file name and the line number of the exact spot where the error occurred. For the simple code that'...
Redirecting stdout to “nothing” in python
...isting of sufficiently large number of modules, each printing something to the standard output. Now as the project has grown in size, there are large no. of print statements printing a lot on the std out which has made the program considerably slower.
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Unicode character in PHP string
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Because JSON directly supports the \uxxxx syntax the first thing that comes into my mind is:
$unicodeChar = '\u1000';
echo json_decode('"'.$unicodeChar.'"');
Another option would be to use mb_convert_encoding()
echo mb_convert_encoding('က', ...
Ignore Typescript Errors “property does not exist on value of type”
In VS2013 building stops when tsc exits with code 1. This was not the case in VS2012.
10 Answers
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How to install Java 8 on Mac
I want to do some programming with the latest JavaFX, which requires Java 8. I'm using IntelliJ 13 CE and Mac OS X 9 Mavericks. I ran Oracle's Java 8 installer, and the files look like they ended up at
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How can I extract all values from a dictionary in Python?
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If you only need the dictionary keys 1, 2, and 3 use: your_dict.keys().
If you only need the dictionary values -0.3246, -0.9185, and -3985 use: your_dict.values().
If you want both keys and values use: your_dict.items() which returns a list...
How can I lookup a Java enum from its String value?
I would like to lookup an enum from its string value (or possibly any other value). I've tried the following code but it doesn't allow static in initialisers. Is there a simple way?
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FFmpeg C API documentation/tutorial [closed]
I am trying to find documentation to use the FFmpeg C API. It seems that only command line documentation is available.
5 An...
Concatenate a vector of strings/character
If I have a vector of type character, how can I concatenate the values into string? Here's how I would do it with paste() :
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