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Get list from pandas DataFrame column headers
...returns an array and this has a helper function .tolist to return a list.
If performance is not as important to you, Index objects define a .tolist() method that you can call directly:
my_dataframe.columns.tolist()
The difference in performance is obvious:
%timeit df.columns.tolist()
16.7 µs ...
angular.min.js.map not found, what is it exactly?
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As eaon21 and monkey said, source map files basically turn minified code into its unminified version for debugging.
You can find the .map files here. Just add them into the same directory as the minified js files and it'll stop complaining. The reason they get fetched is the
/*
//@ so...
How does one make a Zip bomb?
...n the compressed archive (and putting more nested archives in the archive, if the compression algorithm has a total size limitation) allows you to bypass these limits.
– Blixt
Sep 22 '09 at 12:15
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“SetPropertiesRule” warning message when starting Tomcat from Eclipse [duplicate]
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Correct answer, never 'ignore' warnings if at all possible. Ignore enough warnings, some day they'll cause you to miss a REAL problem.
– Manius
Oct 18 '10 at 1:38
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What is the effect of extern “C” in C++?
...pe information to the name used for linkage.
Just so you know, you can specify extern "C" linkage to each individual declaration/definition explicitly or use a block to group a sequence of declarations/definitions to have a certain linkage:
extern "C" void foo(int);
extern "C"
{
void g(char);
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Git push error: Unable to unlink old (Permission denied)
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Also keep in mind that if you still have the file opened this error will appear as well. Had the same error and that was why i was not able to push my changes in.
– Matias
Nov 3 '16 at 14:05
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Conventions for exceptions or error codes
...ult behaviour of an exception is to unwind the stack and stop the program, if I'm writing a script an and I go for a key that's not in a dictionary it's probably an error, and I want the program to halt and let me know all about that.
If, however, I'm writing a piece of code which I must know the ...
How to define an enumerated type (enum) in C?
...IMMEDIATE;
It's a style question whether you prefer typedef. Without it, if you want to refer to the enumeration type, you need to use enum strategy. With it, you can just say strategy.
Both ways have their pro and cons. The one is more wordy, but keeps type identifiers into the tag-namespace whe...
SQLiteDatabase.query method
...as in SELECT * FROM ...
new String[] { "column1", "column2", ... } for specific columns as in SELECT column1, column2 FROM ... - you can also put complex expressions here:
new String[] { "(SELECT max(column1) FROM table1) AS max" } would give you a column named max holding the max value of column1
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How do I clear/delete the current line in terminal?
If I'm using terminal and typing in a line of text for a command, is there a hotkey or any way to clear/delete that line?
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