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How do I retrieve the number of columns in a Pandas data frame?
... done. @PhilCooper perhaps you could explain why df.shape is better? my guess is that it does not call a function but just reads the attribute from memory?
– mkln
Nov 30 '13 at 18:59
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Why are C character literals ints instead of chars?
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using gcc on my MacBook, I try:
#include <stdio.h>
#define test(A) do{printf(#A":\t%i\n",sizeof(A));}while(0)
int main(void){
test('a');
test("a");
test("");
test(char);
test(short);
test(int);
test(long);
test((cha...
How do I write stderr to a file while using “tee” with a pipe?
...o redirect command's STDERR to the FIFO's input (tee's STDIN).
See http://mywiki.wooledge.org/BashGuide/InputAndOutput
Process substitution is one of those really lovely things you get as a bonus of choosing bash as your shell as opposed to sh (POSIX or Bourne).
In sh, you'd have to do things m...
`staticmethod` and `abc.abstractmethod`: Will it blend?
In my Python app I want to make a method that is both a staticmethod and an abc.abstractmethod . How do I do this?
4 Ans...
Stubbing a class method with Sinon.js
...ered Jan 12 '14 at 19:47
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Nested classes' scope?
I'm trying to understand scope in nested classes in Python. Here is my example code:
6 Answers
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How can I ignore a property when serializing using the DataContractSerializer?
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My domain layer didn't have the proper assembly reference, then I miss-read the documentation and ended up thinking it was a new feature of .NET 4.5. Tried to find back this thread to delete my comment without success (was in...
Pandas: Looking up the list of sheets in an excel file
...rd: 12 seconds
openpyxl: 24 seconds
Proposed method: 0.4 seconds
Since my requirement was just reading the sheet names, the unnecessary overhead of reading the entire time was bugging me so I took this route instead.
sha...
How do I set the path to a DLL file in Visual Studio?
I developed an application that depends on a DLL file. When I debug my application, the applicationwould complain that:
6...
How to re-sync the Mysql DB if Master and slave have different database incase of Mysql replication?
Mysql Server1 is running as MASTER .
Mysql Server2 is running as SLAVE .
14 Answers
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