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Output to the same line overwriting previous output?

...o need to import the sys module for this sort of simple usage. print() actually has a number of keyword arguments which can be used to greatly simplify code. To use the same code on Python 2.6+, put the following line at the top of the file: from __future__ import print_function ...
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Python module for converting PDF to text [closed]

... updated again in version 20100213 You can check the version you have installed with the following: >>> import pdfminer >>> pdfminer.__version__ '20100213' Here's the updated version (with comments on what I changed/added): def pdf_to_csv(filename): from cStringIO import S...
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How to check if the string is empty?

... s.strip() allocates a new string, which is pure waste. Use string.isspace() – Clément Jun 22 at 15:27 add a ...
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Best practices for circular shift (rotate) operations in C++

...,7 which is slower and takes more bytes than rol edi,7 on some CPUs (especially AMD, but also some Intel), when BMI2 isn't available for rorx eax,edi,25 to save a MOV. MSVC: x86-64 CL19: Only recognized for constant-count rotates. (The wikipedia idiom is recognized, but the branch and AND aren't op...
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How to “EXPIRE” the “HSET” child key in redis?

I need to expire all keys in redis hash, which are older than 1 month. 11 Answers 11 ...
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How do I check for C++11 support?

...t have (partial) compiler-level support versus a standard C++ library with all the C++11 changes. So Boost's defines mentioned in another answer remain the only sane way to figure out if there is, for example, support for C++11 threads and other specific parts of the standard. ...
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How to move a model between two Django apps (Django 1.7)

So about a year ago I started a project and like all new developers I didn't really focus too much on the structure, however now I am further along with Django it has started to appear that my project layout mainly my models are horrible in structure. ...
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What is your favorite C programming trick? [closed]

... C99 offers some really cool stuff using anonymous arrays: Removing pointless variables { int yes=1; setsockopt(yourSocket, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)); } becomes setsockopt(yourSocket, SOL_SOCKET, SO_REUSEADDR...
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What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an

Following links explain x86-32 system call conventions for both UNIX (BSD flavor) & Linux: 4 Answers ...
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What is the best way to implement nested dictionaries?

I have a data structure which essentially amounts to a nested dictionary. Let's say it looks like this: 21 Answers ...