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Why are preprocessor macros evil and what are the alternatives?
...o 'begin' and show where begin is defined.
– kirbyfan64sos
Mar 5 '15 at 20:50
5
Macros are hard t...
How to find Unused Amazon EC2 Security groups
... database.
-- MySQL dump 10.13 Distrib 5.5.41, for debian-linux-gnu (x86_64)
--
-- Host: localhost Database: aws_security_groups
-- ------------------------------------------------------
-- Server version 5.5.40-log
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 S...
Escape double quotes in parameter
...t work for me, but \ did, per this answer: stackoverflow.com/questions/2403647/…
– kalenjordan
Aug 16 '12 at 22:05
27
...
How can I profile Python code line-by-line?
... def demo_func(a,b):
2 1 248.0 248.0 64.8 print(a+b)
3 1 40.0 40.0 10.4 print(a)
4 1 94.0 94.0 24.5 print(a*b)
5 1 1.0 1.0 0.3 return a/b
...
Is it safe to parse a /proc/ file?
...l-space buffer during a single read.
I tested that with a program using a 64K read buffer but it results in a kernel space buffer of 3072 bytes in my system for proc_read to return data. Multiple calls with advancing pointers are needed to get more than that much text returned. I don't know what ...
Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
...dist( X, Y, **kwargs )
d = np.empty( (X.shape[0], Y.shape[0]), np.float64 )
if sxy == 2:
for j, x in enumerate(X):
d[j] = cdist( x.todense(), Y, **kwargs ) [0]
elif sxy == 1:
for k, y in enumerate(Y):
d[:,k] = cdist( X, y.todense(), **kwargs ) [0]
...
deciding among subprocess, multiprocessing, and thread in Python?
...
64
multiprocessing is a great Swiss-army knife type of module. It is more general than threads, a...
What specific productivity gains do Vim/Emacs provide over GUI text editors?
...
Brian CarperBrian Carper
64.9k2525 gold badges154154 silver badges164164 bronze badges
...
How do I give text or an image a transparent background using CSS?
...cannot add to this conversation at this time.
– user664833
Feb 27 '14 at 19:41
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show 4 more comments
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How can I declare and use Boolean variables in a shell script?
...
64
Use arithmetic expressions.
#!/bin/bash
false=0
true=1
((false)) && echo false
((tru...