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Random hash in Python
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131
A md5-hash is just a 128-bit value, so if you want a random one:
import random
hash = random...
How to hide the keyboard when I press return key in a UITextField?
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12 Answers
12
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How to make a query with group_concat in sql server [duplicate]
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159
Query:
SELECT
m.maskid
, m.maskname
, m.schoolid
, s.schoolname
, maskd...
Multiprocessing - Pipe vs Queue
...e between similar tests using Pipe() and Queue()... This is on a ThinkpadT61 running Ubuntu 11.10, and Python 2.7.2.
FYI, I threw in results for JoinableQueue() as a bonus; JoinableQueue() accounts for tasks when queue.task_done() is called (it doesn't even know about the specific task, it just cou...
How to use string.replace() in python 3.x
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edited May 25 at 16:17
Boris
4,69255 gold badges4242 silver badges5252 bronze badges
answered F...
How do you check that a number is NaN in JavaScript?
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edited May 23 '17 at 11:47
Community♦
111 silver badge
answered Apr 16 '10 at 10:58
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How to set iPhone UIView z index?
...w atIndex:(NSInteger)index;
- (void)exchangeSubviewAtIndex:(NSInteger)index1 withSubviewAtIndex:(NSInteger)index2;
- (void)addSubview:(UIView *)view;
- (void)insertSubview:(UIView *)view belowSubview:(UIView *)siblingSubview;
- (void)insertSubview:(UIView *)view aboveSubview:(UIView *)siblingSubvie...
Find out if string ends with another string in C++
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214
Simply compare the last n characters using std::string::compare:
#include <iostream>
bo...
How to output a multiline string in Bash?
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311
Here documents are often used for this purpose.
cat << EOF
usage: up [--level <n>|...
Large, persistent DataFrame in pandas
...lution is to read the file in smaller pieces (use iterator=True, chunksize=1000) then concatenate then with pd.concat. The problem comes in when you pull the entire text file into memory in one big slurp.
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