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Python to print out status bar and percentage
...t progressbar
from time import sleep
bar = progressbar.ProgressBar(maxval=20, \
widgets=[progressbar.Bar('=', '[', ']'), ' ', progressbar.Percentage()])
bar.start()
for i in xrange(20):
bar.update(i+1)
sleep(0.1)
bar.finish()
To install it, you can use easy_install progressbar, or pip ...
Moving average or running mean
... works great.
mylist = [1, 2, 3, 4, 5, 6, 7]
N = 3
cumsum, moving_aves = [0], []
for i, x in enumerate(mylist, 1):
cumsum.append(cumsum[i-1] + x)
if i>=N:
moving_ave = (cumsum[i] - cumsum[i-N])/N
#can do stuff with moving_ave here
moving_aves.append(moving_ave)
...
How can I convert the “arguments” object to an array in JavaScript?
...
730
+100
ES6 usin...
Are “elseif” and “else if” completely synonymous?
...
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edited Sep 7 '10 at 20:40
answered Sep 7 '10 at 20:25
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Ruby max integer
...ts (integers small enough to store in a single machine word), you can call 0.size to get the number of bytes. I would guess it should be 4 on 32-bit builds, but I can't test that right now. Also, the largest Fixnum is apparently 2**30 - 1 (or 2**62 - 1), because one bit is used to mark it as an inte...
Test if something is not undefined in JavaScript
I'm checking if(response[0].title !== undefined) , but I get the error:
11 Answers
11...
What is the runtime performance cost of a Docker container?
...Docker container. I've found references to networking anecdotally being ~100µs slower .
3 Answers
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MongoDB副本集详解 优于以往的主从模式 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...g/downloads
实验环境使用的Mongodb版本为mongodb-linux-x86_64-2.6.0
由三台虚拟机搭建,配置为单核,1G内存。实验环境如下:
MongoDB的副本集不同于以往的主从模式。
在集群Master故障的时候,副本集可以自动投票,选举出新的Master,并...
Bootstrap full-width text-input within inline-form
...
102
The bootstrap docs says about this:
Requires custom widths Inputs, selects, and textareas a...
Which version of MVC am I using?
...ome reason, feeling a little dumb. How do I know? I'm using .net 4 with VS2010.
9 Answers
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