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Create an array with same element repeated multiple times
In Python, where [2] is a list, the following code gives this output:
25 Answers
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联网 App 入门专题：5 课从共享留言到带图商品墙（附 .aia 源码与服务端） ...
...个专题用最短的路径把这件事讲通：
服务端只有一个 Python 文件，不用装数据库，双击就能在自己电脑上运行，见《网络微数据库后台搭建教程》。
App 只用原生组件：网络微数据库存数据，Web 客户端传图片，不需要拓展。...
An error occurred while signing: SignTool.exe not found
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I am a fairy experienced programmer in Java and Python. I needed to compile a C# project in VS2015 for my own use. This is the only solution I could understand (with the help of Google) on this page.
– chiffa
Aug 25 '15 at 16:17
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Simple regular expression for a decimal with a precision of 2
...left it as [0-9] as I think it's easier to read.
Also, here is the simple Python script I used to check it:
import re
deci_num_checker = re.compile(r"""^[0-9]+(\.[0-9]{1,2})?$""")
valid = ["123.12", "2", "56754", "92929292929292.12", "0.21", "3.1"]
invalid = ["12.1232", "2.23332", "e666.76"]
ass...
How can I strip first and last double quotes?
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Lots of Pythonistas have similar reactions to REs, which are really unjustified -- REs are quite speedy. Plus, the solution you "prefer", as posted, does something completely different (removes first and last char only if both are d...
How to show multiline text in a table cell
...eded to do the same thing! Don't ask why but I was generating a html using python and needed a way to loop through items in a list and have each item take on a row of its own WITHIN A SINGLE CELL of a table.
I found that the br tag worked well for me. For example:
<!DOCTYPE html>
<HTML&g...
Replacing blank values (white space) with NaN in pandas
... The reference to "basestring" in the code above will not work in Python 3.... in that case, try using "str" instead.
– Spike Williams
Feb 9 '15 at 20:39
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Is Java really slow?
...tc.) can beat it; however, Java can be more than 10x as fast as PHP, Ruby, Python, etc. There are specific areas where it can beat common compiled languages (if they use standard libraries).
There is no excuse for "slow" Java applications now. Developers and legacy code/libraries are to blame, far ...
How do I clear/delete the current line in terminal?
... echo 'set editing-mode vi' >> ~/.inputrc. Also works in places like python interpreter prompts and some SQL clients
– dwurf
Oct 13 '14 at 0:12
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How to continue a task when Fabric receives an error
...h as a remote program returning a nonzero return value or your fabfile’s Python code encountering an exception, execution will halt immediately.
This is typically the desired behavior, but there are many exceptions to the rule, so Fabric provides env.warn_only, a Boolean setting. It defaults to Fa...