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Remove a prefix from a string [duplicate]
... return text # or whatever
As noted by @Boris and @Stefan, on Python 3.9+ you can use
text.removeprefix(prefix)
with the same behavior.
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Getting list of lists into pandas DataFrame
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3 Answers
3
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How to write multiple line string using Bash with variables?
...command used (echo) is wrong.
Correct would be:
#!/bin/bash
kernel="2.6.39"
distro="xyz"
cat >/etc/myconfig.conf <<EOL
line 1, ${kernel}
line 2,
line 3, ${distro}
line 4 line
...
EOL
cat /etc/myconfig.conf
This construction is referred to as a Here Document and can be found in the B...
How to get item's position in a list?
...in enumerate(testlist) if x == 1]
Example:
>>> testlist
[1, 2, 3, 5, 3, 1, 2, 1, 6]
>>> [i for i,x in enumerate(testlist) if x == 1]
[0, 5, 7]
Update:
Okay, you want a generator expression, we'll have a generator expression. Here's the list comprehension again, in a for loop...
How can I add new keys to a dictionary?
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3536
d = {'key': 'value'}
print(d)
# {'key': 'value'}
d['mynewkey'] = 'mynewvalue'
print(d)
# {'ke...
JavaScript “new Array(n)” and “Array.prototype.map” weirdness
I've observed this in Firefox-3.5.7/Firebug-1.5.3 and Firefox-3.6.16/Firebug-1.6.2
14 Answers
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Disable ALL CAPS menu items in Visual Studio 2013
In Visual Studio 2013, Microsoft again presents the menu in UPPERCASE as the default.
6 Answers
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How to check if a string is a valid hex color representation?
... -> match end
i -> ignore case
If you need support for 3-character HEX codes, use the following:
/^#([0-9A-F]{3}){1,2}$/i.test('#ABC')
The only difference here is that
[0-9A-F]{6}
is replaced with
([0-9A-F]{3}){1,2}
This means that instead of matching exactly 6 charact...
How do you get centered content using Twitter Bootstrap?
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23 Answers
23
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Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...1点的，你可以洗洗去睡了。很多公司都有做到第2点和第3点，这些公司的服务端程序基本已经跑了很长时间了，已比较稳定，确实无需花太多时间去关注。如果一个新产品，在上线初期，我觉得就有必要做到第4点。
日志怎么看...