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What's the u prefix in a Python string?
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You're right, see 3.1.3. Unicode Strings.
It's been the syntax since Python 2.0.
Python 3 made them redundant, as the default string type is Unicode. Versions 3.0 through 3.2 removed them, but they were re-added in 3.3+ for compatibility wi...
How to slice an array in Bash
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317
See the Parameter Expansion section in the Bash man page. A[@] returns the contents of the arr...
Ruby - elegantly convert variable to an array if not an array already
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153
[*foo] or Array(foo) will work most of the time, but for some cases like a hash, it messes it up...
When is “i += x” different from “i = i + x” in Python?
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3 Answers
3
Active
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Phonegap Cordova installation Windows
.../cordova is absolutely horrible. All I'm trying to do is install PhoneGap 3.0 on my Windows environment but having no success.
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Installing Python 3 on RHEL
I'm trying to install python3 on RHEL using the following steps:
19 Answers
19
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NULL values inside NOT IN clause
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Query A is the same as:
select 'true' where 3 = 1 or 3 = 2 or 3 = 3 or 3 = null
Since 3 = 3 is true, you get a result.
Query B is the same as:
select 'true' where 3 <> 1 and 3 <> 2 and 3 <> null
When ansi_nulls is on, 3 <> null is UNKNOWN,...
Insert a line at specific line number with sed or awk
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243
sed -i '8i8 This is Line 8' FILE
inserts at line 8
8 This is Line 8
into file FILE
-i doe...
Python Remove last 3 characters of a string
I'm trying to remove the last 3 characters from a string in python, I don't know what these characters are so I can't use rstrip , I also need to remove any white space and convert to upper-case
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How to check if two arrays are equal with JavaScript? [duplicate]
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C. Tewalt
2,02322 gold badges2323 silver badges4242 bronze badges
answered May 8 '13 at 9:22
enyoenyo
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