大约有 44,500 项符合查询结果（耗时：0.0434秒） [XML]
Changing one character in a string
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scvalexscvalex
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Find value in an array
... array, and if that's the case, you can use Array#include?(value):
a = [1,2,3,4,5]
a.include?(3) # => true
a.include?(9) # => false
If you mean something else, check the Ruby Array API
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Grid of responsive squares
... with CSS. I will explain how in a step by step process but first here are 2 demos of what you can achieve :
Grid of square images
Grid of squares with content
Now let's see how to make these fancy responsive squares!
1. Making the responsive squares :
The trick for keeping elements squ...
Nested JSON objects - do I have to use arrays for everything?
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204
You don't need to use arrays.
JSON values can be arrays, objects, or primitives (numbers or s...
Rename specific column(s) in pandas
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edited May 23 '17 at 12:34
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answered Nov 3 '13 at 21:32
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Optimal way to concatenate/aggregate strings
...lly before concatenation).
I've quickly tested the solution on SQL Server 2012 with the following data:
INSERT dbo.SourceTable (ID, Name)
VALUES
(1, 'Matt'),
(1, 'Rocks'),
(2, 'Stylus'),
(3, 'Foo'),
(3, 'Bar'),
(3, 'Baz')
The query result:
ID FullName
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split string only on first instance - java
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289
string.split("=", 2);
As String.split(java.lang.String regex, int limit) explains:
The a...
What is the preferred syntax for defining enums in JavaScript?
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Iterate a list with indexes in Python
... 19] and makes it into iterable list of tuples, like so: [(0,3), (1,7), (2,19)] to use it instead of:
6 Answers
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