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What is the easiest way to push an element to the beginning of the array?
...elf, moving other elements upwards.
And in use:
irb>> a = [ 0, 1, 2]
=> [0, 1, 2]
irb>> a.unshift('x')
=> ["x", 0, 1, 2]
irb>> a.inspect
=> "["x", 0, 1, 2]"
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Splitting String with delimiter
I am currently trying to split a string 1128-2 so that I can have two separate values. For example, value1: 1128 and value2: 2, so that I can then use each value separately. I have tried split() but with no success. Is there a specific way Grails handles this, or a better way of doing it?
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How do I forward parameters to other command in bash script?
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245
Use the shift built-in command to "eat" the arguments. Then call the child process and pass it...
How do I interpret precision and scale of a number in a database?
I have the following column specified in a database: decimal(5,2)
3 Answers
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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
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2 Answers
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Definition of a Balanced Tree
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124
The constraint is generally applied recursively to every subtree. That is, the tree is only bal...
Get JavaScript object from array of objects by value of property [duplicate]
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1243
Filter array of objects, which property matches value, returns array:
var result = jsObjects....
How to select .NET 4.5.2 as a target framework in Visual Studio
I have installed .NET Framework 4.5.2 on Windows 8.1. But in Visual Studio 2013 I do not see the .NET Framework 4.5.2 option (see screenshot). How do I target my project for .NET 4.5.2?
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How do I write data into CSV format as string (not file)?
I want to cast data like [1,2,'a','He said "what do you mean?"'] to a CSV-formatted string.
6 Answers
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src/lxml/etree_defs.h:9:31: fatal error: libxml/xmlversion.h: No such file or directory
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Install libxslt-devel & libxml2-devel using
sudo apt-get install libxml2-dev libxslt1-dev...