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Does Ruby have a string.startswith(“abc”) built in method?
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340
It's called String#start_with?, not String#startswith: In Ruby, the names of boolean-ish methods...
Example of UUID generation using Boost in C++
...; uuid << std::endl;
}
Example output:
7feb24af-fc38-44de-bc38-04defc3804de
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How do I delete a fixed number of rows with sorting in PostgreSQL?
...d IN (
SELECT ctid
FROM logtable
ORDER BY timestamp
LIMIT 10
)
The ctid is:
The physical location of the row version within its table. Note that although the ctid can be used to locate the row version very quickly, a row's ctid will change if it is updated or moved by VACUUM FU...
How do I sort an array of hashes by a value in the hash?
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Nowaker
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answered Jun 30 '10 at 23:29
Stéphan KochenSt...
Bundle ID Suffix? What is it?
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70
If you don't have a company, leave your name, it doesn't matter as long as both bundle id in inf...
CSS: How to have position:absolute div inside a position:relative div not be cropped by an overflow:
...#box2 { position: absolute }
#box3 { position: absolute; top: 10px }
/* Styling */
#box1 { background: #efe; padding: 5px; width: 125px }
#box2 { background: #fee; padding: 2px; width: 100px; height: 100px }
#box3 { background: #eef; paddi...
How can I filter lines on load in Pandas read_csv function?
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170
There isn't an option to filter the rows before the CSV file is loaded into a pandas object.
Y...
How to style the option of an html “select” element?
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edited Sep 30 '19 at 9:58
Jay
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Swift - How to convert String to Double
...e: The NSString doubleValue property is not recommended because it returns 0 if the value cannot be converted (i.e.: bad user input).
let lessPrecisePI = Float("3.14")
let morePrecisePI = Double("3.1415926536")
let invalidNumber = Float("alphabet") // nil, not a valid number
Unwrap the values to...
How to .gitignore files recursively
... to this answer. It also works for me in Windows 7 using Sourcetree 1.6.12.0 and the version of git that it installs (1.8.4-preview20130916).
To gitignore every file and folder under a directory recursively:
MyPrject/WebApp/Scripts/special/**
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