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UPDATE multiple tables in MySQL using LEFT JOIN
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319
UPDATE t1
LEFT JOIN
t2
ON t2.id = t1.id
SET t1.col1 = newvalue
WHERE t2.id...
PowerShell: Store Entire Text File Contents in Variable
...ldsmanojlds
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Appropriate datatype for holding percent values?
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133
Assuming two decimal places on your percentages, the data type you use depends on how you plan ...
Difference between GeoJSON and TopoJSON
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3 Answers
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Count number of matches of a regex in Javascript
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/*
* Example
*/
const count = (str) => {
const re = /[a-z]{3}/g
return ((str || '').match(re) || []).length
}
const str1 = 'abc, def, ghi'
const str2 = 'ABC, DEF, GHI'
console.log(`'${str1}' has ${count(str1)} occurrences of pattern '/[a-z]{3}/g'`)
console.log(`'${str2}' ...
Gem::LoadError for mysql2 gem, but it's already in Gemfile
...ith rails 4.1.5) try using this version of mysql2:
gem 'mysql2', '~> 0.3.18'
Apparently mysql2 isn't still compatible with newer version of rails because rails 4.2.4 is pretty new as the time of answering this question by me 8 September 2015 so use the above line in your Gem file and run:
bu...
How to force IntelliJ IDEA to reload dependencies from build.sbt after they changed?
I'm using IntelliJ IDEA 13 (Community Edition) with the Scala plugin.
6 Answers
6
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Difference between timestamps with/without time zone in PostgreSQL
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3 Answers
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git diff between cloned and original remote repository
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3 Answers
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