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How to implement a unique index on two columns in rails
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What is the difference between origin and upstream on GitHub?
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How to add semicolon after method call when inside parameter list in IntelliJ IDEA?
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edited Dec 16 '19 at 13:38
agilob
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Convert to binary and keep leading zeros in Python
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Use the format() function:
>>> format(14, '#010b')
'0b00001110'
The format() function simply formats the input following the Format Specification mini language. The # makes the format include the 0b prefix, and the 010 size formats the output to fit in 10 chara...
Appending to an existing string
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165
You can use << to append to a string in-place.
s = "foo"
old_id = s.object_id
s <<...
What's the difference between F5 refresh and Shift+F5 in Google Chrome browser?
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201
It ignores the cached content when refreshing...
https://support.google.com/a/answer/3001912?hl...
Can I use twitter bootstrap without jquery?
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edited Aug 17 '17 at 19:26
answered Jan 30 '13 at 16:23
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String.replaceAll without RegEx
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190
Just use String.replace(CharSequence,CharSequence) rather than replaceAll.
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Breakpoints are crossed out, how can I make them valid?
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edited Feb 4 '14 at 14:19
lhan
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