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What column type/length should I use for storing a Bcrypt hashed password in a Database?
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a 53 characters long base-64-encoded value (they use the alphabet ., /, 0–9, A–Z, a–z that is different to the standard Base 64 Encoding alphabet) consisting of:
22 characters of salt (effectively only 128 bits of the 132 decoded bits)
31 characters of encrypted output (effectively only 18...
Using awk to print all columns from the nth to the last
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will print all but very first column:
awk '{$1=""; print $0}' somefile
will print all but two first columns:
awk '{$1=$2=""; print $0}' somefile
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How to convert JSON to CSV format and store in a variable
...thout any framework:
var json = json3.items
var fields = Object.keys(json[0])
var replacer = function(key, value) { return value === null ? '' : value }
var csv = json.map(function(row){
return fields.map(function(fieldName){
return JSON.stringify(row[fieldName], replacer)
}).join(',')
})
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Convert String to Float in Swift
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200
Swift 2.0+
Now with Swift 2.0 you can just use Float(Wage.text) which returns a Float? type....
Can you control how an SVG's stroke-width is drawn?
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10 Answers
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In C# what is the difference between a destructor and a Finalize method in a class?
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answered Jul 2 '09 at 22:30
Mehrdad AfshariMehrdad Afshari
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How to specify function types for void (not Void) methods in Java8?
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edited Nov 6 '18 at 21:00
answered Jan 15 '13 at 13:01
E...
What does it mean if a Python object is “subscriptable” or not?
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edited Apr 2 at 14:10
BiAiB
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answered Oct 1...
Re-ordering columns in pandas dataframe based on column name [duplicate]
I have a dataframe with over 200 columns. The issue is as they were generated the order is
11 Answers
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close vs shutdown socket?
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edited Feb 14 at 9:08
red0ct
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answered Nov...