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How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
...expr != -1, only broken*
It works because JavaScript bitwise operations convert the operands to 32-bit signed integers in two's complement format. Thus !!~-1 is evaluated as follows:
-1 = 1111 1111 1111 1111 1111 1111 1111 1111b // two's complement representation of -1
~-1 = 0000 0000 0000 ...
How to convert a LocalDate to an Instant?
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In a unit test I am writing, I have a LocalDate, that is converted to a com.google.protobuf.Timestamp and then mapped back to a LocalDate via an Instant, both ways. When using the approach the accepted answer suggests, I get the expected LocalDate in return, but using this approa...
Convert SVG to image (JPEG, PNG, etc.) in the browser
I want to convert SVG into bitmap images (like JPEG, PNG, etc.) through JavaScript.
9 Answers
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Convert dmesg timestamp to custom date format
I am trying to understand the dmesg timestamp and find it hard to convert that to change it to java date/custom date format.
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Converting string to Date and DateTime
...in the format of mm-dd-YYYY (for example, 10-16-2003), how do I properly convert that to a Date and then a DateTime in the format of YYYY-mm-dd ? The only reason I ask for both Date and DateTime is because I need one in one spot, and the other in a different spot.
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Convert a Unix timestamp to time in JavaScript
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function timeConverter(UNIX_timestamp){
var a = new Date(UNIX_timestamp * 1000);
var months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
var year = a.getFullYear();
var month = months[a.getMonth...
How do you convert a time.struct_time object into a datetime object?
How do you convert a Python time.struct_time object into a datetime.datetime object?
3 Answers
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How to split a delimited string in Ruby and convert it to an array?
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the simplest way to convert a string that has a delimiter like a comma is just to use the split method
"1,2,3,4".split(',') # "1", "2", "3", "4"]
you can find more info on how to use the split method in the ruby docs
Divides str into su...
Converting an array to a function arguments list [duplicate]
Is it possible to convert an array in JavaScript into a function argument sequence? Example:
5 Answers
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How to convert “camelCase” to “Camel Case”?
...?![A-Z]))(?=\S)/g, ' $1').replace(/^./, s => s.toUpperCase() ); It will convert userID to User ID, and it will even convert userIDField to User ID Field
– Eugene Mala
Dec 1 '19 at 14:28
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