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Why is === faster than == in PHP?
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Because the equality operator == coerces, or converts, the data type temporarily to see if it’s equal to the other operand, whereas === (the identity operator) doesn’t need to do any converting whatsoever and thus less work is done, which makes it faster.
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std::string to float or double
I'm trying to convert std::string to float/double .
I tried:
15 Answers
15
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mongodb/mongoose findMany - find all documents with IDs listed in array
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@chovy try converting them to ObjectIds first, instead of passing strings.
– Georgi Hristozov
Dec 2 '14 at 15:28
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How to output numbers with leading zeros in JavaScript [duplicate]
...tart
You're asking for zero padding? Not really rounding. You'll have to convert it to a string since numbers don't make sense with leading zeros. Something like this...
function pad(num, size) {
var s = num+"";
while (s.length < size) s = "0" + s;
return s;
}
Or if you know you'...
What is the use of the @Temporal annotation in Hibernate?
...ion is not specified in core Java APIs. @Temporal is a JPA annotation that converts back and forth between timestamp and java.util.Date. It also converts time-stamp into time. For example, in the snippet below, @Temporal(TemporalType.DATE) drops the time value and only preserves the date.
@Temporal...
How to make the tab character 4 spaces instead of 8 spaces in nano?
... with a language like python (as in your example) it's also a good idea to convert tabs to spaces.
Edit your ~/.nanorc file (or create it) and add:
set tabsize 4
set tabstospaces
If you already got a file with tabs and want to convert them to spaces i recommend the expandcommand (shell):
expand...
What does ^M character mean in Vim?
... text file is - file.txt, then run this command -
dos2unix file.txt
It converts the text file from dos to unix format.
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Is there any way to use a numeric type as an object key?
... that when I use a numeric type as a key name in an object, it always gets converted to a string. Is there anyway to actually get it to store as a numeric? The normal typecasting does not seem to work.
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What's the best CRLF (carriage return, line feed) handling strategy with Git?
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Don't convert line endings. It's not the VCS's job to interpret data -- just store and version it. Every modern text editor can read both kinds of line endings anyway.
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How to parse a date? [duplicate]
.../Kolkata" ) );
zdtKolkata : 2009-06-19T06:26:02+05:30[Asia/Kolkata]
Convert to j.u.Date
If you really need a java.util.Date object for use with classes not yet updated to the java.time types, convert. Note that you are losing the assigned time zone, but have the same moment automatically adj...