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How to pass an array within a query string?
...a comma separated list of items:
let data = {
str: 'abc',
arr: ['abc', 123]
}
new URLSearchParams(data).toString(); // ?str=abc&arr=abc,123
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parseInt vs unary plus, when to use which?
... '~~x',
'x>>>0',
'isNaN(x)'
];
VALUES = [
'"123"',
'"+123"',
'"-123"',
'"123.45"',
'"-123.45"',
'"12e5"',
'"12e-5"',
'"0123"',
'"0000123"',
'"0b111"',
'"0o10"',
'"0xBABE"',
'"4294967295"',
'"1...
How to deal with floating point number precision in JavaScript?
...OfDecimals(Y) = ExpectedNumberOfDecimals. That is to say that if we have 0.123 * 0.12 then we know that there will be 5 decimal places because 0.123 has 3 decimal places and 0.12 has two. Thus if JavaScript gave us a number like 0.014760000002 we can safely round to the 5th decimal place without fea...
In JavaScript, does it make a difference if I call a function with parentheses?
...not using ()'s
Lets take this function for example:
function foo(){
return 123;
}
if you log "foo" - without ()
console.log(foo);
---outout------
function foo(){
return 123;
}
Using no () means to fetch the function itself. You would do this if you want it to be passed along as a callback.
if ...
Where do I find the definition of size_t?
...
123
From Wikipedia
The stdlib.h and stddef.h header files define a datatype called size_t1 which ...
MySQL IF NOT NULL, then display 1, else display 0
... c
LEFT JOIN addresses a ON c.customerid = a.customerid
WHERE customerid = 123
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How can I parse a time string containing milliseconds in it with python?
...ou're using 2.6 or 3.0, you can do this:
time.strptime('30/03/09 16:31:32.123', '%d/%m/%y %H:%M:%S.%f')
Edit: I never really work with the time module, so I didn't notice this at first, but it appears that time.struct_time doesn't actually store milliseconds/microseconds. You may be better off u...
SQLite - replace part of a string
...red Jan 25 '16 at 15:59
bugmenot123bugmenot123
1,32911 gold badge1414 silver badges2424 bronze badges
...
Test whether string is a valid integer
...of "+" (e.g. +30) which obviously is an integer.
Results:
$ int_check.sh 123
123 is an integer !!
$ int_check.sh 123+
ERROR: first parameter must be an integer.
$ int_check.sh -123
-123 is an integer !!
$ int_check.sh +30
+30 is an integer !!
$ int_check.sh -123c
ERROR: first parameter must be...
send/post xml file using curl command line
...lt;/Expiry_Date^> ^
^<VerificationStr2^>123^</VerificationStr2^> ^
^<CVD_Presence_Ind^>1^</CVD_Presence_Ind^> ^
^<Reference_No^>Some Reference Text^</Reference_No^> ^
^<Client_Email^>j...