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what exactly is device pixel ratio?
this is mentioned every article about mobile web, but nowhere I can found an explanation of what exactly does this attribute measure.
Can anyone please elaborate what does queries like this check?
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JavaScript: Check if mouse button down?
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Regarding Pax' solution: it doesn't work if user clicks more than one button intentionally or accidentally. Don't ask me how I know :-(.
The correct code should be like that:
var mouseDown = 0;
document.body.onmousedown = function() {
++mouseDown;
}
document.body.onmouseup = function()...
Plot smooth line with PyPlot
... will not work if the T is not sorted. And also if the functiton(T) is not one-to-one.
– Rahat Zaman
Feb 22 '19 at 1:23
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How to calculate the SVG Path for an arc (of a circle)
...00,200), radius 25, how do I draw an arc from 270 degree to 135 degree and one that goes from 270 to 45 degree?
13 Answers
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Convert camelCaseText to Sentence Case Text
...this function remove special characters like ä and converts them to ASCII ones (a in this case)
– collerek
Mar 27 at 13:53
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What is the difference between partitioning and bucketing a table in Hive ?
...ntry or department . For a faster query response Hive table can be PARTITIONED BY (country STRING, DEPT STRING). Partitioning tables changes how Hive structures the data storage and Hive will now create subdirectories reflecting the partitioning structure like
.../employees/country=ABC/DEPT=XYZ.
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push multiple elements to array
I'm trying to push multiple elements as one array, but getting error
9 Answers
9
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how can I see what ports mongo is listening on from mongo shell?
... will give you all the arguments passed on the command line (argv) and the ones from the config file (parsed) and you can infer the ports mongod is listening based on that information. Here's an example:
db.serverCmdLineOpts()
{
"argv" : [
"./mongod",
"-replSet",
"test"...
SimpleTest vs PHPunit
I was wondering if anyone that has experience in both this stuff can shed some light on the significant difference between the two if any?
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Rails “validates_uniqueness_of” Case Sensitivity
...t."
See also this programmer's experience with validates_uniqueness_of.
One way this commonly happens is accidental double-submissions from a web page when creating a new account. This is a hard one to solve because what the user will get back is the second (ugly) error and it will make them thi...