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How to count certain elements in array?
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Very simple:
var count = 0;
for(var i = 0; i < array.length; ++i){
if(array[i] == 2)
count++;
}
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json_encode sparse PHP array as JSON array, not JSON object
...bserving this behaviour because your array is not sequential - it has keys 0 and 2, but doesn't have 1 as a key.
Just having numeric indexes isn't enough. json_encode will only encode your PHP array as a JSON array if your PHP array is sequential - that is, if its keys are 0, 1, 2, 3, ...
You can ...
Script parameters in Bash
...n the variables $1 and $2 and $3 where the number refers to the argument. $0 is the command itself.
The arguments are seperated by spaces, so if you would provide the -from and -to in the command, they will end up in these variables too, so for this:
./ocrscript.sh -from /home/kristoffer/test.png ...
Getting assembly name
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edited Nov 24 '10 at 11:58
icecrime
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How to center horizontally div inside parent div
...sides to automatically fit. This centers the div.
div#child {
margin: 0 auto;
}
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How to change ViewPager's page?
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answered Sep 16 '11 at 14:40
Mark AllisonMark Allison
21.2k88 gold badges4242 silver badges4545 bronze badges
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Order data frame rows according to vector with specific order
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answered Aug 15 '12 at 21:03
EdwardEdward
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Scroll back to the top of scrollable div
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210
var myDiv = document.getElementById('containerDiv');
myDiv.innerHTML = variableLongText;
myDiv.s...
Using .sort with PyMongo
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207
sort should be a list of key-direction pairs, that is
db.test.find({"number": {"$gt": 1}}).sor...
Could not load file or assembly 'System.Web.Http 4.0.0 after update from 2012 to 2013
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answered Mar 7 '14 at 20:31
PathoschildPathoschild
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