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Sort a text file by line length including spaces
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Answer
cat testfile | awk '{ print length, $0 }' | sort -n -s | cut -d" " -f2-
Or, to do your original (perhaps unintentional) sub-sorting of any equal-length lines:
cat testfile | awk '{ print length, $0 }' | sort -n | cut -d" " -f2...
Detect IF hovering over element with jQuery
...ntentional behaviour as we thought in the previous point.
If you want to test this in a particular jQuery version, just open the JSFidlle example at the beginning of this answer, change to the desired jQuery version and click "Run". If the colour changes on hover, it works.
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Edit 3 (March 9, 20...
Javascript calculate the day of the year (1 - 366)
...r. The above solution is better and is faster. Here is a variation of it I tested on jsPerf jsperf.com/date-getdayofyear-perf
– Shyam Habarakada
Dec 11 '14 at 18:39
...
How do I localize the jQuery UI Datepicker?
...xt/javascript">
$(document).ready(function() {
console.log("test");
$("#test").datepicker({
dateFormat: "dd.m.yy",
minDate: 0,
showOtherMonths: true,
firstDay: 1
});
});
</script>
</head>
<body>
<h1&...
Count how many records are in a CSV Python?
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2018-10-29 EDIT
Thank you for the comments.
I tested several kinds of code to get the number of lines in a csv file in terms of speed. The best method is below.
with open(filename) as f:
sum(1 for line in f)
Here is the code tested.
import timeit
import csv
import p...
Replace values in list using Python [duplicate]
...
This might help...
test_list = [5, 8]
test_list[0] = None
print test_list
#prints [None, 8]
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Removing colors from output
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This one (of the many I tested) worked with Ansible output that had been run with unbuffer.
– Martin
Nov 8 '18 at 20:39
add ...
How do I get a background location update every n minutes in my iOS application?
...he three allowed types of background execution.
Note: I lost some time by testing this in the simulator where it doesn't work. However, it works fine on my phone.
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How can I scale the content of an iframe?
...efore the frame</p>
<div id="wrap">
<iframe id="frame" src="test2.html"></iframe>
</div>
<p>Some text after the frame</p>
</body>
Note: I had to use the wrap element for Firefox. For some reason, in Firefox when you scale the object down by 75%, it s...
How can I check if a background image is loaded?
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A comparison between this test and this one shows that you have to call .remove() on $('<img/>') object to avoid a memory leak. You should see a stable memory consumption on the first test and a memory increase on the second one. After few hour...