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How can I quickly sum all numbers in a file?
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For a Perl one-liner, it's basically the same thing as the awk solution in Ayman Hourieh's answer:
% perl -nle '$sum += $_ } END { print $sum'
If you're curious what Perl one-liners do, you can deparse them:
% perl -MO=Deparse -nle '$sum += $_ } END { print $sum'
Th...
How to truncate milliseconds off of a .NET DateTime
I'm trying to compare a time stamp from an incoming request to a database stored value. SQL Server of course keeps some precision of milliseconds on the time, and when read into a .NET DateTime, it includes those milliseconds. The incoming request to the system, however, does not offer that precisio...
How do I compare two DateTime objects in PHP 5.2.8?
Having a look on the PHP documentation, the following two methods of the DateTime object would both seem to solve my problem:
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Determine which element the mouse pointer is on top of in JavaScript
...at we need is to find the x and y coords of the mouse and then call it using those values:
var x = event.clientX, y = event.clientY,
elementMouseIsOver = document.elementFromPoint(x, y);
document.elementFromPoint
jQuery event object
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JavaScript blob filename without link
How do you set the name of a blob file in JavaScript when force downloading it through window.location?
8 Answers
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Difference between File.separator and slash in paths
What is the difference between using File.separator and a normal / in a Java Path-String?
14 Answers
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ADB Android Device Unauthorized
Since I reinstalled Eclipse (simply deleted and downloaded it again) I can't debug my applications on Samsung Galaxy i9001 (with CyanogenMod - Android 4.4.2). It worked fine before reinstallation.
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Easy way to turn JavaScript array into comma-separated list?
I have a one-dimensional array of strings in JavaScript that I'd like to turn into a comma-separated list. Is there a simple way in garden-variety JavaScript (or jQuery) to turn that into a comma-separated list? (I know how to iterate through the array and build the string myself by concatenation if...
Regex select all text between tags
What is the best way to select all the text between 2 tags - ex: the text between all the 'pre' tags on the page.
17 Answe...
Is it possible to change the textcolor on an Android SearchView?
The SearchView element doesn't have any properties for changing the text color. The default text color is black and doesn't work on our dark background. Is there a way to change the color of the text without resorting to hacks?
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