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Shell command to sum integers, one per line?
I am looking for a command that will accept (as input) multiple lines of text, each line containing a single integer, and output the sum of these integers.
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Python dictionary: Get list of values for list of keys
Is there a built-in/quick way to use a list of keys to a dictionary to get a list of corresponding items?
11 Answers
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What APIs are used to draw over other apps (like Facebook's Chat Heads)?
How does Facebook create the Chat Heads on Android? What is the API to create the floating views on top of all other views?
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How to hide reference counts in VS2013?
Visual Studio 2013 introduced a new feature where it shows you how many times each of your methods are used.
5 Answers
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GPL and LGPL open source licensing restrictions [closed]
I am having trouble understanding the usage permissions of open source. I read somewhere that GPL or LGPL enforces that software that uses GPL software must also be released open-source. I want to create an application that uses some open-source image recognition library. Can I sell this application...
How to convert a SVG to a PNG with ImageMagick?
I have a SVG file that has a defined size of 16x16. When I use ImageMagick's convert program to convert it into a PNG, then I get a 16x16 pixel PNG which is way too small:
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Is there a list of screen resolutions for all Android based phones and tablets? [closed]
If not, is there a list of screen resolutions for the most popular Android phones and tablets.
7 Answers
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rake db:schema:load vs. migrations
Very simple question here - if migrations can get slow and cumbersome as an app gets more complex and if we have the much cleaner rake db:schema:load to call instead, why do migrations exist at all?
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How does this milw0rm heap spraying exploit work?
I usually do not have difficulty to read JavaScript code but for this one I can’t figure out the logic. The code is from an exploit that has been published 4 days ago. You can find it at milw0rm .
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For homebrew mysql installs, where's my.cnf?
For homebrew mysql installs, where's my.cnf? Does it install one?
13 Answers
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