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How to get screen dimensions as pixels in Android

...ion. I ended up looking at his open source project that can be found here: https://code.google.com/p/enh/ Here's all the relevant code: WindowManager w = activity.getWindowManager(); Display d = w.getDefaultDisplay(); DisplayMetrics metrics = new DisplayMetrics(); d.getMetrics(metrics); // since S...
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Makefiles with source files in different directories

I have a project where the directory structure is like this: 10 Answers 10 ...
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Constructors in Go

... There are actually two accepted best practices: Make the zero value of your struct a sensible default. (While this looks strange to most people coming from "traditional" oop it often works and is really convenient). Provide a function func New() Your...
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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?

....org/pub/repos/apt/ utopic-pgdg main Follow below commands wget -q -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add - sudo apt-get update sudo apt-get install postgresql-9.4 sudo pg_dropcluster --stop 9.4 main sudo /etc/init.d/postgresql start Now we have everything, ...
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How to find elements by class

I'm having trouble parsing HTML elements with "class" attribute using Beautifulsoup. The code looks like this 16 Answers ...
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ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)

... If you are using ubuntu, you have to use the following steps to avoid this error(if there is no replication enabled): run the command vim /etc/mysql/my.cnf comment bind-address = 127.0.0.1 using the # symbol restart your mysql server once. Update In Step 1, if you cannot find b...
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Find (and kill) process locking port 3000 on Mac

How do I find (and kill) processes that listen to/use my tcp ports? I'm on mac os x. 31 Answers ...
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What is the difference between syntax and semantics in programming languages?

What is the difference between syntax and semantics in programming languages (like C, C++)? 10 Answers ...
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git:// protocol blocked by company, how can I get around that?

... diagnose this as the actual problem. Diagnosing the Problem References: https://superuser.com/q/621870/203918 and https://unix.stackexchange.com/q/11756/57414 There are several tools we can use to determine if the firewall causing our problem - use whichever is installed on your system. # Using...
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How to repeat last command in python interpreter shell?

How do I repeat the last command? The usual keys: Up, Ctrl+Up, Alt-p don't work. They produce nonsensical characters. 26 An...