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Why do we usually use || over |? What is the difference?

... 4 is 1/true). If the thing you're getting from a function is actually an error code and you're testing for non-0-ness, this can matter quite a lot. This isn't as much of an issue in Java where you have to explicitly typecast to boolean or compare with 0 or the like, but in other languages with si...
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return statement vs exit() in main()

... abort() exits with error condition (non-zero exit code) and may be even a core. If you need to exit w/o calling static destructors, use _exit . – user3458 Jan 20 '09 at 14:46 ...
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How do I keep the screen on in my App? [duplicate]

...Don't Use Wake Lock. It requires permission and other stuff and may cause error if you forget to set it in right time. The easiest way is to use the below code when you want to keep your screen on.. getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); One addition to the answ...
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Filtering by Multiple Specific Model Properties in AngularJS (in OR relationship)

...ots of nested stuff, mapping everything can be confusing / easy to make an error. +1 though for a great solution for basic needs...wish this wasn't so complicated to filter for only a few properties instead of all! :/ ...maybe in the future Angular could add some built in functionality for filters o...
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How to move files from one git repo to another (not a clone), preserving history

... @mcarans Getting the following error: fatal: Couldn't find remote ref repo-B-branch on applying in step 4 of Stage Three, git pull repo-A-branch repo-B-branch --allow-unrelated-histories But repo-B-branch is present in repo B – Kaush...
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How can I set the Secure flag on an ASP.NET Session Cookie?

...your (server-level) configuration. I brought the Test Region down with the error "The application is configured to issue secure cookies. These cookies require the browser to issue the request over SSL (https protocol). However, the current request is not over SSL." This was because we have a reverse...
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What is java interface equivalent in Ruby?

... a class in Ruby that implements (enough of) IO, but I did it by trial and error and wasn't too happy with the process. I've also written multiple implementations of an interface of my own, but documenting which methods are required and what they are supposed to do so that other members of my team ...
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Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL

...r field representation to a date you can use: select date(substring('2011/05/26 09:00:00' from 1 for 10)); Test code: create table test_table (timestamp_field timestamp); insert into test_table (timestamp_field) values(current_timestamp); select timestamp_field, date(timestamp_field) from test_t...
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What is the maximum length of a valid email address?

...tely, in his attempt to clarify the situation, Klensin included some gross errors that were corrected in the Errata. But nobody reads the errata so RFC 3693 ends up being very unhelpful, ironically. – Dominic Sayers Feb 12 '14 at 7:17 ...
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How can I extract audio from video with ffmpeg?

...g.exe Issue your command and wait for the output file (or troubleshoot any errors) share | improve this answer | follow | ...