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Objective-C : BOOL vs bool

...You can use the (C99) bool type, but all of Apple's Objective-C frameworks and most Objective-C/Cocoa code uses BOOL, so you'll save yourself headache if the typedef ever changes by just using BOOL. share | ...
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Docker can't connect to docker daemon

...dd the user to the docker group. sudo usermod -aG docker $(whoami) Log out and log back in to ensure docker runs with correct permissions. Start docker. sudo service docker start Mac OS X As Dayel Ostraco says is necessary to add environments variables: docker-machine start # Start virtual machi...
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How to set NODE_ENV to production/development in OS X

...it in your runtime file, since it's not easy to open up VIM in your server and change it to production. You can make a config.json file in your directory and everytime your app runs, it reads from it and sets the configuration. ...
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Programmatically saving image to Django ImageField

Ok, I've tried about near everything and I cannot get this to work. 17 Answers 17 ...
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How to kill an Android activity when leaving it so that it cannot be accessed from the back button?

In an given Android activity, I would like to start a new activity for the user at some point. Once they leave the first activity and arrive at the second, the first activity is stale and I want to remove it completely so it can not be accessed again from the back button. ...
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Composer killed while updating

...out, don't forget to add sudo if you don't work as root. btw, feel free to select another location/filename/size for the file. /var is probably not the best place, but I don't know which place would be, and rarely care since tiny servers are mostly used for testing purposes. ...
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Proper stack and heap usage in C++?

I've been programming for a while but It's been mostly Java and C#. I've never actually had to manage memory on my own. I recently began programming in C++ and I'm a little confused as to when I should store things on the stack and when to store them on the heap. ...
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Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]

...your DB. It works by storing all the SQL request applied to the DB (except select of course) , and sending them to the server. It's great to manage deletion, but it's a little heavy if you have a lot of updates, and the server need to use the same SQL language... Another project from QuickConnect ...
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In Windows cmd, how do I prompt for user input and use the result in another command?

... set /p choice= "Please Select one of the above options :" echo '%choice%' The space after = is very important. share | improve this answer ...
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How can I find the version of the Fedora I use?

...on't work if anyone's changed the login banners … I typically edit mine, and so, it seems, do many (most) corporate IT departments... :-( – BRPocock Dec 2 '11 at 16:05 8 ...