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Error Dropping Database (Can't rmdir '.test\', errno: 17)

Basically, I was taught on how to create a root password using the "mysqladmin -u root -p password" command, this was done all through the windows command editor. Now, the next process was to display the default databases (info. schema, mysql and test) which was achieved by using "SHOW DATABASES;" ...
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If Python is interpreted, what are .pyc files?

...'translated'. Python is then compiled to a bytecode. AFAIK, only Bash is really interpreted , all other popular "interpreted" languages are all compiled to a bytecode. – bfontaine Aug 6 '14 at 13:42 ...
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How do I animate constraint changes?

... Two important notes: You need to call layoutIfNeeded within the animation block. Apple actually recommends you call it once before the animation block to ensure that all pending layout operations have been completed You need to call it specifically on the ...
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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]

Tools such as MRTG provide network throughput / bandwidth graphs for the current network utilisation on specific interfaces, such as eth0. How can I return that information at the command line on Linux/UNIX? ...
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How to extract a git subdirectory and make a submodule out of it?

... Nowadays there's a much easier way to do it than manually using git filter-branch: git subtree Installation NOTE git-subtree is now part of git (if you install contrib) as of 1.7.11, so you might already have it installed. You may check by executing git subtree. To install...
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How can I return two values from a function in Python?

... two values, but you can return a tuple or a list and unpack it after the call: def select_choice(): ... return i, card # or [i, card] my_i, my_card = select_choice() On line return i, card i, card means creating a tuple. You can also use parenthesis like return (i, card), but tuples ar...
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How to change the Push and Pop animations in a navigation based app

...t common, everyday transitions (such as an ordinary slide), you do have to all the work of implementing a full custom transition. Here's how to do it ... 1. You need a custom UIViewControllerAnimatedTransitioning You need a bool of your own like popStyle . (Is it popping on, or popping off?) You m...
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When should I use Arrow functions in ECMAScript 6?

...licitly. Many Object.prototype definitions live in the global scope (think String.prototype.truncate etc.) and those generally have to be of type function anyway. Consistently using function on the global scope helps avoid errors. Many functions in the global scope are object constructors for old-st...
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What is Rack middleware?

...of them will do. Let's create a simple web application that returns a JSON string. For this we'll create a file called config.ru. The config.ru will automatically be called by the rack gem's command rackup which will simply run the contents of the config.ru in a rack-compliant webserver. So let's ad...
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Git: How to edit/reword a merge commit's message?

...t means that if you want to actually add a note to a merge, you have to do extra work. So people don't. Note that, before Git 2.17 (Q2 2018), "git rebase -p" mangled log messages of a merge commit, which is now fixed. See commit ed5144d (08 Feb 2018) by Gregory Herrero (``). Suggested-by: Vegar...