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Delete directory with files in it?
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In order to remove all files from a folder, not only the ones with extensions, use glob in the following way: array_map('unlink', glob("$dirname/*")); This still doesn't allow you to delete directories nested in the folder.
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How to use PHP OPCache?
...e is compiled by default on PHP5.5+. However it is disabled by default. In order to start using OpCache in PHP5.5+ you will first have to enable it. To do this you would have to do the following.
Add the following line to your php.ini:
zend_extension=/full/path/to/opcache.so (nix)
zend_extension=C...
Open a buffer as a vertical split in VIM
.../bufname>
For this, I've added the following mappings to my ~/.vimrc (order of mappings represents the above list of desired windows)
nnoremap <leader>b :ls<cr>:b<space>
nnoremap <leader>v :ls<cr>:vsp<space>\|<space>b<space>
nnoremap <lead...
JUnit vs TestNG [closed]
...c annotated method that it finds will be used, but it may find them in any order. This causes us to write different classes unnecessarily. However TestNG provides clean way to provide different kind of data providers for each and every method. So we can test the same unit of code with valid and inva...
How to deserialize a list using GSON or another JSON library in Java?
... etc. If you call them an UnsupportedOperationException will be thrown.
In order to get real ArrayList instance you need to write something like this:
List<Video> = new ArrayList<>(Arrays.asList(videoArray));
s...
Can someone give an example of cosine similarity, in a very simple, graphical way?
...similar these texts are, purely in terms of word counts (and ignoring word order). We begin by making a list of the words from both texts:
me Julie loves Linda than more likes Jane
Now we count the number of times each of these words appears in each text:
me 2 2
Jane 0 1
Julie 1 ...
How to show a GUI message box from a bash script in linux?
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I don't like programs that need to open the display in order to print the help message...
– thoni56
Nov 11 '16 at 12:09
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How to RSYNC a single file?
...--include "*/" --include "filename" --exclude "*" .
Keep in mind that the order of --include and --exclude matters.
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Which UUID version to use?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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jQuery .hasClass() vs .is()
...ay 'not a huge difference, my point is that you need to do 10000 cycles in order to see 0.8s of a difference. I'd be surprised to see a web application such that switching from is to hasClass would see a significant improvement in over all performance. However, I grant that this is a 35% improvement...