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How to get the file extension in PHP? [duplicate]

...omething that's actually designed for what you want: pathinfo(): $path = $_FILES['image']['name']; $ext = pathinfo($path, PATHINFO_EXTENSION); share | improve this answer | ...
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What is the convention for word separator in Java package names?

... Packages The prefix of a unique package name is always written in all-lowercase ASCII letters and should be one of the top-level domain names, currently com, edu, gov, mil, net, org, or one of the English two-letter codes identifying countries as specified in ISO Standard 3166, 1981. S...
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Why does one use dependency injection?

...e virtual functions and interfaces (although I do once in a blue moon) and all my configuration is magically serialized into a class using json.net (sometimes using an XML serializer). ...
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?

...le is editor-agnostic beyond what you need, but not beyond what people actually use to edit C++. Hence "defensive". – Steve Jessop Aug 30 '12 at 10:11 ...
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Location of my.cnf file on macOS

... This thread on the MySQL forum says: By default, the OS X installation does not use a my.cnf, and MySQL just uses the default values. To set up your own my.cnf, you could just create a file straight in /etc. OS X provides example configuration files at /usr/local/mysql/support-files/...
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ImportError: No module named six

...rectory. import "six" module into your source code (import six) run source script. share | improve this answer | follow | ...
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Calculating sum of repeated elements in AngularJS ng-repeat

The script below displays a shop cart using ng-repeat . For each element in the array, it shows the item name, its amount and the subtotal ( product.price * product.quantity ). ...
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Quickly reading very large tables as dataframes

... MonetDB.R gives you a data type that pretends to be a data frame but is really a MonetDB underneath, increasing performance. Import data with its monetdb.read.csv function. dplyr allows you to work directly with data stored in several types of database. Storing data in binary formats can also be...
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The preferred way of creating a new element with jQuery

... I personally think that it's more important for the code to be readable and editable than performant. Whichever one you find easier to look at and it should be the one you choose for above factors. You can write it as: $('#box').ap...
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How do you sort a list in Jinja2?

...ilter allows you to specify an attribute to sort by: {% for movie in movie_list|sort(attribute='rating') %} See http://jinja.pocoo.org/docs/templates/#sort share | improve this answer | ...