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Bootstrap 3 breakpoints and media queries

... Bootstrap 4 Media Queries // Extra small devices (portrait phones, less than 576px) // No media query since this is the default in Bootstrap // Small devices (landscape phones, 576px and up) @media (min-width: 576px) { ... } // Medium devices (tablets,...
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Splitting a string into chunks of a certain size

Suppose I had a string: 36 Answers 36 ...
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What is the concept of erasure in generics in Java?

...mpiler generates extra casts where necessary. At execution time, a List<String> and a List<Date> are exactly the same; the extra type information has been erased by the compiler. Compare this with, say, C#, where the information is retained at execution time, allowing code to contain e...
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Why does one use dependency injection?

...meStuff() { // Do something with B here } } public static void Main(string[] args) { A a = new A(); a.DoSomeStuff(); } you write code like this: public class A { private B b; public A(B b) { // A now takes its dependencies as arguments this.b = b; // look ma, no "new"! } ...
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How to export and import a .sql file from command line with options? [duplicate]

...atabase server, replace localhost hostname with with actual server name or IP address as follows: $ mysql -u username -p -h 202.54.1.10 databasename < data.sql To export a database, use the following: mysqldump -u username -p databasename > filename.sql Note the < and > symbols in ...
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Create a “with” block on several context managers? [duplicate]

...u acquire via context manager, for instance A lock, a db connection and an ip socket. You can acquire them by: 5 Answers ...
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Download data url file

I'm playing with the idea of making a completely JavaScript-based zip/unzip utility that anyone can access from a browser. They can just drag their zip directly into the browser and it'll let them download all the files within. They can also create new zip files by dragging individual files in. ...
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Generating a random & unique 8 character string using MySQL

... This problem consists of two very different sub-problems: the string must be seemingly random the string must be unique While randomness is quite easily achieved, the uniqueness without a retry loop is not. This brings us to concentrate on the uniqueness first. Non-random uniqueness c...
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Receive JSON POST with PHP

... but it isn't in the json. EDIT Maybe also worth trying to echo the json string from php://input. echo file_get_contents('php://input'); share | improve this answer | fol...
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How to pass optional arguments to a method in C++?

... Can you pls provide some example related to string ? – Swapnil Gupta Sep 24 '10 at 4:20 ...