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How to determine MIME type of file in android?

... First and foremost, you should consider calling MimeTypeMap#getMimeTypeFromExtension(), like this: // url = file path or whatever suitable URL you want. public static String getMimeType(String url) { String type = null; St...
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Defining a HTML template to append using JQuery

...of a templating engine in your project, such as: mustache underscore.js handlebars If you don't want to include another library, John Resig offers a jQuery solution, similar to the one below. Browsers and screen readers ignore unrecognized script types: <script id="hidden-template" type="...
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Choosing the best concurrency list in Java [closed]

...y thread pool has a fixed number of threads. These threads need to write and read from a shared list frequently. 6 Ans...
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Difference between UTF-8 and UTF-16?

Difference between UTF-8 and UTF-16? Why do we need these? 5 Answers 5 ...
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How can I confirm a database is Oracle & what version it is using SQL?

... an application. The user gets to select a datasource they have configured and nominate what type of database it is. I want to confirm that the database type is indeed Oracle, and if possible, what version of Oracle they are running by sending a SQL statement to the datasource. ...
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Loading/Downloading image from URL on Swift

...d an image from a URL in my application, so I first tried with Objective-C and it worked, however, with Swift, I've a compilation error: ...
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Understanding promises in Node.js

... Promises in node.js promised to do some work and then had separate callbacks that would be executed for success and failure as well as handling timeouts. Another way to think of promises in node.js was that they were emitters that could emit only two events: success and...
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How to hide command output in Bash

...gant for the end user. How do I hide the output when Bash is executing commands? 7 Answers ...
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How does the Comma Operator work

...itializers for symbol tables. Thus, it makes the following syntax possible and meaningful: keywords = "and", "or", "not", "xor"; Notice that due to operator precedence, the code is (intentionally!) identical to (((keywords = "and"), "or"), "not"), "xor"; That is, the first operator called is k...
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Why is printing “B” dramatically slower than printing “#”?

...terminal that attempts to do word-wrapping rather than character-wrapping, and treats B as a word character but # as a non-word character. So when it reaches the end of a line and searches for a place to break the line, it sees a # almost immediately and happily breaks there; whereas with the B, it ...