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Differences between dependencyManagement and dependencies in Maven

What is the difference between dependencyManagement and dependencies ? I have seen the docs at Apache Maven web site. It seems that a dependency defined under the dependencyManagement can be used in its child modules without specifying the version. ...
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Match all elements having class name starting with a specific string [duplicate]

...te thing (probably because it looks so ugly.) What I -still- don't understand is this: According to the W3C page: w3schools.com/cssref/css_selectors.asp the syntax is: div[class*="test"] Yet, it -seems- to work like this, with no 'element' specified: [class*="test"] ...which I don't get...
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onActivityResult() & onResume() [duplicate]

...g you the requestCode you started it with, the resultCode it returned, and any additional data from it. The resultCode will be RESULT_CANCELED if the activity explicitly returned that, didn't return any result, or crashed during its operation. You will receive this call immediately b...
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Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop

...or blink browsers slice() is the fastest method, concat() is a bit slower, and while loop is 2.4x slower. for other browsers while loop is the fastest method, since those browsers don't have internal optimizations for slice and concat. This remains true in Jul 2016. Below are simple scripts that ...
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How do I consume the JSON POST data in an Express application

...See this answer which provides some guidance. If you are using valid JSON and are POSTing it with Content-Type: application/json, then you can use the bodyParser middleware to parse the request body and place the result in request.body of your route. var express = require('express') , app = exp...
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How to increase font size in a plot in R?

.... What is the right way to increase font size of text in the title, labels and other places of a plot? 7 Answers ...
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How do I get a Date without time in Java?

...me or the java.time package from Java 8 instead. In particular, while Date and Calendar always represent a particular instant in time, with no such concept as "just a date", Joda Time does have a type representing this (LocalDate). Your code will be much clearer if you're able to use types which rep...
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How to get element by class name? [duplicate]

...rrFromList = [].slice.call(y); As yckart suggested querySelector('.foo') and querySelectorAll('.foo') would be preferable, though, as they are, indeed, better supported (93.99% vs 87.24%), according to caniuse.com: querySelector(all) getElementsByClassName Don't use w3schools to learn something ...
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How to check if type of a variable is string?

... isinstance(s, basestring) basestring is the abstract superclass of str and unicode. It can be used to test whether an object is an instance of str or unicode. In Python 3.x, the correct test is isinstance(s, str) The bytes class isn't considered a string type in Python 3. ...
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What is the difference between HTML tags and ?

...uld like to ask for some simple examples showing the uses of <div> and <span> . I've seen them both used to mark a section of a page with an id or class , but I'm interested in knowing if there are times when one is preferred over the other. ...