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What's the difference between an id and a class?
What's the difference between <div class=""> and <div id=""> when it comes to CSS? Is it alright to use <div id=""> ?
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Jackson JSON custom serialization for certain fields
...lic static void main(String... args) throws Exception {
Person p = new Person("Joe", 25, 123);
ObjectMapper mapper = new ObjectMapper();
System.out.println(mapper.writeValueAsString(p));
// {"name":"Joe","age":25,"favoriteNumber":"123"}
}
}
...
How can you sort an array without mutating the original array?
...l = function(e) {
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
...
How to change menu item text dynamically in Android
I'm trying to change the title of a menu item from outside of the onOptionsItemSelected(MenuItem item) method.
11 Answers...
REST API Login Pattern
...nception (for example JavaScript). Secret cryptographic key should be provided by server to client as resource, and client uses it to calculate hash code for every request.
There are a lot of examples of HMAC implementations, but I'd like you to pay attention to the following three:
Authenticati...
What does the @ symbol represent in objective-c?
...ther to generate GC write barriers.
Other exceptions are in, out, inout, oneway, byref, and bycopy; these are used as storage class annotations on method parameter and return types to make Distributed Objects more efficient. (They become part of the method signature available from the runtime, whi...
Hiding elements in responsive layout?
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New visible classes added to Bootstrap
Extra small devices
Phones (<768px) (Class names : .visible-xs-block, hidden-xs)
Small devices
Tablets (≥768px) (Class names : .visible-sm-block, hidden-sm)
Medium devices
Deskto...
What does FrameLayout do?
I'm new to programming. I was using Graphical Layout then when I was reading xml file, I saw FrameLayout. Then I searched, but I couldn't find something useful. What is FrameLayout and what does it do?
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Rebasing and what does one mean by rebasing pushed commits
...en you rebase stuff, you’re
abandoning existing commits and
creating new ones that are similar but
different. If you push commits
somewhere and others pull them down
and base work on them, and then you
rewrite those commits with git rebase
and push them up again, your
collaborators...
I want my android application to be only run in portrait mode?
...owManager.LayoutParams.FLAG_FULLSCREEN);
DisplayMetrics metrics = new DisplayMetrics();
this.activity.getWindowManager().getDefaultDisplay().getMetrics(metrics);
// Test if it is VISUAL in portrait mode by simply checking it's size
boolean bIsVisualPortrait = ( met...