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Method Overloading for null argument
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Java will always try to use the most specific applicable version of a method that's available (see JLS §15.12.2).
Object, char[] and Integer can all take null as a valid value. Therefore all 3 version are applicable, so Java will have to find the most specific one...
Git - deleted some files locally, how do I get them from a remote repository
...st need to extract the content you want from the repo at your fingertips.
If you haven't committed the deletion, just check out the files from your current commit:
git checkout HEAD <path>
If you have committed the deletion, you need to check out the files from a commit that has them. Pres...
How to implement a ViewPager with different Fragments / Layouts
...lements viewpager, the viewpager created various fragments. I want to use different layouts for each fragment, but the problem is that viewpager shows only two layouts at the max (second layout on all of the remaining fragments after 1).
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How can bcrypt have built-in salts?
...rom the input password, cost and salt. Encrypt the same well-known string. If the generated cipher text matches the stored cipher text, the password is a match.
Bcrypt operates in a very similar manner to more traditional schemes based on algorithms like PBKDF2. The main difference is its use of a ...
How to add multiple objects to ManyToMany relationship at once in Django ?
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If you look at the manager it just does a for loop over the objects and calls save on them.
– Sam Dolan
Jul 9 '11 at 5:33
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Android: When should I use a Handler() and when should I use a Thread?
...works fine.
Creating a Handler and running it works as well.
What's the difference? When should I use each one?
What are the advantages / reasons to use a Handler and not a Thread ?
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NSDefaultRunLoopMode vs NSRunLoopCommonModes
... main thread) there is an option to start the thread in a run loop or not. If the thread runs some sort or long-running operation without interaction with external events and without timers, you do not need a run loop, but if your thread needs to respond to incoming events, it should be attached to ...
Size of character ('a') in C/C++
...lue). In C++, the type is char, with size of 1. This is one of many small differences between the two languages.
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Git commit date
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To get the commit without its diff, use log -1 instead of show.
– Josh Lee
Sep 28 '10 at 16:42
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Android dismiss keyboard
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You want to disable or dismiss a virtual Keyboard?
If you want to just dismiss it you can use the following lines of code in your button's on click Event
InputMethodManager imm = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(...