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Implements vs extends: When to use? What's the difference?
...Also java doesn't support multiple inheritance for classes. This is solved by using multiple interfaces.
public interface ExampleInterface {
public void doAction();
public String doThis(int number);
}
public class sub implements ExampleInterface {
public void doAction() {
//s...
Reading a List from properties file and load with spring annotation @Value
...Exception exception and not javax.el.ELException. Is your objected created by Spring?
– Wilhelm Kleu
Oct 25 '12 at 8:05
1
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emacs zoom in/zoom out
...increase or decrease the text scale without typing C-x C- again.
Addition by sawa
I looked up the function that was assigned to the keys mentioned, and found out that they are text-scale-increase and text-scale-decrease. I added the following to my configuration file so that I can do Ctrl+Scroll t...
warning: refname 'HEAD' is ambiguous
...it, thanks. Worth to note, the "HEAD" branch is created automatically, not by me. It contained a single merge commit and I failed to revert to a clean state using reflog. So, I renamed the branch, deleted it, rebased my "1 ahead" local master to the origin/master, pushed without a problem
...
Generate a Hash from string in Javascript
... @PeterAronZentai Why is it "unusable"? The output produced by the number-based code (hash * 31) + char is identical to the output produced by the shift-based code ((hash<<5)-hash)+char, even for very long strings (I've tested it with strings containing over a million characters...
angular.min.js.map not found, what is it exactly?
...
Monkey is right, according to the link given by monkey
Basically it's a way to map a combined/minified file back to an unbuilt state. When you build for production, along with minifying and combining your JavaScript files, you generate a source map which holds infor...
How to declare strings in C [duplicate]
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This link should satisfy your curiosity.
Basically (forgetting your third example which is bad), the different between 1 and 2 is that 1 allocates space for a pointer to the array.
But in the code, you can manipulate them as pointers all the same -- only thing, you cann...
Delete file from internal storage
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@user661543 What's full path returned by the ih.getImgPath()? What you'd passed as an argument to delete file? If the method above didn't work then most likely stored your file out of application package. Or you might have passed wrong file name as an argument.
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Show dialog from fragment?
... now the preferred method. You can avoid referencing the Activity entirely by using the putFragment and getFragment methods of FragmentManager, allowing the DialogFragment to report back directly to the calling fragment (even after orientation changes).
– Dave
...
Sublime Text 2 - Link with Editor / Show file in sidebar
...tive file without the need to press a shortcut.
– serby
Feb 20 '15 at 22:40
On macOS you might want to use the command...