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#ifdef #ifndef in Java
...with "final" modifier Java compiler itself solves the problem. Because it knows in advance what would be the result of testing this condition.
For example this code:
boolean flag1 = true;
boolean flag2 = false;
int j=0;
for(int i=0;i<1000000000;i++){
if(flag1)
...
How to unit test abstract classes: extend with stubs?
... then become implementations of this new interface.
This means you can now test your previously abstract class using a mock instance of the new interface, and each new implementation through the now public interface. Everything is simple and testable.
Solution For 2
If you have the second si...
How do I push a local repo to Bitbucket using SourceTree without creating a repo on bitbucket first?
...c key you copied in step 4 of the previous section
That's it! You should now be able to push/pull to your BitBucket private repos. Your keys aren't just for Git either, many services use ssh keys to identify users, and the best part is you only need one. If you ever lose your keys (e.g. when chang...
How to convert a DOM node list to an array in Javascript?
...obj[i];
}
return array;
}
UPDATE:
As other answers suggest, you can now can use in modern environments the spread syntax or the Array.from method:
const array = [ ...nodeList ] // or Array.from(nodeList)
But thinking about it, I guess the most common use case to convert a NodeList to an Ar...
When to use virtual destructors?
...Here, you'll notice that I didn't declare Base's destructor to be virtual. Now, let's have a look at the following snippet:
Base *b = new Derived();
// use b
delete b; // Here's the problem!
Since Base's destructor is not virtual and b is a Base* pointing to a Derived object, delete b has undefin...
How to parse XML in Bash?
...call will return a non-zero status because we've reached the end of file.
Now his while loop cleaned up a bit to match the above:
while read_dom; do
if [[ $ENTITY = "title" ]]; then
echo $CONTENT
exit
fi
done < xhtmlfile.xhtml > titleOfXHTMLPage.txt
The first line j...
How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
...
Minor update: brew now also has the option to use brew services stop postgresql and brew services start postgresql instead of directly calling launchctl unload and launchctl load.
– florish
Mar 1 '17 at 15...
How to change fontFamily of TextView in Android
...wn TypeFace but all I need is something different from what it shows right now.
37 Answers
...
How do I check that a Java String is not all whitespaces?
...
This is now incorrect. StringUtils.isEmpty will now return false if you pass in " ".
– James Spence
May 30 '17 at 20:25
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How to handle many-to-many relationships in a RESTful API?
...registered in league yet
POST /players
# from payload you get back the id, now place it officially to team 1
PUT /teams/1/players/44
As you see I don't use POST for placing players to teams but PUT, which handles your n:n relationship of players and teams better.
...