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What is “callback hell” and how and why does RX solve it?
... in an async setting? If my code is fully sychronous (ie. no concurrency) then "callback hell" can not occur if I understand your answer correctly, is that right?
– jhegedus
Aug 2 '14 at 19:04
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Why would I want stage before committing in Git?
...can git add just that file (or git add -p to add just part of a file!) and then commit that bugfix before committing everything else. If you are using git commit -a then you are just forcing an add of everything right before the commit. Don't use -a if you want to take advantage of staging files.
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How do the post increment (i++) and pre increment (++i) operators work in Java?
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++a increments and then uses the variable.
a++ uses and then increments the variable.
If you have
a = 1;
and you do
System.out.println(a++); //You will see 1
//Now a is 2
System.out.println(++a); //You will see 3
codaddict explains you...
How to quickly open a file in Visual Studio 2012
... typing Ctrl + D (or whatever shortcut assigned) to go to Find tool, and then type >of myfile.cs , the file will be opened then, and it is even more convenient that this will do an incremental search of the file name. In the whole procedure I don't need to use mouse at all.
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Equation for testing if a point is inside a circle
...center_y)
R = radius
If a point is more likely to be outside this circle then imagine a square drawn around it such that it's sides are tangents to this circle:
if dx>R then
return false.
if dy>R then
return false.
Now imagine a square diamond drawn inside this circle such tha...
Which is more efficient: Multiple MySQL tables or one large table?
...the table scan takes longer.
If you have lots of records in other tables, then increase in the table scan can overweight benefits of the records being scanned sequentially.
Maintenance hell, on the other hand, is guaranteed.
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Why is JavaScript called JavaScript, since it has nothing to do with Java? [closed]
...cript, was originally named Mocha, later it was renamed to LiveScript, and then to JavaScript.
The LiveScript to JavaScript name change came because Netscape and Sun did a license agreement.
The language was then submitted for standarization to the ECMA International Organization. By that time, Ne...
How do I create a new class in IntelliJ without using the mouse?
...ert (New...).
You can also do it from the Navigation Bar, press Alt+Home, then choose package with arrow keys, then press Alt+Insert.
Another useful shortcut is View | Select In (Alt+F1), Project (1), then Alt+Insert to create a class near the existing one or use arrow keys to navigate through the...
How do I “un-revert” a reverted Git commit?
Given a change that has been committed using commit , and then reverted using revert , what is the best way to then undo that revert?
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Git in Visual Studio - add existing project?
...assuming Git is set up for you, you can go to menu View → Team Explorer, then double click the repository for your project file, and make your initial commit (making sure to add whatever files you'd like).
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