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Why don't they teach these things in school? [closed]
...learned a lot (probably more than I've learned in the sum of all my university coursework). I'm really wondering why they don't teach a few of the things I learned sooner in school though. To name a few:
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Is it possible to use the instanceof operator in a switch statement?
I have a question of using switch case for instanceof object:
24 Answers
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How to show a confirm message before delete?
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Write this in onclick event of the button:
var result = confirm("Want to delete?");
if (result) {
//Logic to delete the item
}
share
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Best ways to teach a beginner to program? [closed]
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I've had to work with several beginner (never wrote a line of code) programmers, and I'll be doing an after school workshop with high school students this fall. This is the closest thing I've got to documentation. It's still a work in progress...
Fast way of counting non-zero bits in positive integer
I need a fast way to count the number of bits in an integer in python.
My current solution is
9 Answers
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Why can't I save CSS changes in Firebug? [closed]
Firebug is the most convenient tool I've found for editing CSS - so why isn't there a simple "save" option for CSS?
23 Answ...
How do I initialize a TypeScript object with a JSON object
...t ways. They are by no means "complete" and as a disclaimer, I don't think it's a good idea to do it like this. Also the code isn't too clean since I just typed it together rather quickly.
Also as a note: Of course deserializable classes need to have default constructors as is the case in all other...
Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
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Here's a summary of Dimitris Andreou's link.
Remember sum of i-th powers, where i=1,2,..,k. This reduces the problem to solving the system of equations
a1 + a2 + ... + ak = b1
a12 + a22 + ... + ak2 = b2
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a1k + a2k + ... + akk = bk
Using Ne...
Change private static final field using Java reflection
I have a class with a private static final field that, unfortunately, I need to change it at run-time.
11 Answers
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What does 'public static void' mean in Java?
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It's three completely different things:
public means that the method is visible and can be called from other objects of other types. Other alternatives are private, protected, package and package-private. See here for more d...