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How to get index of object by its property in JavaScript?
...ggest, looping through the array is probably the best way. But I would put it in it's own function, and make it a little more abstract:
function findWithAttr(array, attr, value) {
for(var i = 0; i < array.length; i += 1) {
if(array[i][attr] === value) {
return i;
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What's the difference between equal?, eql?, ===, and ==?
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I'm going to heavily quote the Object documentation here, because I think it has some great explanations. I encourage you to read it, and also the documentation for these methods as they're overridden in other classes, like String.
Side note: if you want to try these out for yourself on different o...
pythonic way to do something N times without an index variable?
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A slightly faster approach than looping on xrange(N) is:
import itertools
for _ in itertools.repeat(None, N):
do_something()
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Case insensitive 'in'
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edited Feb 11 at 14:36
answered Sep 2 '10 at 13:59
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What is your favorite C programming trick? [closed]
...ues) {
while(*values) {
x = *values++;
/* do whatever with x */
}
}
func((type[]){val1,val2,val3,val4,0});
Static linked lists
int main() {
struct llist { int a; struct llist* next;};
#define cons(x,y) (struct llist[]){{x,y}}
struct llist *list=cons(1, cons(2,...
Why does “return list.sort()” return None, not the list?
...verify that the findUniqueWords does result in a sorted list . However, it does not return the list. Why?
7 Answers
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What are good examples of genetic algorithms/genetic programming solutions? [closed]
Genetic algorithms (GA) and genetic programming (GP) are interesting areas of research.
34 Answers
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When does Java's Thread.sleep throw InterruptedException?
When does Java's Thread.sleep throw InterruptedException? Is it safe to ignore it? I am not doing any multithreading. I just want to wait for a few seconds before retrying some operation.
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How do I put variables inside javascript strings?
That's how you do it in python. How can you do that in javascript/node.js?
13 Answers
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Java's Virtual Machine and CLR
...etween MSIL and Java bytecode? , what is the (major) differences or similarity in how the Java Virtual Machine works versus how the .NET Framework Common Language Runtime (CLR) works?
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