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How can I use goto in Javascript?
...lo, world! message to the JavaScript console 538 times, like this:
var i = 0;
[lbl] start:
console.log("Hello, world!");
i++;
if(i < 538) goto start;
You can read more about how goto is implemented, but basically, it does some JavaScript preprocessing that takes advantage of the fact that you ca...
How are msys, msys2, and msysgit related to each other?
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answered Jul 29 '14 at 19:40
Ray DonnellyRay Donnelly
3,43011 gold badge1313 silver badges1818 bronze badges
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How do I get ruby to print a full backtrace instead of a truncated one?
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10 Answers
10
Active
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What is the difference between declarative and imperative programming? [closed]
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809
A great C# example of declarative vs. imperative programming is LINQ.
With imperative programm...
Different types of thread-safe Sets in Java
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206
1) The CopyOnWriteArraySet is a quite simple implementation - it basically has a list of elemen...
Occurrences of substring in a string
...r = "helloslkhellodjladfjhello";
String findStr = "hello";
int lastIndex = 0;
int count = 0;
while(lastIndex != -1){
lastIndex = str.indexOf(findStr,lastIndex);
if(lastIndex != -1){
count ++;
lastIndex += findStr.length();
}
}
System.out.println(count);
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How can I temporarily disable a foreign key constraint in MySQL?
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10 Answers
10
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List comprehension: Returning two (or more) items for each item
...>>> list(chain.from_iterable((f(x), g(x)) for x in range(3)))
[2, 0, 3, 1, 4, 4]
Timings:
from timeit import timeit
f = lambda x: x + 2
g = lambda x: x ** 2
def fg(x):
yield f(x)
yield g(x)
print timeit(stmt='list(chain.from_iterable((f(x), g(x)) for x in range(3)))',
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Python: List vs Dict for look up table
I have about 10million values that I need to put in some type of look up table, so I was wondering which would be more efficient a list or dict ?
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Illegal string offset Warning PHP
I get a strange PHP error after updating my php version to 5.4.0-3.
16 Answers
16
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