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Is there an eval() function in Java? [duplicate]
...ngine engine = manager.getEngineByName("js");
Object result = engine.eval("4*5");
There may be a better way, but this one works.
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Mimicking sets in JavaScript?
...initialData) {
// Usage:
// new MiniSet()
// new MiniSet(1,2,3,4,5)
// new MiniSet(["1", "2", "3", "4", "5"])
// new MiniSet(otherSet)
// new MiniSet(otherSet1, otherSet2, ...)
this.data = {};
this.add.apply(this, arguments);
}
MiniSet.prototype = {
// usage:
...
Differences in boolean operators: & vs && and | vs ||
...e are the bitwise AND and bitwise OR operators.
int a = 6; // 110
int b = 4; // 100
// Bitwise AND
int c = a & b;
// 110
// & 100
// -----
// 100
// Bitwise OR
int d = a | b;
// 110
// | 100
// -----
// 110
System.out.println(c); // 4
System.out.println(d); // 6
Thanks to...
Explicit vs implicit SQL joins
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edited Mar 2 at 17:46
Stevoisiak
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What is a void pointer in C++? [duplicate]
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4 Answers
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How to insert a character in a string at a certain position?
... was suggested to use String for a better display output (instead of 1234.5 will be 1234.50 ). Therefore, I need a function that will take an int as parameter and return the properly formatted String with a decimal point 2 digits from the end.
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How to remove item from array by value? [duplicate]
...o happen.
– szanata
May 7 '13 at 12:46
25
@madeinstefano, one or two examples of the funny (bad) ...
How to pass a URI to an intent?
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LukapLukap
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Find a pair of elements from an array whose sum equals a given number
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edited Sep 12 at 14:53
hjpotter92
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Maximum number of threads per process in Linux?
...t /proc/sys/kernel/threads-max
The default is the number of memory pages/4. You can increase this like:
echo 100000 > /proc/sys/kernel/threads-max
There is also a limit on the number of processes (and hence threads) that a single user may create, see ulimit/getrlimit for details regarding t...