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SQL Query to concatenate column values from multiple rows in Oracle
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241
There are a few ways depending on what version you have - see the oracle documentation on stri...
How do I list all files of a directory?
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21 Answers
21
Active
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What's the best way to break from nested loops in JavaScript?
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Just like Perl,
loop1:
for (var i in set1) {
loop2:
for (var j in set2) {
loop3:
for (var k in set3) {
break loop2; // breaks out of loop3 and loop2
}
}
}
as defined in EMCA-262 section 12.12. [MDN Docs]
Unlike...
When should the volatile keyword be used in C#?
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276
I don't think there's a better person to answer this than Eric Lippert (emphasis in the origin...
How to sort with lambda in Python
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+200
Use
a = sorted(a, key=lambda x: x.modified, reverse=True)
# ^^^^
On Python 2.x, the sorted function takes its argumen...
#ifdef #ifndef in Java
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126
private static final boolean enableFast = false;
// ...
if (enableFast) {
// This is removed...
javascript check for not null
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edited Jul 26 '18 at 5:49
driftcatcher
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Macro vs Function in C
...* a
works fine when used with an integer:
square(5) --> 5 * 5 --> 25
but does very strange things when used with expressions:
square(1 + 2) --> 1 + 2 * 1 + 2 --> 1 + 2 + 2 --> 5
square(x++) --> x++ * x++ --> increments x twice
Putting parentheses around arguments helps b...
How to change file encoding in NetBeans?
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VladimirVladimir
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