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Adding a directory to the PATH environment variable in Windows
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Why are static variables considered evil?
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How can I create a temp file with a specific extension with .NET?
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@Pax: you have more chnace of winning the lottery 1000 times in a row than generating two idebtical guids. That's unique enough I guess...
– Mitch Wheat
Feb 24 '09 at 12:41
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What is this 'Lambda' everyone keeps speaking of?
...ut there are other higher order functions, like forEach, that perform much more useful tasks. For example filter:
var numbers = [1, 2, 3, 4];
var even = [];
// keep all even numbers from above array
for (var i=0; i<numbers.length; i++) {
if (numbers[i] % 2 === 0) {
even.push(numb...
Explain the use of a bit vector for determining if all characters are unique
...or allows writing a little bit less cryptic code instead plus it can store more flags.
For future reference: bit vector is also known as bitSet or bitArray. Here are some links to this data structure for different languages/platforms:
CPP: BitSet
Java: BitSet
C#: BitVector32 and BitArray
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C++ equivalent of StringBuffer/StringBuilder?
... way. On top of that it adds a bunch of redundant copy operations, and may more reallocations (hence calls to new/delete) since you are appending to a short string.
– BeeOnRope
Nov 18 '17 at 19:30
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How do I loop through a date range?
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How to check if array is empty or does not exist? [duplicate]
...air amount of attention, so I'd like to point out that my original answer, more than anything else, addressed the wrong order of the conditions being evaluated in the question. In this sense, it fails to address several scenarios, such as null values, other types of objects with a length property, e...
not:first-child selector
... first solution: caniuse.com/#feat=css-not-sel-list The second one sounded more reasonable for me. Thanks!
– iorrah
Jun 22 '18 at 13:17
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Guards vs. if-then-else vs. cases in Haskell
...l of a function, and this should generally be preferred, since you can add more cases more easily then:
abs n
| n < 0 = -n
| otherwise = n
case..of is for when you have multiple code paths, and every code path is guided by the
structure of a value, i.e. via pattern matching. You very...