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How do you validate a URL with a regular expression in Python?
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Which is faster : if (bool) or if(int)?
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answered Apr 23 '11 at 15:20
Sherm PendleySherm Pendley
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Date.getDay() javascript returns wrong day
...y getDay is an integer corresponding to the day of the week: 0 for Sunday, 1 for Monday, 2 for Tuesday, and so on.
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Why can't decimal numbers be represented exactly in binary?
... SO about floating-point representation. For example, the decimal number 0.1 doesn't have an exact binary representation, so it's dangerous to use the == operator to compare it to another floating-point number. I understand the principles behind floating-point representation.
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Bash script to receive and repass quoted parameters
... level of quoting at all. I.E. just call the above script like:
./test.sh 1 2 "3 4"
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Check if two lists are equal [duplicate]
...equality because Equals method checks for reference equality.
var a = ints1.SequenceEqual(ints2);
Or if you don't care about elements order use Enumerable.All method:
var a = ints1.All(ints2.Contains);
The second version also requires another check for Count because it would return true even i...
How do I change the IntelliJ IDEA default JDK?
...pt that in my poms I specify that the maven-compiler-plugin should use JDK 1.6, and when I import, IDEA informs me that the Language Level Changed and that Language level changes will take effect on project reload , and then prompts to reload the project. This is annoying because I always use th...
What is “lifting” in Scala?
... i > 0 => i % 2 == 0}
pf: PartialFunction[Int,Boolean] = <function1>
scala> pf.lift
res1: Int => Option[Boolean] = <function1>
scala> res1(-1)
res2: Option[Boolean] = None
scala> res1(1)
res3: Option[Boolean] = Some(false)
Methods
You can "lift" a method invocatio...
Linux bash: Multiple variable assignment
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First thing that comes into my mind:
read -r a b c <<<$(echo 1 2 3) ; echo "$a|$b|$c"
output is, unsurprisingly
1|2|3
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