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Contains method for a slice
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Mostafa has already pointed out that such a method is trivial to write, and mkb gave you a hint to use the binary search from the sort package. But if you are going to do a lot of such contains checks, you might also consider using a map instead.
It's trivial to check if a specific map key exist...
How to extract the n-th elements from a list of tuples?
...: 1.32586884499
So over twice as fast if you have a 2 tuple pair to just convert to a dict and take the values.
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Java synchronized static methods: lock on object or class
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Please answer Elaborate so that everyone can understand.
– Madhu
Sep 2 '09 at 4:49
6
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How to generate random number in Bash?
How to generate a random number within a range in Bash?
17 Answers
17
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Print PHP Call Stack
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If you want to generate a backtrace, you are looking for debug_backtrace and/or debug_print_backtrace.
The first one will, for instance, get you an array like this one (quoting the manual) :
array(2) {
[0]=>
array(4) {
["file"] => string(10) "/tmp/a.php"
["line"] => int(10)
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How do I decompile a .NET EXE into readable C# source code?
...ctor will allow to see the source code. FileDisassembler will allow you to convert it into a VS solution.
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How to get the last N records in mongodb?
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If I understand your question, you need to sort in ascending order.
Assuming you have some id or date field called "x" you would do ...
.sort()
db.foo.find().sort({x:1});
The 1 will sort ascending (oldest to newest) and -1 will so...
How to render a DateTime object in a Twig template
...e at all, because a __toString() method would need to know which format to convert the DateTime object to, and there are probably hundreds of possible formats out there. Of course, in PHP you can use the format() method on a DateTime object, which takes a format argument, and the date filter is simp...
How to download a file from a URL in C#?
... Though I think that WebClient seems like a much more straightforward and simple solution.
– StormsEngineering
Oct 1 '19 at 23:17
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What are all the different ways to create an object in Java?
...ambdas (essentially concise anonymous inner classes), which are implicitly converted to objects.
For completeness (and Paŭlo Ebermann), there's some syntax with the new keyword as well.
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