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What is the difference between Integer and int in Java?
...It allows you to use all the functions of the Integer class to make life a bit easier for you.
If you're new to Java, something you should learn to appreciate is the Java documentation. For example, anything you want to know about the Integer Class is documented in detail.
This is straight out of ...
Finding the index of an item in a list
...ster than straight l.index(999_999), because the former only has to search 10 entries, while the latter searches a million:
>>> import timeit
>>> timeit.timeit('l.index(999_999)', setup='l = list(range(0, 1_000_000))', number=1000)
9.356267921015387
>>> timeit.timeit('l.in...
Error in finding last used cell in Excel with VBA
...th any of the methods given below, it will give you 5. Now color the cell A10 red. If you now use the any of the below code, you will still get 5. If you use Usedrange.Rows.Count what do you get? It won't be 5.
Here is a scenario to show how UsedRange works.
xlDown is equally unreliable.
Consi...
Converting a Java collection into a Scala collection
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How do you test that a Python function throws an exception?
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is there a way to do the opposite of this? Like it fails only if the function does throw the exception?
– BUInvent
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mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
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answered Jun 4 '10 at 10:19
Edward DaleEdward Dale
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back button callback in navigationController in iOS
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– GuybrushThreepwood
Dec 2 '13 at 10:00
This is also called when the user pans from the left edge (interactivePopGes...
What is the difference between '/' and '//' when used for division?
...Qwarn, -Qwarnall
– John La Rooy
Nov 10 '09 at 0:13
2
Worth pointing out that 5.0 / 2 returns 2.5 ...
Java recursive Fibonacci sequence
...andle only a first 48 fibonacci numbers, after this the integer fill minus bit and result is wrong.
But you never can run fibonacci(50).
The code
fibonacci(n - 1) + fibonacci(n - 2)
is very wrong.
The problem is that the it calls fibonacci not 50 times but much more.
At first it calls fibonacci(49)+...
Mongoose query where value is not null
....ne(true) ?
– Steve K
Nov 24 '14 at 10:39
@SirBenBenji something like where("myArraySubDoc.0.someValue").ne(true)
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