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Pick a random element from an array
...t(arc4random_uniform(UInt32(array.count)))
print(array[randomIndex])
The castings are ugly, but I believe they're required unless someone else has another way.
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Intersection and union of ArrayLists in Java
...tal = (ArrayList<String>) intersection(list2, list1) --->cannot cast java.util.arraylist to java.util.arraylist<string>
– user3402040
Feb 11 '16 at 9:34
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iPhone Safari Web App opens links in new window
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+1 from me - used this.href rather than casting to a jQuery object, but thanks for this answer. Works on iOS6.
– Fenton
Sep 29 '12 at 20:12
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Reading my own Jar's Manifest
...jority of Sun classloaders are, including AppletClassLoader.
You can then cast it and call findResource() which has been known - for applets, at least - to return the needed manifest directly:
URLClassLoader cl = (URLClassLoader) getClass().getClassLoader();
try {
URL url = cl.findResource("META...
How to test if a string is basically an integer in quotes using Ruby
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Ruby 2.6.0 enables casting to an integer without raising an ex
How does delete[] know it's an array?
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try size_t size = *(reinterpret_cast<size_t *>(pArray) - 1) instead
– user6377043
Aug 12 '17 at 11:42
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Where is the itoa function in Linux?
... point string; floating point can have corner case inaccuracies. And don't cast calloc
– M.M
Sep 24 '14 at 12:44
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“elseif” syntax in JavaScript
... a branch whose condition is merely "truthy" will not be executed. You can cast a truthy value to true with double negation: !!condition.
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Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
...ject from 0 which is an integer.
0 == False returns True because False is cast to an integer. int(False) returns 0
The python documentation of the == operator says (help('==')):
The operators <, >, ==, >=, <=, and != compare the values of two objects. The objects need not have the...
Generating random strings with T-SQL
...nt = 2048
set @BinaryData=crypt_gen_random (@Length)
set @CharacterData=cast('' as xml).value('xs:base64Binary(sql:variable("@BinaryData"))', 'varchar(max)')
print @CharacterData
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