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Obfuscated C Code Contest 2006. Please explain sykes2.c
...that leaves 8 characters per character of __TIME__.
7 - i/8%8 is thus the index of __TIME__ that is presently being output (the 7- is needed because we are iterating i downwards). So, t is the character of __TIME__ being output.
a ends up equalling the following in binary, depending on the input t...
Animate text change in UILabel
...ue:String,duration: Double){
let characters = value.map { $0 }
var index = 0
Timer.scheduledTimer(withTimeInterval: duration, repeats: true, block: { [weak self] timer in
if index < value.count {
let char = characters[index]
self?.text! += "\(char)"
...
How does one unit test routes with Express?
...be("Default Route", function(){
it("should provide the a title and the index view name", function(done){
routes.index({}, {
render: function (viewName) {
viewName.should.equal("index")
done()
}
})
})
})
...
Intersection of two lists in Bash
... comm requires the inputs to be sorted. In this case, ls automatically sorts its output, but other uses may need to do this: comm -12 <(some-command | sort) <(some-other-command | sort)
– Alexander Bird
Jan 15 '15 at 21:11
...
Why does [5,6,8,7][1,2] = 8 in JavaScript?
...ay + — array subscript access operation,
where index is `1,2,3`,
which is an expression that evaluates to `3`.
The second [...] cannot be an array, so it’s an array subscript operation. And the contents of a subscript operation are not a delimited ...
How to debug a bash script? [closed]
... 3:
for x in $ARRAY; do
^-- SC2128: Expanding an array without an index only gives the first element.
fix the bug, first try...
$ cat test.sh
ARRAY=("hello there" world)
for x in ${ARRAY[@]}; do
echo $x
done
$ shellcheck test.sh
In test.sh line 3:
for x in ${ARRAY[@]}; do
...
Does Python have “private” variables in classes?
...ass variables. In Java, nothing prevents you from doing the same if you really want to - after all, you can always edit the source of the class itself to achieve the same effect. Python drops that pretence of security and encourages programmers to be responsible. In practice, this works very nicely...
php implode (101) with quotes
...
This has the added benefit of allowing you to escape any single quotes which may appear in the array elements
– user229044♦
May 24 '11 at 18:17
...
Why check both isset() and !empty()
... @karim IMO empty is one of the most misunderstood functions in PHP. The tiny snippet about "no warning is generated" is very easy to overlook. I had to scan the documentation myself a few times to spot it to post it here.
– deceze♦
Dec 30 '10 at 4...
How do I get the key at a specific index from a Dictionary in Swift?
I have a Dictionary in Swift and I would like to get a key at a specific index.
10 Answers
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