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What is the difference between single-quoted and double-quoted strings in PHP?
...ouble quotes inside of double quotes must be escaped:
$string = 'He said "What\'s up?"';
$string = "He said \"What's up?\"";
Speed:
I would not put too much weight on single quotes being faster than double quotes. They probably are faster in certain situations. Here's an article explaining one ma...
What's default HTML/CSS link color?
...values did come from a standard, for which this answer provides no sources whatsoever, that standard would have long been obsolete anyway as this answer implies, and using it in new code would be meaningless.
– BoltClock♦
May 4 '14 at 13:25
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Files showing as modified directly after a Git clone
... can anyone shed more light on this particular configuration? What does * text=auto do? What does it mean to remove it from .gitattributes? I see it fixes this problem for me, but I am not sure why it does so, and what it is really doing, and what possible issues it is possibly creati...
What is the difference between `sorted(list)` vs `list.sort()`?
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What is the difference between sorted(list) vs list.sort()?
list.sort mutates the list in-place & returns None
sorted takes any iterable & returns a new list, sorted.
sorted is equivalent to this Python implement...
How to convert a factor to integer\numeric without loss of information?
... of the function. Therefore it doesn't really give a better solution than what the asker already had.
– CJB
Jan 25 '16 at 9:32
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Can I change the size of UIActivityIndicator?
Whatever size i give to it while allocation, it shows fixed size only. Is it possible to increase it?
9 Answers
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Why do Python's math.ceil() and math.floor() operations return floats instead of integers?
...epresentable range of integers.
Consider: If floor() returned an integer, what should floor(1.0e30) return?
Now, while Python's integers are now arbitrary precision, it wasn't always this way. The standard library functions are thin wrappers around the equivalent C library functions.
...
Aren't promises just callbacks?
...ore readable.
But this is not the end. Let's discover the true benefits: What if you wanted to check for any error in any of the steps? It would be hell to do it with callbacks, but with promises, is a piece of cake:
api().then(function(result){
return api2();
}).then(function(result2){
r...
Fastest way to count exact number of rows in a very large table?
..., but it's slow. You can either have exact & slow, or rough and quick. What you do will depend on what's more important for the purpose you need the count for. NO LOCK might include or indeed exclude rows that are mid-transaction or moving pages for whatever reason.
– Davos...
What's “requestCode” used for on PendingIntent?
...about it? Is it possible to remove all alarms of a certain type, no matter what is the requestCode?
– android developer
Feb 3 '14 at 12:36
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