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Swift - How to convert String to Double
... converted (i.e.: bad user input).
let lessPrecisePI = Float("3.14")
let morePrecisePI = Double("3.1415926536")
let invalidNumber = Float("alphabet") // nil, not a valid number
Unwrap the values to use them using if/let
if let cost = Double(textField.text!) {
print("The user entered a valu...
What does AngularJS do better than jQuery? [closed]
...ustom Angular Directive, we're already done. That's a breath of fresh air. More on that in a moment.
Implementation with jQuery
live demo here (click).
function rotate(deg, elem) {
$(elem).css({
webkitTransform: 'rotate('+deg+'deg)',
mozTransform: 'rotate('+deg+'deg)',
msTransform...
Why is using 'eval' a bad practice?
...at's fundamentally mis-designed is fundamentally mis-designed. eval is no more the root cause of bad design than division by zero or attempting to import a module which is known not to exist. eval isn't insecure. Applications are insecure.
– S.Lott
Dec 2 '09...
How to terminate a Python script
...rint to stdout piping into Popen, so the exception in this case is causing more trouble than it is solving.
– Elliot
Oct 1 '14 at 15:26
4
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How to call a method defined in an AngularJS directive?
...ar, so my opinion may not hold much weight, but I found this approach much more intuitive than the other answer and would have marked it the correct answer. I implemented this in my sandbox application with zero trouble.
– BLSully
Jan 9 '14 at 17:11
...
PHP filesize MB/KB conversion [duplicate]
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This answer is more efficient than the others below. It avoids using the log function or successive division statements to identify the unit.
– Ali Gangji
May 25 '13 at 2:34
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What specific productivity gains do Vim/Emacs provide over GUI text editors?
...e as the "windowed" interface that Vim/Emacs give you. You can see two or more files at the same time side-by-side. The more you can see on-screen, the more you free your mind to think about your problem rather than doing mental bookkeeping of variable names and function signatures.
Don't underest...
How to compare UIColors?
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Good point Zoul, might be more useful to point to a solution not just the problem though =D
– pfrank
May 2 '14 at 20:29
11
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Can you attach a UIGestureRecognizer to multiple views?
...sture recognizer once, I'm not sure if this is a bug or it just needs some more documentation.
12 Answers
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