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What are the differences between a UIView and a CALayer?
...nches, cliks and more. Working with UIViews happens on the main thread, it means it is using CPU power.
CALayer: Layers on other hand have simpler hierarchy. That means they are faster to resolve and quicker to draw on the screen. There is no responder chain overhead unlike with views. Layers are d...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...e method.
Now, the operator notation is a notation for method-call, which means it can't be used in the absence of the object which is being called.
I'll briefly detail the notations.
Prefix:
Only ~, !, + and - can be used in prefix notation. This is the notation you are using when you write !fl...
How can I generate random alphanumeric strings?
...hy use RNGCSP in the first place?) Using mod to index into the chars array means that you'll get biased output unless chars.Length happens to be a divisor of 256.
– LukeH
Apr 3 '12 at 16:35
...
Using a Single Row configuration table in SQL Server database. Bad idea?
...lumn has a value of 0
creating a unique constraint on the bit column
This means that only one row can exist in the table because the bit column has to have a value of 0, but there can only be one row with that value because of the unique constraint.
...
Convert JS Object to form data
... recursive so even if it's written formData.append(root, data), it doesn't mean that it's added to the root.
– Gudradain
Sep 26 '18 at 20:31
...
How to limit setAccessible to only “legitimate” uses?
...n the same JVM process, but instead the interface with the JVM using other means (JPDA).
Could Java has been designed as to NOT have this need in the first place?
That's a pretty deep question to answer well. I imagine yes, but you'd need to add some other mechanism(s) that might not be all that p...
How to percent-encode URL parameters in Python?
...aracters that
should not be quoted — its default
value is '/'
That means passing '' for safe will solve your first issue:
>>> urllib.quote('/test')
'/test'
>>> urllib.quote('/test', safe='')
'%2Ftest'
About the second issue, there is a bug report about it here. Apparentl...
Difference between Xcode version (CFBundleShortVersionString) and build (CFBundleVersion)
... en.wikipedia.org/wiki/Category:Numerals) So my guess is that's what Apple means by "localizable" version number.
– Ruslan Ulanov
Jul 31 '14 at 22:14
...
What is difference between sjlj vs dwarf vs seh?
...ception
unwind handler cannot propagate through non-dw2 aware code, this means
that any exception going through any non-dw2 aware "foreign frames"
code will fail, including Windows system DLLs and DLLs built with
Visual Studio. Dwarf-2 unwinding code in gcc inspects the x86
unwinding assem...
Why does (“foo” === new String(“foo”)) evaluate to false in JavaScript?
...re calling String (a constructor?) without the 'new' keyword. Doesn't this mean you will pollute the scope with any properties assigned within the String constructor? Or does that not happen because the constructor is native code? In other words, suppose the String function contained "this.a = 1;" -...