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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...
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.
...
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
...
how to programmatically fake a touch event to a UIButton?
...o do it from within the app, not via Instruments (if that's the method you mean.)
– Olie
Oct 27 '10 at 13:50
Instrumen...
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
...
Checking for an empty field with MySQL
...ou are checking to make sure the email field is not an empty string. NULL means the data is missing. An empty string "" is a blank string with the length of 0.
You can add the null check also
AND (email != "" OR email IS NOT NULL)
...
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
...
Prevent linebreak after
...display:inline on it is basically the same as a span. It's a semantically meaningless container. The only difference is their default display mode (block vs inline)
– Joeri Hendrickx
Aug 27 '10 at 11:12
...
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...