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How to make a background 20% transparent on Android
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This may cause graphic bugs! Use with caution and lots of testing.
– Michael
May 9 '19 at 17:01
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Can I use the range operator with if statement in Swift?
...e code is compiled in Xcode 6.3 with
optimizations switch on, then for the test
if 200 ... 299 ~= statusCode
actually no function call is generated at all, only three assembly instruction:
addq $-200, %rdi
cmpq $99, %rdi
ja LBB0_1
this is exactly the same assembly code that is generated...
Merging dictionaries in C#
...fficient - but it's the quickest way to do it in terms of code. (I haven't tested it, admittedly.)
You could write your own ToDictionary2 extension method of course (with a better name, but I don't have time to think of one now) - it's not terribly hard to do, just overwriting (or ignoring) duplica...
What's the best way to store Phone number in Django models
...rom object field:
client.phone.as_e164
Normolize phone string (for tests and other staff):
from phonenumber_field.phonenumber import PhoneNumber
phone = PhoneNumber.from_string(phone_number=raw_phone, region='RU').as_e164
2. Phone by regexp
One note for your model: E.164 numbers ...
What's this =! operator? [duplicate]
...b;
if (a) {
// whatever
}
setting a to the logical inverse of b, and testing whether the result is true (or, equivalently, whether b was false).
Or it might be a mistyping of a != b.
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How to insert a newline in front of a pattern?
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This works in bash and zsh, tested on Linux and OS X:
sed 's/regexp/\'$'\n/g'
In general, for $ followed by a string literal in single quotes bash performs C-style backslash substitution, e.g. $'\t' is translated to a literal tab. Plus, sed wants you...
Jade: Links inside a paragraph
... this is he rest of the paragraph
I wasn't aware of this myself and just tested it using the jade command line tool. It seems to work just fine.
EDIT:
It seems it can actually be done entirely in Jade as follows:
p
| this is the start of the para
a(href='http://example.com;) a link
| an...
Scrolling child div scrolls the window, how do I stop that?
...ross-browser way to do this on the Y axis, it works on desktop and mobile. Tested on OSX and iOS.
var scrollArea = this.querySelector(".scroll-area");
scrollArea.addEventListener("wheel", function() {
var scrollTop = this.scrollTop;
var maxScroll = this.scrollHeight - this.offsetHeight;
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Displaying a message in iOS which has the same functionality as Toast in Android
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}
Example of calling:
showToast(controller: self, message : "This is a test", seconds: 2.0)
Output:
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AutoLayout with hidden UIViews?
...Interface Builder won't yell about conflicts because the priority is low. Test the height behavior by setting the priority to 999 temporarily (1000 is forbidden to mutate programmatically, so we won't use it). Interface builder will probably now yell about conflicting constraints. You can fix these...