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Which characters are valid in CSS class names/selectors?
...t more complicated by the inclusion of escaped unicode characters (that no one really uses).
2 Note that, according to the grammar I linked, a rule starting with TWO hyphens, e.g. --indent1, is invalid. However, I'm pretty sure I've seen this in practice.
...
How do I get the number of days between two dates in JavaScript?
...e "normal" Date APIs (without "UTC" in the name) operate in the local timezone of the user's browser, so in general you could run into issues if your user is in a timezone that you don't expect, and your code will have to deal with Daylight Saving Time transitions. You should carefully read the docu...
Why use armeabi-v7a code over armeabi code?
...es. These are located at the armeabi and armeabi-v7a folder. Unfortunately one of the .so files is a 6MB and I need to reduce file size. Instead of having a fat APK file, I would like to use just the armeabi files and remove the armeabi-v7a folder.
...
How could I use requests in asyncio?
...):
loop = asyncio.get_event_loop()
future1 = loop.run_in_executor(None, requests.get, 'http://www.google.com')
future2 = loop.run_in_executor(None, requests.get, 'http://www.google.co.uk')
response1 = yield from future1
response2 = yield from future2
print(response1.text)
...
MAC addresses in JavaScript
...ability.
Now if all you need is a unique identifier, I suggest you create one yourself using some cryptographic algorithm and store it in a cookie.
If you really need to know the MAC address of the computer AND you are developing for internal applications, then I suggest you use an external compon...
emacs/elisp: What is the hash (pound, number sign, octothorp) symbol used for?
...
According to this article, one good reason for applying # to a lone symbol is to get diagnostics at compile time if that symbol is undefined.
– ajk
Nov 28 '14 at 14:19
...
Where do “pure virtual function call” crashes come from?
...
One other thing I'll add: the _purecall() invocation that normally occurs on calling a method of a deleted instance will not happen if the base class has been declared with the __declspec(novtable) optimization (Microsoft spe...
How can I change Eclipse theme?
...hat you need to extract into your eclipse/dropins folder.
When you have done that go to
Window -> Preferences -> General -> Appearance
And change the theme from GTK (or what ever it is currently) to Dark Juno (or Dark).
That will change the UI to a nice dark theme but to get the c...
How do I scroll the UIScrollView when the keyboard appears?
...ame.UIKeyboardDidHide, object: nil)
}
// Don't forget to unregister when done
deinit {
NotificationCenter.default.removeObserver(self, name: NSNotification.Name.UIKeyboardDidShow, object: nil)
NotificationCenter.default.removeObserver(self, name: NSNotification.Name.UIKeyboardDidHide, objec...
Rounded UIView using CALayers - only some corners - How?
...used the answer over at How do I create a round cornered UILabel on the iPhone? and the code from How is a rounded rect view with transparency done on iphone? to make this code.
Then I realized I'd answered the wrong question (gave a rounded UILabel instead of UIImage) so I used this code to chang...