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How do I get the value of text input field using JavaScript?
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How to Correctly handle Weak Self in Swift Blocks with Arguments
...l on using strong, weak, and unowned in closures:
https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/AutomaticReferenceCounting.html
Note: I used the term closure instead of block which is the newer Swift term:
Difference between block (Objective...
Django set default form values
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Commenting here to mention another usecase where this solution of initial param will help: While sending a registration link to someone if you want to prepopulate the email/id or any other credential on the registration form ...
How to get std::vector pointer to the raw data?
....begin() gives you the address of the iterator returned by begin() (as the compiler warns, this is not technically allowed because something.begin() is an rvalue expression, so its address cannot be taken).
Assuming the container has at least one element in it, you need to get the address of the in...
What's the best way of structuring data on firebase?
...e is that you want to work hard on writes to make reads easy. Keep logical components that are read separately separate (e.g. for chat rooms, don't put the messages, meta info about the rooms, and lists of members all in the same place, if you want to be able to iterate the groups later).
The prima...
How to rotate portrait/landscape Android emulator? [duplicate]
...sViccari That's a bug in the Android 4.4 emulator image. See stackoverflow.com/questions/19726285/…. Other emulator images should work fine.
– Yoni Samlan
May 27 '14 at 21:14
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How to merge a list of lists with same type of items to a single list of items?
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C++ where to initialize static const
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Anywhere in one compilation unit (usually a .cpp file) would do:
foo.h
class foo {
static const string s; // Can never be initialized here.
static const char* cs; // Same with C strings.
static const int i = 3; // Integral typ...
How to exit from the application and show the home screen?
...l just make the home screen appear and will not exit/close the application completely as the OP wants.
– Basher51
Jul 27 '14 at 7:26
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What do the different readystates in XMLHttpRequest mean, and how can I use them?
...quest has been sent
3 The request is in process
4 The request is complete
(from https://www.w3schools.com/js/js_ajax_http_response.asp)
In practice you almost never use any of them except for 4.
Some XMLHttpRequest implementations may let you see partially received responses in respons...