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Are string.Equals() and == operator really same? [duplicate]
... (string) y;
// Now *this* will call ==(string, string), comparing values appropriately
if (xs == ys) // Yes
Equals will go bang if you call it on null, == won't
string x = null;
string y = null;
if (x.Equals(y)) // Bang
if (x == y) // Yes
Note that you can avoid the latter being a problem u...
How to make a transparent HTML button?
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For me, I had to apply the property "cursor: pointer" to button:hover. With solely button it did not work.
– Spixmaster
Aug 14 at 9:58
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Nested attributes unpermitted parameters
...e(:log_entry).permit!
Nested attributes are in the form of a hash. In my app, I have a Question.rb model accept nested attributes for an Answer.rb model (where the user creates answer choices for a question he creates). In the questions_controller, I do this
def question_params
params.re...
what is the difference between sendStickyBroadcast and sendBroadcast in Android
...m/d/msg/android-developers/8341SaXhvmY/…. It is an old post but probably applies still
– Mr_and_Mrs_D
Nov 25 '13 at 14:27
1
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How to fight tons of unresolved variables warning in Webstorm?
... to define global variables? I'm referencing an external library in my web app, I need to use stuff such as MediumEditor, but intellij gives me the infamous unresolved variable warning.
– borislemke
Apr 9 '17 at 16:09
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How to turn on/off ReactJS 'development mode'?
...ng a minified copy of the development build of React. When deploying React apps to production, make sure to use the production build which skips development warnings and is faster. See fb.me/react-minification for more details.
react-dom, redux, react-redux behave similarly. Redux displays a warnin...
How to monitor the memory usage of Node.js?
...le example, you can see that allocating an array of 10M elements consumers approximately 80MB (take a look at heapUsed).
If you look at V8's source code (Array::New, Heap::AllocateRawFixedArray, FixedArray::SizeFor), then you'll see that the memory used by an array is a fixed value plus the length m...
UTF-8, UTF-16, and UTF-32
...nding of the encodings, I find that the Wikipedia articles are a much more approachable source.
– Adam Rosenfield
Oct 18 '13 at 16:50
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Perform Segue programmatically and pass parameters to the destination view
in my app I've a button that performs a segue programmatically:
5 Answers
5
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SQLite add Primary Key
... Please bestow your wisdom upon us. Clearly you want people to know you disapprove of the answer or something that one of the commenters said, however your comment contains no information at all, beside an apparent intent to convey superiority and snark.
– Nathan Ridley
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