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What is the difference between a mutable and immutable string in C#?
...ects themselves could change, and the data structure would have no way of knowing, leading to corrupt data that would, eventually, crash your program.
However, you can change its contents- so it's much, much more memory efficient than making a complete copy because you wanted to change a single cha...
How to get existing fragments when using FragmentPagerAdapter
...o FragmentStatePagerAdapter.
If you're reading this you probably already know that FragmentPagerAdapter/FragmentStatePagerAdapter is meant to create Fragments for your ViewPager, but upon Activity recreation (whether from a device rotation or the system killing your App to regain memory) these Frag...
When to use inline function and when not to use it?
I know that inline is a hint or request to compiler and its used to avoid function call overheads.
14 Answers
...
Why should weights of Neural Networks be initialized to random numbers? [closed]
...h hidden unit gets sum of inputs multiplied by the corresponding weight.
Now imagine that you initialize all weights to the same value (e.g. zero or one). In this case, each hidden unit will get exactly the same signal. E.g. if all weights are initialized to 1, each unit gets signal equal to sum o...
AngularJS : How to watch service variables?
...back){
observerCallbacks.push(callback);
};
//call this when you know 'foo' has been changed
var notifyObservers = function(){
angular.forEach(observerCallbacks, function(callback){
callback();
});
};
//example of when you may want to notify observers
this.foo = someN...
How do I access an access array item by index in handlebars?
... valid identifier?
(Tested with Handlebars in YUI.)
2.xx Update
You can now use the get helper for this:
(get people index)
although if you get an error about index needing to be a string, do:
(get people (concat index ""))
...
MySQL - Make an existing Field Unique
...eady existing table with a field that should be unique but is not. I only know this because an entry was made into the table that had the same value as another, already existing, entry and this caused problems.
...
Regular expressions in C: examples?
...g PCRE2. This means you can literally use all the regex examples out there now and not have to translate from some ancient regex.
I made an answer for this already, but I think it can help here too..
Regex In C To Search For Credit Card Numbers
// YOU MUST SPECIFY THE UNIT WIDTH BEFORE THE INCLU...
When do Java generics require
... a match that the compiler works out to Matcher<ArrayList<T>>. Now if it wasn't a type parameter, things would be fine, because List and ArrayList are covariant, but since Generics, as far as the compiler is concerned require ArrayList, it can't tolerate a List for reasons that I hope ar...
Is it possible to get CMake to build both a static and shared version of the same library?
...e-use object files for both static and shared target. Especially, general knowledge in SO is still very confusing about it, old/archives don't help to clarify it either, eg. cmake.org/pipermail/cmake/2008-March/020315.html A solid explanation of the status quo is needed. p.s. It wasn't me who downv...