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Dilemma: when to use Fragments vs Activities:
...ll you have to copy multiple items from the 1st box? If the answer is Yes, then you should use Fragments, because the root Activity can hold all duplicated elements to save you time in creating them, and you can simply replace parts of the box.
But don't forget that you always need a box container...
ViewPager and fragments — what's the right way to store fragment's state?
...) is not always called. If the Fragment
// was already created then it will be retrieved from the FragmentManger
// and not here (i.e. getItem() won't be called again).
switch (position) {
case 0:
return new FragmentA();
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What is difference between functional and imperative programming languages?
...mplement. For example, suppose you write a complicated transformation, and then realize that some code is repeated several times in the transformation. If you refactor through a pure method, you can call your pure method at will without worrying about side effects.
Easier testing and debugging. Be...
What is the difference between new/delete and malloc/free?
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The most relevant difference is that the new operator allocates memory then calls the constructor, and delete calls the destructor then deallocates the memory.
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Converting string to byte array in C#
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If you already have a byte array then you will need to know what type of encoding was used to make it into that byte array.
For example, if the byte array was created like this:
byte[] bytes = Encoding.ASCII.GetBytes(someString);
You will need to turn it...
How do you allow spaces to be entered using scanf?
...n that the input will always be of a specific format (and perhaps not even then).
Remember than scanf stands for "scan formatted" and there's precious little less formatted than user-entered data. It's ideal if you have total control of the input data format but generally unsuitable for user input....
How to get unique values in an array
...ly be used by someone who understands what it means, and possibly not even then. What it is saying, is that writing if (~a.indexOf(b)) ... is identical to writing the longer if (a.indexOf(b) == -1) ....
– Orwellophile
Jul 18 '16 at 18:36
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Why does range(start, end) not include end?
...d end".
It is actually start and "stop".
Now, if it were the "end" value then, yes, you might expect that number would be included as the final entry in the sequence. But it is not the "end".
Others mistakenly call that parameter "count" because if you only ever use 'range(n)' then it does, of co...
Disable Required validation attribute under certain circumstances
...r values for fields that they have already specified previously. However I then implement logic that when they enter a value it uses some special logic to update the model, such as hashing a value etc.
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Get Maven artifact version at runtime
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When i try this then my result is always null although the MANIFEST.MF in the war files contains the correct information.
– thomas.mc.work
Jun 4 '14 at 11:34
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