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difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass
...tion context or even activity context (both) because a toast can be raised from anywhere with in your application and is not attached to a window.
Activity context is attached to the Activity's life-cycle and can be destroyed if the activity's onDestroy() is raised. If you want to launch a new acti...
iPad/iPhone hover problem causes the user to double click a link
...single tap. Appeared that the header links had a pseudo-element that went from opacity: 0 to opacity: 1 on hover. Removing that effect immediately solved the issue and I found a CSS workaround to still get the looks I wanted.
– Fake Haak
Mar 27 '15 at 7:52
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How to append text to a text file in C++?
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I got my code for the answer from a book called "C++ Programming In Easy Steps". The could below should work.
#include <fstream>
#include <string>
#include <iostream>
using namespace std;
int main()
{
ofstream writer("filename.fi...
random.seed(): What does it do?
...the same pattern of random numbers. This way you are generating them right from the start. You give a different seed- it starts with a different initial (above 3).
Given a seed, it will generate random numbers between 1 and 10 one after another. So you assume one set of numbers for one seed value.
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How do I test for an empty JavaScript object?
...e lodash is empty (lodash.com/docs#isEmpty), but how is that any different from using a jQuery solution - you still need to install an additional library. I think a vanilla javascript solution is the intent.
– tfmontague
Jul 23 '14 at 23:38
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In Python, how do I index a list with another list?
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A functional approach:
a = [1,"A", 34, -123, "Hello", 12]
b = [0, 2, 5]
from operator import itemgetter
print(list(itemgetter(*b)(a)))
[1, 34, 12]
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Crontab Day of the Week syntax
In crontab does the Day of the Week field run from 0 - 6 or 1 -7 ?
3 Answers
3
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How can I limit Parallel.ForEach?
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It's not clear to me from documentation - does setting MaxDegreeOfParallelism to 4 (for instance) mean there'll be 4 threads each running 1/4th of the loop iterations (one round of 4 threads dispatched), or does each thread still do one loop iter...
Why are `private val` and `private final val` different?
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I think the confusion here arises from conflating immutability with the semantics of final. vals can be overridden in child classes and therefore can't be treated as final unless marked as such explicitly.
@Brian The REPL provides class scope at the line le...
Are braces necessary in one-line statements in JavaScript?
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some of the examples are from Apple developer team
– Caner
Jul 13 at 18:10
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