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Apache and Node.js on the Same Server
...t of the website can be left to Apache to host your existing PHP pages:
Now the only thing left is convincing your hosting company let your run with this configuration!!!
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Determine when a ViewPager changes pages
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ViewPager.setOnPageChangeListener is deprecated now. You now need to use ViewPager.addOnPageChangeListener instead.
for example,
viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, fl...
How to store a command in a variable in a shell script?
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$(...) is now recommended instead of backticks. y=$(eval $x) mywiki.wooledge.org/BashFAQ/082
– James Broadhead
Mar 11 '12 at 20:35
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What is stack unwinding?
...e compiler inserting calls to destructors of automatic (stack) variables.
Now this is a very powerful concept leading to the technique called RAII, that is Resource Acquisition Is Initialization, that helps us manage resources like memory, database connections, open file descriptors, etc. in C++.
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Is there a way to change the spacing between legend items in ggplot2?
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Now that opts is deprecated in ggplot2 package, function theme should be used instead:
library(grid) # for unit()
... + theme(legend.key.height=unit(3,"line"))
... + theme(legend.key.width=unit(3,"line"))
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Visual Studio : short cut Key : Duplicate Line
...fter)
Ctrl + D
In Visual Studio 2017 (pre v15.6)
(edit) This feature is now built-in in VS2017: Ctrl + E, V duplicates a line if nothing is selected, or duplicates selection. You can assign it to a different key combination, or find it in the menu:
See this reference for more information.
Pre...
How does the keyword “use” work in PHP and can I import classes with it?
...you have two classes with the same name, put them in different namespaces. Now consider when your auto loader is loading both classes (does by require), and you are about to use object of class. In this case, the compiler will get confused which class object to load among two. To help the compiler m...
get UTC time in PHP
... DateTimeZone.
The DateTime __construct() documentation suggests passing "now" as the first parameter when creating a DateTime instance and specifying a timezone to get the current time.
$date_utc = new \DateTime("now", new \DateTimeZone("UTC"));
echo $date_utc->format(\DateTime::RFC850); # Sa...
Why do I need to override the equals and hashCode methods in Java?
... hashCode(), let's see what would happen in this particular case where we know that two objects of MyClass are equal if their importantField is equal but we do not override equals().
Override only hashCode
If you only override hashCode then when you call myMap.put(first,someValue) it takes first, ca...
What is the leading LINQ for JavaScript library? [closed]
...given over 3 years ago, and things have definitely changed, and linq.js is now way ahead of what it was back then. At the time, I believed rx.js was the best bet for doing LINQ operations with JS, as the other libraries were not great or incomplete and RX had fulltime developers working on it. Als...