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browser sessionStorage. share between tabs?
...sionStorage', JSON.stringify(sessionStorage));
// the other tab should now have it, so we're done with it.
localStorage.removeItem('sessionStorage'); // <- could do short timeout as well.
} else if (event.key == 'sessionStorage' && !sessionStorage.length) {
// another tab se...
How to detect online/offline event cross-browser?
...k when the user
follows links or when a script
requests a remote page (or knows that
such an attempt would fail), and must
return true otherwise.
Finally, the spec notes:
This attribute is inherently
unreliable. A computer can be
connected to a network without having
Internet access.
...
PostgreSQL: Show tables in PostgreSQL
... list all databases and users by \l command, (list other commands by \?).
Now if you want to see other databases you can change user/database by \c command like \c template1, \c postgres postgres and use \d, \dt or \dS to see tables/views/etc.
...
Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...over the wall and do an I|O presentation on it" library.
EDIT - Volley is now officially supported by Google. Kindly refer Google Developer Guide
From what I've read, seems like OkHTTP is the most robust of the 3
Retrofit uses OkHTTP automatically if available. There is a Gist from Jake Whart...
Javascript parseInt() with leading zeros
... Yes, Firefox and Chrome latest version doesn't have a problem now.
– mythicalcoder
Feb 1 '17 at 10:05
add a comment
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Get yesterday's date using Date [duplicate]
...There has been recent improvements in datetime API with JSR-310.
Instant now = Instant.now();
Instant yesterday = now.minus(1, ChronoUnit.DAYS);
System.out.println(now);
System.out.println(yesterday);
https://ideone.com/91M1eU
Outdated answer
You are subtracting the wrong number:
Use Calendar...
How do I deep copy a DateTime object?
Now $date1 and $date2 contain the same date -- three years from now. I'd like to create two separate datetimes, one which is parsed from a string and one with three years added to it. Currently I've hacked it up like this:
...
Is APC compatible with PHP 5.4 or PHP 5.5?
...ed back any issues encountered to ensure a stable final release.
I do not know what this means for the future of APC.
APC FOR PHP 5.4+ IS STILL FLAGGED AS BETA
This means the developers do not consider it completely stable. While many people are experiencing no problems at all with the current SVN r...
Determine if the device is a smartphone or tablet? [duplicate]
... This answer is good but possibly a bit dated since values-xlarge is now being deprecated.Using /res/values and /res/values-sw600 as the folders to store these values in may be a better solution. sw600 means "smallest width 600". If the size of the smallest dimension of the screen is greater...
How to do constructor chaining in C#
I know that this is supposedly a super simple question, but I've been struggling with the concept for some time now.
8 An...