大约有 47,000 项符合查询结果（耗时：0.0708秒） [XML]
Fragment in ViewPager using FragmentPagerAdapter is blank the second time it is viewed
...
I had the same issue. Changing the parent class of my PageAdapter from android.support.v4.app.FragmentPagerAdapter to android.support.v4.app.FragmentStatePagerAdapter solve my ViewPager display issue on "second time"!
...
How to prevent a click on a '#' link from jumping to top of page?
...
In jQuery, when you handle the click event, return false to stop the link from responding the usual way prevent the default action, which is to visit the href attribute, from taking place (per PoweRoy's comment and Erik's answer):
$('a.someclass').click(function(e)
{
// Special stuff to do whe...
JavaScript “new Array(n)” and “Array.prototype.map” weirdness
...
From MDC (emphasis mine): "map calls a provided callback function once for each element in an array, in order, and constructs a new array from the results. callback is invoked only for indexes of the array which have assigned...
Remove blank lines with grep
I tried grep -v '^$' in Linux and that didn't work. This file came from a Windows file system.
14 Answers
...
How to read from standard input in the console?
I would like to read standard input from the command line, but my attempts have ended with the program exiting before I'm prompted for input. I'm looking for the equivalent of Console.ReadLine() in C#.
...
Passing Data between View Controllers
...anything.
Passing Data Forward
Passing data forward to a view controller from another view controller. You would use this method if you wanted to pass an object/value from one view controller to another view controller that you may be pushing on to a navigation stack.
For this example, we will ha...
How do I find out which keystore was used to sign an app?
...ore and it causes Google login to fail. I had to download the APK directly from PlayStore and find the actual SHA1 to register it in the Google Cloud console.
– Alvin Rusli
Jan 4 '18 at 6:36
...
Django REST framework: non-model serializer
...f __init__(self, *args, **kw):
# Initialize any variables you need from the input you get
pass
def do_work(self):
# Do some calculations here
# returns a tuple ((1,2,3, ), (4,5,6,))
result = ((1,2,3, ), (4,5,6,)) # final result
return result
The...
Android, getting resource ID from string?
...
How to get an application resource id from the resource name is quite a common and well answered question.
How to get a native Android resource id from the resource name is less well answered.
Here's my solution to get an Android drawable resource by resource na...
how to delete all cookies of my website in php
...
PHP setcookie()
Taken from that page, this will unset all of the cookies for your domain:
// unset cookies
if (isset($_SERVER['HTTP_COOKIE'])) {
$cookies = explode(';', $_SERVER['HTTP_COOKIE']);
foreach($cookies as $cookie) {
$par...