大约有 42,000 项符合查询结果（耗时：0.0386秒） [XML]
Remove Fragment Page from ViewPager in Android
... destroyed. Motivated by this answer, I found that the solution is to override the getItemId(int position) method of FragmentPagerAdapter to give a new unique ID whenever there has been a change in the expected position of a Fragment.
Source Code:
private class MyPagerAdapter extends FragmentPager...
How to make div background color transparent in CSS
...
Opacity gives you translucency or transparency. See an example Fiddle here.
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)"; /* IE 8 */
filter: alpha(opacity=50); /* IE 5-7 */
-moz-opacity: 0.5; /* Netscape */
-khtml-opacity: 0.5; /* Safari 1.x */...
Removing Data From ElasticSearch
...asticsearch.
Using cURL
curl -XDELETE localhost:9200/index/type/documentID
e.g.
curl -XDELETE localhost:9200/shop/product/1
You will then receive a reply as to whether this was successful or not. You can delete an entire index or types with an index also, you can delete a type by leaving out...
What's the difference between lists and tuples?
... tuples being immutable there is also a semantic distinction that should guide their usage. Tuples are heterogeneous data structures (i.e., their entries have different meanings), while lists are homogeneous sequences. Tuples have structure, lists have order.
Using this distinction makes code more...
Check if property has attribute
...credit to Aaronaught):
var t = typeof(YourClass);
var pi = t.GetProperty("Id");
var hasIsIdentity = Attribute.IsDefined(pi, typeof(IsIdentity));
If you need to retrieve attribute properties then
var t = typeof(YourClass);
var pi = t.GetProperty("Id");
var attr = (IsIdentity[])pi.GetCustomAttribu...
Mongoose: Get full list of users
...
Well, if you really want to return a mapping from _id to user, you could always do:
server.get('/usersList', function(req, res) {
User.find({}, function(err, users) {
var userMap = {};
users.forEach(function(user) {
userMap[user._id] = user;
});
res...
Storing time-series data, relational or non?
.... at (probably) 5 minute intervals using SNMP. The ultimate goal is to provide visualisations to a user of the system in the form of time-series graphs.
...
What does `kill -0 $pid` in a shell script do?
...
sending the signal 0 to a given PID just checks if any process with the given PID is running and you have the permission to send a signal to it.
For more information see the following manpages:
kill(1)
$ man 1 kill
...
If sig is 0, then no signal is sent,...
Using CSS to affect div style inside iframe
Is it possible to change styles of a div that resides inside an iframe on the page using CSS only?
13 Answers
...
Type definition in object literal in TypeScript
...as much as possible and then compose the object as the final step:
const id = GetId();
const hasStarted = true;
...
const hasFinished = false;
...
return {hasStarted, hasFinished, id};
This will properly type everything without any need for explicit typing.
There is no need to retype the field...