OStack Q&A-Knowledge Sharing Community

0 votes

564 views

1 answer

android - FCM (Firebase Cloud Messaging) Push Notification with Asp.Net

I have already push the GCM message to google server using asp .net in following method, GCM Push Notification with Asp ... .net let me know.. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

119 views

1 answer

Java String new line

I have a string like "I am a boy". I would like to print it this way "I am a boy". Can anybody help me? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

284 views

1 answer

android - How to remove focus without setting focus to another control?

I like my UIs to be intuitive; each screen should naturally and unobtrusively guide the user on to the next ... button prior to any selection. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

198 views

1 answer

How to refresh / invalidate $resource cache in AngularJS

I have a simple User $resource that uses the default $http cache implementation like so: factory('User', function( ... to do that? Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

284 views

1 answer

java - Add an object to an ArrayList and modify it later

If I have an ArrayList, and I added an object to it, and later I modified this object, will this change ... in the ArrayList now null too? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

285 views

1 answer

android data binding with a custom view

The Android data binding guide discusses binding values within an activity or fragment, but is there a way to perform ... I'm trying to do? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

171 views

1 answer

Finding the cause of a memory leak in Ruby

I've discovered a memory leak in my Rails code - that is to say, I've found what code leaks but not why it ... here CentOS 6.4 and Ubuntu 13.10 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

231 views

1 answer

Providing a default value for an Optional in Swift?

The idiom for dealing with optionals in Swift seems excessively verbose, if all you want to do is provide a ... in an extension for Optional? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

736 views

1 answer

Building with Lombok's @Slf4j and Intellij: Cannot find symbol log

I have a maven project that builds with no problems from the command line. However, when I build it with IntelliJ ... how to resolve the issue? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

763 views

1 answer

python - Open files in 'rt' and 'wt' modes

Several times here on SO I've seen people using rt and wt modes for reading and writing files. For example: with open(' ... wt vs w and rt vs r? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

673 views

1 answer

drop down menu - Firefox ignores option selected="selected"

If you change a dropdown and refresh the page, Firefox seems to ignore the selected attribute. <option selected=" ... when the page loads)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

482 views

1 answer

objective c - Alternatives to dispatch_get_current_queue() for completion blocks in iOS 6?

I have a method that accepts a block and a completion block. The first block should run in the background, while ... What should I use instead? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

341 views

1 answer

javascript - Do I need to remove event listeners before removing elements?

If I have a parent element with children who have event listeners bound to them, do I need to remove those event ... it's removed from the DOM? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

239 views

1 answer

node.js - pass JSON to HTTP POST Request

I'm trying to make a HTTP POST request to the google QPX Express API [1] using nodejs and request [2] ... API is returning 400 parse error See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

419 views

1 answer

android - Waiting till the async task finish its work

I'm very new to programming and I have some doubts. I have a AsyncTask which is I call as RunInBackGround. and I ... ? Are there any way for it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

249 views

1 answer

python - Exception thrown in multiprocessing Pool not detected

It seems that when an exception is raised from a multiprocessing.Pool process, there is no stack trace or ... the same as BaseException? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

294 views

1 answer

What is a good 64bit hash function in Java for textual strings?

I'm looking for a hash function that: Hashes textual strings well (e.g. few collisions) Is written in Java ... . Bonus: Not CPU intensive. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

315 views

1 answer

android - Programmatically collapse a group in ExpandableListView

When I expand a new group, can I collapse the last one expanded? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

541 views

1 answer

mapreduce - Find all duplicate documents in a MongoDB collection by a key field

Suppose I have a collection with some set of documents. something like this. { "_id" : ObjectId(" ... "bar" appears 3 times. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

572 views

1 answer

templates - Can you make custom operators in C++?

Is it possible to make a custom operator so you can do things like this? if ("Hello, world!" contains "Hello") ... ... it a good idea to..." ;) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

282 views

1 answer

Scroll event listener javascript

Is there a js listener for when a user scrolls in a certain textbox that can be used? Kinda like ... looking for something cross-browser. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

209 views

1 answer

HTML 5 versus XHTML 1.0 Transitional?

It seems that HTML 5 is going to be supported (partially) by Firefox 3.1 and other browsers. It is ... /www.youtube.com/watch?v=xIxDJof7xxQ See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

378 views

1 answer

ios - Levenshtein Distance Algorithm better than O(n*m)?

I have been looking for an advanced levenshtein distance algorithm, and the best I have found so far is O(n ... a better algorithm if possible. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

461 views

1 answer

java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getImportantForAccessibility()' on a null object reference

I'm trying to put together a shopping list app, based on input fields, ArrayList, and ListView. The app ... : E/AndroidRuntime(12745): at android.os.Handler.handleCallback(Hand...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.0k views

1 answer

javascript - typescript: error TS2693: 'Promise' only refers to a type, but is being used as a value here

I am trying to use Typescript for my AWS Lambda and i am getting the following errors where ever I use promises. ... a value here but no luck. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

316 views

1 answer

c# - Visual Studio 2013 doesn't discover unit tests

I have a simple solution in visual studio 2013 that is composed by one web project, one library project and one ... Assert.IsTrue(True); } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

561 views

1 answer

css - width:auto for <input> fields

Newbie CSS question. I thought width:auto for a display:block element meant 'fill available space'. However for an <input ... '> </form> </body> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

811 views

1 answer

mysql - Error Dropping Database (Can't rmdir '.test', errno: 17)

Basically, I was taught on how to create a root password using the "mysqladmin -u root -p password" command, ... drop the file with no errors? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

Categories

Recent questions

Just Browsing Browsing

Most popular tags