大约有 40,000 项符合查询结果(耗时:0.0364秒) [XML]

https://stackoverflow.com/ques... 

Task not serializable: java.io.NotSerializableException when calling function outside closure only o

...rmation code (closure) is: serialized on the driver node, shipped to the appropriate nodes in the cluster, deserialized, and finally executed on the nodes You can of course run this locally (as in your example), but all those phases (apart from shipping over network) still occur. [This lets you ...
https://stackoverflow.com/ques... 

How do I hide a menu item in the actionbar?

... This is what I've thought of initially, but this crashes the application. – Stir Zoltán May 21 '12 at 21:30 3 ...
https://stackoverflow.com/ques... 

How do I make a textbox that only accepts numbers?

I have a windows forms app with a textbox control that I want to only accept integer values. In the past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more g...
https://stackoverflow.com/ques... 

Django: Why do some model fields clash with each other?

..._digits=5) animal = models.ForeignKey( Animal, related_name="%(app_label)s_%(class)s_related") class Meta: abstract = True class Height(Value): pass class Weigth(Value): pass class Length(Value): pass No clash here, but related_name is defined once and Djang...
https://stackoverflow.com/ques... 

What is the minimum I have to do to create an RPM file?

... I often do binary rpm per packaging proprietary apps - also moster as websphere - on linux. So my experience could be useful also a you, besides that it would better to do a TRUE RPM if you can. But i digress. So the a basic step for packaging your (binary) program is as ...
https://stackoverflow.com/ques... 

How to programmatically take a screenshot on Android?

...s", now); try { // image naming and path to include sd card appending name you choose for file String mPath = Environment.getExternalStorageDirectory().toString() + "/" + now + ".jpg"; // create bitmap screen capture View v1 = getWindow().getDecorView().getRoo...
https://stackoverflow.com/ques... 

Django - how to create a file and save it to a model's FileField?

...der. Turns out the issue is that I'm using docker-compose to run my django app along with a celery worker. The django app volume for MEDIA_ROOT was not shared with the same volume in the celery worker. Sharing the named volume fixed it (ref). – shadi May 12 '18...
https://stackoverflow.com/ques... 

How to display count of notifications in app launcher icon [duplicate]

...hout custom launchers and touch interfaces) does not allow changing of the application icon, because it is sealed in the .apk tightly once the program is compiled. There is no way to change it to a 'drawable' programmatically using standard APIs. You may achieve your goal by using a widget instead o...
https://stackoverflow.com/ques... 

SQlite Getting nearest locations (with latitude and longitude)

... 1) At first filter your SQLite data with a good approximation and decrease amount of data that you need to evaluate in your java code. Use the following procedure for this purpose: To have a deterministic threshold and more accurate filter on data, It is better to calcula...
https://stackoverflow.com/ques... 

How to get the full path of running process?

I am having a application that is changing some settings of other application (it is a simple C# application that run by double clicking (no setup required)). ...