大约有 47,000 项符合查询结果（耗时：0.0630秒） [XML]
Error - trustAnchors parameter must be non-empty
...
btw this happens e.g. when switching from OracleJDK8 to OpenJDK8 since OpenJDK comes with an empty trust store. Copying the one from OpenJDK11 fixes the problem
– light_303
Nov 13 '18 at 9:38
...
What JSON library to use in Scala? [closed]
... to Scala version 2.9.x (removed in newer versions)
spray-json - Extracted from the Spray project
Jerkson ± - Warning a nice library (built on top of Java Jackson) but now abandonware. If you are going to use this, probably follow the Scalding project's example and use the backchat.io fork
sjson - ...
Redirect stderr and stdout in Bash
... part of POSIX, but the bash man page makes no mention of it being removed from bash in the near future. The man page does specify a preference for '&>' over '>&', which is otherwise equivalent.
– chepner
Jul 16 '12 at 20:45
...
Save ArrayList to SharedPreferences
...commit();
You can also serialize your ArrayList and then save/read it to/from SharedPreferences. Below is the solution:
EDIT:
Ok, below is the solution to save ArrayList as a serialized object to SharedPreferences and then read it from SharedPreferences.
Because API supports only storing and retri...
Removing the fragment identifier from AngularJS urls (# symbol)
Is it possible to remove the # symbol from angular.js URLs?
14 Answers
14
...
Can you explain the HttpURLConnection connection process?
...// instantiate OutputStreamWriter using the output stream, returned
// from getOutputStream, that writes to this connection.
// 2. This is the point where you'll know if the connection was
// successfully established. If an I/O error occurs while creating
// the output stream, you'll...
How to free memory in Java?
... they
currently occupy available for quick
reuse. When control returns from the
method call, the Java Virtual Machine
has made a best effort to reclaim
space from all discarded objects.
share
|
...
In mongoDb, how do you remove an array element by its index?
...ions. If we need the operation to be atomic, we could:
Read the document from the database
Update the document and remove the item in the array
Replace the document in the database. To ensure the document has not changed since we read it, we can use the update if current pattern described in the m...
How to check if variable is string with python 2 and 3 compatibility
...'re writing 2.x-and-3.x-compatible code, you'll probably want to use six:
from six import string_types
isinstance(s, string_types)
share
|
improve this answer
|
follow
...
Sending images using Http Post
I want to send an image from the android client to the Django server using Http Post. The image is chosen from the gallery. At present, I am using list value name Pairs to send the necessary data to the server and receiving responses from Django in JSON. Can the same approach be used for images (wit...