大约有 31,000 项符合查询结果（耗时：0.0610秒） [XML]
NSUserDefaults removeObjectForKey vs. setObject:nil
...g stored. Possibly an NSNull object reference, but I am not positive.
To completely remove a value for a key use UserDefaults.standard.removeObject(forKey: "YourDefault")
I tested with the following code:
UserDefaults.standard.set(["a", "b", "c"], forKey: "MyDefaults")
print("Test A: My saved de...
How to set -source 1.7 in Android Studio and Gradle
I'm getting following error when trying to compile my project in Android Studio:
8 Answers
...
How to create an exit message
...
re. Mike Stone's comment, it sometimes looks as though Ruby was written by a team of people who had no communication with one another, doesn't it? (Still, it's so easy to program in it.)
– JellicleCat
Ma...
How to get the class of the clicked element?
...
add a comment
|
39
...
Create a File object in memory from a string in Java
...
add a comment
|
77
...
How do I check the operating system in Python?
I want to check the operating system (on the computer where the script runs).
5 Answers
...
Mockito: InvalidUseOfMatchersException
I have a command line tool that performs a DNS check. If the DNS check succeeds, the command proceeds with further tasks. I am trying to write unit tests for this using Mockito. Here's my code:
...
Is JSON Hijacking still an issue in modern browsers?
...
|
show 3 more comments
...
Copy table without copying data
...
|
show 5 more comments
428
...
Performing regex Queries with pymongo
...r expression options (such as ignore case), try this:
import re
regx = re.compile("^foo", re.IGNORECASE)
db.users.find_one({"files": regx})
share
|
improve this answer
|
fo...