大约有 3,800 项符合查询结果（耗时：0.0192秒） [XML]
Rename a dictionary key
...n entirely new one using a comprehension.
>>> OrderedDict(zip('123', 'abc'))
OrderedDict([('1', 'a'), ('2', 'b'), ('3', 'c')])
>>> oldkey, newkey = '2', 'potato'
>>> OrderedDict((newkey if k == oldkey else k, v) for k, v in _.viewitems())
OrderedDict([('1', 'a'), ('pota...
How does tuple comparison work in Python?
...
the same thing goes for integers too.
x = (1,2,2) # see it the string "123"
y = (1,2,3)
x > y # False
because (1 is not greater than 1, move to the next, 2 is not greater than 2, move to the next 2 is less than three -lexicographically -)
The key point is mentioned in the answer ab...
How to assign name for a screen? [closed]
...ie Alpert
120k3535 gold badges206206 silver badges231231 bronze badges
answered Jul 8 '10 at 9:29
miedwarmiedwar
7,10011 gold badg...
Replace comma with newline in sed on MacOS?
...
123
sed 's/,/\
/g'
works on Mac OS X.
...
Error handling with node.js streams
... something like ...
var a = createStream();
a.pipe(b).pipe(c).on('error', function(e){handleError(e)});
... would only listen for errors on the stream c. If an error event was emitted on a, that would not be passed down and, in fact, would throw. To do this correctly:
var a = createStream();
a.o...
Hidden Features of Visual Studio (2005-2010)?
...
123
votes
Make a selection with ALT pressed - selects a square of text instead of who...
how to read System environment variable in Spring applicationContext
...rop");
For a single property in a @Bean
@Value("${my.another.property:123}") // value after ':' is the default
Integer property;
Another way are the handy @ConfigurationProperties beans:
@ConfigurationProperties(prefix="my.properties.prefix")
public class MyProperties {
// value from my....
Multi-line string with extra space (preserved indentation)
...
Fun thing is, I found you answer when trying to set value for USAGE variable too. So your answer matches exactly. :)
– Bunyk
Mar 22 '18 at 13:52
...
EC2 Instance Cloning
...
123
The easier way is through the web management console:
go to the instance
select the instanc...
How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
...can be O(n^2). You have been warned.
You just need to add a new subscript function that takes a range and uses advancedBy() to walk to where you want:
import Foundation
extension String {
subscript (r: Range<Int>) -> String {
get {
let startIndex = self.startIndex...