大约有 30,000 项符合查询结果（耗时：0.0469秒） [XML]
Best way to write to the console in PowerShell
... writes to the console, not to the pipeline (Do-Something will not get the string):
Write-Host "hello world" | Do-Something
share
|
improve this answer
|
follow
...
Jackson databind enum case insensitive
How can I deserialize JSON string that contains enum values that are case insensitive? (using Jackson Databind)
13 Answers...
Does .asSet(…) exist in any API?
...with Java 8 you can do this without need of third-party framework:
Set<String> set = Stream.of("a","b","c").collect(Collectors.toSet());
See Collectors.
Enjoy!
share
|
improve this answer
...
Correctly determine if date string is a valid date in that format
I'm receiving a date string from an API, and it is formatted as yyyy-mm-dd .
16 Answers
...
Why does Maven warn me about encoding?
...er encoding scheme to be applied when filtering resources.
Type: java.lang.String
Required: No
User Property: encoding
Default: ${project.build.sourceEncoding}
So this means you only need to define this property and the plugin will automatically use this encoding.
...
Regex group capture in R with multiple capture-groups
...
str_match(), from the stringr package, will do this. It returns a character matrix with one column for each group in the match (and one for the whole match):
> s = c("(sometext :: 0.1231313213)", "(moretext :: 0.111222)")
> str_match(s, "\\...
Null vs. False vs. 0 in PHP
...ot found anything, but 0 if it has found something at the beginning of the string !
<?php
// pitfall :
if (strrpos("Hello World", "Hello")) {
// never exectuted
}
// smart move :
if (strrpos("Hello World", "Hello") !== False) {
// that works !
}
?>
And of course, if you deal with ...
Swift class introspection & generics
...
Well, for one, the Swift equivalent of [NSString class] is .self (see Metatype docs, though they're pretty thin).
In fact, NSString.class doesn't even work! You have to use NSString.self.
let s = NSString.self
var str = s()
str = "asdf"
Similarly, with a swift cl...
Execution of Python code with -m option or not
...east the possibility of a package, so the __package__ variable is set to a string value; in the above demonstration it is set to 'foo.bar', for plain modules not inside a package it is set to an empty string.
As for the __main__ module, Python imports scripts being run as it would import regular mod...
How do you perform a CROSS JOIN with LINQ to SQL?
...
The same thing with linq extension methods:
var names = new string[] { "Ana", "Raz", "John" };
var numbers = new int[] { 1, 2, 3 };
var newList=names.SelectMany(
x => numbers,
(y, z) => { return y + z + " test "; });
foreach (var item in newList)
{
Console.WriteLine(...