大约有 12,000 项符合查询结果（耗时：0.0333秒） [XML]
Groovy executing shell commands
...
I find this more idiomatic:
def proc = "ls foo.txt doesnotexist.txt".execute()
assert proc.in.text == "foo.txt\n"
assert proc.err.text == "ls: doesnotexist.txt: No such file or directory\n"
As another post mentions, these are blocking calls, but since we want to wor...
How to create module-wide variables in Python? [duplicate]
... a module-global variable is just assign to a name.
Imagine a file called foo.py, containing this single line:
X = 1
Now imagine you import it.
import foo
print(foo.X) # prints 1
However, let's suppose you want to use one of your module-scope variables as a global inside a function, as in yo...
Creating an instance using the class name and calling constructor
... to use a dollar (as that's what the compiler uses). For example:
package foo;
public class Outer
{
public static class Nested {}
}
To obtain the Class object for that, you'd need Class.forName("foo.Outer$Nested").
s...
Copy to clipboard in Node.js?
... argument:
require('child_process').exec(
"CopyToClipboard.exe \"test foo bar\"",
function(err, stdout, stderr) {
console.log(stdout); // to confirm the application has been run
}
);
share
|
...
Static Block in Java [duplicate]
... to write non-static initializers, which look even stranger:
public class Foo {
{
// This code will be executed before every constructor
// but after the call to super()
}
Foo() {
}
}
shar...
if (key in object) or if(object.hasOwnProperty(key)
...
@Lor: ({foo:"bar"}).hasOwnProperty("toString") vs "toString" in ({foo:"bar"})
– I Hate Lazy
Nov 29 '12 at 19:24
...
How do I merge two javascript objects together in ES6+?
.../en-US/docs/Web/JavaScript/Reference/… Running babel-node: const ob1 = {foo: 123}; const ob2 = {bar: 234}; const merged = {...ob1, ...ob2}; console.log(merged) Output: { foo: 123, bar: 234 }
– Thijs Koerselman
Sep 4 '15 at 18:52
...
Pipe to/from the clipboard in Bash script
...hanges to apply.
Usage
You can now use setclip and getclip, e.g:
$ echo foo | setclip
$ getclip
foo
share
|
improve this answer
|
follow
|
...
grep a file, but show several surrounding lines?
... match and -A num for the number of lines after the match.
grep -B 3 -A 2 foo README.txt
If you want the same number of lines before and after you can use -C num.
grep -C 3 foo README.txt
This will show 3 lines before and 3 lines after.
...
Is there a format code shortcut for Visual Studio?
...ea what happens when you activate it^^) so the formatter always changes if(foo) bar; to if(foo) { bar; }. executing Edit.FormatSelection doesn’t change that. Might be a bug, gonna report it if I cannot find anything.
– bugybunny
Oct 26 '18 at 7:18
...