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Extracting extension from filename in Python
... Well, in that case, .asd is really the extension!! If you think about it, foo.tar.gz is a gzip-compressed file (.gz) which happens to be a tar file (.tar). But it is a gzip file in first place. I wouldn't expect it to return the dual extension at all.
– nosklo
...
sprintf like functionality in Python
...uf = StringIO.StringIO()
>>> sprintf(buf, "A = %d, B = %s\n", 3, "foo")
>>> sprintf(buf, "C = %d\n", 5)
>>> print(buf.getvalue())
A = 3, B = foo
C = 5
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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...
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
}
);
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...
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
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...
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.
...