大约有 13,922 项符合查询结果（耗时：0.0227秒） [XML]
What is compiler, linker, loader?
... +=================+
| |
| Lexical Analyzer|
| |
+-----------------+
| |
| Syntax Analyzer |
| |
+-----------------+
| ...
How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?
... Java, did not get generics. This means that, at run time, only the class exists, not its type parameters. In the example, JVM knows it is handling a scala.collection.immutable.List, but not that this list is parameterized with Int.
Fortunately, there's a feature in Scala that lets you get around th...
Replace a value in a data frame based on a conditional (`if`) statement
... what if you have multiple columns?
– geodex
Apr 19 '15 at 21:33
add a comment
|
...
How can I dynamically set the position of view in Android?
How can I change the position of view through code? Like changing its X, Y position. Is it possible?
12 Answers
...
pinterest api documentation [closed]
...y to guess). All of the above endpoints require an access_token parameter except for the login endpoint.
To generate a valid access_token, the developer will need to be granted access to the API by Pinterest which we all know is currently almost impossible.
Another option is to write a script to s...
How to use glob() to find files recursively?
... with a dot (.); like files in the current directory or hidden files on Unix based system, use the os.walk solution below.
os.walk
For older Python versions, use os.walk to recursively walk a directory and fnmatch.filter to match against a simple expression:
import fnmatch
import os
matches = []
fo...
CoffeeScript, When to use fat arrow (=>) over arrow (->) and vice versa
...nstructor: (@msg) ->
thin: -> alert @msg
fat: => alert @msg
x = new A("yo")
x.thin() #alerts "yo"
x.fat() #alerts "yo"
fn = (callback) -> callback()
fn(x.thin) #alerts "undefined"
fn(x.fat) #alerts "yo"
fn(-> x.thin()) #alerts "yo"
As you see, you may run into problems pas...
Map and Reduce in .NET
...it under different names.
Map is Select:
Enumerable.Range(1, 10).Select(x => x + 2);
Reduce is Aggregate:
Enumerable.Range(1, 10).Aggregate(0, (acc, x) => acc + x);
Filter is Where:
Enumerable.Range(1, 10).Where(x => x % 2 == 0);
https://www.justinshield.com/2011/06/mapreduce-in-c...
Make xargs handle filenames that contain spaces
My command fails because the file "Lemon Tree.mp3" contains spaces and so xargs thinks it's two files. Can I make find + xargs work with filenames like this?
...
Clear terminal in Python [duplicate]
Does any standard "comes with batteries" method exist to clear the terminal screen from a Python script, or do I have to go curses (the libraries, not the words)?
...