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What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?
...ent types are defined in the namespace of the function.
A simple code example:
namespace MyNamespace
{
class MyClass {};
void doSomething(MyClass);
}
MyNamespace::MyClass obj; // global object
int main()
{
doSomething(obj); // Works Fine - MyNamespace::doSomething() is called...
Convert Object to JSON string
...
SPL = Standard PHP Library. Guess in this case is would be SJL (standard javascript library).
– David J Eddy
Oct 30 '13 at 15:24
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Paste multiple columns together
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@baptiste ..possible without do.call?
– Anthony Damico
Jan 28 '13 at 23:11
1
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What is the difference between tree depth and height?
...n't cause bugs in any programs! Thanks.
From the OpenDSA Data Structures & Algos book:
If n1, n2,...,nk is a sequence of nodes in the tree such
that ni is the parent of ni+1 for 1<=i<k, then this sequence
is called a path from n1 to nk. The length of the path is k−1.
If ther...
How does a Breadth-First Search work when looking for Shortest Path?
...can go. I guess the easiest way to explain my confusion is to provide an example:
7 Answers
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Multiprocessing: How to use Pool.map on a function defined in a class?
...
I also was annoyed by restrictions on what sort of functions pool.map could accept. I wrote the following to circumvent this. It appears to work, even for recursive use of parmap.
from multiprocessing import Process, Pipe
from itertools import izip
def spawn(f):
def fu...
MongoDB: Combine data from multiple collections into one..how?
...ed to have some key in both collections that you can use as an _id.
For example, let's say you have a users collection and a comments collection and you want to have a new collection that has some user demographic info for each comment.
Let's say the users collection has the following fields:
_i...
How can I increase the cursor speed in terminal? [closed]
...ing down a key - then have a look here:
http://hints.macworld.com/article.php?story=20090823193018149
To summarize, open up a Terminal window and type the following command:
defaults write NSGlobalDomain KeyRepeat -int 0
More detail from the article:
Everybody knows that you can get a pretty fast...
Tree view of a directory/folder in Windows? [closed]
...e "tree /F" to view a tree of the current folder and all descending files & folders.
In File Explorer under Windows 8.1:
Select folder
Press Shift, right-click mouse, and select "Open command window here"
Type tree /f > tree.txt and press Enter
Use MS Word to open "tree.txt"
The dialog box...
How can I parse a YAML file in Python
...d via pip install pyyaml:
#!/usr/bin/env python
import yaml
with open("example.yaml", 'r') as stream:
try:
print(yaml.safe_load(stream))
except yaml.YAMLError as exc:
print(exc)
And that's it. A plain yaml.load() function also exists, but yaml.safe_load() should always be ...