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Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
...esolution to take return type into account for method group conversions in order to make the behaviour more intuitive, but I do understand it would do so at the cost of consistency. (The same can be said of generic type inference as applied to method group conversions when there's only one method in...
Tree data structure in C#
...Where does node come from? Does it mean I have to iterate over the tree in order to use the search code?
– BadmintonCat
Oct 1 '15 at 16:25
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Parsing JSON with Unix tools
...is faster. Opening an editor to write a script is distracting.
grep -o is orders of magnitude faster than the Python standard json library, at least when doing this for tweets (which are ~2 KB each). I'm not sure if this is just because json is slow (I should compare to yajl sometime); but in prin...
Swift Beta performance: sorting arrays
...
type and size as the old one, with its elements in the correct sorted
order.
The sort function has two declarations.
The default declaration which allows you to specify a comparison closure:
func sort<T>(array: T[], pred: (T, T) -> Bool) -> T[]
And a second declaration that on...
Big-O for Eight Year Olds? [duplicate]
...he input, or storing it in such as way that you can read it back in sorted order.
– chepner
May 6 '15 at 17:20
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How do I list all files of a directory?
...x.2: How to copy all files from a directory to another?
A script to make order in your computer finding all files of a type (default: pptx) and copying them in a new folder.
import os
import shutil
from path import path
destination = "F:\\file_copied"
# os.makedirs(destination)
def copyfile(dir...
How to use npm with node.exe?
...npm.cmd files from c:\nodejs\node_modules\npm\bin to c:\nodejs folder
In order to test npm, open cmd.exe change working directory to c:\nodejs and type npm --version. You will see the version of npm if it is setup correctly.
Once setup is done, it can be used to install/uninstall packages locally...
Possible to do a MySQL foreign key to one of two possible tables?
...NUMBER` INNER JOIN `playlists` as s4 ON s4.`NUMBER` = s2.`RELATIVE NUMBER` ORDER BY s3.`PLAYLIST POSITION`,`s1`.`SONG POSITION`"
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How to convert URL parameters to a JavaScript object?
... on approach
Starting ES6 and on, Javascript offers several constructs in order to create a performant solution for this issue.
This includes using URLSearchParams and iterators
let params = new URLSearchParams('abc=foo&def=%5Basf%5D&xyz=5');
params.get("abc"); // "foo"
Should your use ...
SPAN vs DIV (inline-block)
...nces between Inline-Elements (e.g. span) and Block-Elements (e.g. div), in order to understand why "display: inline-block" is so useful.
Problem: inline elements (e.g. span, a, button, input etc.) take "margin" only horizontally (margin-left and margin-right) on, not vertically. Vertical spacing wor...