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How to benchmark efficiency of PHP script
...u're working in dev/staging, and XHProf is a great tool for production and it's safe to run it there (as long as you read the instructions). The results of any one single page load aren't going to be as relevant as seeing how your code performs while the server is getting hammered to do a million ot...
REST HTTP status codes for failed validation or invalid duplicate
I'm building an application with a REST-based API and have come to the point where i'm specifying status codes for each requests.
...
Best way to structure a tkinter application? [closed]
...vocate an object oriented approach. This is the template that I start out with:
# Use Tkinter for python 2, tkinter for python 3
import tkinter as tk
class MainApplication(tk.Frame):
def __init__(self, parent, *args, **kwargs):
tk.Frame.__init__(self, parent, *args, **kwargs)
s...
Why doesn't C# support the return of references?
...he great question!
The C# team is considering this for C# 7. See https://github.com/dotnet/roslyn/issues/5233 for details.
UPDATE: The feature made it in to C# 7!
You are correct; .NET does support methods that return managed references to variables. .NET also supports local variables that cont...
How would you go about parsing Markdown? [closed]
... know of, that uses an actual parser, is Jon MacFarleane’s peg-markdown. Its parser is based on a Parsing Expression Grammar parser generator called peg.
EDIT: Mauricio Fernandez recently released his Simple Markup Markdown parser, which he wrote as part of his OcsiBlog Weblog Engine. Because the...
“The underlying connection was closed: An unexpected error occurred on a send.” With SSL Certificate
...NECTION WAS CLOSED: AN UNEXPECTED ERROR OCCURRED ON A SEND" in my logs and it is breaking our OEM integration with our email marketing system at random times varying from [1hour - 4 hours]
...
Is there any difference between GROUP BY and DISTINCT
...
MusiGenesis' response is functionally the correct one with regard to your question as stated; the SQL Server is smart enough to realize that if you are using "Group By" and not using any aggregate functions, then what you actually mean is "Distinct" - and therefore it generates a...
Difference between object and class in Scala
...object O creates a singleton object O as instance of some anonymous class; it can be used to hold static members that are not associated with instances of some class.
object O extends T makes the object O an instance of trait T; you can then pass O anywhere, a T is expected.
if there is a class C, t...
How do JavaScript closures work?
How would you explain JavaScript closures to someone with a knowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves?
...
How do I download a binary file over HTTP?
...'net/http'
# Must be somedomain.net instead of somedomain.net/, otherwise, it will throw exception.
Net::HTTP.start("somedomain.net") do |http|
resp = http.get("/flv/sample/sample.flv")
open("sample.flv", "wb") do |file|
file.write(resp.body)
end
end
puts "Done."
Edit: Changed....