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How do I correctly clean up a Python object?
...>>> from package import *
>>> p = Package()
>>> q = Package()
>>> q.files = ['a', 'b', 'c']
>>> quit()
Running cleanup...
Unlinking file: a
Unlinking file: b
Unlinking file: c
Running cleanup...
...
How can I order a List?
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ListaServizi = ListaServizi.OrderBy(q => q).ToList();
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Return empty cell from formula in Excel
...Blank, and you will be able to use the following pattern just like in your question:
=IF(A1 = "Hello world", GetTrueBlank, A1)
Step 1. Put this code in Module of VBA.
Function Delete_UDF(rng)
ThisWorkbook.Application.Volatile
rng.Value = ""
End Function
Step 2. In Sheet1 in A1 cell add...
Reading GHC Core
...eral Haskell community has released via SO is staggering. Keep up the good Q's and A's, everybody!
– Dan Burton
May 26 '11 at 22:37
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
I want to create a database which does not exist through JDBC. Unlike MySQL, PostgreSQL does not support create if not exists syntax. What is the best way to accomplish this?
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Sharing a result queue among several processes
The documentation for the multiprocessing module shows how to pass a queue to a process started with multiprocessing.Process . But how can I share a queue with asynchronous worker processes started with apply_async ? I don't need dynamic joining or anything else, just a way for the workers to (r...
What is the difference between and ?
...f page uses hyphenation from CSS (hyphens: auto), then lang attribute is required to allow browser to select proper set of rules.
– RobertT
Oct 30 '14 at 2:42
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Can I run multiple programs in a Docker container?
...side single container. This is an example of a docker container running mysql, apache and wordpress within a single container.
Say, You have one database that is used by a single web application. Then it is probably easier to run both in a single container.
If You have a shared database that is us...
How do you implement a class in C? [closed]
...compilers) and I don't have dynamic memory allocation, what are some techniques I can use to implement a class, or a good approximation of a class? Is it always a good idea to isolate the "class" to a separate file? Assume that we can preallocate the memory by assuming a fixed number of instances, o...
How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?
(Note: This question is about not having to specify the number of elements and still allow nested types to be directly initialized.)
This question discusses the uses left for a C array like int arr[20]; . On his answer , @James Kanze shows one of the last strongholds of C arrays, it's unique i...