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Haskell Type vs Data Constructor
...ide what arguments they are going to put in.
A case study
As the home stretch here, we can consider the Maybe a type. Its definition is
data Maybe a = Nothing
| Just a
Here, Maybe is a type constructor that returns a concrete type. Just is a data constructor that returns a value. N...
What does “dereferencing” a pointer mean?
...igher level libraries and applications, but code for OSes, device drivers, etc. may need to rely on behaviour left undefined by the C or C++ Standard, that is nevertheless well defined by their specific implementation or hardware.
...
What are the effects of exceptions on performance in Java?
... the exceptions themselves, the exact actions taken in exception handlers, etc.
The upshot is that when an exception isn't thrown, you don't pay a cost, so when the exceptional condition is sufficiently rare exception handling is faster than using an if every time. The full post is very much worth...
How to strip HTML tags from a string in SQL Server?
...tween the tags. Ideally also replacing things like &lt; with < , etc.
11 Answers
...
How do I list all files of a directory?
...name:
import os
# Getting the current work directory (cwd)
thisdir = os.getcwd()
# r=root, d=directories, f = files
for r, d, f in os.walk(thisdir):
for file in f:
if file.endswith(".docx"):
print(os.path.join(r, file))
os.listdir(): get files in the current directory...
What does the Java assert keyword do, and when should it be used?
... try to trap, log, or retry/recover from OutOfMemoryError, AssertionError, etc.
– Aleksandr Dubinsky
Jun 16 '16 at 21:39
1
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Is it possible to cache POST methods in HTTP?
...the cached entity (per section 13.10), so that e.g. a subsequent GET must fetch a fersh copy and b) that the POST's response can be cached (per section 9.5), so that e.g. a subsequent POST can receive the same response?
– Diomidis Spinellis
Aug 14 '11 at 21:12
...
What is the scope of variables in JavaScript?
...body
Ordinary block
The top of a control structure (e.g., loop, if, while, etc.)
Control structure body
Modules
Declaration Styles
var
Identifiers declared using var have function scope, apart from when they are declared directly in the global context, in which case they are added as properties on ...
is there a css hack for safari only NOT chrome?
... by posting a comment about it, Post Your Browser and Device (MacBook/IPad/etc... with both browser and OS version numbers!)
Claiming none of these work is not accurate (and actually not even possible.) Many of these are not really 'hacks' but code built into versions of Safari by Apple. More info i...
Best practices/guidance for maintaining assembly version numbers
...lso mean different things depending on the context, is it an API, Web App, etc.
Major.Minor.Build.Revision
Revision This is the number taken from source control to identify what
was actually built.
Build This is an ever increasing number that can be used to find a
particular build on the build s...