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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.
...
How do you parse and process HTML/XML in PHP?
... Javascript
Sort attributes, change character case, correct indentation, etc.
Extensible
Parsing documents using callbacks based on current character/token
Operations separated in smaller functions for easy overriding
Fast and Easy
Never used it. Can't tell if it's any ...
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
...
Tactics for using PHP in a high-load site
...l of the file concatenations, minification, file renaming to include hash, etc for all static content. It'll should only add a little processing overhead to the servers initially until the caches (and CDN(s)) are populated with most of the content. Also, for security, it's generally a bad idea to pu...
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...