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How to open a file for both reading and writing?
...o position 0 (i.e. the beginning). truncate() truncate the file to the provided number of bytes, i.e. removes all of the file content after the specified number of bytes. Imagine that your file has the string Hello, world and you write Bye. If you don't truncate() the content at the end will be Byel...
How to programmatically disable page scrolling with jQuery
... current scroll position (don't forget horizontal axis!).
Set overflow to hidden (probably want to retain previous overflow value).
Scroll document to stored scroll position with scrollTo().
Then when you're ready to allow scrolling again, undo all that.
Edit: no reason I can't give you the code ...
When serving JavaScript files, is it better to use the application/javascript or application/x-javas
.../javascript is obsolete
application/x-javascript was experimental while deciding to move to…
application/javascript is the current official MIME type for JS
That said, browsers often ignore the content-type sent by the server and pay a lot of attention to the type attribute (and some may not yet...
How do I write good/correct package __init__.py files
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__all__ is very good - it helps guide import statements without automatically importing modules
http://docs.python.org/tutorial/modules.html#importing-from-a-package
using __all__ and import * is redundant, only __all__ is needed
I think one of the most pow...
Getting the IP address of the current machine using Java
...officially but it looks like an integral trait of Berkeley sockets API (a side effect of UDP "connected" state) that works reliably in both Windows and Linux across versions and distributions.
So, this method will give the local address that would be used to connect to the specified remote host. T...
Golang: How to pad a number with zeros when printing?
... can I print a number or make a string with zero padding to make it fixed width?
6 Answers
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Extracting substrings in Go
...e bugs. This strips the last byte off the string, which may render it invalid UTF-8 (or other multibyte encoding).
– dr. Sybren
Oct 24 '17 at 10:53
3
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instantiate a class from a variable in PHP?
...tantiating a class from another namespace would be huge headache. Also consider that variables can be passed around. When the classname is written as text into a php file, whoever writes it knows exactly what namespace it is written in. But when a variable is passed between functions, it'd be a nigh...
Why is git prompting me for a post-pull merge commit message?
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In git 1.7.10, the git developers decided merge commits could be made too easily. As explained in this blog post, forcing the interactive commit message behavior should make those commit messages more detailed and could reduce the overall frequency of unnecessar...
What is a reasonable order of Java modifiers (abstract, final, public, static, etc.)?
...tile
synchronized
native
strictfp
Update: There is a new "Java Style Guidelines" initiative in place for projects in the OpenJDK community. It also has a recommendation for a modifier order and also includes the new default modifier of Java 8.
public / private / protected
abstract
static
final
t...