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Test whether string is a valid integer
...you mind explaining it so I can learn a little? I gather it reads, "At the start of the string (^), a minus sign (-) is optional (?), followed by any number of characters between zero and 9, inclusive" ... and what then might the +$ mean? Thanks.
– Richard T
Fe...
What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
... of the boxes have an index, a position in the series of boxes. This index starts at 0, and ends at N-1, where N is the size of the array (the number of boxes).
To retrieve one of the values from this series of boxes, you can refer to it through its index, like this:
myArray[3]
Which will give y...
How do I include a file over 2 directories back?
...if it fails). From PHP doc:
If a path is defined — whether absolute (starting with a drive letter
or \ on Windows, or / on Unix/Linux systems) or relative to the
current directory (starting with . or ..) — the include_path will be
ignored altogether.
...
Using regular expressions to parse HTML: why not?
...indeed contain
http://example.com/whatever.jpg. But what happens when
you start getting HTML like this:
<img src='http://example.com/whatever.jpg'>
or
<img src=http://example.com/whatever.jpg>
or
<img border=0 src="http://example.com/whatever.jpg">
or
<img
src="ht...
Find and restore a deleted file in a Git repository
...
If you’re insane, use git-bisect. Here's what to do:
git bisect start
git bisect bad
git bisect good <some commit where you know the file existed>
Now it's time to run the automated test. The shell command '[ -e foo.bar ]' will return 0 if foo.bar exists, and 1 otherwise. The "run...
Get just the filename from a path in a Bash script [duplicate]
...
@Startec, because that's how you run an executable (like basname), capture it's output, and use that output within a bash command as if you had typed it in explicitly. It's similar to using backticks but with greater ease of n...
RESTful Services - WSDL Equivalent
...e client to wrap around the returned media-types. However, as soon as you start to create proxy classes around the service interactions you start to obscure the HTTP interactions and risk degenerating back towards a RPC model.
...
Create batches in linq
...
Once GroupBy starts enumeration, doesn't it have to fully enumerate its source? This loses lazy evaluation of the source and thus, in some cases, all of the benefit of batching!
– ErikE
Oct 27 '15 at...
Is it possible to use “/” in a filename?
...mply '\'? The best explanation I have so far is that if written with a pen starting on a line, from the bottom up, '/' moves right or 'forward' and '\' moves 'left' or 'back', when reading/writing from left to right. I don't really like that explanation though, in part because I don't always write m...
How do I print to the debug output window in a Win32 app?
...
@Zac. Thanks! The 4 lines starting with AllocConsole() worked great. Plus 1 for that. Nothing else was working, although I have gotten consoles to show up before in Win32 projects before using the /SUBSYSTEM:CONSOLE and/or _CONSOLE macros before. Don'...