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HTTP POST Returns Error: 417 “Expectation Failed.”
... to Twitter that suddenly stopped working the day after Christmas. They'd done an upgrade or config change that caused their servers to start choking on that header. It was a pain to find the fix.
– xcud
Feb 19 '09 at 20:00
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Get protocol, domain, and port from URL
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Or just turn it into a one-liner: window.location.href.split('/').slice(0, 3).join('/')
– Ryan McGeary
May 16 '17 at 19:35
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How to generate a random int in C?
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It is a common practice alright, but not the correct one. See this and this.
– Lazer
Aug 1 '10 at 7:33
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jQuery Mobile: document ready vs. page events
... until (including) jQuery Mobile 1.5, so you can still use everything mentioned below, at least until next year and jQuery Mobile 1.6.
Old events, including pageinit don't exist any more, they are replaced with pagecontainer widget. Pageinit is erased completely and you can use pagecreate instead, ...
How to export revision history from mercurial or git to cvs?
...do. My suggestions (and what we do here at $work):
Creating the Initial Clone
Use git cvsimport to clone the CVS revision history into a git repository. I use the following invocation:
% git cvsimport -d $CVSROOT -C dir_to_create -r cvs -k \
-A /path/to/authors/file cvs_module_to_checkout
The -...
Question mark and colon in JavaScript
... To be pedantic, it's a ternary operator, which happens to be the only one in most programming languages. Any operator that works on 3 parts is a ternary operator, just like addition is a binary operator that operates on the preceding and following expressions (e.g. 1+2 the plus operates on 1 a...
What's the difference between “Architectures” and “Valid Architectures” in Xcode Build Settings?
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Architectures are the ones you want to build, valid architectures are the ones you could conceive of building with your codebase.
So maybe you only want to build your binary for armv7s, but the same source code would compile fine for armv7 and ar...
Default string initialization: NULL or Empty? [closed]
...itialized at all? You don't have to initialize a variable when you declare one, and IMO, you should only do so when the value you are assigning is valid in the context of the code block.
I see this a lot:
string name = null; // or String.Empty
if (condition)
{
name = "foo";
}
else
{
name = "ba...
When should you not use virtual destructors?
...irtual destructor for a class? When should you specifically avoid writing one?
12 Answers
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How can I extract embedded fonts from a PDF as valid font files?
...hey include just the subset of glyphs used in the document.
Using pdftops
One of the most frequently used methods to do this on *nix systems consists of the following steps:
Convert the PDF to PostScript, for example by using XPDF's pdftops (on Windows: pdftops.exe helper program.
Now fonts will b...