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How do you use the ? : (conditional) operator in JavaScript?
...ed Aug 8 '19 at 12:57
CertainPerformance
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answered Jun 7 '11 at 2:13
...
Common MySQL fields and their appropriate data types
...monly used fields such as these. For instance, I have determined that an unformatted US phone number is too big to be stored as an unsigned int, it must be at least a bigint.
...
What's the best way to put a c-struct in an NSArray?
...structure p, not a pointer to it. The @encode directive provides all the information necessary about how big the structure is. When you release the NSValue (or when the array does), its copy of the structure is destroyed. If you've used getValue: in the meantime, you're fine. See the "Using Values" ...
CSS :after not adding content to certain elements
...es include images (<img> tags),
plugins (<object> tags), and form elements (<button>, <textarea>,
<input>, and <select> tags). All other elements types can be referred
to as non-replaced elements.
:before and :after only work with non-replaced elements.
F...
List of ANSI color escape sequences
...looking for are the Select Graphic Rendition subset. All of these have the form
\033[XXXm
where XXX is a series of semicolon-separated parameters.
To say, make text red, bold, and underlined (we'll discuss many other options below) in C you might write:
printf("\033[31;1;4mHello\033[0m");
In C++ y...
C++ templates Turing-complete?
...it :-) This code compiles (gcc-4.9) but gives no output - a little more information, like a blog post, would be great.
– Alfred Bratterud
Mar 11 '15 at 8:45
2
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Why doesn't JUnit provide assertNotEquals methods?
...read it the question was not about historical interest, but about a way to formulate the assertion "these two objects are not equal" in a JUnit test. I answered that. Considering the "why is/was there no assertNotEqual" I'd say that's because it's a specialized assert that's not needed as often as a...
Why don't Java's +=, -=, *=, /= compound assignment operators require casting?
...ignment Operators. An extract:
A compound assignment expression of the form E1 op= E2 is equivalent to E1 = (T)((E1) op (E2)), where T is the type of E1, except that E1 is evaluated only once.
An example cited from §15.26.2
[...] the following code is correct:
short x = 3;
x += 4.6...
How can you list the matches of Vim's search?
... -r<CR>:copen 33<CR>
" omit a dir from all searches to perform globally
set wildignore+=**/node_modules/**
" use perl regexes - src: http://andrewradev.com/2011/05/08/vim-regexes/
noremap / /\v
"
" STOP search related configs and helps
...
Finding a branch point with Git?
...wn when comparing identical branches, and coming up with an alternate diff form which removes the sed form from the mix, and makes this "safer" (i.e. it returns a result (namely, the most recent commit) even when you compare master to master):
As a .git-config line:
[alias]
oldest-ancestor = !...