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Multi-line regex support in Vim
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@JIXiang For lazy match on foo bar \n foo baz \n foo, try /foo\_.\{-}foo
– James M. Lay
Mar 7 '17 at 17:52
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How does delete[] know it's an array?
...s for every allocated chunk of memory.
That is, if your code simply does
Foo* foo = new Foo;
then the memory space that's allocated for foo shouldn't include any extra overhead that would be needed to support arrays of Foo.
Since only array allocations are set up to carry the extra array size i...
How to get an object's properties in JavaScript / jQuery?
...alues by either invoking JavaScript's native for in loop:
var obj = {
foo: 'bar',
base: 'ball'
};
for(var key in obj) {
alert('key: ' + key + '\n' + 'value: ' + obj[key]);
}
or using jQuery's .each() method:
$.each(obj, function(key, element) {
alert('key: ' + key + '\n' + ...
Difference between PCDATA and CDATA in DTD
...nd it'll have no content, but one child.
<?xml version="1.0"?>
<foo>
<bar><test>content!</test></bar>
</foo>
When we want to specify that an element will only contain text, and no child elements, we use the keyword PCDATA, because this keyword specifies ...
How can I visualize per-character differences in a unified diff file?
...taining the diff, make sure that you're in diff-mode (if the file is named foo.diff or foo.patch this happens automatically; otherwise type M-x diff-mode RET), go to the hunk you are interested in and hit C-c C-b for refine-hunk. Or step through the file one hunk at a time with M-n; that will do th...
How to show line number when executing bash script
...on currently executing).
For example, if your script reads:
$ cat script
foo=10
echo ${foo}
echo $((2 + 2))
Executing it thus would print line numbers:
$ PS4='Line ${LINENO}: ' bash -x script
Line 1: foo=10
Line 2: echo 10
10
Line 3: echo 4
4
http://wiki.bash-hackers.org/scripting/debuggingti...
What does placing a @ in front of a C# variable name do? [duplicate]
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It's just a way to allow declaring reserved keywords as vars.
void Foo(int @string)
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In CSS what is the difference between “.” and “#” when declaring a set of styles?
...arget multiple elements with a particular class. To put it another way:
#foo {} will style the single element declared with an attribute id="foo"
.foo {} will style all elements with an attribute class="foo" (you can have multiple classes assigned to an element too, just separate them with spaces,...
Access data in package subdirectory
...sing files within packages that do not have slashes in their names, i.e.
foo/
__init__.py
module1.py
module2.py
data/
data.txt
data2.txt
i.e. you could access data2.txt inside package foo with for example
importlib.resources.open_binary('foo', 'data2.txt')
but it...
How to get just one file from another branch
... useful to avoid conflict with branch names. For example, git checkout -- foo means "check out file foo from HEAD" (ie. overwrite local changes in foo, ie. a subset of git reset --hard), but git checkout foo could mean that or "let's go to branch foo".
– Alois Mahdal
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