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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...
What does placing a @ in front of a C# variable name do? [duplicate]
...
It's just a way to allow declaring reserved keywords as vars.
void Foo(int @string)
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What exactly does git's “rebase --preserve-merges” do (and why?)
...commit d1e8b01, commit 4c68e7d, commit 9055e40, commit cb5206e, commit a01c2a5, commit 2f6b1d1, commit bf5c057 (25 Apr 2018) by Johannes Schindelin (dscho).
See commit f431d73 (25 Apr 2018) by Stefan Beller (stefanbeller).
See commit 2429335 (25 Apr 2018) by Phillip Wood (phillipwood).
(Merged by Ju...
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
...
Retrieving parameters from a URL
...
Python 2:
import urlparse
url = 'http://foo.appspot.com/abc?def=ghi'
parsed = urlparse.urlparse(url)
print urlparse.parse_qs(parsed.query)['def']
Python 3:
import urllib.parse as urlparse
from urllib.parse import parse_qs
url = 'http://foo.appspot.com/abc?def=gh...
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...