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How do I get the parent directory in Python?
... this solution is sensitive to trailing os.sep. Say os.sep=='/'. dirname(foo/bar) -> foo, but dirname(foo/bar/) -> foo/bar
– marcin
Sep 10 '12 at 13:28
6
...
What is the use of static constructors?
... we had this class:
class ScopeMonitor
{
static string urlFragment = "foo/bar";
static string firstPart= "http://www.example.com/";
static string fullUrl= firstPart + urlFragment;
}
When you access fullUr, it will be "http://www.example.com/foo/bar".
Months later you're cleaning up y...
How to map with index in Ruby?
... I believe this is the better answer, because it will work with map! foo = ['d'] * 5; foo.map!.with_index { |x,i| x * i }; foo #=> ["", "d", "dd", "ddd", "dddd"]
– Connor McKay
Feb 27 '14 at 21:47
...
How to “git clone” including submodules?
...stead of --recursive:
git clone --recurse-submodules -j8 git://github.com/foo/bar.git
cd bar
Editor’s note: -j8 is an optional performance optimization that became available in version 2.8, and fetches up to 8 submodules at a time in parallel — see man git-clone.
With version 1.9 of Git up u...
Which is more correct: … OR …
...pying 100% width by default.
The following shows how a focused <a href=foo><h1>link</h1></a> is rendered by Chrome:
This implies that if you style elements e.g. by setting a background color for links, the effects differ in a similar manner.
Historically, <a><h1...
Why doesn't ruby support method overloading?
...g, where you can distinguish between different types of arguments
f(1)
f('foo')
f(true)
as well as between different number of arguments
f(1)
f(1, 'foo')
f(1, 'foo', true)
The first distinction does not exist in ruby. Ruby uses dynamic typing or "duck typing". The second distinction can be ha...
How to write a switch statement in Ruby
...nstead.
case x
when 1..5
"It's between 1 and 5"
when 6
"It's 6"
when "foo", "bar"
"It's either foo or bar"
when String
"You passed a string"
else
"You gave me #{x} -- I have no idea what to do with that."
end
Ruby compares the object in the when clause with the object in the case clause...
Multiple commands on same line
...
exe "echo 'foo' \n echo 'bar'"
– Tinmarino
Aug 10 '17 at 13:25
...
CSS selector - element with a given child [duplicate]
...his use case once implemented.
To use it, we will write something like:
.foo > .bar:has(> .baz) { /* style here */ }
In a structure like:
<div class="foo">
<div class="bar">
<div class="baz">Baz!</div>
</div>
</div>
This CSS will target the .b...
What is a web service endpoint?
Let's say my web service is located at http://localhost:8080/foo/mywebservice and my WSDL is at http://localhost:8080/foo/mywebservice?wsdl .
...