大约有 7,000 项符合查询结果（耗时：0.0180秒） [XML]
How can I remove the string “\n” from within a Ruby string?
... use String#delete (or its mutator equivalent String#delete!), e.g.:
x = "foo\nfoo"
x.delete!("\n")
x now equals "foofoo"
In this specific case String#delete is more readable than gsub since you are not actually replacing the string with anything.
...
How do you pass custom environment variable on Amazon Elastic Beanstalk (AWS EBS)?
...I to set environment variables.
To set an environment variable: eb setenv FOO=bar
To view the environment variables: eb printenv
share
|
improve this answer
|
follow
...
How to convert a PIL Image into a numpy array?
...to a numpy array this way:
import numpy
import PIL
img = PIL.Image.open("foo.jpg").convert("L")
imgarr = numpy.array(img)
share
|
improve this answer
|
follow
...
What can , and be used for?
...so that it's available by #{id} in the view.
So when you open the page as foo.xhtml?id=10 then the parameter value 10 get set in the bean this way, right before the view is rendered.
As to validation, the following example sets the param to required="true" and allows only values between 10 and 20. ...
How to write lists inside a markdown table?
... I'm happy to confirm that the first one (embedded <ul><li>foo</li></ul>) also works on Bitbucket Server.
– nwinkler
Dec 9 '16 at 15:27
...
Adding a new value to an existing ENUM Type
...e 9.1 you can do it all with ALTER TYPE. But even before that, ALTER TABLE foo ALTER COLUMN bar TYPE new_type USING bar::text::new_type; was far superior.
– Erwin Brandstetter
Nov 18 '11 at 22:46
...
pypi UserWarning: Unknown distribution option: 'install_requires'
...f I only want to build an extension in-place?
– Fred Foo
May 24 '12 at 11:41
12
The warning doesn...
How to compare type of an object in Python?
...
isinstance works:
if isinstance(obj, MyClass): do_foo(obj)
but, keep in mind: if it looks like a duck, and if it sounds like a duck, it is a duck.
EDIT: For the None type, you can simply do:
if obj is None: obj = MyClass()
...
Backbone.js: get current route
...
FYI, this doesn't work with routes like 'foo/:id' or 'bar*params'
– wprl
Apr 24 '13 at 19:32
2
...
How can I pass a parameter to a setTimeout() callback?
...
I just use var that = this; setTimeout( function() { that.foo(); }, 1000);
– Ed Williams
Jun 7 '13 at 6:41
...