大约有 23,000 项符合查询结果（耗时：0.0563秒） [XML]
How to make a class property? [duplicate]
...
[answer written based on python 3.4; the metaclass syntax differs in 2 but I think the technique will still work]
You can do this with a metaclass...mostly. Dappawit's almost works, but I think it has a flaw:
class MetaFoo(type):
@prop...
How to create a loop in bash that is waiting for a webserver to respond?
...
I wanted to limit the maximum number of attempts. Based on Thomas's accepted answer I made this:
attempt_counter=0
max_attempts=5
until $(curl --output /dev/null --silent --head --fail http://myhost:myport); do
if [ ${attempt_counter} -eq ${max_attempts} ];then
e...
initializing a boolean array in java
...rrays.fill(array, Boolean.FALSE);
Also note that the array index is zero based. The freq[Global.iParameter[2]] = false; line as you've there would cause ArrayIndexOutOfBoundsException. To learn more about arrays in Java, consult this basic Oracle tutorial.
...
Merge git repo into branch of another repo
...../bar
$ git remote update
Create a new branch baz in the foo repository based on whatever your current branch is:
$ git checkout -b baz
Merge branch somebranch from the bar repository into the current branch:
$ git merge --allow-unrelated-histories bar/somebranch
(--allow-unrelated-historie...
AngularJS validation with no enclosing
...e>AngularJS Plunker</title>
<script>document.write('<base href="' + document.location + '" />');</script>
<link rel="stylesheet" href="style.css" />
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.5/angular.min.js"> </script>...
Using PHP with Socket.io
...t possible to use Sockets.io on the client side and communicate with a PHP based application on the server? Does PHP even support such a 'long-lived connection' way of writing code?
...
Rails detect if request was AJAX
...aystack'
=> 3
irb(main):005:0> /asfd/ =~ 'haystack'
=> nil
It's based on this:
# File actionpack/lib/action_dispatch/http/request.rb, line 220
def xml_http_request?
@env['HTTP_X_REQUESTED_WITH'] =~ /XMLHttpRequest/
end
so
env['HTTP_X_REQUESTED_WITH'] =~ /XMLHttpRequest/ => 0
...
A Java collection of value pairs? (tuples?)
...ull keys and null values. (In Java 9, this class is included in the javafx.base module). EDIT: As of Java 11, JavaFX has been decoupled from the JDK, so you'd need the additional maven artifact org.openjfx:javafx-base.
Java 6+
In Java 6 and up, you can use the more verbose AbstractMap.SimpleImmu...
Android TextView with Clickable Links: how to capture clicks?
...
Based upon another answer, here's a function setTextViewHTML() which parses the links out of a HTML string and makes them clickable, and then lets you respond to the URL.
protected void makeLinkClickable(SpannableStringBuild...
SQLAlchemy IN clause
...ter(User.id.in_([123,456]))
results = query.all()
db_session is your database session here, while User is the ORM class with __tablename__ equal to "users".
share
|
improve this answer
|
...