大约有 23,000 项符合查询结果（耗时：0.0421秒） [XML]
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
|
...
How to remove a key from Hash and get the remaining hash in Ruby/Rails?
..."three"=>3}
.delete_if => In case you need to remove a key based on a value. It will obviously remove the matching keys from the original hash.
2.2.2 :115 > hash = {"one"=>1, "two"=>2, "three"=>3, "one_again"=>1}
=> {"one"=>1, "two"=>2, "three"=>3, "one_a...
Use images instead of radio buttons
...
Just using a class to only hide some...based on https://stackoverflow.com/a/17541916/1815624
/* HIDE RADIO */
.hiddenradio [type=radio] {
position: absolute;
opacity: 0;
width: 0;
height: 0;
}
/* IMAGE STYLES */
.hiddenradio [type=radio] + ...
How can you profile a Python script?
...
Are you coloring based on the amount of calls? If so, you should color based on time because the function with the most calls isn't always the one that takes the most time.
– red
Aug 6 '13 at 12:21
...
Ruby regular expression using variable name
Is is possible to create/use a regular expression pattern in ruby that is based on the value of a variable name?
5 Answers
...
What is the difference between 'typedef' and 'using' in C++11?
...e 0: (void)Foo{}; }
// ^^^^^^^^^^^^^^^ init-statement
// C++20 (range-based for loop initialization statements).
std::vector<int> v{1, 2, 3};
for(typedef int Foo; Foo f : v) { (void)f; }
// ^^^^^^^^^^^^^^^ init-statement
whereas an alias-declaration is not an init-statement, and may thu...