大约有 48,000 项符合查询结果（耗时：0.0585秒） [XML]
Backbone.View “el” confusion
...gName: "li", //this defaults to div if you don't declare it.
template: _.template("<p><%= someModelKey %></p>"),
events: {
//this event will be attached to the model elements in
//the el of every view inserted by AppView below
"click": "someFunctio...
When should I use C++14 automatic return type deduction?
...he reason it's int* is because that's what std::vector<int>::iterator_type is with your current build options!
– Steve Jessop
Apr 13 '18 at 12:16
...
How to use ArrayAdapter
...created row.xml in layouts, but don't know how to show both reason and long_val in the ListView using ArrayAdapter.
5 Answe...
find() with nil when there are no records
...
Yes, just do:
Challenge.find_by_id(10)
For Rails 4 and 5:
Challenge.find_by(id: 10)
share
|
improve this answer
|
follow
...
Calculate the median of a billion numbers
...ian of medians and quickselect algorithms. en.wikipedia.org/wiki/Selection_algorithm
– Dimath
Jan 9 '13 at 2:32
...
Why use Ruby's attr_accessor, attr_reader and attr_writer?
...rk correctly no matter how their public API is called.
class Person
attr_accessor :age
...
end
Here, I can see that I may both read and write the age.
class Person
attr_reader :age
...
end
Here, I can see that I may only read the age. Imagine that it is set by the constructor of this ...
How to create a self-signed certificate with OpenSSL
...AN through the configuration file with the line subjectAltName = @alternate_names (there's no way to do it through the command line). Then there's an alternate_names section in the configuration file (you should tune this to suit your taste):
[ alternate_names ]
DNS.1 = example.com
DNS.2 ...
`Apache` `localhost/~username/` not working
...
Looks like you need to uncomment the following:
#LoadModule userdir_module libexec/apache2/mod_userdir.so
and
#Include /private/etc/apache2/extra/httpd-userdir.conf
Then in httpd-userdir.conf you may need to uncomment:
#Include /private/etc/apache2/users/*.conf
Lastly you would need ...
Chrome hangs after certain amount of data transfered - waiting for available socket
...r available socket...
is shown, because you've reached a limit on the ssl_socket_pool either per Host, Proxy or Group.
Here are the maximum number of HTTP connections which you can make with a Chrome browser:
The maximum number of connections per proxy is 32 connections. This can be changed in ...
Reducing the space between sections of the UITableView
...
Why not use CGFLOAT_MIN? It's made for these kind of scenarios :)
– Andrei Filip
May 11 '15 at 9:38
12
...