大约有 15,000 项符合查询结果（耗时：0.0295秒） [XML]
iPhone viewWillAppear not firing
...vigationController and then pushing a view to it WILL fire viewWillAppear: etc.
– DaGaMs
Nov 7 '11 at 13:44
Swift 3: ...
How do I iterate over an NSArray?
... was returned as Not To Be Fixed. The reason is that fast enumeration pre-fetches a group of objects, and if you want to enumerate only to a given point in the enumerator (e.g. until a particular object is found, or condition is met) and use the same enumerator after breaking out of the loop, it wou...
What's the easy way to auto create non existing dir in ansible
...s
- name: ensure custom facts directory exists
file: >
path=/etc/ansible/facts.d
recurse=yes
state=directory
share
|
improve this answer
|
follow
...
JQuery to check for duplicate ids in a DOM
...e functions and let them do the rest? Separation of logic and presentation etc etc...
– Will Morgan
Nov 11 '09 at 13:39
add a comment
|
...
join list of lists in python [duplicate]
...el
...
a
b
c
From those links, apparently the most complete-fast-elegant-etc implementation is the following:
def flatten(l, ltypes=(list, tuple)):
ltype = type(l)
l = list(l)
i = 0
while i < len(l):
while isinstance(l[i], ltypes):
if not l[i]:
...
asynchronous vs non-blocking
...g whether given condition holds (socket is readable, device has more data, etc.)
share
|
improve this answer
|
follow
|
...
How to show the last queries executed on MySQL?
...n server though, it's a performance killer.
Edit your MySQL config, e.g. /etc/mysql/my.cnf - look for, or add, a line like this
[mysqld]
log = /var/log/mysql/mysql.log
Restart mysql to pick up that change, now you can
tail -f /var/log/mysql/mysql.log
Hey presto, you can watch the queries as ...
ActiveModel::ForbiddenAttributesError when creating new user
...
ActiveAdmin.register Api::V1::Person do
permit_params :name, :address, :etc
end
These need to be set along with those in the controller:
def api_v1_person_params
params.require(:api_v1_person).permit(:name, :address, :etc)
end
Otherwise you will get the error:
ActiveModel::ForbiddenAttrib...
Websocket API to replace REST API?
...ackbone.js/express/connect/jade/redis with authentication, Joyent hosting, etc:
http://fzysqr.com/2011/02/28/nodechat-js-using-node-js-backbone-js-socket-io-and-redis-to-make-a-real-time-chat-app/
http://fzysqr.com/2011/03/27/nodechat-js-continued-authentication-profiles-ponies-and-a-meaner-socket...
Get a CSS value with JavaScript
...
You can use getComputedStyle().
var element = document.getElementById('image_1'),
style = window.getComputedStyle(element),
top = style.getPropertyValue('top');
jsFiddle.
...