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How to force link from iframe to be opened in the parent window
...Add the following to the head of the page in the iframe:
<base target="_parent">
This will load all links on the page in the parent window. If you want your links to load in a new window, use:
<base target="_blank">
This tag is fully supported in all browsers.
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How do you 'redo' changes after 'undo' with Emacs?
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To undo: C-_
To redo after a undo: C-g C-_
Type multiple times on C-_ to redo what have been undone by C-_
To redo an emacs command multiple times, execute your command then type C-xz and then type many times on z key to repea...
Getting a list of all subdirectories in the current directory
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Do not use os.walk('.').next()[1] or os.walk('.').__next__()[1] directly. Instead, use the built-in function next(), which is available both in Python 2 (see doc) and Python 3 (see doc). For example: next(os.walk('.'))[1].
– Lucio Paiva
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Non-alphanumeric list order from os.listdir()
...however you want. Based on what you describe,
sorted(os.listdir(whatever_directory))
Alternatively, you can use the .sort method of a list:
lst = os.listdir(whatever_directory)
lst.sort()
I think should do the trick.
Note that the order that os.listdir gets the filenames is probably complet...
Socket.IO - how do I get a list of connected sockets/clients?
...lients('room');
anymore. Instead you can use the following
var clients_in_the_room = io.sockets.adapter.rooms[roomId];
for (var clientId in clients_in_the_room ) {
console.log('client: %s', clientId); //Seeing is believing
var client_socket = io.sockets.connected[clientId];//Do whatever y...
Cosine Similarity between 2 Number Lists
...sed on numpy only
from numpy import dot
from numpy.linalg import norm
cos_sim = dot(a, b)/(norm(a)*norm(b))
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HAproxy - Web负载均衡解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...参数的设置
log 127.0.0.1 local0 info
# log语法：log <address_1>[max_level_1] # 全局的日志配置，使用log关键字，指定使用127.0.0.1上的syslog服务中的local0日志设备，记录日志等级为info的日志
user haproxy
group haproxy
# 设置运行hapro...
Static files in Flask - robot.txt, sitemap.xml (mod_wsgi)
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The best way is to set static_url_path to root url
from flask import Flask
app = Flask(__name__, static_folder='static', static_url_path='')
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Useful code which uses reduce()? [closed]
...[[1, 2, 3], [4, 5], [6, 7, 8]] into [1, 2, 3, 4, 5, 6, 7, 8].
reduce(list.__add__, [[1, 2, 3], [4, 5], [6, 7, 8]], [])
List of digits to a number
Goal: turn [1, 2, 3, 4, 5, 6, 7, 8] into 12345678.
Ugly, slow way:
int("".join(map(str, [1,2,3,4,5,6,7,8])))
Pretty reduce way:
reduce(lambda a,d...
super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
...nk your python version is 2.X, the super would work when adding this code
__metaclass__ = type
so the code is
__metaclass__ = type
class B:
def meth(self, arg):
print arg
class C(B):
def meth(self, arg):
super(C, self).meth(arg)
print C().meth(1)
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