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What is a “slug” in Django?
... as:
class Article(models.Model):
title = models.CharField(max_length=100)
content = models.TextField(max_length=1000)
slug = models.SlugField(max_length=40)
How would you reference this object with a URL and with a meaningful name? You could for instance use Article.id so the URL wou...
onchange event on input type=range is not triggering in firefox while dragging
.../td><td>input </td><td>100</td><td>-</td></tr>
<tr id="chg" ><td>B</td><td>change </td><td>100</td><td>-</td></tr>
<tr id="md...
Has Facebook sharer.php changed to no longer accept detailed parameters?
...
I review your url in use:
https://www.facebook.com/sharer/sharer.php?s=100&p[title]=EXAMPLE&p[summary]=EXAMPLE&p[url]=EXAMPLE&p[images][0]=EXAMPLE
and see this differences:
The sharer URL not is same.
The strings are in different order. ( Do not know if this affects ).
I us...
Are custom elements valid HTML5?
... excellent walk through article on Google Developers about Custom Elements v1:
The name of a custom element must contain a dash (-). So <x-tags>, <my-element>, and <my-awesome-app> are all valid names, while <tabs> and <foo_bar> are not. This requirement is so the HTML...
show all tags in git log
... "git cat-file -p <tag>", where <tag> is heavyweight tag, e.g. v1.6.3 in git.git repository),
and also is default name of tag reference (reference in "refs/tags/*" namespace) pointing to a tag object.
Note that the tag reference (appropriate reference in the "refs/tags/*" namespace)...
How to add spacing between UITableViewCell
...etter solution than the accepted answer. The accepted answer has damn near 100 lines of code and this is just one. Incredible.
– YungGun
Oct 1 '18 at 15:57
1
...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...含一部分附加空间，这使得在数据update变大后可以不移动位置。
索引以BTree结构实现。
如果你开启了jorunaling日志，那么还会有一些文件存储着你所有的操作记录。
持久化存储
MMap方式把文件地址映射到内存的地址空间，直接...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...可靠性保证。
ØMQ抽象了指定发送数据到特定网络位置这样需求。消息是被发送到拓扑的，而不是发送给特定的终端节点。重新调用哪个与特定商务逻辑紧密相连的拓扑意味着当你发送消息给拓扑的时候，你基本上已经请...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...可靠性保证。
ØMQ抽象了指定发送数据到特定网络位置这样需求。消息是被发送到拓扑的，而不是发送给特定的终端节点。重新调用哪个与特定商务逻辑紧密相连的拓扑意味着当你发送消息给拓扑的时候，你基本上已经请...
Queue.Queue vs. collections.deque
...enchmark results in seconds using CPython 2.7.3 for inserting and removing 100k items
deque 0.0747888759791
Queue 1.60079066852
Here's the benchmark code:
import time
import Queue
import collections
q = collections.deque()
t0 = time.clock()
for i in xrange(100000):
q.append(1)
for i in xran...