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What is the $$hashKey added to my JSON.stringify result
...vLinks track by link.href">
<a ng-href="link.href">{{link.title}}</a>
</li>
</ul>
Just always remember you need the "link." part of the expression - I always tend to forget that. Just track by href will surely not work.
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社会化海量数据采集爬虫框架搭建 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
... //结构化扣取
String title = StringUtils.substringBetween(content, ", "" );
//存储
System. out .println(title);
}
} catch (HttpException e) {
...
Show percent % instead of counts in charts of categorical variables
... "count", vjust = -0.25) +
scale_y_continuous(labels = percent) +
labs(title = "Manual vs. Automatic Frequency", y = "Percent", x = "Automatic Transmission")
When adding the bar labels, you may wish to omit the y-axis for a cleaner chart, by adding to the end:
theme(
axis.text.y=e...
HTML: Include, or exclude, optional closing tags?
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You don't need </head><body> unless you have DOM-manipulating scripts that actually search <head> (then it's better to close it explicitly, because rules for implied end of <head> could surprise you).
Nested lists are actually better off without </li>, because then it...
In SQL Server, when should you use GO and when should you use semi-colon ;?
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The reason why you see so many GO's in Generated DDL scripts is because of the following rule about batches.
CREATE DEFAULT, CREATE FUNCTION,
CREATE PROCEDURE, CREATE RULE, CREATE
TRIGGER, and CREATE VIEW statements
cannot be combined with other
statements in a batc...
How to open Atom editor from command line in OS X?
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I agree, but since the word "Mac" is not in the title or tags, it appears in search for everyone, hence may be helpful for Windows users.
– sbedulin
Jul 29 '16 at 17:14
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Vagrant's port forwarding not working [closed]
...$ curl -v http://localhost:6789
And I got
<HTML>
<HEAD><TITLE>Redirection</TITLE></HEAD>
<BODY><H1>Redirect</H1></BODY>
Then, I used the IP address instead, it got the correct html message.
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Reloading module giving NameError: name 'reload' is not defined
...always. To be sure, I think the valid use cases for writing reload into a script are very rare indeed, and those employing that sort of dark art are unlikely to be reading this comment. However, if you are developing a module and using an IPython console to test it interactively, then reload can b...
How do I print out the contents of an object in Rails for easy debugging?
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results (in browser)
- !ruby/object:Post
raw_attributes:
id: 2
title: My Second Post
body: Welcome! This is another example post
published_at: '2015-10-19 23:00:43.469520'
created_at: '2015-10-20 00:00:43.470739'
updated_at: '2015-10-20 00:00:43.470739'
attributes: !ru...
Git: How to edit/reword a merge commit's message?
...series introduced an environment variable GIT_MERGE_AUTOEDIT to help older scripts decline this behaviour, but the maintenance track should also support it.
It also introduces an environment variable GIT_MERGE_AUTOEDIT to help older scripts decline this behavior.
See "Anticipating Git 1.7.10":
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