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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) {
...
Inserting HTML into a div
...am trying to insert a chunk of HTML into a div. I want to see if plain JavaScript way is faster than using jQuery. Unfortunately, I forgot how to do it the 'old' way. :P
...
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?
...
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...
How to open Atom editor from command line in OS X?
...
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
...
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.
...
How do I print out the contents of an object in Rails for easy debugging?
...
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...
Share application “link” in Android
...pat.IntentBuilder.from(activity)
.setType("text/plain")
.setChooserTitle("Chooser title")
.setText("http://play.google.com/store/apps/details?id=" + activity.getPackageName())
.startChooser();
https://developer.android.com/reference/android/support/v4/app/ShareCompat.html
...
In SQL Server, when should you use GO and when should you use semi-colon ;?
...
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...
What techniques can be used to speed up C++ compilation times?
... on length
You can run the regular nm command and pipe it to your favorite script (AWK, Python, etc.) to sort the symbols based on their length. Based on our experience, this method identifies the largest trouble making candidates better than method 1.
Method 3 - Use Templight
"Templight is a Clang-...