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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
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2、复制页面内容的标题、作者、内容。
3、存储到文本文件或者excel。
从技术角度来说整个过程主要为 网络访问、扣取结构化数据、存储。我们看一下用java程序如何来实现这一过程。
import java.io.IOException;
import org.apache.com...
How to recursively download a folder via FTP on Linux [closed]
... Sep 22 '08 at 9:01
Thibaut BarrèreThibaut Barrère
8,38322 gold badges1919 silver badges2727 bronze badges
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What does character set and collation mean exactly?
...llation is how to compare characters, in latin9, there are letters as e é è ê f, if sorted by their binary representation, it will go e f é ê è but if the collation is set to, for example, French, you'll have them in the order you thought they would be, which is all of e é è ê are equal, an...
Remove all special characters with RegExp
...letters.
Do not use [^\w\s], this will remove letters with accents (like àèéìòù), not to mention to Cyrillic or Chinese, letters coming from such languages will be completed removed.
You really don't want remove these letters together with all the special characters. You have two chances:
Add...
Difference between InvariantCulture and Ordinal string comparison
...iosyncrasies out there.
Ordinal 0 9 A Ab a aB aa ab ss Ä Äb ß ä äb ぁ あ ァ ア 亜 Ａ
IgnoreCase 0 9 a A aa ab Ab aB ss ä Ä äb Äb ß ぁ あ ァ ア 亜 Ａ
--------------------------------------------------------------------
InvariantCulture 0 9 a A Ａ ä Ä aa ab aB ...
In C# check that filename is *possibly* valid (not that it exists) [duplicate]
... edited Apr 30 '17 at 0:51
buræquete
12.5k44 gold badges3131 silver badges6262 bronze badges
answered Jan 7 '09 at 21:11
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What is the difference between encode/decode?
...n as encoding. Use u'...'.encode(encoding).
Example:
>>> u'æøå'.encode('utf8')
'\xc3\x83\xc2\xa6\xc3\x83\xc2\xb8\xc3\x83\xc2\xa5'
>>> u'æøå'.encode('latin1')
'\xc3\xa6\xc3\xb8\xc3\xa5'
>>> u'æøå'.encode('ascii')
UnicodeEncodeError: 'asci...
Is ASCII code 7-bit or 8-bit?
... is encoded on 8 bits and enjoys 256 characters (including Á, Ä, Œ, é, è and other characters useful for european languages as well as mathematical glyphs and other symbols).
While UTF-8 uses the same encoding as the basic ASCII table (meaning 0x41 is A in both codes), it does not share the sa...
Get random item from array [duplicate]
...swered Dec 23 '13 at 10:54
Naâmèn Mohamed AmineNaâmèn Mohamed Amine
18911 silver badge33 bronze badges
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What encoding/code page is cmd.exe using?
... a test file containing Unicode characters:
ASCII abcde xyz
German äöü ÄÖÜ ß
Polish ąęźżńł
Russian абвгдеж эюя
CJK 你好
Here’s a Java program to print out the test file in a bunch of different
Unicode encodings. It could be in any programming language;...