大约有 3,000 项符合查询结果(耗时:0.0133秒) [XML]

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Write text files without Byte Order Mark (BOM)?

I am trying to create a text file using VB.Net with UTF8 encoding, without BOM. Can anybody help me, how to do this? I can write file with UTF8 encoding but, how to remove Byte Order Mark from it? ...
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搭建高可用mongodb集群(三)—— 深入副本集内部机制 - 大数据 & AI - 清...

...识;而一致性协议强调的是操作的顺序一致性,比如同时读写一个数据会不会出现脏数据。一致协议在分布式里有一个经典的算法叫“Paxos算法”,后续再介绍。 上面有个问题,就是所有从节点的最后操作时间都是一样怎么办...
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#1071 - Specified key was too long; max key length is 767 bytes

... be aware that if you set an index on a big char or varchar field which is utf8mb4 encoded, you have to divide the max index prefix length of 767 bytes (or 3072 bytes) by 4 resulting in 191. This is because the maximum length of a utf8mb4 character is four bytes. For a utf8 character it would be thr...
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MySQL “incorrect string value” error when save unicode string in Django

...s you need to: Change your MySQL database, table and columns to use the utf8mb4 character set (only available from MySQL 5.5 onwards) Specify the charset in your Django settings file as below: settings.py DATABASES = { 'default': { 'ENGINE':'django.db.backends.mysql', ... ...
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Storing money in a decimal column - what precision and scale?

...oice (a quick Google bears this out). I think this originates from the old VBA/Access/Jet Currency data type, being the first fixed point decimal type in the language; Decimal only came in 'version 1.0' style (i.e. not fully implemented) in VB6/VBA6/Jet 4.0. The rule of thumb for storage of fixed p...
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How to change the default charset of a MySQL table?

...So query will be: ALTER TABLE etape_prospection CONVERT TO CHARACTER SET utf8; share | improve this answer | follow | ...
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windows C++ gbk转为utf-8 - C/C++ - 清泛网 - 专注C/C++及内核技术

...码不同,所以需要将windows下的中文编码转换为linux使用的utf8格式的,否则会出现乱码。 //m_string是windows下的中文字符串 //utf8_string是返回转换为utf8编码的中文字符串 //slen是utf8_string字符数组的大小 int multichar_2_utf8(const char *m_s...
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Troubleshooting “Illegal mix of collations” error in mysql

...B using COLLATE latin1_general_ci which causes another error: COLLATION 'utf8_general_ci' is not valid for CHARACTER SET 'latin1'' - even if you do not have a column with CHARACTER SET 'latin1'! The solution is to use the BINARY cast. See also this question – Mel_T ...
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How can I output UTF-8 from Perl?

I am trying to write a Perl script using the "utf8" pragma, and I'm getting unexpected results. I'm using Mac OS X 10.5 (Leopard), and I'm editing with TextMate. All of my settings for both my editor and operating system are defaulted to writing files in utf-8 format. ...
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scrapy xpath抓取节点的文本innerText、innerHTML、outerHTML - 更多技术 -...

scrapy xpath抓取节点的文本innerText、innerHTML、outerHTML假设抓取:<p> xx<b>x< b>< p> 抓取p节点本身,得到的内容:<p>xx<b>x< b>< p>response xpath(& 39; div[@class="question"] div[2] div[2] div[1] p[1]& 39;) extract() 抓 假设抓取: <p> xx<b>x</b> </p> scra...