大约有 40,000 项符合查询结果(耗时:0.0325秒) [XML]

https://stackoverflow.com/ques... 

How to convert an image to base64 encoding?

... Here is the code for upload to encode and save it to the MySQL if (!isset($_GET["getfile"])) { if ($_FILES["file"]["error"] > 0) { echo "Error: " . $_FILES["file"]["error"] . "<br>"; } else { move_uploaded_file($_FILES["file"]["tmp_name"], $_FILES[...
https://stackoverflow.com/ques... 

How to paginate with Mongoose in Node.js?

... perPage = 10 , page = Math.max(0, req.param('page')) Event.find() .select('name') .limit(perPage) .skip(perPage * page) .sort({ name: 'asc' }) .exec(function(err, events) { Event.count().exec(function(err, count) { res.render('events', { ...
https://www.tsingfun.com/ilife/idea/737.html 

“21天教你学会C++” - 创意 - 清泛网 - 专注C/C++及内核技术

...法(如果你已经会一门类似的语言),但你无法学到多少如何运用这些语法。简而言之,如果你是,比如说一个Basic程序员,你可以学会用C++语法写出Basic风格的程序,但你学不到C++真正的优点(和缺点)。那关键在哪里?Alan Per...
https://stackoverflow.com/ques... 

GROUP BY with MAX(DATE) [duplicate]

... to your group by clause, otherwise you need to rethink your query. Try: SELECT t.Train, t.Dest, r.MaxTime FROM ( SELECT Train, MAX(Time) as MaxTime FROM TrainTable GROUP BY Train ) r INNER JOIN TrainTable t ON t.Train = r.Train AND t.Time = r.MaxTime ...
https://stackoverflow.com/ques... 

Sqlite LIMIT / OFFSET query

...< 100000; i++) { //first version timeLimitOffset += SqlDuraction("Select * from table1 order by col1 LIMIT " + (i + 1) + " OFFSET " + (1001 - i) + ""); // second version timeLimitComma += SqlDuraction("Select * from table1 order by col1 LIMIT " + (1001 - i) + " , " + (i + 1) + ""); }...
https://www.tsingfun.com/ilife/tech/258.html 

携程遭超长宕机:内部数据管理恐存严重漏洞 - 资讯 - 清泛网 - 专注C/C++及内核技术

...密关注官方回应,如遇信息泄露,必要时可修改银行支付密码,以免造成经济损失。 律师说法 携程本次瘫痪毕竟对用户造成了损失以及后续可能造成的信息丢失或信息泄露问题,对此知名互联网行业律师赵占领表示,携程与...
https://stackoverflow.com/ques... 

Is there a naming convention for MySQL?

...e your standard, then run with it. To answer your question outright - no, MySQL doesn't have a preferred naming convention/standard, so rolling your own is fine (and yours seems logical). share | i...
https://stackoverflow.com/ques... 

String concatenation does not work in SQLite

... Try using || in place of + select locationname || '<p>' from location; From SQLite documentation: The || operator is "concatenate" - it joins together the two strings of its operands. ...
https://stackoverflow.com/ques... 

Hibernate Criteria returns children multiple times with FetchType.EAGER

....class) .list(); List result = session.createQuery("select o from Order o left join fetch o.lineItems").list(); All of these examples produce the same SQL statement: SELECT o.*, l.* from ORDER o LEFT OUTER JOIN LINE_ITEMS l ON o.ID = l.ORDER_ID Want to know why th...
https://stackoverflow.com/ques... 

In php, is 0 treated as empty?

...sset($var) && $var != 0){ Do Something} ?? – mysqllearner Feb 8 '10 at 9:22 1 @mysql For ...