大约有 9,000 项符合查询结果(耗时:0.0206秒) [XML]

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ipython: print complete history (not just current session)

... Here's the Firefox extension that @larssend found: SQLite Manager It has a GUI for opening a database file and issuing various sqlite commands from a menu. You get the added bonus of seeing the SQL commands that generated the output. Here's mine for my ipython %history in ~/...
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What is ActiveMQ used for - can we apply messaging concept using a Database?

...sumers instead of a consumer having to poll for the new message by doing a SQL query. This further reduces the latency involved in processing new messages being sent into the system. share | improve...
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Is it feasible to do (serious) web development in Lisp? [closed]

... doesn't support it. cl-prevalence is an incredibly simple alternative to SQL. Quite a lot of people are using these technologies lately for mission-critical applications -- with success. Most important CL open-source projects in fact do have excellent community support. ...
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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)

I have a simple form that submits text to my SQL table. The problem is that after the user submits the text, they can refresh the page and the data gets submitted again without filling the form again. I could redirect the user to another page after the text is submitted, but I want users to stay on ...
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Producing a new line in XSLT

...m1,elem2,elem3,$newline)" /> I've used this technique when outputting sql from xml input. In fact, I tend to create variables for commas, quotes and newlines. share | improve this answer ...
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MySQL: Quick breakdown of the types of joins [duplicate]

I would like a quick breakdown of the types of MySQL joins. I know of these, the rest I am not sure what they mean. 3 Answe...
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Why does .NET use banker's rounding as default?

...ue to a difference in the 8th digit rounding error between a mainframe and SQL Server. Talk about a perfectionist! – E.J. Brennan Jan 22 '10 at 13:10 12 ...
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What's the “average” requests per second for a production web application?

...DB. DB may be our bottleneck and bring us back down unless we switch to nosql). – Dean Hiller Jun 6 at 0:28 ...
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What are the uses of “using” in C#?

... Things like this: using (var conn = new SqlConnection("connection string")) { conn.Open(); // Execute SQL statement here on the connection you created } This SqlConnection will be closed without needing to explicitly call the .Close() function, and this w...
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Unloading classes in java?

...whole thing. This occurs with the Sun implementations of ThreadLocal, java.sql.DriverManager and java.beans, for instance. share | improve this answer | follow ...