大约有 47,000 项符合查询结果(耗时:0.0761秒) [XML]

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How to change context root of a dynamic web project in Eclipse?

...nd redeploy. It worked for me. If you are struck you have another choice: select the Tomcat server in the Servers view. Double clicking on that server (or selecting Open in the context menu) brings a multipage editor where there is a Modules page. Here you can change the root context of your module...
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Case insensitive Query with Spring CrudRepository

With Spring CrudRepository Query; I want to select "DeviceType" entities with it's "name" property. But following query select the entitles on case sensitive manner. How I make it case insensitive way. Thanks. ...
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How do I get a raw, compiled SQL query from a SQLAlchemy expression?

... @cce: you're trying to find the final query. SELECT id WHERE date_added <= %s AND date_added >= %s ORDER BY count DESC IS the final query. Those %s are sent to the database by sqlalchemy -- sqlalchemy NEVER puts the actual data in place of the %s ...
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What is the difference between save and export in Docker?

I am playing around with Docker for a couple of days and I already made some images (which was really fun!). Now I want to persist my work and came to the save and export commands, but I don't fully understand them. ...
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Do HTML WebSockets maintain an open connection for each client? Does this scale?

... line of communication with the server. I'm just wondering how that scales and how many open WebSocket connections a server can handle. Maybe leaving those connections open isn't a problem in reality, but it feels like it is. ...
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mysqli or PDO - what are the pros and cons? [closed]

...ostname;dbname=school", $username, $password) $stmt = $dbh->query("SELECT * FROM students"); /* MAGIC HAPPENS HERE */ $stmt->setFetchMode(PDO::FETCH_INTO, new Student); foreach($stmt as $student) { echo $student->getFullName().'<br />'; } $db...
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Using async-await on .net 4

... lot from C# 5's async-await feature. But I'm not sure which version of VS and of the async runtime to use. 5 Answers ...
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Hibernate throws MultipleBagFetchException - cannot simultaneously fetch multiple bags

...Many(mappedBy="parent", fetch=FetchType.EAGER) @Fetch(value = FetchMode.SUBSELECT) private List<Child> childs; This should fix the issue, related to Hibernate bug HHH-1718 share | improve th...
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What is the difference between IQueryable and IEnumerable?

...es, meaning the custom query logic it receives, e.g., a predicate or value selector, is in the form of an expression tree instead of a delegate to a method. IEnumerable<T> is great for working with sequences that are iterated in-memory, but IQueryable<T> allows for out-of memory things ...
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Are database triggers evil? [closed]

...lumns wouldn't exist and you'd have to process a function on each row when selecting them. That's likely to kill DBMS performance, far better to create the auto-generated column at insert/update time since that's the only time it changes. Also, lack of triggers would prevent data rules from being e...