大约有 42,000 项符合查询结果(耗时:0.0671秒) [XML]

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Writing a compiler in its own language

...nguage Foo. You use the first bootstrap compiler to compile the compiler, and then use this compiled compiler to compile everything else (including future versions of itself). Most languages are indeed created in this fashion, partially because language designers like to use the language they are ...
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How to design a product table for many kinds of product where each product has many parameters

...stead, one table per product type, storing both common product attributes, and product-specific attributes. Serialized LOB: One table for Products, storing attributes common to all product types. One extra column stores a BLOB of semi-structured data, in XML, YAML, JSON, or some other format. This...
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Does “display:none” prevent an image from loading?

...if the browser is on a small CPU computer, not having to render the image (and layout the page) will make the whole rendering operation faster but I doubt this is something that really makes sense today. If you want to prevent the image from loading you may simply not add the IMG element to your do...
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Sending emails in Node.js? [closed]

... github.com/marak/node_mailer is deprecated. Should use this github.com/andris9/Nodemailer – user470370 Jul 31 '12 at 6:17 ...
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What is the command to list the available avdnames

... AFAIK android list avd avdmanager list avd is what you need. share | improve this answer | follow ...
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What does DIM stand for in Visual Basic and BASIC?

What does DIM stand for in Visual Basic? 10 Answers 10 ...
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Why does this CSS margin-top style not work?

... form a single margin. Margins that combine this way are said to collapse, and the resulting combined margin is called a collapsed margin. Adjoining vertical margins collapse [...] Two margins are adjoining if and only if: both belong to in-flow block-level boxes that participate...
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How would you implement an LRU cache in Java?

...ructures would you use? I've already implemented one using LinkedHashMap and Collections#synchronizedMap , but I'm curious if any of the new concurrent collections would be better candidates. ...
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Condition within JOIN or WHERE

...al algebra allows interchangeability of the predicates in the WHERE clause and the INNER JOIN, so even INNER JOIN queries with WHERE clauses can have the predicates rearrranged by the optimizer so that they may already be excluded during the JOIN process. I recommend you write the queries in the mo...
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Is there a practical use for weak references? [duplicate]

...ta. It can also be used to keep information about objects used else where and you don't know when those objects are discarded. BTW Soft References are like Weak references, but they will not always be cleaned up immediately. The GC will always discard weak references when it can and retain Soft R...