大约有 40,000 项符合查询结果(耗时:0.0503秒) [XML]

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Should I always return IEnumerable instead of IList?

... It really depends on why you are using that specific interface. For example, IList<T> has several methods that aren't present in IEnumerable<T>: IndexOf(T item) Insert(int index, T item) RemoveAt(int index) and Pr...
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What is the use of the square brackets [] in sql statements?

... You may also define a column name called select but select select from mytable would throw an error so select [select] from mytable would make it a valid query. Whatever word becomes colourful in your SQL management studio, should be surrounded by brackets if ...
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jQuery: find element by text

... Yes, please use the appraoch @RocketHazmat uses, say you have 5 elements all prefixed with 'Register Contract' and each has a number suffix. You'll end up selecting them all, when in reality you only want the element with text: 'Register Contract 26'. – Riveascore ...
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Why should you use an ORM? [closed]

... of ORM's, I'd propose that the use-case is fairly limited. I have never really used anything but MySql and sqlite for about a decade. I think it's probably a very rare requirement for most developers. – troelskn Dec 29 '09 at 12:44 ...
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XML parsing of a variable string in JavaScript

...cript framework like jQuery to handle the cross-browsers differences. A really basic example is: var xml = "<music><album>Beethoven</album></music>"; var result = $(xml).find("album").text(); Note: As pointed out in comments; jQuery does not really do any XML parsing wha...
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Find and extract a number from a string

... NOTE: If the string contains multiple numbers, this answer will run them all together into a single number. E.g. "a12bcd345" results in "12345". (Which may be desirable or not, depending on the goal.) This is different than the top-voted Regex solution, which would return "12" for the case above. ...
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Number of occurrences of a character in a string [duplicate]

...rge and (almost) entirely made up of repeated delimiters (&), it could allocate 12-24x the original size of the string due to object overheads in .Net. I would go with the second approach, and if that's not fast enough then write a for loop. – Niall Connaughton ...
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Java's Interface and Haskell's type class: differences and similarities?

...d say that an interface is kind of like a type class SomeInterface t where all of the values have the type t -> whatever (where whatever does not contain t). This is because with the kind of inheritance relationship in Java and similar languages, the method called depends on the type of object th...
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How to set caret(cursor) position in contenteditable element (div)?

....setStart(el.childNodes[2], 5) range.collapse(true) sel.removeAllRanges() sel.addRange(range) } <div id="editable" contenteditable="true"> text text text<br>text text text<br>text text text<br> </div> <button id="button" onclick="setCaret()">f...
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What is the difference between a User Control Library and a Custom Control Library?

... control base classes and provide additional functionality through code so all the added logic and representation must be implemented inside the code. A user control is technically a normal content control which you can extend in some parts in the code but usually it is extended by placing other c...