大约有 3,100 项符合查询结果(耗时:0.0175秒) [XML]

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When should I use the HashSet type?

... HashSet<string> of all the valid commands, so whenever I hit a @xxx token in the lexer, I use validCommands.Contains(tokenText) as my O(1) validity check. I really don't care about anything except existence of the command in the set of valid commands. Lets look at the alternatives I faced: ...
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Why use iterators instead of array indices?

... end+1(!). For streams the iterator model is just surreal -- an imaginary token that does not exist. Likewise for linked lists. The paradigm only makes sense for arrays, and then not much. Why do I need two iterator object, not just one... – Tuntable Jan 21...
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How to tell if a tag failed to load

... @Rudey Uncaught SyntaxError: Unexpected token '<' (in latest Chrome) – daleyjem Feb 29 at 5:25 ...
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send Content-Type: application/json post with node.js

...{ headers: { 'Authorization': 'AccessKey ' + token, 'Content-Type' : 'application/json' }, uri: 'https://myurl.com/param' + value', method: 'POST', json: {'key':'value'} }; request(options, funct...
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What's the _ underscore representative of in Swift References?

... The underscore is a general token used to indicate a discarded value. In this specific case, it means that the function will be invoked as runAction(argument) instead of runAction(action:argument) In other contexts it has other similar meaning, e.g. i...
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How can I add a custom HTTP header to ajax request with js or jQuery?

... } } } } xhr.open('POST', 'startStopResume.aspx', true); xhr.setRequestHeader("chunk", numberOfBLObsSent + 1); xhr.onreadystatechange = function (e) { if (xhr.readyState == 4 && xhr.status == 200) { receivedChunks++; } }...
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How to concatenate text from multiple rows into a single text string in SQL server?

...ppears to be part of the deal. You can workaround by replacing on an added token character. For example, this does a perfect comma-delimited list for any length: SELECT STUFF(REPLACE((SELECT '#!'+city AS 'data()' FROM #cityzip FOR XML PATH ('')),' #!',', '),1,2,'') – NReilingh ...
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Filtering collections in C#

...code example here: http://msdn.microsoft.com/en-us/library/aa701359(VS.80).aspx EDIT: I wrote this before I had a good understanding of LINQ and the Where() method. If I were to write this today i would probably use the method Jorge mentions above. The FindAll method still works if you're stuck in ...
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ie8 var w= window.open() - “Message: Invalid argument.”

...e TARGET attribute doc: msdn.microsoft.com/en-us/library/ms534659(v=vs.85).aspx. It clearly says that target can be an arbitrary string and not just the values listed in this answer. – niaher Aug 22 '12 at 3:30 ...
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Checking if a SQL Server login already exists

...=OFF GO https://technet.microsoft.com/en-us/library/ms176042(v=sql.110).aspx share | improve this answer | follow | ...