大约有 40,000 项符合查询结果(耗时:0.0514秒) [XML]

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Declare and Initialize String Array in VBA

... Dim myStringArray() As String *code* redim myStringArray(size_of_your_array) Then you can do something static like this: myStringArray = { item_1, item_2, ... } Or something iterative like this: Dim x For x = 0 To size_of_your_array myStringArray(x) = data_source(x).Name Nex...
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Sorting object property by values

...ou like, thus achieving exactly what you set out to do. That would work in all the browsers I know of, but it would be dependent on an implementation quirk, and could break at any time. You should never make assumptions about the order of elements in a JavaScript object. var objSorted = {} sortable....
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How to create streams from string in Node.Js?

...g"]) readable.on("data", (chunk) => { console.log(chunk) // will be called once with `"input string"` }) Note that at least between 10.17 and 12.3, a string is itself a iterable, so Readable.from("input string") will work, but emit one event per character. Readable.from(["input string"]) wil...
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Should all Python classes extend object?

...inheritance are different in ways that I won't even try to summarize here. All good documentation that I've seen about MI describes new-style classes. Finally, old-style classes have disappeared in Python 3, and inheritance from object has become implicit. So, always prefer new style classes unless...
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Nullable Foreign Key bad practice?

... read. Only if you know better than Chris Date "what first normal form really means". If x and y are both nullable, and indeed in some row x and y are both null, then WHERE x=y does not yield true. This proves beyond reasonable doubt that null is not a value (because any real value is always equ...
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Is it ok to use dashes in Python files when trying to import them?

Basically when I have a python file like: 7 Answers 7 ...
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Get ID of last inserted document in a mongoDB w/ Java driver

...h MongoDB plainly auto-generates ObjectId's. However, your solution of manually creating an ObjectId does work, and thanks for this option! – Apophenia Overload Dec 4 '12 at 8:39 ...
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Remove all special characters from a string in R?

How to remove all special characters from string in R and replace them with spaces ? 3 Answers ...
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How to pass json POST data to Web API method as an object?

... with the result :) }); Model binding works for some properties, but not all ! Why ? If you do not decorate the web api method parameter with [FromBody] attribute [HttpPost] public CreateUserViewModel Save(CreateUserViewModel m) { return m; } And send the model(raw javascript object, not i...
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MySQL vs MongoDB 1000 reads

...very excited about MongoDb and have been testing it lately. I had a table called posts in MySQL with about 20 million records indexed only on a field called 'id'. ...