大约有 47,000 项符合查询结果(耗时:0.0515秒) [XML]

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EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?

...I converted craigvl's version to C# I had to add context.SaveChanges(); in order for it to work for me as below. try { byte[] bytes = System.IO.File.ReadAllBytes(@"C:\Users\sheph_000\Desktop\Rawr.png"); Console.WriteLine(bytes); context.BeverageTypes.AddOrUpdate( x => x.Name...
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Can I hide the HTML5 number input’s spin box?

...the -webkit-appearance property on these elements is already textfield. In order to remove the spinner, the -webkit-appearance property's value needs to be changed to none on the ::-webkit-outer-spin-button/::-webkit-inner-spin-button pseudo classes (it is -webkit-appearance: inner-spin-button by de...
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How to find gaps in sequential numbering in mysql?

... Note: This query doesn't work on temporary tables. My problem was the order number I was searching for gaps in is not distinct (the table stores order lines, so the order number they belong to repeats for each line). 1st query: 2812 rows in set (1 min 31.09 sec). Made another table by selecting...
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Simplest way to do a recursive self-join?

... m.parentID = q.PersonID ) SELECT * FROM q By adding the ordering condition, you can preserve the tree order: WITH q AS ( SELECT m.*, CAST(ROW_NUMBER() OVER (ORDER BY m.PersonId) AS VARCHAR(MAX)) COLLATE Latin1_General_BIN AS bc FROM mytable m ...
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Does a javascript if statement with multiple conditions test all of them?

...ime, and not only is it important to know this short circuits, but in what order. For example: if (takesSeconds() && takesMinutes()) is much better than if (takesMinutes() && takesSeconds()) if both are equally likely to return false. ...
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How to get JavaScript caller function line number? How to get JavaScript caller source URL?

...or' exception and not the 'errorHandler' exception wich you really want in order to make debugging easy. Throwing your own exceptions is great but on large projects locating them can be quite an issue, especially if they have similar messages. So, what you can do is to pass a reference to an actual...
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Feedback on using Google App Engine? [closed]

... I am using GAE to host several high-traffic applications. Like on the order of 50-100 req/sec. It is great, I can't recommend it enough. My previous experience with web development was with Ruby (Rails/Merb). Learning Python was easy. I didn't mess with Django or Pylons or any other framewo...
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Programmatically Hide/Show Android Soft Keyboard [duplicate]

...red. As such, I used the following stackoverflow.com/a/29229865/2413303 in order to programmatically call the keyboard (with delay, because otherwise it didn't work). – EpicPandaForce Mar 24 '15 at 10:29 ...
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Why do we have to normalize the input for an artificial neural network?

...ou have to normalize the values that you want to pass to the neural net in order to make sure it is in the domain. As with all functions, if the arguments are not in the domain, the result is not guaranteed to be appropriate. The exact behavior of the neural net on arguments outside of the domain ...
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What is the order of precedence for CSS?

... There are several rules ( applied in this order ) : inline css ( html style attribute ) overrides css rules in style tag and css file a more specific selector takes precedence over a less specific one rules that appear later in the code override earlier rules if bo...