大约有 15,000 项符合查询结果(耗时:0.0385秒) [XML]

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scala vs java, performance and memory? [closed]

...t. This is usually very powerful, but occasionally can be annoying. For example, suppose you have an array of strings (called array), and a map from those strings to files (called mapping). Suppose you want to get all files that are in the map and come from strings of length greater than two. In...
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multi-step registration process issues in asp.net mvc (split viewmodels, single model)

..."Wizard")) { @Html.Serialize("Step1", Model.Step1) @Html.EditorFor(x => x.Step2) ... } and inside the POST action of step2: [HttpPost] public ActionResult Step2(Step2ViewModel step2, [Deserialize] Step1ViewModel step1) { var model = new WizardViewModel { Step1 = st...
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How to pass json POST data to Web API method as an object?

...o your return type might be IActionResult or one of it's implementation (Ex :OkObjectResult) Use contentType:"application/json" You need to use JSON.stringify method to convert it to JSON string when you send it, And the model binder will bind the json data to your class object. The below c...
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How can I check file size in Python?

...hon script in Windows. I want to do something based on the file size. For example, if the size is greater than 0, I will send an email to somebody, otherwise continue to other things. ...
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JavaScript query string [closed]

...ted Aug 14 '17 at 15:39 driconmax 8631313 silver badges2525 bronze badges answered Mar 15 '09 at 5:33 Shadow25...
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Detect Safari browser

... You can easily use index of Chrome to filter out Chrome: var ua = navigator.userAgent.toLowerCase(); if (ua.indexOf('safari') != -1) { if (ua.indexOf('chrome') > -1) { alert("1") // Chrome } else { alert("2") // Safari } } ...
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What is the difference between an int and a long in C++?

... It is implementation dependent. For example, under Windows they are the same, but for example on Alpha systems a long was 64 bits whereas an int was 32 bits. This article covers the rules for the Intel C++ compiler on variable platforms. To summarize: OS ...
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What is the difference between save and insert in Mongo DB?

... Save Vs Insert : In your given examples, the behavior is essentially the same. save behaves differently if it is passed with an "_id" parameter. For save, If the document contains _id, it will upsert querying the collection on the _id field, If not, it will...
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Flatten an Array of Arrays in Swift

Is there a counterpart in Swift to flatten in Scala, Xtend, Groovy, Ruby and co? 14 Answers ...
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How to stop app that node.js express 'npm start'

You build node.js app with express v4.x then start your app by npm start . My question is how to stop the app? Is there npm stop ? ...