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What's the difference between == and .equals in Scala?
...g is actually NaN use isNaN:
Java: https://docs.oracle.com/javase/7/docs/api/java/lang/Double.html#isNaN(double)
Scala: http://www.scala-lang.org/files/archive/api/2.11.8/index.html#scala.Double@isNaN():Boolean
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What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?
...vious orders and replace them with the one provided. (PUT in terms of REST API)
@OneToMany(mappedBy="customer", orphanRemoval="true")
public List<Order> getOrders() { ... }
Without orphanRemoval old orders would be kept. (PATCH in terms of REST API)
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What blocks Ruby, Python to get Javascript V8 speed? [closed]
...er low-level languages for performance and are heavily tied to the CPython API.
There are lots of well-known techniques (JIT, modern garbage collector, etc) that could be used to speed up the CPython implementation but all would require substantial changes to the API, breaking most of the extensio...
A CORS POST request works from plain JavaScript, but why not with jQuery?
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You can compare the syntax for both functions here: api.jquery.com/jQuery.post
– Aleadam
Apr 7 '11 at 19:34
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How do I reference an existing branch from an issue in GitHub?
...the branch's URL. For example, a branch in GitHub's "linguist" project:
[api-changes branch in github/linguist](/github/linguist/tree/api-changes)
Important:
GitHub's Markdown processor creates links using the exact URL value enclosed within parentheses. You must specify the URL considering ...
How do you make a web application in Clojure? [closed]
...ly elegant syntax. (It uses Jetty under the hood, but it hides the Servlet API from you unless you want it, which won't be often). Go look at the README at that URL, then download a snapshot and start playing.
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Detect if the app was launched/opened from a push notification
...erInfo: [AnyHashable : Any], fetchCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {
// ensure the userInfo dictionary has the data you expect
if let type = userInfo["type"] as? String, type == "status" {
// IF the wakeTime is less than 1/10 o...
Rails respond_with: how does it work?
...is in Rails 3. But I can't even find a reference to it in either the Rails APIs or by searching the source. Can anyone either explain to me how it works (what options you can use, etc) or point me to the place it's actually implemented so I can peruse the code on my own?
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How to avoid passing parameters everywhere in play2?
...lp :) The controller method should look like this. public static play.api.templates.Html sidebar() { return (play.api.templates.Html) sidebar.render("message"); }
– Mika
Nov 18 '13 at 8:28
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Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...，objdump 的反汇编结果在没有调试符号的情况下，不显示API的名字。下一步API调用手工的加上。
我们打开iat.txt文件，把disasm.txt文件中的地址全部转换成函数名，例如：
代码:
8048979: 68 00 00 00 00 push $0x0
804897e: ...