大约有 43,000 项符合查询结果(耗时:0.0475秒) [XML]

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What's the difference between Task.Start/Wait and Async/Await?

...g something You are. what is the difference between doing Task.Wait and await task? You order your lunch from the waiter at the restaurant. A moment after giving your order, a friend walks in and sits down next to you and starts a conversation. Now you have two choices. You can ignore your ...
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Difference between single and double square brackets in Bash

...ix shell compliant condition tests. Double [[]] are an extension to the standard [] and are supported by bash and other shells (e.g. zsh, ksh). They support extra operations (as well as the standard posix operations). For example: || instead of -o and regex matching with =~. A fuller list of differ...
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Returning null as an int permitted with ternary operator but not if statement

...itional operator (as described in the Java Language Specification, 15.25), and moves happily on. This will generate a NullPointerException at run time, which you can confirm by trying it. share | im...
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What framework for MVVM should I use? [closed]

... It really depends on what you are trying to achieve, and how much infrastructure you want in place already, plus the ease with which you can find samples that help you out. I'm going to declare an interest here, because I've been actively involved in at least one MVVM framework...
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Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?

...ction does not implement the "power" function for anything except float s and double s? 11 Answers ...
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Why should the Gradle Wrapper be committed to VCS?

...of the gradle wrapper is to be able, without having ever installed gradle, and without even knowing how it works, where to download it from, which version, to clone the project from the VCS, to execute the gradlew script it contains, and to build the project without any additional step. If all you ...
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Is there a way to automatically generate getters and setters in Eclipse?

I am working on a new Android project ( Java ), and created an Object with a large number of variables. Since I am planning to add getters and setters for all of them, I was wondering: is there a shortcut in Eclipse for automatically generating the getters and setters in a given class? ...
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What are valid values for the id attribute in HTML?

... For HTML 4, the answer is technically: ID and NAME tokens must begin with a letter ([A-Za-z]) and may be followed by any number of letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods ("."). HTML 5 is even more permissive, saying onl...
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xcodebuild says does not contain scheme

...two versions of things -- the "I'm busy, so just the facts please" version and a more involved discussion and rationale. Both of these versions assume you are trying to build from a Workspace file; if you aren't then my apologies as this mostly applicable to workspace-based projects. Condensed 'Fi...
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How is the fork/join framework better than a thread pool?

...in the beginning, sending them to a cached thread pool (from Executors ) and waiting for each task to complete? I fail to see how using the fork/join abstraction simplifies the problem or makes the solution more efficient from what we've had for years now. ...