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android - Best practice: AsyncTask during orientation change

AsyncTask is a great thing to run complex tasks in another thread. But when there is an orientation change or ... don't know how to solve this correctly. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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286 views

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ios - How to play video with AVPlayerViewController (AVKit) in Swift

How do you play a video with AV Kit Player View Controller in Swift? override func viewDidLoad() { super. ... = AVPlayer.playerWithURL(videoURL) as AVPlayer } } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Run jar file in command prompt

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Angular window resize event

I would like to perform some tasks based on the window re-size event (on load and dynamically). Currently I ... Width and Height from this event object? Thanks. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Any way to declare an array in-line?

Let's say I have a method m() that takes an array of Strings as an argument. Is there a way I can just ... a named variable that I'm never going to use? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Merging: Hg/Git vs. SVN

I often read that Hg (and Git and...) are better at merging than SVN but I have never seen practical ... read about them but failed to find them myself. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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jakarta ee - What does the servlet <load-on-startup> value signify

I am getting a bit confused here. In our application we are having a few servlets defined. Here is the excerpt ... I came across only added to my confusion. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - DisplayName attribute from Resources?

I have a localized application, and I am wondering if it is possible to have the DisplayName for a certain model ... but I need these for the validator output! Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - How can I save a base64-encoded image to disk?

My Express app is receiving a base64-encoded PNG from the browser (generated from canvas with toDataURL() ) and writing it ... , but it's not a valid image }); Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Start a git commit message with a hashmark (#)

Git treats lines starting with # as comment lines when committing. this is very annoying when working with a ... t a working solution to the problem either. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Convert string to Python class object?

Given a string as user input to a Python function, I'd like to get a class object out of it if there's a ... __main__.Foo at 0x69ba0> Is this, at all, possible? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Get content uri from file path in android

I know the absolute path of an image (say for eg, /sdcard/cats.jpg). Is there any way to get ... could very easily use the method imageView.setImageUri(uri) Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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What's the advantage of a Java enum versus a class with public static final fields?

I am very familiar with C# but starting to work more in Java. I expected to learn that enums in Java were ... 's answer is the only one that satisfies this. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Why is rbindlist "better" than rbind?

I am going through documentation of data.table and also noticed from some of the conversations over here on ... any advantage in terms of memory utilization? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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compiler construction - Bootstrapping still requires outside support

I've heard of the idea of bootstrapping a language, that is, writing a compiler/interpreter for the language ... actually write a compiler in its own language? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript - How to suppress "error TS2533: Object is possibly 'null' or 'undefined'"?

I have a type: type tSelectProtected = { handleSelector?: string, data?: tSelectDataItem[], wrapperEle?: ... be handled without disabling TS compiler checks? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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url - Is there a way to change the browser's address bar without refreshing the page?

I'm developing a web app. In it I have a section called categories that every time a user clicks one of the ... of JavaScript API I can use to achieve this? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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228 views

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javascript - stopPropagation vs. stopImmediatePropagation

What's the difference between event.stopPropagation() and event.stopImmediatePropagation()? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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159 views

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.net - Conditionally use 32/64 bit reference when building in Visual Studio

I have a project that builds in 32/64-bit and has corresponding 32/64-bit dependencies. I want to be able ... and have the referenced DLL be the right bitness. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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383 views

1 answer

Refresh a page using PHP

How can I refresh a page using PHP periodically? If I can not do it by PHP, what is the best recommended scenario? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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983 views

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directory - Iterating through directories with Python

I need to iterate through the subdirectories of a given directory and search for files. If I get a file I have ... am getting an error. What am I doing wrong? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What is the difference between List and ArrayList?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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306 views

1 answer

typescript - What is the difference between types String and string?

Does anyone know the difference between String and string in TypeScript? Am I correct in assuming that they ought to ... 'string' when possible. Is that a bug? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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315 views

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Null vs. False vs. 0 in PHP

I am told that good developers can spot/utilize the difference between Null and False and 0 and all the other good " ... Does it have something to do with ===? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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167 views

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Android. How does notifyDataSetChanged() method and ListViews work?

I am trying to understand the ListView concept and how it works and I'm trying to create my own adapter ... does it refresh itself? Can someone explain please? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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168 views

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r - How to remove all whitespace from a string?

So " xx yy 11 22 33 " will become "xxyy112233". How can I achieve this? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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273 views

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Histogram using gnuplot?

I know how to create a histogram (just use "with boxes") in gnuplot if my .dat file already has properly ... based on ranges and bin sizes the user provides? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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242 views

1 answer

ruby on rails - bundle install fails with SSL certificate verification error

When I run bundle install for my Rails 3 project on Centos 5.5 it fails with an error: Gem::RemoteFetcher::FetchError: ... 2, bundler 1.1.3. How to fix it? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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