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performance - Java Reflection: Why is it so slow?

I've always avoided Java reflection soley based on its reputation for slowness. I reached a point in the design of ... stuck with Java for now) See Question&Answers more detail:os...

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

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wpf - How to make all controls resize accordingly proportionally when window is maximized?

When I clicked on the maximize button the window is maximized but the controls are not resized proportionally. What is ... > </Grid> </Window> See Question&Answers more detail:os...

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

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multithreading - What are the thread limitations when working on Linux compared to processes for network/IO-bound apps?

I've heard that under linux on multicore server it would be impossible to reach top performance when you have ... disk IO in several threads? See Question&Answers more detail:os...

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

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iphone - Switching to a TabBar tab view programmatically?

Let's say I have a UIButton in one tab view in my iPhone app, and I want to have it open a different ... sure how to write the code exactly. See Question&Answers more detail:os...

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

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java - Adding header to all request with Retrofit 2

Retrofit 2's documentation says: Headers that need to be added to every request can be specified using an OkHttp ... How can I do this? See Question&Answers more detail:os...

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

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Error executing command 'ant' on Mac OS X 10.9 Mavericks when building for Android with PhoneGap/Cordova

Today I tried PhoneGap/Cordova with Mac OS X Mavericks. Building for iOS went just fine, but building for Android ... and added to your path. See Question&Answers more detail:os...

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

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python - When to use os.name, sys.platform, or platform.system?

As far as I know, Python has 3 ways of finding out what operating system is running on: os.name sys ... for some clarification regarding this. See Question&Answers more detail:os...

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

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activeadmin - Active admin install with Rails 4

I got this error when installing active admin on Rails 4 Bundler could not find compatible versions for gem " ... .html Anyone help please. See Question&Answers more detail:os...

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

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python - Debugging a Flask app running in Gunicorn

I've been working on a new dev platform using nginx/gunicorn and Flask for my application. Ops-wise, everything ... testserver:app Thanks y'all See Question&Answers more detail:os...

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

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Available Coroutine Libraries in Java

I would like to do some stuff in Java that would be clearer if written using concurrent routines, but for ... my own full-featured coroutines. See Question&Answers more detail:os...

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

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image processing - Getting the bounding box of the recognized words using python-tesseract

I am using python-tesseract to extract words from an image. This is a python wrapper for tesseract which is an OCR ... way to get that as well See Question&Answers more detail:os...

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

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c - Given an audio stream, find when a door slams (sound pressure level calculation?)

Not unlike a clap detector ("Clap on! clap clap Clap off! clap clap Clap on, clap off, the Clapper! clap ... CFAR certainly fits the bill. -Adam See Question&Answers more detail:os...

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

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objective c - iOS 5: How to convert an Emoji to a unicode character?

I want to convert an Emoji to a unicode character in iOS 5. For example, converting to ue415. I went to ... for in iOS 5? Thank you. See Question&Answers more detail:os...

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

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iphone - Does an IBOutlet needs to be a property & synthesized?

In most examples I see the following setup of IBOutlets: (Example A) FooController.h: @interface FooController : ... Don't Repeat Yourself). See Question&Answers more detail:os...

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

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entity framework - EF Code First DBContext and Transactions

I would like know what is the best possible way to implement transactions with DBContext. In particular, Does ... transaction can be achieved? See Question&Answers more detail:os...

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

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android - How to stop an animation (cancel() does not work)

I need to stop a running translate animation. The .cancel() method of Animation has no effect; the animation ... you cancel a running animation? See Question&Answers more detail:os...

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

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spring - Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured

I am working on a Spring Boot Batch example with MongoDB and I have already started the mongod server. When I ... 52534 (0 connections now open) See Question&Answers more detail:os...

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

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performance - Getting total row count from OFFSET / FETCH NEXT

So, I've got a function that returns a number of records that I want to implement paging for on my website. ... performance, not slow it down. See Question&Answers more detail:os...

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

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scope - In Haskell, when do we use in with let?

In the following code, the last phrase I can put an in in front. Will it change anything? Another question: If ... . Do I miss something here? See Question&Answers more detail:os...

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

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sockets - Can a TCP c# client receive and send continuously/consecutively without sleep?

This is to a degree a "basics of TCP" question, yet at the same time I have yet to find a convincing ... or any other such unwanted behaviour? See Question&Answers more detail:os...

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

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macos - Cocoa Keyboard Shortcuts in Dialog without an Edit Menu

I have an LSUIElement application that displays a menubar status item. The application can display a dialog window ... Working in Modal Window See Question&Answers more detail:os...

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

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html - Remove ':hover' CSS behavior from element

I have CSS that changes formatting when you hover over an element. .test:hover { border: 1px solid red; } <div class="test">blah</div> See Question&Answers more detail:os...

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

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jenkins - How to remove a TFS Workspace Mapping?

I had a project in tfs within a team project then we moved the project to a different location in another team ... error and how to resolve it? See Question&Answers more detail:os...

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

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node.js - Why is this HTTP request not working on AWS Lambda?

I'm getting started with AWS Lambda and I'm trying to request an external service from my handler function. ... not execute the HTTP request? See Question&Answers more detail:os...

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

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Python: import module from another directory at the same level in project hierarchy

I've seen all sorts of examples and other similar questions, but I can't seem to find an example that ... .py to recognize LDAPManager.py. See Question&Answers more detail:os...

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

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ios - Since Xcode 8 and iOS10, views are not sized properly on viewDidLayoutSubviews

It seems that with Xcode 8, on viewDidLoad, all viewcontroller subviews have the same size of 1000x1000. Strange thing, ... . Is it a bug? See Question&Answers more detail:os...

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

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excel - Check if Cell value exists in Column, and then get the value of the NEXT Cell

After checking if a cell value exists in a column, I need to get the value of the cell next to the ... returned to achieve the desired result? See Question&Answers more detail:os...

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

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200 views

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java - GZIPInputStream reading line by line

I have a file in .gz format. The java class for reading this file is GZIPInputStream. However, this class doesn ... advice how to proceed .. See Question&Answers more detail:os...

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

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