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c++ - Why is the copy-constructor argument const?

Vector(const Vector& other) // Copy constructor { x = other.x; y = other.y; Why is the argument a const? 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 - How to change UISearchBar Placeholder and image tint color?

I've been trying search results for hours, but I can't get this figured out. Perhaps it isn't possible. I'm ... white, or perhaps a dark green. See Question&Answers more detail:os...

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

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colors - 2D grid data visualization in Python

I need to visualize some data. It's basic 2D grid, where each cell have float value. I know how to e.g. assign color ... -5.678 3.2 2.89 5.78 See Question&Answers more detail:os...

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

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sql - How to select the most recent set of dated records from a mysql table

I am storing the response to various rpc calls in a mysql table with the following fields: Table: rpc_responses ... me the most recent response) 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# - Directly sending keystrokes to another process via hooking

I'm wondering, after fiddling with all sorts of issues with SendInput, SendKeys, PostMessage, SendMessage, ... community. Wut do? See Question&Answers more detail:os...

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

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One solution for File Upload using Java Robot API with Selenium WebDriver by Java

I saw that lots of people have Problems uploading a file in a test Environment with Selenium WebDriver. I use the ... it works for some of 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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wpf - Change Data template dynamically

I have a item control which is bound to Tasks. Each task has task state. I have defined different data ... template. 2. Visual State Manager See Question&Answers more detail:os...

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

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swift - Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState]

I am using google maps in Xcode 9 beta, iOS 11. I am getting an error outputted to the log as follows: ... .camera.target.longitude)") } } 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 - Windows can't find the file on subprocess.call()

I am getting the following error: WindowsError: [Error 2] The system cannot find the file specified My code is: ... stable. Any ideas? Thanks, 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 - Rounded table corners CSS only

I have searched and searched, but haven't been able to find a solution for my requirement. I have a plain ol ... aren't rounded! Any solutions? 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 - print full exception backtrace to log

I have a try/catch block that throws an exception and I would like to see information about the exception in ... backtrace to the log? Thanks. 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# - How can I format DateTime to web UTC format?

I have a DateTime which I want to format to "2009-09-01T00:00:00.000Z", but the following code gives me "2009 ... Any ideas how to make it work? 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 - Matplotlib: how to set the current figure?

This is hopefully a simple question but I can't figure it out at the moment. I want to use matplotlib to show 2 ... plot(x, y) is much nicer) See Question&Answers more detail:os...

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

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jquery - Set focus on div contenteditable element

I have a <div contenteditable=true> where I define by a WYSIWYG some elements. For example <p>,<h1>, etc. I ... to define the focus in my case? 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 - Android gives error "Cannot fit requested classes in a single dex file"

I don't know why but it's impossible to launch my app on my mobile this morning. I get this error message: ... this problem now and not before? 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 - Eclipse DDMS error "Can't bind to local 8600 for debugger"

I get the following error in Eclipse: [timestamp - ddms] Can't bind to local 8600 for debugger Why? 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 - Is there a way to prevent a SystemExit exception raised from sys.exit() from being caught?

The docs say that calling sys.exit() raises a SystemExit exception which can be caught in outer levels. I ... that should be really simple. See Question&Answers more detail:os...

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

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syntax for single row MERGE / upsert in SQL Server

I'm trying to do a single row insert/update on a table but all the examples out there are for sets. Can anyone fix ... VALUES (0, 110, 'test'); 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 E/Parcel﹕ Class not found when unmarshalling (only on Samsung Tab3)

I've been unable to resolve why this error occurs, and only on a Samsung Tab3 device, running 4.4.2 ... .system.NativeStart.run(Native Method) See Question&Answers more detail:os...

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

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How to config routeProvider and locationProvider in angularJS?

I want to active html5Mode in angularJS, but I don't know why it's not working. Is there anything wrong with my code ... "{{tag.imageUrl}}"></a> See Question&Answers more detail:os...

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

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Airflow - How to pass xcom variable into Python function

I need to reference a variable that's returned by a BashOperator. In my task_archive_s3_file, I ... submit_file_to_spark >> task_archive_s3_file 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 - Why can I pass an instance method to multiprocessing.Process, but not a multiprocessing.Pool?

I am trying to write an application that applies a function concurrently with a multiprocessing.Pool. I would like ... methods, but not Pools? See Question&Answers more detail:os...

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

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What should be the package name of android app?

I want to know that what should be the package name of android app? Means normally we used com.appname OR com. ... me know. Thanks in advance. See Question&Answers more detail:os...

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

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delphi - How do I make a PNG resource?

I've got a form with a large TImage on it as a background. Problem is, this is stored directly in the DFM as ... . Anyone know how that's done? See Question&Answers more detail:os...

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

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How to offset the center of a Google maps (API v3) in pixels?

I was wondering if it is possible to offset the center of a map in Google maps api v3. I would like to ... the map. Hope someone can help! See Question&Answers more detail:os...

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

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r - How to directly select the same column from all nested lists within a list?

is it possible to directly select a column of all nested lists within a list? My list is created using aggregate( ... way? Thanks for your help. See Question&Answers more detail:os...

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

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471 views

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jquery - Live search through table rows

I want to do a live search through the table rows, using jQuery, the "live" word is the key, because I ... appreciate it so much. 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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C# reflection - load assembly and invoke a method if it exists

I want to load an assembly (its name is stored in a string), use reflection to check if it has a method ... example as a separate answer below. See Question&Answers more detail:os...

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

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