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python - cv2.imread does not read jpg files

I am working on a toolbox in Python where I use cv2.imread function to load images. While I am working with . ... jpg', os.R_OK) #output: True See Question&Answers more detail:os...

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

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765 views

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PHP script to execute at certain times

Is there a simple way to have a php script execute some html at a certain times of the day? For example i ... ? Its not available on all hosting See Question&Answers more detail:os...

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

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661 views

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html - Bootstrap 4: Navbar with logo and 2 rows

I am trying to create a website header that conforms to the schematic below using Bootstrap 4: The code I am ... still using the navbar class? 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++ - writing a matrix into a single txt file with mpi

I have a huge matrix that I divided it into some sub matrices and I make some computation on it. After those ... matrix into a single text 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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758 views

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javascript - Illegal Invocation error when console.log passed in a function

I am bit confused over this. Please find the code as below. var o={ printToConsole: function(f){ f(1); ... this console.log behaves in chrome? See Question&Answers more detail:os...

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

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1.1k views

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mysql - PHP Fatal error: Call to undefined function mysqli_stmt_get_result()

I keep getting the error PHP Fatal error: Call to undefined function mysqli_stmt_get_result(). I am using PHP ... json_encode($respond); ?> See Question&Answers more detail:os...

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

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Find rendered line breaks with javascript

I have this situation : div { width: 200px } <div> example example example example example</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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c# - Can't await async extension method

Situation is pretty simple - I wrote an extension method and made it async with return type Task<T>. But ... it a language/compiler limitation? See Question&Answers more detail:os...

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

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Call recorder not working in android 10 (Q)

Call recorder is recording blank for the duration in Android 10 (Pixel 3A). It was working fine for all phones ... and some patch will fix 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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swing - Java Dialog - Find out if OK is clicked?

I have a dialog for a client-GUI that asks for the IP and Port of the server one wants to connect to. I have ... , I can run some code. 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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975 views

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Can I hide the Adobe floating toolbar when showing a PDF in browser?

I am generating a PDF document and displaying it in a Web browser (current version of IE is most important target). I ... ), as well as the Url. See Question&Answers more detail:os...

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

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algorithm - De-skew characters in binary image

I'm working on number plate recognition. The problem is that I have to de-skew the characters in a binary image ... an easier way to 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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bash - Get java version number from python

I need to get the java version number, for example "1.5", from python (or bash). I would use: os.system(' ... sed. It should be in one line. 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 - Use a dope vector to access arbitrary axial slices of a multidimensional array?

I'm building a suite of functions to work with a multidimensional-array data structure and I want to be able ... array which has some details.) See Question&Answers more detail:os...

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

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iis - Is it possible to do friendly url (url rewriting) in classic asp?

I know how to create/implement friendly url in asp.net, but is it possible (and if so - how) to do it in ... load) to a different page? 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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583 views

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java - How to copy files out of the currently running jar

I have a .jar that has two .dll files that it is dependent on. I would like to know if there is any ... would be helpful. 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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756 views

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c - How to properly compare command-line arguments?

I am trying to write a C code which takes arguments in main; thus when I write some strings in cmd, the program ... "OMG!!" Which part is wrong? See Question&Answers more detail:os...

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

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865 views

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c# - Images are rotated in PictureBox

As the question implies, when I load an image into a pictureBox (using dialog box), it doesn't appear as its ... I can't figure out 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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769 views

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objective c - Sort NSArray of custom objects based on sorting of another NSArray of strings

I have two NSArray objects that I would like to be sorted the same. One contains NSString objects, the other custom ... . 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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502 views

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java - Changing org.eclipse.swt.widgets background color in Windows

Right now I am trying to change the background color of a org.eclipse.swt.widgets.Button with the following code ... text in the button? 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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649 views

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java - Locking mechanism of Mifare Classic 1K

The procedure of Mifare Classic 1K is Polling for tags Authenticate those tags If authentication succeded then read/ ... from a specific sector? See Question&Answers more detail:os...

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

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418 views

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What are the operations supported by raw pointer and function pointer in C/C++?

What are all operations supported by function pointer differs from raw pointer? Is > , < , <= , >=operators supported ... if so what is the use? See Question&Answers more detail:os...

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

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529 views

1 answer

javascript ajax request without framework

Does anyone know how to make ajax request function that works cross-browser WITHOUT using a javascript framework like jQuery, etc.? See Question&Answers more detail:os...

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

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542 views

1 answer

How do I set the runtime classpath in Eclipse 4.2?

When I select Run Configurations from the Run menu I see no tab named Classpath as in previous versions of ... I set the runtime classpath? See Question&Answers more detail:os...

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

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574 views

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silverlight - How to use ScrollViewer.ScrollToVerticalOffset?

I hope this isn't a duplicate but I can't find any documentation or examples on how to actually use ... it. Many 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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864 views

1 answer

loops - How to iterate over list which contains whitespaces in bash

Could you please tell me how to iterate over list where items can contain whitespaces? x=("some word", "other word ... word (...) third word See Question&Answers more detail:os...

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

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719 views

1 answer

c# - How To Start And Stop A Continuously Running Background Worker Using A Button

Let's say I have a background worker like this: private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e) ... button on a WinForm? See Question&Answers more detail:os...

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

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576 views

1 answer

python - Google App Engine: Won't serve static assets with below error:

Google is useless in this case, it seems I am the first to encounter this error :/ Works fine on my Mac, ... 2" - name: jinja2 version: latest See Question&Answers more detail:os...

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

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