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c# - How to deserialize a JSON array into an object using Json.Net?

I've a valid JSON object that has a JSON array in it. The JSON array doesn't have curly braces and contains a ... null. What am I doing 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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python - How to remove specific tag/sticker/object from images using OpenCV?

I have hundreds of images of jewelry products. Some of them have "best-seller" tag on them. The position of ... resulted image to be like 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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database - Normal forms - 2nd vs 3rd - is the difference just composite keys? non trivial dependency?

I've viewed This post but I don't really understand the terms used (non-trivial function dependency, superkey ... keys? Any advice appreciated. See Question&Answers more detail:os...

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

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applet - Java ball object doesn't bounce off of drawn rectangles like it's supposed to.

Sorry for the awful title. The purpose of the Java applet is as such: A ball is bouncing around the screen ... for all the wonderful 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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excel - Concatenate cell data into another data if values matches

I have two columns A and B in same excel sheet. I am trying that if in Column B two values matches then it should ... eee 2 qqq 3 www 4 oop 5 See Question&Answers more detail:os...

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

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php - mcrypt_encrypt to openssl_encrypt, and OPENSSL_ZERO_PADDING problems

I have this mcrypt_encrypt call, for a given $key, $message and $iv: $string = mcrypt_encrypt(MCRYPT_3DES, $key, ... openssl encryption call... See Question&Answers more detail:os...

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

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mongodb - Unhandled promise rejection: Error: URL malformed, cannot be parsed

I am new to aws and mongodb at the same time, so I'm stuck at a very basic point in trying to connect to my ... parsed I'm using mongodb 3.6.5. See Question&Answers more detail:os...

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

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window.onbeforeunload not working in chrome

This is the code which i used for window.onbeforeunload <head> <script> window.onbeforeunload = func; function func( ... 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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integer - The range of int in Java

I understand that the int range in Java should be -2^31 to 2^31-1. But when I run this code snippet with 20 ... (); fac.factorial(n); } } 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 3.x - How to combine gridspec with plt.subplots() to eliminate space between rows of subplots

I am trying to plot multiple images in subplots and either eliminate the space between subplots (horizontal and vertical ... 1 plt.show() return 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 - Django multi tenancy

Tl; dr: Is there a way to override the default behaviour of reverse? In my django project I have alot of urls ... ) which I am trying to avoid. See Question&Answers more detail:os...

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

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javascript - Firebase (2016) Shallow Query

I'm trying out Firebase (since Google's new release). In the original version of Firebase the parameter ... seems this functionality is gone. See Question&Answers more detail:os...

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

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css - Align text on slanted line

Is it posible to make text left aligned on a slanted line? it's alignement should follow the slanted slanted image ... paragraph.</p> </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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fortran - Function has no implicit type

I am trying to learn to work with functions. I have the following code: program main implicit none write(*,*) ... at (1) has no IMPLICIT type 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 - PHP keep checkbox checked after submitting form

Hi all i have a contact form and captcha is there. i want keep the check is checked after submitting the ... box after submitting the form.? See Question&Answers more detail:os...

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

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MySQL/PHP Error:[2002] Only one usage of each socket address (protocol/network address/port) is normally permitted

I couldn't find a solution to this already on stackoverflow, most other related topics had to do with ... users are experiencing this error. See Question&Answers more detail:os...

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

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Move initial commits off master to another branch in Git

I'm trying to migrate to the GitFlow workflow, and I want rewrite the history of the repository so that all ... branch. 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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python - How to share numpy random state of a parent process with child processes?

I set numpy random seed at the beginning of my program. During the program execution I run a function ... link here for future reference. 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 - Can I improve performance of this regular expression further

I am trying to fetch thread names from the thread dumps file. The thread names are usually contained within ... completely. Can anyone explain? See Question&Answers more detail:os...

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

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Microsoft Visual Studio: opendir() and readdir(), how?

I've used this kind of code in my Dev-cpp before: if((dh = opendir(folder)) !== false){ while((file ... i could use these functions above... 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 prevent PHP sessions being shared between different apache vhosts?

How to prevent PHP sessions from being shared between different Apache vhosts? I've set up different vhosts on ... are shared by default. 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 does Git's transfer protocol work

I am working with Git for more than one year and now I have to explain it to others in our group ... pieces from the documentation together. See Question&Answers more detail:os...

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

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javascript - No 'Access-Control-Allow-Origin' header with Microsoft Online Auth

I am trying to make a simple request to get an access token using the Microsoft graph OAuth endpoint. When I send ... . Is anyone able to 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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c# - How can a Label control display Japanese characters properly when the Font used doesn't support this language?

I am working on a Windows Forms application, with .Net 4.5 as target framework. One thing I have noticed ... which enables it to achieve 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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java - JTable how prepareEditor works

I don't understand how prepareEditor works, I'm not able set visibility rules for prepareRenderer with Action from prepareEditor, ... } }); } } See Question&Answers more detail:os...

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

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.net - Insert into C# with SQLCommand

What's the best way to INSERT data into a database? This is what I have but it's wrong.. cmd.CommandText ... ExecuteNonQuery(); conn2.Close(); } 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# - Additional text encountered after finished reading JSON content:

I am having some problems with create with JSON.Net. When I try to parse it, it gives me following error: ... "Waiter"} How to deserialize 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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javascript - JQuery Datatables search within input and select

Using Jquery Datatables with inputs and selects as shown here: http://datatables.net/examples/api/form.html or ... cell in a datatable. See Question&Answers more detail:os...

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

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