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c# - How to change date format from DD/MM/YYYY or MM/DD/YYYY to YYYY-MM-DD?

i need to change the format of my date string using C# from : "06/16/2010"or "16/06/2010" to : " ... can you please help me achieve this 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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Copy Groovy class properties

I want to copy object properties to another object in a generic way (if a property exists on target object, I ... ' assert adminUser.age == 27 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 - check if the query results empty row mysqli

I am using this code, but I don't understand how to check if the query returns zero rows. How can I check that? ... .'</span></li>'; } } See Question&Answers more detail:os...

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

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datastax java driver - Can't connect to cassandra - NoHostAvailableException

I know there are several threads about the NoHostAvailableException but they simply don't provide a solution to my ... error. Any suggestions? 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: setting an optional property of a protocol

How does one set an optional property of a protocol? For example UITextInputTraits has a number of optional read/write ... { get set } } 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 can my app find the sender of a windows message?

I have an app which uses a keyboard hook procedure in a library. The wParam in the hook for one message is 255 ... or all those on the system? 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 to use std::filesystem on gcc 8?

I have updated version of gcc, gcc --version produces the following output gcc (Ubuntu 8.1.0-5ubuntu1~16.04) 8.1. ... i built with -std=c++17 See Question&Answers more detail:os...

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

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cross browser - Max-height ignored in Firefox, works in Chrome and Safari

I'm making a slideshow of images with the class display. I want to limit the height and width of the image ... Thanks very much for any 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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javascript - What is the purpose of this? (function ($) { //function code here })(jQuery);

I am debugging someone else's JavaScript code and a majority of the code is wrapped like this: (function ($) { // ... by the (); at the end? 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 - Upload multiple images

I need to upload multiple images via form. I thought that I will do it with no problem, but I have one. When I ... ]; imgUpload($file); $i++; } 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 - How to effectively use cardlayout in java in order to switch from panel using buttons inside various panel constructors

I am new to using cardlayout and I have a few questions on how to implement it. I first ... (Box.createVerticalStrut(5)); horizontalContainer.add(submit); horizontalContainer....

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

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python - How to use the after method to make a callback run periodically?

With tkinter, how can I use the after method to make a function run periodically? For instance, I have a ... the speak function every second? 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 - Aligning to the bottom in flexbox

I'm have containers that should change height dynamically depending on the content. For all containers in a given row, the ... > </div> </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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iphone - Is UIGraphicsBeginImageContext thread safe?

So I've been under the impression that UIGraphicsBeginImageContext is thread safe, and can be called from any ... confused examples from Apple. 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 annotate the values of X and Y while hovering mouse over the bar graph

I have tried to make it but while executing, it shows me the following error: bar,=plt.bar(xpos,revenue) ... ", hover) plt.show() See Question&Answers more detail:os...

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

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Solving an ODE when the function is given as discrete values -matlab-

I have the following ODE: x_dot = 3*x.^0.5-2*x.^1.5 % (Equation 1) I am using ode45 to solve it. My ... I have to solve them by the same way. 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 - Final variable assignment with try/catch

Because I believe it is a good programming practice, I make all my (local or instance) variables final if they ... place for a final modifier?) See Question&Answers more detail:os...

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

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659 views

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asp.net - Application_End global.asax

Can anybody tell me when Application_End is triggered in a lifecycle of an application? When all sessions ... could be triggered? See Question&Answers more detail:os...

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

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900 views

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css - Difference between flex-end and end?

When I use the css property align-items, I cannot see any visual difference with the value of flex-end or value ... and align-items: flex-end? 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 - SchemaFactory doesn't support W3C XML Schema in platform level 8?

With the Android SDK, the following code in a plain empty Activity fails: @Override protected void onStart() { super ... for W3C XML Schema." See Question&Answers more detail:os...

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

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458 views

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JavaScript/jQuery event listener on image load IE issues

I am looking for a way to implement this for as many browsers as possible: var image = new Image(); image. ... this to work in IE too? 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 does ToString on an anonymous type work?

I was messing with anonymous types, and I accidentally outputted it onto the console. It looked basically how I defined ... 't get how it works. See Question&Answers more detail:os...

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

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Set Minimum Password Length Firebase Email & Password Authentication

When using Firebase's Email & Password setting it seems like there are no security constraints on the password. For ... a 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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875 views

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C#/WPF: Disable Text-Wrap of RichTextBox

Does anyone know how I can disable the text wrapping of a RichTextBox? E.g. if I have a large string which ... Scrollbar). Thanks a lot. Cheers See Question&Answers more detail:os...

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

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476 views

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iphone - response expectedContentLength return -1

Hello i need to create a progressView when i load data from my webservice. Actually the expectedContentLength alway ... see this problem ? See Question&Answers more detail:os...

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

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589 views

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ios - Confused about Orthographic Projection of camera in SceneKit

I want to use orthographic projection to display 3D scene in my app. In my code I put a box in scene and ... of scene. Any help is 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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795 views

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excel - VBA recognizing workbook by partial name

Is there a way to specify a workbook for a sheet without having the full name? For example, If the workbook ... would I go about doing that? 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 - Canonical way to generate random numbers in Cython

What is the best way to generate pseudo uniform random numbers (a double in [0, 1)) that is: Cross ... Thanks for pointing that out @DavidW. See Question&Answers more detail:os...

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

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