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java - Why does the xor operator on two bytes produce an int?

//key & hash are both byte[] int leftPos = 0, rightPos = 31; while(leftPos < 16) { //possible loss of ... back to byte, but it seems silly. 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 - ES6 module syntax: is it possible to `export * as Name from ...`?

See question title. I found a great reference for the forms of export available, but I have not seen what I'm ... for the sake of the question.) 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 - Setting Default value to a variable when deserializing using gson

I am trying to convert JSON to Java object. When a certain value of a pair is null, it should be ... with Gson while deserializing the objects? 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 store a dictionary in a Django database model's field

I need to save a dictionary in a model's field. How do I do that? For example I have this code: def ... add just leave a comment. 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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smtp - Getting Error Transport error code was 0x80040217 while Sending Email in Asp.Net

I am trying to send Email But I am getting this Error. The message could not be sent to the SMTP server. ... any idea about it please Help me 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# - Cannot find Bitmap Class in Class Library (.NET Standard)

I want to make a Class Library (.NET Standard) and I'm using System.Drawing, but I get the error: CS0246 C# The ... I'm using .NET Standard 2.0. 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 exclude special characters from android keypad for EditText

Hi I want to show only numbers and characters on the keypad for EditText in android, I did try to add ... better suggestion. 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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html - Is there any way to add padding to select options via CSS?

I want to add some kind of space (padding, margin or whatever) between select options in HTML using CSS. I am ... t work in IE. JSFiddle example 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# - parsing an enumeration in JSON.net

i'm using JSON.net (maybe v3.5ish? it's from oct. 2010). and i'm trying to deserialize some json into ... m still getting the exact same 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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arrays - Abort trap 6 error in C

I have this code: void drawInitialNim(int num1, int num2, int num3) { int board[2][50]; //make an array with ... error, and they don't help me. 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: optimal search for substring in list of strings

I have a particular problem where I want to search for many substrings in a list of many strings. The ... just that slow relatively speaking? 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 - Crossbrowser equivalent of explicitOriginalTarget event parameter

Does anyone know of crossbrowser equivalent of explicitOriginalTarget event parameter? This parameter is Mozilla specific and ... }); 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++ - Constructor of type int

Considering the cost, are these cases the same? // case 1 int a = 5; // case 2 int a (5); // case 3 int a; a = 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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.net - Configuring log4net with xml file

I tried to configure log4net for logging everything to the console output. I have a config file named Log4Net. ... , can someone explain 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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c# - How can I force a minimum number of decimal places in Json.net?

I'm getting an annoying inconsistency when I'm writing decimals to json using json.net. Sometimes it's to 1 ... .SerializeObject(obj)); } } 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 - Will targeting IE8 with conditional comments work?

When IE8 is released, will the following code work to add a conditional stylesheet? <!--[if IE 8]> < ... can share their experience. 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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database - Image retrieval system by Colour from the web using C++ with openframeworks

I am writing a program in C++ and openFrameworks that should hopefully implement an image retrieval system by ... output the closest match. See Question&Answers more detail:os...

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

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VBA pull XML data to Excel

A tricky question on VBA Please see pictures for your accurate view of the problem If you type on Google "SEC ... the VBE's Tools-->References See Question&Answers more detail:os...

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

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itext - How to place the Same Digital signatures to Multiple places in PDF using itextsharp.net

I have implemented Digital Signature using iTextSharp Dll to sign PDF files with a single signature creating empty ... to complete the task 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 clean up if else series

Work in C#, want to reduce if else series, entity have two property FromServiceID and ToServiceID ,suppose my ... ("Ten_KDeposit"); } } See Question&Answers more detail:os...

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

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Rails Scoping For has_many :through To Access Extra Data

As we know, in rails you can add extra attributes to your has_many :through join model I'd like to extract the ... you don't get that often! 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 - Await an iterative function without delimiter in JS

I've got a directory with an unknown amount of subfolders. Each subfolder might have or not further subfolders. I am itterating ... } }) } }) } 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 - Upload file to google drive using google play serivces lib(without supporting jar files)

I want to upload file/image to Google Drive using Google Play Services lib(without using jar files). This is possible ... }); } Pleas help me 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 - Why box-sizing is not working with width/height attribute on canvas element?

Let's consider this code: .canvas { width:150px; height:150px; } canvas { box-sizing:border-box; border:5px ... canvas class="canvas"></canvas> 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 - Check presence of vowels in a string

I need to check whether a vowel is present in a word. If it is, an operation should be carried out on ... me correct the above approach 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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ASP.NET MVC - Pass array object as a route value within Html.ActionLink(...)

I have a method that returns an array (string[]) and I'm trying to pass this array of strings into an Action ... the value. 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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python - Access the sole element of a set

I have a set in Python from which I am removing elements one by one based on a condition. When the set is left with ... for e in S: # return S 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# - Unable to serialize the session state

When putting my application on a web server and trying to 'log in' I get the following error: Server Error in ... , but online it doesn't. See Question&Answers more detail:os...

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

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