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Why can reflection access protected/private member of class in C#?

Why can reflection access protected/private member of class in C#? Is this not safe for the class, why is ... Is this an anti-pattern? 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 upload image in CodeIgniter?

In view <?php echo form_open_multipart('welcome/do_upload');?> <input type="file" name="userfile" size="20" /> In ... 't know what's the 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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swift - CocoaPods and Carthage

I had a project with both Carthage and Cocoapods. They both have one common dependency (PureLayout, to be precise) ... 's or Cocoapods' one? 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 - Round Double to closest 10

I would like to round a Double to the closest multiple of 10. For example if the number is 8.0 then round to 10. ... to 0. How can I do 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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rust - How do I use the Entry API with an expensive key that is only constructed if the Entry is Vacant?

Is it possible to use the Entry API to get a value by a AsRef<str>, but inserting it with Into<String>? This ... Maybe in a neat way with Cow? See Question&Answers more detail:os...

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

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primitive types - Java: Why can't I cast int to Long

All numbers in Java are supposed to be of int type. The following line is legal in Java>1.5 Short s = ... variable. Any thoughts on this matter? 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 - How does Html.Raw MVC helper work?

I use the Html.Raw to print a raw html content, for example when I send some thing like ViewBag.div = "< ... a parameter instead of html tags?. See Question&Answers more detail:os...

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

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XML Schema that allows anything (xsd:any)

I need an example of XML schema that will allow anything and everything. It might sound weird like this, but I ... that obviously didn't 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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c# - Conversion of BitmapImage to Byte array

I want to convert a BitmapImage to ByteArray in a Windows Phone 7 Application. So I tried this but it throws the ... of the image return data; } 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 - Is it a good idea to use $_SERVER['DOCUMENT_ROOT'] in includes?

Is this, for example, a good idea? require_once($_SERVER['DOCUMENT_ROOT'].'/include.php'); If you have two ... in general what could go 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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c# - Is it possible to force an auto-property to use a readonly backing field?

My project contains a large number of classes with properties whose backing field is marked readonly as they ... readonly string LastName; 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# - Why doesn't VS 2008 display extension methods in Intellisense for String class

Since String implements IEnumerable<char>, I was expecting to see the Enumerable extension methods in Intellisense, ... to this 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 - Get the cell value as how it was presented in excel

I am currently working on a project that reads an excel file using Apache POI. My task seems to be simple, I ... how it was presented in excel? See Question&Answers more detail:os...

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

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file permissions - How can I set the umask from within java?

I'm new to Java. Where is umask exposed in the api? See Question&Answers more detail:os...

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

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Undefined index with PHP sessions

I'm new to PHP and am even more of a beginner when it comes to sessions. I have my index.php page, ... that won't contain any important data. See Question&Answers more detail:os...

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

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334 views

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php - Jquery: Running AJAX locally without a webserver

I have the following function in a .js file in index.html function getValues(){ $.ajax({ type: 'POST', url: "http ... "=>rand(5000, 20000))); ?> See Question&Answers more detail:os...

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

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io - How to idiomatically / efficiently pipe data from Read+Seek to Write?

I want to take data from random locations in input file, and output them sequentially to output file. Preferably, ... there is a better 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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589 views

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vectorization - numpy elementwise outer product

I want to do the element-wise outer product of two 2d arrays in numpy. A.shape = (100, 3) # A numpy ... Does anyone have an idea? 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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905 views

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gcc - Compile Python code to statically linked executable with Cython

I have a pure Python script that I would like to distribute to systems with unkown Python configuration. Therefore ... given by python3-config? See Question&Answers more detail:os...

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

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514 views

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javascript - Lodash remove items recursively

Given this JSON object, how does lodash remove the reach value from the objects? { total: 350, SN1: { ... actual problem. Can anyone 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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590 views

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haskell - What is a monad?

Having briefly looked at Haskell recently, what would be a brief, succinct, practical explanation as to what a ... lacking in practical detail. See Question&Answers more detail:os...

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

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438 views

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Equivalent for .HasOptional in Entity Framework Core 1 (EF7)

Consider two classes. public class File { [Key] public string Id { get; set; } public string Message_Id { ... Framework Core 1? 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++ - Is there any difference between "T" and "const T" in template parameter?

Is there any difference between following 2 syntax: template<int N> struct A; // (1) and template<const int N> ... for when to use each syntax ? See Question&Answers more detail:os...

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

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683 views

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swift - How to avoid force unwrapping a variable?

How do I avoid using the ! operation doing a force unwrap as using this is usually a bad option. What is the ... , we're going to fight" O_O See Question&Answers more detail:os...

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

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716 views

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rust - Why does println! work only for arrays with a length less than 33?

In Rust, this works: fn main() { let a = [0; 32]; println!("{:?}", a); } but this doesn't: fn main ... it's detection. Or why doesn't 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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319 views

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How to update Google Play Services for Android Studio 2.2 emulators?

There are a number of variations of this question, however most are very old, and don't really answer the question ... thing am I missing? TIA See Question&Answers more detail:os...

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

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394 views

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Event listener in Java without app having focus? (Global keypress detection)

I've been searching for a while and everybody seems to think this is not possible using just Java, so I'll give ... on the c/JNI stuff? 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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296 views

1 answer

How do I explicitly execute default action from jQuery event

Following up from this question, I'm trying to implement an unobtrusive confirm dialog. $(document).ready( ... like event.executeDefault(). See Question&Answers more detail:os...

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

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