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c# - What's the method representation in memory?

While thinking a little bit about programming in Java/C# I wondered about how methods which belong to objects ... unsure about their answers. 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 send csrf_token() inside AngularJS form using Laravel API?

I am trying to build an angular + laravel rest application. I can get the views of my database. When I try to ... x-www-form-urlencoded' } }); 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 design - Composite primary key or not?

Here's what's confusing me. I often have composite primary keys in database tables. The bad side of that ... the 2nd approach? 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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c++ - all combinations of k elements out of n

Can somebody provide me a link or pseudocode of a function for finding all combinations of k elements out of n? ... numbers of size k. 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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jsf 2 - JSF 2 and Post/Redirect/Get?

Please correct me if I'm wrong, but I'm thinking of all of my non-AJAX submits should use the Post/Redirect ... simple as this: return "myview"; 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 implement conditional string formatting?

I've been working on a text-based game in Python, and I've come across an instance where I want to format ... for any help you can provide. 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# - Getting the index of a particular item in array

I want to retrieve the index of an array but I know only a part of the actual value in the array. For example, ... value part. How 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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c# - How to determine if an event is already subscribed

In my .NET application I am subscribing to events from another class. The subscription is conditional. I am ... will subscribe to that event? See Question&Answers more detail:os...

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

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visual c++ - Difference between Windows and Console application

What differences are there between Windows and Console applications ? When creating a new project in Visual C++ , it ... either of the 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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unicode - Convert International String to u Codes in java

How can I convert an international (e.g. Russian) String to u numbers (unicode numbers) e.g. u041eu041a for OK ? 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 do I prevent a class from being allocated via the 'new' operator? (I'd like to ensure my RAII class is always allocated on the stack.)

I'd like to ensure my RAII class is always allocated on the stack. How do I prevent a class from being allocated via the 'new' operator? 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# - Get string name of property using reflection

There is a whole wealth of reflection examples out there that allow you to get either: 1. All properties in ... the PropertyInfo.Name from 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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What determines default branch after "git clone"?

My understanding is that the default branch of a cloned repository is to be whatever HEAD points to in the repo ... guess which branch to 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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r - Extract names of objects from list

I have a list of objects. How do I grab the name of just one object from the list? As in: LIST <- list(A= ... be in red at the top of both plots See Question&Answers more detail:os...

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

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haskell - List of different types?

data Plane = Plane { point :: Point, normal :: Vector Double } data Sphere = Sphere { center :: Point, radius :: Double } ... 0.5, 0.6, 0.2] } ] See Question&Answers more detail:os...

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

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stl - How is C++ std::vector implemented?

I have been using std::vector a lot, and recently I asked myself this question: "How is std::vector implemented? ... that I should be aware of? See Question&Answers more detail:os...

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

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ios - Cannot put a google maps GMSMapView in a subview of main main view?

I'm struggling with this problem! I want to add a google maps GMSMapView into a UIView that is only a portion of ... 't find a valid solution :( See Question&Answers more detail:os...

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

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Why does "1" in awk print the current line?

In this answer, awk '$2=="no"{$3="N/A"}1' file was accepted. Note the 1 at the end of the AWK script. ... line. I'm puzzled. How does that 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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501 views

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android - LiveData prevent receive the last value when start observing

Is it possible to prevent LiveData receive the last value when start observing? I am considering to use ... ViewModel in MVVM with LiveData See Question&Answers more detail:os...

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

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615 views

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jquery - Twitter Bootstrap Collapse plugin Direction—Horizontal instead of Vertical

Is there a way to collapse the the Bootstrap Collapse plugin from horizontally instead of vertically? Looking ... greatly appreciated. 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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553 views

1 answer

c# - Can Razor Class Library pack static files (js, css etc) too?

Maybe duplicate of this already, but since that post does not have any answer, I am posting this question. The new ... why it should not 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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464 views

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How to change background color popup menu android

I generate each option of menu from querying database. Here is my code. final PopupMenu popupMenu = new PopupMenu( ... Is it possible ? 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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447 views

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java - How to move/rename file from internal app storage to external storage on Android?

I am downloading files from the internet and saving the streaming data to a temp file in my app's internal ... copy and delete the original? See Question&Answers more detail:os...

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

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271 views

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WPF : Extend last column of ListView's GridView

I have a ListView with a GridView with 3 columns. I want last column to take up remaining width of the ListView. See Question&Answers more detail:os...

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

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276 views

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Python Opencv SolvePnP yields wrong translation vector

I am attempting to calibrate and find the location and rotation of a single virtual camera in Blender 3d ... "Translation_Matrix = ", tvecs_new See Question&Answers more detail:os...

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

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713 views

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java - Multiple commands through JSch shell

I was trying to execute multiple commands through SSH protocol using the JSch library. But I seem to have stuck ... to get the desired output? See Question&Answers more detail:os...

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

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281 views

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java - Executing a Jar on Vista with a double click

This pretty much has me defeated. On XP and earlier versions of Windows you could customise Open With filetypes to ... a .jar as required? See Question&Answers more detail:os...

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

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325 views

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c# - How do I create a file AND any folders, if the folders don't exist?

Imagine I wish to create (or overwrite) the following file :- C:TempBarFooTest.txt Using the File.Create(..) ... all permissions are fine, 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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