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c# - Switch case: can I use a range instead of a one number

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

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html - Highlight label if checkbox is checked

Is there a non-javascript way of changing the color of a label when the corresponding checkbox is checked? Question&Answers:os...

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

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hash - Is there an MD5 Fixed Point where md5(x) == x?

Is there a fixed point in the MD5 transformation, i.e. does there exist x such that md5(x) == x? Question&Answers:os...

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

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python - heapq with custom compare predicate

I am trying to build a heap with a custom sort predicate. Since the values going into it are of 'user-defined' ... I don't need to keep passing the predicate. Question&Answers:os...

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

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x86 - Why is there not a register that contains the higher bytes of EAX?

%AX = (%AH + %AL) So why not %EAX = (%SOME_REGISTER + %AX) for some register %SOME_REGISTER? Question&Answers:os...

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

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android - Use a custom contextual action bar for WebView text selection

I have used this guide from Google and this tutorial to produce my own contextual action bar. private ActionMode. ... neither of those are possible... help. Question&Answers:os...

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

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c - Trying to understand gcc option -fomit-frame-pointer

I asked Google to give me the meaning of the gcc option -fomit-frame-pointer, which redirects me to the ... in an application where there are many functions. Question&Answers:os...

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

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html - Why should I use 'li' instead of 'div'?

I'm not sure why I need to use ul-li vs simply using divs when listing items. I can make both look ... to creating an unordered list vs lining up divs? Question&Answers:os...

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

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python - How to increment a datetime by one day?

How to increment the day of a datetime? for i in range(1, 35) date = datetime.datetime(2003, 8, i) ... need pass through months and years correctly? Any ideas? Question&Answers:os...

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

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How to wrap async function calls into a sync function in Node.js or Javascript?

Suppose you maintain a library that exposes a function getData. Your users call it to get actual data: var ... any npm package despite not working in JSFiddle. Question&Answers:os...

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

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python - When would the -e, --editable option be useful with pip install?

When would the -e, or --editable option be useful with pip install? For some projects the last line in requirements.txt is -e .. What does it do exactly? Question&Answers:os...

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

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json - No serializer found for class org.hibernate.proxy.pojo.javassist.Javassist?

I am working on SpringMVC, Hibernate & JSON but I am getting this error. HTTP Status 500 - Could not write JSON: No ... = token; } } How can I Solve this? Question&Answers:os...

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

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c++ - Copy constructor for a class with unique_ptr

How do I implement a copy constructor for a class that has a unique_ptr member variable? I am only considering C++11. Question&Answers:os...

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

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r - Change the spacing of tick marks on the axis of a plot?

How can I change the spacing of tick marks on the axis of a plot? What parameters should I use with base plot or with rgl? Question&Answers:os...

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

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servlets - How to redirect to Login page when Session is expired in Java web application?

I'm running a web application in JBoss AS 5. I also have a servlet filter which intercepts all the requests ... -timeout>15</session-timeout> </session-config> Question&Answers:os...

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

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typescript - How to get query parameters from URL in Angular 5?

I'm using angular 5.0.3, I would like to start my application with a bunch of query parameters like /app?param1= ... parameters here... // this.route... } } Question&Answers:os...

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

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ios - appearanceWhenContainedIn in Swift

I'm trying to convert my app to the Swift language. I have this line of code: [[UIBarButtonItem appearanceWhenContainedIn ... 's docs, there is no such method. Question&Answers:os...

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

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javascript - AngularJS browser autofill workaround by using a directive

When submitting a form in AngularJS and use the browser remember password functionality, and in a subsequent login ... value. How can I accomplish that? Question&Answers:os...

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

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184 views

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How to refresh an AlertDialog in Flutter?

Currently, I have an AlertDialog with an IconButton. The user can click on the IconButton, I have two colors for each ... (() => pressphone = !pressphone), ), Question&Answers:os...

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

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Understanding async / await in C#

I'm starting to learn about async / await in C# 5.0, and I don't understand it at all. I don't ... blogs or MSDN articles that are out there are helping. Question&Answers:os...

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

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How to divide each row of a matrix by elements of a vector in R

I would like to divide each row of a matrix by a fixed vector. For example mat<-matrix(1,ncol=2,nrow=2,TRUE) ... 0.1 Is there an explicit command to get there? Question&Answers:os...

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

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Why aren't Xcode breakpoints functioning?

I have breakpoints set but Xcode appears to ignore them. Question&Answers:os...

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

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string - What's the difference between str.isdigit, isnumeric and isdecimal in python?

When I run these methods s.isdigit() s.isnumeric() s.isdecimal() I always got as output or all True, or all ... gives two Trues and one False (or vice versa)? Question&Answers:os...

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

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java - Why can't I declare static methods in an interface?

The topic says the most of it - what is the reason for the fact that static methods can't be declared in an ... .test(); only public & abstract are permitted". Question&Answers:os...

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

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Save PHP array to MySQL?

What is a good way to save an array of data to a single mysql field? Also once I query for that ... into array form? Is serialize and unserialize the answer? Question&Answers:os...

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

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windows - flutter doctor --android-licenses gives a java error

Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema at com.android.repository ... running it on the flutter console. Question&Answers:os...

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

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What is the difference between Release and Debug modes in Visual Studio?

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

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Install opencv for Python 3.3

Is OpenCV still not available for Python 3.3 and do I really have to downgrade to Python 2.7 to use it? ... load failed: %1 ist keine zul?ssige Win32-Anwendung. Question&Answers:os...

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

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