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python - matplotlib colorbar for scatter

I'm working with data that has the data has 3 plotting parameters: x,y,c. How do you create a ... result is TypeError: You must first set_array for mappable Question&Answers:os...

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

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jQuery won't parse my JSON from AJAX query

I'm having difficulty parsing some JSON data returned from my server using jQuery.ajax() To perform the AJAX I'm ... . Any ideas what I'm doing wrong? Anthony Question&Answers:os...

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

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jquery - How to load an external webpage into a div of a html page

I need to load a responsive website into a div in my HTML page without using an iframe element. I have tried this link; ... + " " + xhr.statusText); } }); Question&Answers:os...

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

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uitableview - creating custom tableview cells in swift

I have a custom cell class with a couple of IBOutlets. I have added the class to the storyboard. I have ... What am I missing? Any help is appreciated. Question&Answers:os...

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

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c++ - Order of calling constructors/destructors in inheritance

A little question about creating objects. Say I have these two classes: struct A{ A(){cout << "A() ... default list? And the same question about destructing. Question&Answers:os...

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

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Named capturing groups in JavaScript regex?

As far as I know there is no such thing as named capturing groups in JavaScript. What is the alternative way to get similar functionality? Question&Answers:os...

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

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java - When to use wrapper class and primitive type

When I should go for wrapper class over primitive types? Or On what circumstance I should choose between wrapper / Primitive types? Question&Answers:os...

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Single table inheritance and where to use it in Rails

I am stuck in a weird Design problem, I am working on a two type of profiles Models, User profile (belongs ... in behaviour. Thoughts about what can I do? Question&Answers:os...

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

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c# - How do I get .NET Core projects to copy NuGet references to the build output?

I'm trying to write a plugin system with .NET Core, and one of my requirements are to be able to distribute ... specify this in the .csproj file (project file)? Question&Answers:os...

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

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android - How to run a method every X seconds

I'm developing an Android 2.3.3 application and I need to run a method every X seconds. In iOS, I have ... what works like NSTimer. What do you recommend me? Question&Answers:os...

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

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css selectors - What is the difference between a pseudo-class and a pseudo-element in CSS?

Things like a:link or div::after... Information on the difference seems scarce. Question&Answers:os...

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

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Create a variable name with "paste" in R?

See below: paste("perf.a", "1", sep="") # [1] "perf.a1" What if I want to assign a value to ... = 5 : # target of assignment expands to non-language object Question&Answers:os...

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How to switch activity without animation in Android?

How can I use properly the Intent flag FLAG_ACTIVITY_NO_ANIMATION in AndroidManifest file? I supose my problem is ... returning from second activity to first. Question&Answers:os...

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

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javascript - Copy / Put text on the clipboard with FireFox, Safari and Chrome

In Internet Explorer I can use the clipboardData object to access the clipboard. How can I do that in FireFox, Safari and/or Chrome? Question&Answers:os...

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

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Read all contacts' phone numbers in android

I'm using this code to retrieve all contact names and phone numbers: String[] projection = new String[] { People. ... numbers as well. How can i do this? Question&Answers:os...

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

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javascript - How to get the day of week and the month of the year?

I don't know much about Javascript, and the other questions I found are related to operations on dates, not only ... using now.getMonth() and now.getDay()? Question&Answers:os...

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

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python - pip install access denied on Windows

I am trying to run pip install mitmproxy on Windows, but I keep getting access denied, even with cmd and ... _cffi_backend.pyd' How can I make this work? Question&Answers:os...

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Loading .sql files from within PHP

I'm creating an installation script for an application that I'm developing and need to create databases ... phpMyAdmin does with its import command)? Question&Answers:os...

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

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Android: Taking complete control of phone(kiosk mode), is it possible? How?

We have a program that we install on the phones and loan the phones to users for a certain period. We ... //seap.samsung.com/developer/sdk/knox-standard-android Question&Answers:os...

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

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android - How to implement RecyclerView with CardView rows in a Fragment with TabLayout

I would like to implement a ListFragment in an Activity that uses a TabLayout, so that I can swipe between the ... .LENGTH_LONG).show(); } Thanks for help! Question&Answers:os...

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

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jsf 2 - Can I update a JSF component from a JSF backing bean method?

Is there a way to have a JSF Backing bean cause an update of a component on the page? I am not looking ... is a solution that can be had from using PrimeFaces. Question&Answers:os...

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

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Extracting date from a string in Python

How can I extract the date from a string like "monkey 2010-07-10 love banana"? Thanks! Question&Answers:os...

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

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java - How to add hyperlink in JLabel?

What is the best way to add a hyperlink in a JLabel? I can get the view using html tags, but how to open the browser when the user clicks on it? Question&Answers:os...

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Order a MySQL table by two columns

How do I sort a MySQL table by two columns? What I want are articles sorted by highest ratings first, then most ... sort by one or the other, but not both. Question&Answers:os...

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

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javascript - How to select option in drop down protractorjs e2e tests

I am trying to select an option from a drop down for the angular e2e tests using protractor. Here is the code ... light on what i might be doing wrong here. Question&Answers:os...

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

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javascript - DOM event precedence

What order of precedence are events handled in JavaScript? Here are the events in alphabetical order... onabort - Loading ... -first-out (FIFO) or so I believe. Question&Answers:os...

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

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json - XMLHttpRequest cannot load an URL with jQuery

I'm trying to get some json data from a "remote" website. I run my web service on the 99000 port then, I launch ... "}] Do you know why I'm getting this error? Question&Answers:os...

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

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java - Secure HTTP Post in Android

I have a pretty basic helper class that I'm using to do all my Http Get/Post stuff. I'm using ... schReg); return new DefaultHttpClient(conMgr, params); } Question&Answers:os...

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

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