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javascript - Replace last occurrence of character in string

Is there an easy way in javascript to replace the last occurrence of an '_' (underscore) in a given string? See Question&Answers more detail:os...

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mocking - How do I mock a static method that returns void with PowerMock?

I have a few static util methods in my project, some of them just pass or throw an exception. There are ... success but I dislike workarounds. See Question&Answers more detail:os...

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Uniq by object attribute in Ruby

What's the most elegant way to select out objects in an array that are unique with respect to one or more ... s methods would be fine too. See Question&Answers more detail:os...

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python - NLTK download SSL: Certificate verify failed

I get the following error when trying to install Punkt for nltk: nltk.download('punkt') [nltk_data] Error loading Punkt ... (_ssl.c:590)> False See Question&Answers more detail:os...

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Restoring database from .mdf and .ldf files of SQL Server 2008

For some reason I have to uninstall SQL Server 2008 R2 but before that I copied two files (.mdf and .ldf) of my ... yes: then how can I do this? See Question&Answers more detail:os...

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html - Setting the selected attribute on a select list using jQuery

I have the following HTML: <select id="dropdown"> <option>A</option> <option>B</option> <option>C</option> < ... How would I do this in jQuery? See Question&Answers more detail:os...

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execution - How to stop/terminate a python script from running?

I wrote a program in IDLE to tokenize text files and it starts to tokeniza 349 text files! How can I stop ... I stop a running Python program? See Question&Answers more detail:os...

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ruby - How to group by count in array without using loop

arr = [1,2,1,3,5,2,4] How can I count the array by group value with sorting? I need the following output: x[1] = 2 x[ ... = 1 x[4] = 1 x[5] = 1 See Question&Answers more detail:os...

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IntelliJ IDEA: Running a shell script as a Run/Debug Configuration

Is there a way by which a shell script can be invoked from IntelliJ Run/Debug configurations? See Question&Answers more detail:os...

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intellij idea - Error: java: invalid source release 1.9

I'm trying to run my JSQL parser class, but I'm getting Error: java: invalid source release 1.9. I tried to ... ); e.printStackTrace(); } } } See Question&Answers more detail:os...

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ruby on rails - How to check a checkbox in capybara?

I'm using Rspec and Capybara. How can I write a step to check a checkbox? I've tried check by value but it can ... 0;" value="63" name="cityID"> See Question&Answers more detail:os...

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postgresql - eliminate duplicate array values in postgres

I have an array of type bigint, how can I remove the duplicate values in that array? Ex: array[1234, 5343, ... manual but it is not working. See Question&Answers more detail:os...

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docker - Why I cannot connect to Kafka from outside?

I am running kafka on ec2 instance. So amazon ec2 instance has two ips one is internal ip and second one ... many combinations but didn't work. See Question&Answers more detail:os...

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Angular 4 - Select default value in dropdown [Reactive Forms]

In Angular 4, I have the following configuration defined in a json config file. countries: ['USA', 'UK', ... value is selected by default? See Question&Answers more detail:os...

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iPhone MKMapView Annotation Clustering

I've got quite a lot of pins to put on my map so I think it would be a nice idea to cluster those ... that you know and are good? Thanks. See Question&Answers more detail:os...

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angularjs - Error: [$resource:badcfg] Error in resource configuration. Expected response to contain an array but got an object?

How fix Error: [$resource:badcfg] Error in resource configuration. Expected response to contain an array but got an object? // ... ; } } }); }); See Question&Answers more detail:os...

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windows - batch file to check 64bit or 32bit OS

Can I check to see if current machine is running 64bit OS or 32bit OS inside a batch file? EDIT: Found this ... is good enough to me now: See Question&Answers more detail:os...

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cocoa - Observe a File or Folder in Objective-C

What is the best way to listen to a folder or file to see if it has been saved or if a new file has been added? See Question&Answers more detail:os...

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android - Change the background color of CardView programmatically

The CardView has an attribute card_view:cardBackgroundColor to define the background color. This attribute works ... has a cardCornerRadius. See Question&Answers more detail:os...

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Phone number validation Android

How do I check if a phone number is valid or not? It is up to length 13 (including character + in ... 13 and should not accept other characters See Question&Answers more detail:os...

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angular - How can I create an observable with a delay

Question For testing purposes, I'm creating Observable objects that replace the observable that would be returned by an ... 't seem to work. See Question&Answers more detail:os...

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How do I crop an image in Java?

I want to crop an image manually using the mouse. Suppose the image has some text, and I want to select some ... that area by using the mouse. See Question&Answers more detail:os...

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version control - Where does a Git branch start and what is its length?

Every now and then I'm asked, on what commit a certain branch on git starts or if a certain commit ... to answer those questions correctly. See Question&Answers more detail:os...

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How to set session timeout dynamically in Java web applications?

I need to give my user a web interface to change the session timeout interval. So, different installations of ... it upon application startup? See Question&Answers more detail:os...

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c# - How to redirect to Index from another controller?

I have been looking through trying to find some way to redirect to an Index view from another controller. ... Applications","../Application") See Question&Answers more detail:os...

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node.js - How to get all count of mongoose model?

How can I know the count of a model that data has been saved? there is a method of Model.count(), but it ... called can get a real count? 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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Disable Buttons in jQuery Mobile

This is for jQuery Mobile. Not all regular jQuery answers will work. I can't get my buttons to disable in ... code: http://pastebin.com/HGSbpAHQ See Question&Answers more detail:os...

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list - Scala's '::' operator, how does it work?

In Scala, I can make a caseclass, case class Foo(x:Int), and then put it in a list like so: List(Foo( ... use it, but what is the explanation? See Question&Answers more detail:os...

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