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Java Error - Actual and formal argument lists differ in length

I am trying to call a method, but it is giving this error: java:112: error: required: String, String ... trying to call it: shipOrder.setShippingDest("Broome"); Question&Answers:os...

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

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Is variable called "name" always defined in Javascript?

document.writeln('name=' + name); // name = document.writeln('notName=' + notName); // ReferenceError: notName ... meaning in javascript? (checked in IE and FF) Question&Answers:os...

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

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sql - GROUP BY and aggregate sequential numeric values

Using PostgreSQL 9.0. Let's say I have a table containing the fields: company, profession and year. I ... that only consecutive years shall be grouped together. Question&Answers:os...

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

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javascript - React - Preventing Form Submission

I've been experimenting with React. In my experiement, I'm using the Reactstrap framework.When I click a button, I've ... ; </p> </Form> What am I missing? Question&Answers:os...

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

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html - CSS :before on inline SVG

Update Thanks porneL for pointing out the relation between generated content and replaced elements. I found this article which deals ... /> </svg> <div></div> Question&Answers:os...

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

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printing - overload print python

Am I able to overload the print function and call the normal function from within? What I want to do is after a ... print in 2.x which is what I am using. Question&Answers:os...

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

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io - Create a new line in Java's FileWriter

I have coded the following FileWriter: try { FileWriter writer = new FileWriter(new File("file.txt"), false); String ... can be done to solve this? Thank you. Question&Answers:os...

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

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c - What operations and functions on +0.0 and -0.0 give different arithmetic results?

In C, when 0.0 is supported, -0.0 or +0.0 assigned to a double typically makes no arithmetic difference. ... . Also the 2 results should not both be NaN. Question&Answers:os...

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

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emacs - Why does an elisp local variable keep its value in this case?

Could someone explain to me what's going on in this very simple code snippet? (defun test-a () (let ((x '(nil)) ... )). Why aren't test-a and test-b equivalent? Question&Answers:os...

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

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mysql - Prevent SQL injection attacks in a Java program

I have to add a statement to my java program to update a database table: String insert = "INSERT INTO customer(name ... by a hacker and how I can prevent this. Question&Answers:os...

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

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c++ - Overloading friend operator << for template class

I'm trying to overload the operator << as a friend to a template class Pair, but I keep getting a compiler ... anyone know the proper syntax for this? Thanks. Question&Answers:os...

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

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multithreading - Thread safe multitons in Java

Given the following multiton: public class Multiton { private static final Multiton[] instances = new Multiton[...] ... doesn't seem to extend to multitons. Question&Answers:os...

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

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python - Restart cumsum and get index if cumsum more than value

Say I have an array of distances x=[1,2,1,3,3,2,1,5,1,1]. I want to get the indices from x where ... I was wondering if I could do it in a vectorized way. Question&Answers:os...

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

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xml - How to force wrap on table entries

I'm having an issue where when I publish my modspecs to pdf (XSL-FO). My tables are having issues, where ... way to isolate the above process to just tables? Question&Answers:os...

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

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277 views

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windows - Batch file variables initialized in a for loop

I have a batch file which initializes variables via SET inside a for loop, for a set of files on disk: for ... Ideas why this is, and what the workaround is? 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 filterable in RealmRecyclerViewAdapter

I'm using well RealmRecyclerViewAdapter. My problem is to implement a Filterable that not works. This is the code ... I filter it and update the adapter? Thanks Question&Answers:os...

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

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258 views

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python - Vectorized searchsorted numpy

Assume that I have two arrays A and B, where both A and B are m x n. My goal is now, for each ... of either algorithm that I haven't managed to find? Question&Answers:os...

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

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c# - Why can't class fields be var?

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

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performance - Is ADD 1 really faster than INC ? x86

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

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asynchronous - How do I conditionally return different types of futures?

I have a method that, depending on a predicate, will return one future or another. In other words, an if-else ... How is if-else logic in futures normally done? Question&Answers:os...

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

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128 views

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r - else if(){} VS ifelse()

Why can we use ifelse() but not else if(){} in with() or within() statement ? I heard the first is vectorizable and not the latter. What does it mean ? Question&Answers:os...

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

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326 views

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javascript - Onclick event not firing on jsfiddle.net

Closed. This question needs debugging details. It is not currently accepting answers. Question&Answers:os...

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

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310 views

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python - Using the class as a type hint for arguments in its methods

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

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Android Studio - unable to merge from SVN branch

We have decided to follow the process of creating a new SVN branch for every new feature that we add to our ... know how to achieve this in Android Studio? Question&Answers:os...

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

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floating point - Why does (360 / 24) / 60 = 0 ... in Java

I am trying to compute (360 / 24) / 60 I keep getting the answer 0.0 when I should get 0.25 In words ... really stupid, or is there a good reason for this Question&Answers:os...

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

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c# - How to justify text in a label

I have a label that displays on more than a line and I would like to justify the text in it (align left and right). What is the best way to achieve that? Question&Answers:os...

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

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192 views

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html - Which are the standard W3C meta tags?

What are the list of standard meta tags defined in W3C other than the below given at http://www.w3.org/wiki/HTML/ ... "W3C, HTML, CSS, SVG, Web standards" /> Question&Answers:os...

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

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auto increment - How to handle fragmentation of auto_increment ID column in MySQL

I have a table with an auto_increment field and sometimes rows get deleted so auto_increment leaves gaps. ... auto_increment value or auto_increment value + 1? Question&Answers:os...

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

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