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java - ConcurrentModificationException when adding inside a foreach loop in ArrayList

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c# - Is it possible to access backing fields behind auto-implemented properties?

I know that I can use the verbose syntax for properties: private string _postalCode; public string PostalCode { get { ... 's say, theoretical ability to do so. Question&Answers:os...

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javascript - What is my script src URL?

Is there a simple and reliable way to determine the URL of the currently-executing JavaScript file (inside a web page ... raw attribute value is in the [X]HTML. Question&Answers:os...

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multithreading - How does synchronized work in Java

First, here's a sample: public class Deadlock { static class Friend { private final String name; public Friend(String ... of the same class? Help me out here. Question&Answers:os...

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Hyperlinks in d3.js objects

I am a complete novice at d3.js or java in general. I am using the indented tree example from http://bl.ocks. ... I can make to flare.json that will do that? Question&Answers:os...

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r - How do I position two legends independently in ggplot

Title pretty well covers it. I have two legends, relating to size and colour, and wish to have one,say, on the ... graph. Is this possible and, if so, how TIA Question&Answers:os...

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zipapp - python: can executable zip files include data files?

Being fairly new to python I only recently discovered the ability to directly execute a .zip file by ... executed without having to extract it somewhere. Question&Answers:os...

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php - Round minute down to nearest quarter hour

I need to round times down to the nearest quarter hour in PHP. The times are being pulled from a MySQL database ... but not sure how to go about it. Thanks Question&Answers:os...

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java - instanceof - incompatible conditional operand types

The following compiles fine: Object o = new Object(); System.out.println(o instanceof Cloneable); But this doesn ... error is thrown. What is the problem? Question&Answers:os...

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javascript - Meteor: Proper use of Meteor.wrapAsync on server

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javascript - Access denied to jQuery script on IE

I have an iframe using the jQuery 1.4.2 script. The same iframe is injected into both http and https sites. The ... success: function(ret){ callback(ret) } }); Question&Answers:os...

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c++ - Append an int to a std::string

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php pdo: get the columns name of a table

How can I get all the column names from a table using PDO? id name age 1 Alan 35 2 Alex 52 3 Amy 15 The info that I want ... > id [1] => name [2] => age ... ) Question&Answers:os...

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PHP Redirect to another page after form submit

I have read all your posts about inserting headers into a php form file in order to redirect the user to another ... subscribing to our mailing list <?php } ?> Question&Answers:os...

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arrays - PHP list all files in directory

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amazon web services - API Gateway - POST multipart/form-data

It seems my question maybe a little similar to this one. I have an API within my API Gateway and am doing ... POST Error is still 400 - no file found Question&Answers:os...

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windows 7 - check whether Internet connection is available with C#

What is the easiest way to check whether internet connection is available programatically? EDIT: As suggested I ... access internet over a shared wifi network. Question&Answers:os...

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javascript - How can I highlight the text of the DOM Range object?

I select some text on the html page(opened in firefox) using mouse,and using javascript functions, i create/get ... single node or multiple node? Thanks.... Question&Answers:os...

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What does a star-preceded property mean in CSS?

I was looking at a css file today and found the following rule set: div.with-some-class { display:block; margin ... mean in *padding and *line-height? Thanks. Question&Answers:os...

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r - Why do I get "warning longer object length is not a multiple of shorter object length"?

I have dataframe dih_y2. These two lines give me a warning: > memb = dih_y2$MemberID[1:10] > dih_col = which ... is not a multiple of shorter object length Why? Question&Answers:os...

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php - PHPMailer GoDaddy Server SMTP Connection Refused

The other day I was experiencing some problems with my GoDaddy hosted site. I called their tech support, and ... modifying the server, username, password, etc. Question&Answers:os...

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Get the content of a sharepoint folder with Excel VBA

Usually I use this piece of code to retrieve the content of a folder in VBA. But this doesn't work in ... transparent, because it relies on the Windows login. Question&Answers:os...

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facebook - How should we retrieve an individual post now that /[post-id] is deprecated in v2.4?

I just tried through the Graph API Explorer with this path /v2.4/10153513872748291 and I've got this result: { "error" ... .3 works, but v2.4 is the latest one. Question&Answers:os...

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Check if JavaScript is enabled with PHP

Is there a way to check if JavaScript is enabled with PHP? If so, how? Question&Answers:os...

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image - Drag and drop batch file for multiple files?

I wrote a batch file to use PngCrush to optimize a .png image when I drag and drop it onto the batch file. In the what's ... png, new(1).png, new(2).png, etc... Question&Answers:os...

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javascript - Coordinates of selected text in browser page

I need the coordinates in pixels of the beginning of the text selection (anywhere on the page, not in a textarea). ... a text). I hope someone has the solution! Question&Answers:os...

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jquery - How to automatically change the text size inside a div?

I have a background image with a div. I want to write some text, but this text should change the font size through the div. Question&Answers:os...

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

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C# find highest array value and index

So I have an unsorted numeric array int[] anArray = { 1, 5, 2, 7 }; and I need to get both the value and the ... which would be 7 and 3, how would I do this? Question&Answers:os...

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

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