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Android import java.nio.file.Files; cannot be resolved

I am trying out the new Gmail API and the samples use the classes in the java.nio.file package, e.i. ... I am doing everything right here, any suggestions? Question&Answers:os...

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

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653 views

1 answer

C# Reflection - Get field values from a simple class

I have a class: class A { public string a = "A-val" , b = "B-val"; } I want to print the object ... B-val Unfortunately this did not work. Please help, thanks. Question&Answers:os...

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

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443 views

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c# - Set default global json serializer settings

I'm trying to set the global serializer settings like this in my global.asax. var formatter = GlobalConfiguration. ... like this or am I missing something? Question&Answers:os...

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

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113 views

1 answer

Why is this regex using lookbehinds invalid in R?

I'm trying to do a lookbehind regex in R to find a pattern. I expect this would pull the 'b' in ' ... manual/R-patched/library/base/html/regex.html Any ideas? Question&Answers:os...

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

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155 views

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mysql - Error when using except in a query

This query works: mysql> SELECT s.sno FROM students s; +------+ | sno | +------+ | 1 | | 2 | | 3 | | ... t.cno = 'CS112'' at line 2 What am I doing wrong here? Question&Answers:os...

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

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79 views

1 answer

java - Access file in jar file?

I need to be able to access a file stored in a compiled jar file. I have figured out how to add the file to ... , but I don't know how to look inside itself. Question&Answers:os...

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

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How to forward headers on HTTP redirect

I'm writing a webapp that reponses an HTTP redirect. Is there a way to force the client to forward the ... exists something like what i'm searching for? Question&Answers:os...

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

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oracle - UTL_FILE.FOPEN() procedure not accepting path for directory?

I am trying to write in a file stored in c: drive named vin1.txt and getting this error .Please suggest! > ... execute sal_status('C:','vin1.txt');--Executing Question&Answers:os...

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

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380 views

1 answer

Unable to reverse lists in Python, getting "Nonetype" as list

I have a .py file that takes a list, finds the lowest number, puts it into a new array, removes the lowest number ... to reverse the list, no matter what I do? Question&Answers:os...

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

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1.1k views

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runtime - Running a java program from another java program

I am working on a simple java program. It simply compiles and executes another java program. I am using Runtime. ... I have to read something from the other. Question&Answers:os...

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

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436 views

1 answer

c# - An attempt was made to access a socket in a way forbidden by its access permissions

I just downloaded C# SDK and ASP.NET MVC sample, modified it to work with 4.2.1. (web config ... have seen examples using localhost:1234 in some tutorials. Question&Answers:os...

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

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96 views

1 answer

c++ - using in a string as literal instead of an escape

bool stringMatch(const char *expr, const char *str) { // do something to compare *(expr+i) == '\' // In this case ... a\sb", it reads in as "a\sb" as literal. Question&Answers:os...

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

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254 views

1 answer

Java Swing: How can I implement a login screen before showing a JFrame?

I'm trying to make a little game that will first show the player a simple login screen where they can ... is being displayed? Especially given my newbie skills? Question&Answers:os...

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

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624 views

1 answer

vba - Adding items in a Listbox with multiple columns

How can I add items in a list with 2 columns? It adds the items just in the first column if I use ListBox. ... want to add items in the 2nd column too. Thanks! Question&Answers:os...

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

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141 views

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android - How do MPAndroidChart renderers work and how do I write a custom renderer?

I am using the library MPAndroidChart but it doesn't have all of the functionality I want out of the box ... high-level procedure for writing a custom renderer? Question&Answers:os...

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

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66 views

1 answer

c# - How to find the difference between two images?

I'm developing a screen-sharing application. In this project I need to transport images over the internet. Obviously, ... that does that. I need an algorithm. Question&Answers:os...

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

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178 views

1 answer

Can an HTML element have the same attribute twice?

I'm considering writing code which produces an HTML tag that could have duplicate attributes, like this: <div ... I about to do something really stupid here? Question&Answers:os...

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

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206 views

1 answer

html - <input type="number"> not working in IE10

Although I'm pretty sure this was working yesterday or the day before, <input type="number" min="0" max="50" ... else having this issue? Or, did it never work? Question&Answers:os...

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

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508 views

1 answer

node.js - Is there any proper way to parse JSON with large numbers? (long, bigint, int64)

When I parse this little piece of JSON: { "value" : 9223372036854775807 } This is what I get: { hello: ... } Is there any way to parse it properly? Question&Answers:os...

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

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1.7k views

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laravel 5.5 - PHP Parse error: syntax error, unexpected '?' in helpers.php 233

When I create a new Laravel project, the browser displays an error 500. I found this in the log: PHP Parse ... Laravel Version: 5.5.0 Who knows what happened? Question&Answers:os...

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

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164 views

1 answer

c# - How to use HttpClient to send content in body of GET request?

Currently to send a parameterized GET request to an API interface I am writing the following code: api/master/city/ ... in order to avoid the URL length limit? Question&Answers:os...

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

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275 views

1 answer

c++ - regex replace with callback in c++11?

Is there a function of regex replacement that will send the matches to user function and then substitute the return ... that is capable of regex without boost. Question&Answers:os...

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

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220 views

1 answer

java - How can I change the arrow style in a JComboBox

Let's say I want to use a custom image for the arrow in JComboBox, how can I do this? I understand it's ... the image it uses. How exactly 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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1.4k views

1 answer

matlab - Use a vector as an index to a matrix

I'm writing a MATLAB function to read out data into an n-dimensional array (variable dimension size). I need to be ... use a vector as the points in an index? Question&Answers:os...

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

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246 views

1 answer

rust - Why does a generic method inside a trait require trait object to be sized?

I have this code (playground): use std::sync::Arc; pub trait Messenger : Sync + Send { fn send_embed<F: FnOnce( ... generic method in a trait. Is there a way? Question&Answers:os...

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

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194 views

1 answer

php - First drop down menu to auto change the options of a second dropdown

I have two drop down menus where the options are not get from the database. The first one, lets the user to ... be done without using a database? Thank you! Question&Answers:os...

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

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166 views

1 answer

python - Generating sublists using multiplication ( * ) unexpected behavior

This question already has answers here: Question&Answers:os...

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

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22.3k views

1 answer

javascript - How to use greasemonkey to selectively remove content from a website

The content I am trying to modify has a series of <div> entries, and within each of these are other <div> entries. There ... </div> </div> Question&Answers:os...

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

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