OStack Q&A-Knowledge Sharing Community

0 votes

394 views

1 answer

Simplest way to correctly load html from web page into a string in Java

Just what the title says. Help greatly appreciated! See Question&Answers more detail:os...

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

0 votes

405 views

1 answer

javascript - Does awaiting a non-Promise have any detectable effect?

One can await a non-Promise and that's good so. All these expressions are valid and cause no error: await 5 ... = 5; will evaluate immediately. See Question&Answers more detail:os...

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

0 votes

381 views

1 answer

java - Why can't I split a string with the dollar sign?

I want to split a string which has content like this: a$b$c but when I use: String data=... data.split("$" ... works. does anyone has any Idea? See Question&Answers more detail:os...

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

0 votes

1.1k views

1 answer

parameter name omitted, C++ vs C

In C++, I tend to omit the parameter's name under some circumstances. But in C, I got an error when ... 's name in C function definition? See Question&Answers more detail:os...

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

0 votes

405 views

1 answer

ios - How can I programmatically find Swift's version?

I know I can find the version of Swift I'm running right now reverting to a Terminal and typing: ... but rather prefer some simpler solution See Question&Answers more detail:os...

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

0 votes

492 views

1 answer

javascript - "Aw, Snap" when data uri is too large

I'm writing a chrome extension which does the following: Downloads a file from a website to memory using ... length is greater than 2097100? See Question&Answers more detail:os...

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

0 votes

501 views

1 answer

ios - @Binding and ForEach in SwiftUI

I can't undertand how to use @Binding in combination with ForEach in SwiftUI. Let's say I want to create a list ... a way to solve this issue? See Question&Answers more detail:os...

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

0 votes

511 views

1 answer

.net - Reconfigure NLog LoggingConfiguration filters programmatically

This is my first time using the NLog package for logging but so far its been great to work with. In my ... taking the right approach with this. See Question&Answers more detail:os...

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

0 votes

563 views

1 answer

Access a Groovy variable from within shell step in Jenkins pipeline

Using the Pipeline plugin in Jenkins 2.x, how can I access a Groovy variable that is defined somewhere at ... environmental scope for this task. See Question&Answers more detail:os...

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

0 votes

302 views

1 answer

How to convert nested list of lists into a list of tuples in python 3.3?

I am trying to convert a nested list of lists into a list of tuples in Python 3.3. However, it seems that I don't ... mouse'), ('spark', 'dog')] See Question&Answers more detail:os...

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

0 votes

448 views

1 answer

java - Why can't I refer to an instance method while explicitly invoking a constructor?

Does anyone know why you can reference a static method in the first line of the constructor using this() or super(), ... ()); return a; } } See Question&Answers more detail:os...

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

0 votes

908 views

1 answer

django form resubmitted upon refresh

After I submit the form for the first time and then refresh the form it gets resubmitted and and ... context_instance = RequestContext(request)) See Question&Answers more detail:os...

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

0 votes

243 views

1 answer

Execute a stored procedure in another stored procedure in SQL server

How can i execute a stored procedure in another stored procedure in SQL server? How will I pass the parameters of the second procedure.? See Question&Answers more detail:os...

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

0 votes

395 views

1 answer

c# - Directly modifying List<T> elements

I have this struct: struct Map { public int Size; public Map ( int size ) { this.Size = size; } public override string ... [ 2 ].Size = 0; Why? See Question&Answers more detail:os...

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

0 votes

1.1k views

1 answer

regex - Does lookbehind work in sed?

I created a test using grep but it does not work in sed. grep -P '(?<=foo)bar' file.txt This works correctly ... as output, but it did not work. See Question&Answers more detail:os...

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

0 votes

426 views

1 answer

c# - Sorting Files by date

I am using such code to compare files to sort by date.. FileInfo f = new FileInfo(name1); FileInfo f1 = ... by getting all files from directory. See Question&Answers more detail:os...

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

0 votes

654 views

1 answer

node.js - Connect or Express middleware to modify the response.body

I would like to have a middleware function which modifies the response body. This is for an express ... documentation would be appreciate. See Question&Answers more detail:os...

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

0 votes

911 views

1 answer

debugging - How do I debug a WordPress plugin?

I've recently inherited a WordPress plugin that has a few bugs in it. My problem is that I'm also new to ... a popup or log to a console. See Question&Answers more detail:os...

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

0 votes

655 views

1 answer

javascript - Using querySelectorAll to change the style property of multiple elements

I have the following function which when triggered will make a DIV become semi-transparent. function changeOpacity(el) ... would I implement it? See Question&Answers more detail:os...

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

0 votes

652 views

1 answer

serialization - custom serializer for just one property in Json.NET

UPDATE Found the issue -- was inheriting from wrong class, needed to be JsonConverter. I have a class that ... override the WriteJson() method? See Question&Answers more detail:os...

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

0 votes

1.1k views

1 answer

math - How do you calculate the axis-aligned bounding box of an ellipse?

If the major axis of the ellipse is vertical or horizontal, it's easy to calculate the bounding box, but what ... the bounding box won't work. See Question&Answers more detail:os...

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

0 votes

439 views

1 answer

python - pandas distinction between str and object types

Numpy seems to make a distinction between str and object types. For instance I can do :: >>> import ... any explanation for this behavior? See Question&Answers more detail:os...

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

0 votes

1.3k views

1 answer

python - How to find the last row in a column using openpyxl normal workbook?

I'm using openpyxl to put data validation to all rows that have "Default" in them. But to do that, I ... iterable mode that is not possible. See Question&Answers more detail:os...

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

0 votes

749 views

1 answer

oop - Java Enums: Two enum types, each containing references to each other?

Is there a way to get around the class-loading issues caused by having two enums that reference each other? I ... -versa.) Thanks in advance! See Question&Answers more detail:os...

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

0 votes

1.1k views

1 answer

dart - Flutter Load Image from Firebase Storage

I see there are a lot of examples on how to upload an image using flutter to firebase storage but nothing on ... of the image stored in Storage? See Question&Answers more detail:os...

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

0 votes

418 views

1 answer

java - Why can't my subclass access a protected variable of its superclass, when it's in a different package?

I have an abstract class, relation in package database.relation and a subclass of it, Join, in package ... Can anyone explain this issue? See Question&Answers more detail:os...

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

0 votes

446 views

1 answer

Kotlin Android View Binding: findViewById vs Butterknife vs Kotlin Android Extension

I'm trying to figure out the best way to do Android View Binding in Kotlin. It seems like there are a few of options ... id/custom2" ... /> </> See Question&Answers more detail:os...

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

0 votes

482 views

1 answer

r - How can I read the header but also skip lines - read.table()?

Data.txt: Index;Time; 1;2345; 2;1423; 3;5123; The code: dat <- read.table('data.txt', skip = 1, nrows = 2, ... 2 1423 2 3 5123 How do I do that? See Question&Answers more detail:os...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags