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core - Is Math.max(a,b) or (a>b)?a:b faster in Java?

Which one is faster in Java and why? Math.max(a,b) (a>b)?a:b (This was asked in an interview.) See Question&Answers more detail:os...

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

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java - Setting Default value to a variable when deserializing using gson

I am trying to convert JSON to Java object. When a certain value of a pair is null, it should be ... with Gson while deserializing the objects? See Question&Answers more detail:os...

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

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javascript - Cannot connect to MongoDB because of wrong URI

I was trying to run mongoDB on node server Full Code here from MongoDB: My mongo version: 4.4.3 Node ... Desktop/FruitsProject/app.js:21:1) See Question&Answers more detail:os...

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

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Difference between type[] and [type] in typescript

Lets say we have two interfaces: interface WithStringArray1 { property: [string] } interface WithStringArray2 { property: ... ] and string[]? See Question&Answers more detail:os...

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

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OCaml Unbound Graphics Module

Running open Graphics;; in OCaml returns an error, saying it is an unbound module. Running it in terminal ( ... install the module? On Fedora. See Question&Answers more detail:os...

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

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How to exclude special characters from android keypad for EditText

Hi I want to show only numbers and characters on the keypad for EditText in android, I did try to add ... better suggestion. thanks in advance. See Question&Answers more detail:os...

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

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c# - Why does System.Threading.Timer stop on its own?

I'm doing a small test project before I use System.Threading.Timer in a Windows Service project. It's working ... bit. Why would this be? See Question&Answers more detail:os...

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

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c++ - Why must initializer list order match member declaration order?

Why does gcc throw a hissy fit if the initializer list order doesn't match variable order in the class? class ... where it may backfire maybe?) See Question&Answers more detail:os...

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

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Round each number in a Python pandas data frame by 2 decimals

This works p_table.apply(pd.Series.round) however it has no decimal places Documentation says import pandas as pd ... round(p_table, decimals=2) See Question&Answers more detail:os...

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

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python - Get the object with the max attribute's value in a list of objects

This is the code I written so far, and the point with the program is to read 20 people from a file and then ... I'm willing to listen and learn! See Question&Answers more detail:os...

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

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Why does installing Ruby on Rails generate error "size of array 'ruby_check_sizeof_voidp' is negative"?

When installing Ruby on Rails (via gem install rails) you may get the following error message: c:/Ruby193/ ... can I install Rails successfully? See Question&Answers more detail:os...

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

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javascript - Crossbrowser equivalent of explicitOriginalTarget event parameter

Does anyone know of crossbrowser equivalent of explicitOriginalTarget event parameter? This parameter is Mozilla specific and ... }); 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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.net - Configuring log4net with xml file

I tried to configure log4net for logging everything to the console output. I have a config file named Log4Net. ... , can someone explain this? See Question&Answers more detail:os...

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

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html - HTML5 standards of nesting div in li or dl

I know that it is not allowed to nest div in li in HTML5, although you can and it works. Does that mean ... standard about nesting divs in dls? See Question&Answers more detail:os...

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

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c# - Why would a class implement IDisposable explicitly instead of implicitly?

I was using the FtpWebResponse class and didn't see a Dispose method. It turns out that the class implements ... he/she uses a class. See Question&Answers more detail:os...

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

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wpf - Combine expander and grid (resizable expander)

I would like to have something like a resizable Expander. My basic idea was something like this: <Grid ... make the expander "resizable" See Question&Answers more detail:os...

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

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python - Pygame Rotated Shooting

Me and a few friends have been coding an intresting new shooting mechanic. For It to work, we need to shoot ... the angle the player is facing? See Question&Answers more detail:os...

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

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546 views

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php - CodeIgniter: A Class/Library to help get meta tags from a web page?

I am using codeigniter. I guess it doesn't matter which php framework I am using. But before I write my own ... that would be great. Thanks all See Question&Answers more detail:os...

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

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python - stop tkinter window from freezing while program is sleeping

This is quite an essential part of my program and I need to have sorted out as soon as possible so anything ... you for all the suggestions! See Question&Answers more detail:os...

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

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567 views

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soundcloud - Retrieving the "recommended" playlist via API call?

for any given song, e.g. https://soundcloud.com/shesthequeen/i-dont-wanna-know SoundCloud has a "recommended" ... HTML. Thanks in advance, Mary See Question&Answers more detail:os...

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

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sql - Does assigning stored procedure input parameters to local variables help optimize the query?

I have a stored procedure that takes 5 input parameters. The procedure is a bit complicated and takes around 2 minutes ... so, how does it help? See Question&Answers more detail:os...

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

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752 views

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c# - DisplayFormat ApplyFormatInEditMode

I use MVC 3 in C#, I have a class with this Attribute [DisplayFormat(DataFormatString = "{0:dd MMM yyyy}", ... " any idea how to fix it? See Question&Answers more detail:os...

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

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441 views

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php - Undefined index: file

I am getting the undefined index error as I come for the first time in my upload form page or if I move to next ... directory."; } } } ?> See Question&Answers more detail:os...

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

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546 views

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boot2docker - Connect to a Service running inside a docker container from outside

I have a service running in a docker container (local machine). I can see the service URL in the Ambari ... code execute in my local machine. See Question&Answers more detail:os...

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

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636 views

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c# - Load data asynchronously into DataTable in Windows Forms

I'm modifying the data access layer of an old WinForms/ADO app to get Salesforce objects using soql over the ... to go on. Cheers, Jeff See Question&Answers more detail:os...

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

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621 views

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c++ - Delete calling destructor but not deleting object?

So I have been working with c++ and pointers for a year and a half now, and i thought i had them succeed. I ... for it not to give me the error? See Question&Answers more detail:os...

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

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614 views

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java - Images in ScrollView in android

In my app I want to place a .png file and I want it to be viewed as a scrolled image at both landscape and ... , suggest a code or example.... See Question&Answers more detail:os...

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

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494 views

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javascript - Await an iterative function without delimiter in JS

I've got a directory with an unknown amount of subfolders. Each subfolder might have or not further subfolders. I am itterating ... } }) } }) } See Question&Answers more detail:os...

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

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