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TypeScript TS7015 error when accessing an enum using a string type parameter

I am new to TypeScript and I don't understand what I need to do to fix the line that generates the TS7015 error ... is not of type 'number'. See Question&Answers more detail:os...

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

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loops - Skip over a value in the range function in python

What is the pythonic way of looping through a range of numbers and skipping over one value? For example, the range ... ) not including x#) ... See Question&Answers more detail:os...

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

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firebase - Are Callable Cloud Functions better than HTTP functions?

With the latest Firebase Update callable functions were introduced. My question is whether this new way is faster than ... to switch it up. 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 - Flask jsonify a list of objects

I have a list of objects that I need to jsonify. I've looked at the flask jsonify docs, but I'm just not ... ) + " is not JSON serializable") 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 - Getting the length of two-dimensional array

How do I get the second dimension of an array if I don't know it? array.length gives only the first dimension. ... of nir, which is 3. 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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uinavigationcontroller - How to hide/show tab bar of a view with a navigation bar in iOS?

I have views with a navigation bar and a tab bar. What I would like to happen is to ... viewDidLoad, viewWillAppear, viewDidAppear functions. See Question&Answers more detail:os...

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

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r - Inverse of ggplotGrob?

I have a function which manipulates a ggplot object, by converting it to a grob and then modifying the layers. I ... , SIMPLIFY = FALSE) G } See Question&Answers more detail:os...

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

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windows 10 - docker on wsl2 very slow

After having read about the performance improvements when running Docker on wsl2, I have been waiting for the official ... .03.8, build afacb8b See Question&Answers more detail:os...

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

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backwards compatibility - Can program developed with Java 8 be run on Java 7?

I am a little confused. Oracle says Java 8 is highly compatible with Java 7 (backward). But, what ... example, Tomcat 8 or WildFly? 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 - UnicodeDecodeError: 'utf8' codec can't decode bytes in position 3-6: invalid data

how does the unicode thing works on python2? i just dont get it. here i download data from a server and parse it ... be decoded to ? (abh?ren) 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 - How Threadpool re-use Threads and how it works

My multithreading concepts are weak and trying to learn. In Java what I know is, we can't call a thread more ... say like this? Am I correct? 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 change the Android app package name when assembling with Gradle?

Is it possible to change the package name of an Android application using Gradle? I need to compile two copies ... to the market twice). 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 - Meteor JS: use external script

There are some services (like FB like or AddThis) that provide a snippet of code. It looks like <div class=" ... is so much an overkill... See Question&Answers more detail:os...

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

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Any way to reserve but not commit memory in linux?

Windows has VirtualAlloc, which allows you to reserve a contiguous region of address space, but not actually use any ... for very large arrays. 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 - Is it possible to clear the view cache in Ionic?

I'm currently working on a Angular/Ionic/Cordova project and we've recently upgraded to the latest Ionic beta. ... simply clear the view cache? 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 determine if you have an internet connection in R

Sometimes I need to download data from the internet. On occasions this has failed either because the website is ... connected to the internet? See Question&Answers more detail:os...

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

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svg - How can I cut one shape inside another?

Is there a way to cut one shape out of another in SVG? For example, I have a rect and an ellipse and I want ... ideas for how I might do 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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How do you map-replace characters in Javascript similar to the 'tr' function in Perl?

I've been trying to figure out how to map a set of characters in a string to another set similar to ... this be done efficiently in JavaScript? See Question&Answers more detail:os...

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

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ios - UICollectionView header dynamic height using Auto Layout

I have a UICollectionView with a header of type UICollectionReusableView. In it, I have a label whose length varies by ... when I run the app: See Question&Answers more detail:os...

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

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Best practice for ASP.NET MVC resource files

What are the best usage of the following resource files. Properties → Resources (Phil used this resource for ... asp.net mvc application. See Question&Answers more detail:os...

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

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159 views

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Switch over type in java

Before I start, I know there are a bunch of answers to this question that suggest alternate approaches. I'm ... so getSimpleName() is out. See Question&Answers more detail:os...

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

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688 views

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xcode - Launch Image not showing up in iOS application (using Images.xcassets)

I'm having some trouble getting my launch image to show up in my application. I have created all the static image ... Any ideas what's going on? See Question&Answers more detail:os...

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

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maven - Extract version ID from POM in a Jenkins pipeline

I've created a pipeline and using the embedded groovy pipeline script definition and can't seem to get the ... def pomv = '$POM_VERSION" See Question&Answers more detail:os...

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

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220 views

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SQL Server SELECT where any column contains 'x'

Using SQL Server 2008, say I have a table called testing with 80 columns and I want to find a value called ... 80 columns? 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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How do I include a locally defined function when using PowerShell's Invoke-Command for remoting?

I feel like I'm missing something that should be obvious, but I just can't figure out how to do this. I have a ... there a good way to do 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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441 views

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php - non-breaking utf-8 0xc2a0 space and preg_replace strange behaviour

In my string I have utf-8 non-breaking space (0xc2a0) and I want to replace it with something else. When I use ... correct, also I used u flag. See Question&Answers more detail:os...

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

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601 views

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c++ - Const and Non-Const Operator Overloading

I have a topic I'm confused on that I need some elaborating on. It's operator overloading with a const version and ... [1]. Thanks for any 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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class - Getting container/parent object from within python

In Python, is it possible to get the object, say Foo, that contains another object, Bar, from within Bar itself ... () Is this possible? 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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