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visual studio code - Define multiple tasks in VSCode

I have seen that it is possible to define a task in the VSCode. But I am not sure how to define multiple tasks in the tasks.json file. See Question&Answers more detail:os...

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

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objective c - Can't endBackgroundTask: no background task exists with identifier, or it may have already been ended

I am using background task to run the timer in the background to update the user's location. It's declared as: ... And how can I solve 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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ios - Present and dismiss modal view controller

Can anyone give me the example code that I can use to first present a modal view controller, then dismiss it? This ... , and all logs get "null" See Question&Answers more detail:os...

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

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exit.c:(.text+0x18): undefined reference to `_exit' when using arm-none-eabi-gcc

I'm new to the field of microcontrollers. I need to port an IDE which is compiling programs for AVR ... in the command line specify. 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 - Is there a way to instantiate a class without calling __init__?

Is there a way to circumvent the constructor __init__ of a class in python? Example: class A(object): def __init__( ... or even save it to disc? See Question&Answers more detail:os...

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

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node.js - Connecting Heroku App to Atlas MongoDB Cloud service

To antecipate the question: do I need to get SSL support on Heroku in order to establish a connection ... to client/Heroku secure connection? 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 get WKHTMLTOPDF to execute via PHP?

This has been asked to some degree before but there are no solutions or accepted answers and I'd like to try and be ... but I'll do my best. 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# - How is memory allocated for a static variable?

In the below program: class Main { static string staticVariable = "Static Variable"; string instanceVariable = ... memory locations connected? 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 - Android get date before 7 days (one week)

How to get date before one week from now in android in this format: SimpleDateFormat dateFormat = new SimpleDateFormat(" ... -12 HH:mm:ss 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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css - How to vertically align <li> elements in <ul>?

I have a horizontal <ul> and I need to center each <li> in it vertically. My markup is below. Each <li> has a ... ul> </div> </body> </html> See Question&Answers more detail:os...

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

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Get Cursor Position in Android in Edit Text?

I am using a custom EditText View. I have overridden the OnKeyUp event and am able to capture the Enter Key ... you for your time and 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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java - Programmatically configure LogBack appender

I have a logback appender defined in the logback.xml, it's a DB appender, but I'm curious if there is ... things, but never the actual answer. 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 does the JVM ensure that System.identityHashCode() will never change?

Typically the default implementation of Object.hashCode() is some function of the allocated address of the object in ... address in memory)? 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 style the menu items on an Android action bar

There's been many questions on styling on action bars, but the ones I've found either are relating to styling the ... . What am I doing wrong ? See Question&Answers more detail:os...

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

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binary - How to detect type of compression used on the file? (if no file extension is specified)

How can one detect the type of compression used on the file? (assuming that .zip, .gz, .xz or any other ... in the header of that file? 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 - XAML Combine styles going beyond BasedOn?

Is there any way to combine mutliple styles in XAML to make a new style that has all of the desired settings? ... has heard of such a thing?? 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 share service between two modules - @NgModule in angular not between to components?

In my application, I have two different bootstrap module (@NgModule) running independently in one application. There ... other angular module? 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# - WCF change endpoint address at runtime

I have my first WCF example working. I have the host on a website which have many bindings. Because of this ... </client> </system.serviceModel> See Question&Answers more detail:os...

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

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Setting PHP tmp dir - PHP upload not working

I'm working on file upload via a webpage with a progress bar using Valums file uploader. Almost everything ... limited by file permissions. 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 - Scaling a chat app - short polling vs. long polling (AJAX, PHP)

I run a website where users can chat with each other through the browser (think Facebook chat). What is the best ... I scale this, please 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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193 views

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My HTML5 Application Cache Manifest is caching everything

UPDATE: ** I posted this question when this feature was really new, I realize now that this feature should not be ... ? Thank you for your time! See Question&Answers more detail:os...

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

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201 views

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python - Attribute Error: 'list' object has no attribute 'split'

I am trying read a file and split a cell in each line by a comma and then display only the first and the ... attribute 'split' Please help me! See Question&Answers more detail:os...

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

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268 views

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c++ - Printing prime numbers from 1 through 100

This c++ code prints out the following prime numbers: 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 ... 0, the number is no a prime 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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631 views

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c# - How to convert linq results to HashSet or HashedSet

I have a property on a class that is an ISet. I'm trying to get the results of a linq query into that ... x in bar.Items select x).SOMETHING; See Question&Answers more detail:os...

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

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326 views

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C++ inheritance - inaccessible base?

I seem to be unable to use a base class as a function parameter, have I messed up my inheritance? I have ... make that call in my main function See Question&Answers more detail:os...

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

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279 views

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javascript - open-ended function arguments with TypeScript

IMO, one of the main concerns of the TypeScript language is to support the existing vanilla JavaScript code. This ... as params feature in C#? See Question&Answers more detail:os...

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

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225 views

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php - Auto increment in phpmyadmin

I have an existing database using PHP, MySQL and phpMyAdmin. When users become a member on my website, I ... number as a membership 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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355 views

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python - Shift column in pandas dataframe up by one?

I've got a pandas dataframe. I want to 'lag' one of my columns. Meaning, for example, shifting the entire column ' ... 3 7 7 Anyway 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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