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spark submit add multiple jars in classpath

I am trying to run a spark program where i have multiple jar files, if I had only one jar I am not ... lib/spark/assembly/lib/hive-serde.jar. 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 - Bootstrap 4 Dropdown Menu not working?

I copied the official Bootstrap 4 example for dropdown menus but it is not working, that is nothing is dropped down. <li ... </a> </div> </li> 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 - Access resource files in Android

I have a resource file in my /res/raw/ folder (/res/raw/textfile.txt) which I am trying to read from my ... e) { e.printStackTrace(); } } See Question&Answers more detail:os...

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

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ecmascript 5 - Extending Object.prototype JavaScript

I am not asking if this is okay: Object.prototype.method = function(){}; This is deemed evil by pretty much ... the feature in the first place? See Question&Answers more detail:os...

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

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Is it possible to require npm modules in a chrome extension ?

I tried so but I have a 'require is not defined' error. I can't find information about that, can someone enlighten the noob in me please? See Question&Answers more detail:os...

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

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shell - printf in bash: "09" and "08" are invalid numbers, "07" and "06" are fine

This is my bash script - I just want to left-pad a set of numbers with zeroes: printf "%04d" "09" printf " ... in my sequence seems to be OK. 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 - window.scroll({ behavior: 'smooth' }) not working in Safari

As the title says, it works perfectly fine on Chrome. But in Safari, it just sets the page to the desired top ... a way to make it work nicely? 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 - Can a Collector's combiner function ever be used on sequential streams?

Sample program: public final class CollectorTest { private CollectorTest() { } private static <T> BinaryOperator< ... to be sequential? 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's Collections.shuffle is doing what?

I recently found myself needing to be sure my list wasn't in order. Hibernate was nice enough to return it ... concepts are being used here? See Question&Answers more detail:os...

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

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chart.js2 - Chart.js - Increase spacing between legend and chart

I have a bar chart where I have drawn 3 vertical lines, each with it's own label at the top. I would like ... but below the legend. Any ideas? See Question&Answers more detail:os...

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

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jsp - How to set the JSTL variable value in javascript?

How to set the JSTL variable value in java script? <script> function function1() { var val1 = document.getElementById ... 'val1' (Java script)? See Question&Answers more detail:os...

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

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datetime - How do I find the hour difference between two dates in PHP?

I have two dates, formated like "Y-m-d H:i:s". I need to compare these two dates and figure out the hour difference. See Question&Answers more detail:os...

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

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security - What good ways are there to prevent cheating in JavaScript multiplayer games?

Imagine a space shooter with a scrolling level. What methods are there for preventing a malicious player from ... server-side detection, etc. 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 is it illegal to take the address of an rvalue temporary?

According to " How to get around the warning "rvalue used as lvalue"? ", Visual Studio will merely warn on ... disallowed in the first place? See Question&Answers more detail:os...

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

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iphone - Adjusting the volume of a playing AVPlayer

The only method for getting a volume change on currently playing AVPlayer items is to follow this process; Offload ... tracks into the player. 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 - Are a, &a, *a, a[0], &a[0] and &a[0][0] identical pointers?

I have the following C program: #include <stdio.h> int main(){ int a[2][2] = {1, 2, 3, 4}; ... was stored? Why are these values equal then? 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 - Upgrading to angular-6.x gives "Uncaught ReferenceError: global is not defined"

I upgraded my project from angular-5.x to angular-6.x and it started giving the following error and even creation ... ) And continues on and 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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ios - ?? operator in Swift

In the "The Swift Programming Language" book (page 599), I came across this code snippet that kind of confused ... this syntax in our own code? 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 - Alternative to deprecated getCellType

I'm reading an excel-file (file extension xlsx) using org.apache.poi 3.15. This is my code: try ( ... Can anyone tell me the alternative? See Question&Answers more detail:os...

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

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asp.net - Allow anonymous authentication for a single folder in web.config?

So here is the scenario, I have an Asp.Net application that is using a custom authentication & membership ... know otherwise? Many 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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479 views

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c++ - call to pure virtual function from base class constructor

I have a base class MyBase that contains a pure virtual function: void PrintStartMessage() = 0 I want each derived ... How I must do 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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getting file size in javascript

given a path of a file like: C:file.jpg how can i get the size of the file 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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sorting - How to qsort an array of pointers to char in C?

Suppose I have an array of pointers to char in C: char *data[5] = { "boda", "cydo", "washington", ... original function work? Thanks, Boda Cydo. 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 7 Sprite Kit freeing up memory

I am building an iOS game aimed for the new iOS 7 and Sprite Kit, using emitter nodes and physics to ... appreciate any help on this matter. 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# - Thread Control.Invoke

I have a function public void ShowAllFly() { cbFly.Items.Clear(); cbFly.Items.Add("U?u? Se?iniz..."); ... separate thread. What is the problem? See Question&Answers more detail:os...

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

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323 views

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java - Spring Security 5 : There is no PasswordEncoder mapped for the id "null"

I am migrating from Spring Boot 1.4.9 to Spring Boot 2.0 and also to Spring Security 5 and I am trying to do ... fix this but not able to fix. See Question&Answers more detail:os...

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

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366 views

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Android Studio - How Can I Make an AVD With ARM Instead of HAXM?

I'm new to Android Studio. My computer doesn't support HAXM so it won't let me install that to use for ... devices with ARM instead of HAXM? See Question&Answers more detail:os...

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

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200 views

1 answer

Need to convert a string to int in a django template

I am trying to pass in url parameters to a django template like this... response = render_to_string('persistConTemplate ... I am going 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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