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oop - Java: Overriding static variable of parent class?

I have the following class which I'm using as the base of all the models in my project: public abstract class ... of the User class as well? See Question&Answers more detail:os...

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

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smtp - Getting Error Transport error code was 0x80040217 while Sending Email in Asp.Net

I am trying to send Email But I am getting this Error. The message could not be sent to the SMTP server. ... any idea about it 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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c# - How to add a form load event (currently not working)

I have a Windows Forms form where I am trying to show a user control when the form loads. Unfortunately, ... system.windows.forms.form.load.aspx 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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python - Split string with multiple-character delimiter

say I have the following string: "Hello there. My name is Fred. I am 25.5 years old." I want to split ... a simple way to solve this 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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arrays - Abort trap 6 error in C

I have this code: void drawInitialNim(int num1, int num2, int num3) { int board[2][50]; //make an array with ... error, and they don't 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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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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html - Will targeting IE8 with conditional comments work?

When IE8 is released, will the following code work to add a conditional stylesheet? <!--[if IE 8]> < ... can share their experience. 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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D3.js loading local data file from file:///

I know that D3.js supports loading data files with XHR and JSONP requests. However in my case, I am going to run . ... on http:// but 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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regex - Is There a Way to Match Any Unicode Alphabetic Character?

I have some documents that went through OCR conversion from PDF into HTML. Because of that, they wound up ... that changes anything. 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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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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dart - Default stringify for objects, equivalent to Java's toString?

I have just take a look at the 3o tutorial from dart, creating the rating component. I was wondering if ... method. Is this possible? 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 are negative numbers represented in 32-bit signed integer?

How are negative number represented in 32-bit signed integer? Is it two's or one's complement? or the last bit on ... a flag? For example: (-10) See Question&Answers more detail:os...

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

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In the System.java source, the standard input, output and error streams are declared final and initialized null?

public final static InputStream in = null; public final static PrintStream out = null; public final static PrintStream err ... println("foo"); } See Question&Answers more detail:os...

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

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Android "Hello, MapView" Tutorial - Map Tiles Do Not Load

I am new to Android software development and new to this site. I am hoping someone might have some experience ... that would help. Thank you. 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 - Show hex value for all bytes, even when ASCII characters are present

In Python (3) at least, if a binary value has an ASCII representation, it is shown instead of the ... be printed for instance. 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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c++ - When can we omit the return type in a C++11 lambda?

As far as I know, in standard C++11 (not C++14), when omitting the return type of a lambda, its ... here? Am I interpreting the standard 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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android - Is it possible to make a horizontal NumberPicker?

The widget NumberPicker from Android is vertical, with the increase and decrease buttons above and below the number ... right of the 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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c - strdup() function

I recently became aware that the strdup() function I've enjoyed using so much on OS X is not part of ANSI C, ... , which is just a bit tedious? See Question&Answers more detail:os...

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

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Convert millisecond String to Date in Java

i have a String x = "1086073200000" . This is basically millisecond which I need to convert to a Date. ... preserve the entire String. 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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764 views

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javascript - Module build failed (from ./node_modules/babel-loader/lib/index.js): Error: Cannot find module 'babel-preset-react'

I'm stuck with the following error when trying to build a react app with Webpack4 and Babel7. ERROR in ./src/ ... ", "@babel/preset-react"] } 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++ - Can we omit the double-braces for std::array in C++14?

I'm reading through the draft standard for C++14 right now, and perhaps my legalese is a bit rusty, but I can't find any ... }}, {{ 3, 4 }} }; 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# - Elmah: How to get JSON HTTP request body from error report

I'm using Elmah to log exceptions. Elmah is great at logging request bodies if the request is a Form-based ... /json {"city":"Vancouver"} 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 char array to int

Is it possible to convert a char[] array containing numbers into an int? See Question&Answers more detail:os...

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

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duplicate entry: com/android/volley/AuthFailureError.class while compiling project in android studio

I am using external libraries payu money sdk and linkedin-sdk, both uses volley libraries, which while compiling ... .volley' } 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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objective c - Can we invite people to use our app or send friend request from the app via Facebook in iOS 5?

Consider X and Y are friends in Facebook and they both have installed an app in their respective phones. But ... was introduced only in iOS6? 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 - How to truncate a file in c#?

I am writing actions done by the program in C# into a file by using Trace.Writeln() function. But the file ... be added to the above block See Question&Answers more detail:os...

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

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640 views

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performance - Java Collections and Garbage Collector

A little question regarding performance in a Java web app. Let's assume I have a List<Rubrique> listRubriques ... might create a memory leak? See Question&Answers more detail:os...

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

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