topicAs the saying goes,"Small gambling is good."This is a very simple little game: first, the computer gives the first integer; then the player bets whether the second integer will be larger or smaller than the first; after the player bets t chips, the computer gives second number. If the player gu...

I am trying to build the DataApp sample application from the JavaFX 2.1.0 sample application package available for download from the official JafaFX download page: http://www.oracle.com/technetwork/java/javafx/downloads/index.htmlI am using Netbeans 7.1.2, JDK6 and JavaFX 2.1.0 for JDK6.In NetBeans,...

I've read ValueError: Missing staticfiles manifest entry for 'favicon.ico' before marking it as a duplicate , but it doesn't solve my problem.I have the following models:from django.contrib.staticfiles.templatetags.staticfiles import staticclass Profile(models.Model): user = models.ForeignKey(Social...

How to send html mail with images in c#? Can I set up a direct link to the image on my server (something like <img src="http://mysite.ru/img.png"/>) or do I need to attach the image and then use the link to my attachment? Are there any examples or ready to use libraries? What about those css f...

Topic descriptionPour question"fill A"means to fill cup A,"empty A"means to empty cup A,"pour AB"means to pour water from A into cup B and fill cup B or empty cup A.InputThe input contains multiple sets of data. Each set of data input A, B, C data range 0 < A <= B , C <= B <= 1000 , A an...

I am on shared hosting and add domain.I need to create subdomains for each user of my website, if the username is jeff then he should have a url jeff.mydomain.com.How can I create it programmatically using PHP?Solution:There are two parts to this. First, you need to setup the wildcard dns entry.Once...

dynamic programmingIt is divided into four steps, subproblem structure, state, state transition equation, and boundary closing. The emphasis is on the definition of subproblems and state transitions. The problems of the moving rule are difficult to have a fixed formula. It is good to accumulate some...

We have two threads J1 and J2. How can we ensure that thread J2 will only run after J1 has finished executing without using join() method.Solution:Simple, use CountDownLatch.In main() initialize CountDownLatch to 1. Pass it to J1 and J2. J2 just uses await() to wait for Latch to become 0. J2 uses co...

I want to add Copy-Paste Link functionality to an application. The application replaces a complex Excel workbook. I want to be able to copy tables, text and charts from the application and use Paste Link in MS Word.For the uninitiated: With Excel, when you use paste to link tables, text, charts, etc...

I have a project with 3 layers. UI, business layer and data layer.UI calls BL. BL calls DL. DL performs database operations. Simple as that.I wanted to unit test my BL method, so I changed it a bit, now I accept DL as a parameter in the BL constructor, so I can create a Mock object of the DL.This ma...

Some of my features require UniversalXPConnect permissions to be enabled.netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');So, my function looks like this:function oneOfMyFunctions() {netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect'); // ...}In fact, I a...

I use Windows 10 home, and I usually use Visual Studio Code (VSCODE) to edit Linux Bash scripts as well as PHP and JavaScript.I haven't developed anything specifically for Windows, and I don't mind that the default EOL for all files I edit is Unix (nix).In VSCODE, how to ensure that all EOL (from an...

I want to use java stream to iterate the list and find the lowest price of BigDecimal. The following instructions, but it doesn't work (because min() can't accept BigDecimal.class Product {public BigDecimal price;}Listproducts;products.stream().min((Product) p -> p.price);Solution:Since BigDecima...

When we learn python, we hope to get started quickly, and then use it as a tool to apply it to fields such as data analysis and machine learning. It is powerful enough to handle everything from the underlying system resources to applications (such as deep learning). It is concise, elegant and fully ...

I have stored about 50,000 entities in Appengine. I can use the following query to query a single record through the GQL management interface:SELECT * FROM Pet where __key__ = KEY( 'Pet','Fido')But I am having trouble figuring out how to do batch processing via JDO. Now I have this:PersistenceManage...

In a previous question, I learned about an error in my JavaScript about using appendChild on the BODY element before triggering the DOMReady event.I was able to solve this problem by wrapping my code in the window.onload event. Reading this, I learned that window.onload only supports one listener, a...

I inherited a website based on Magento Enterprise 1.9, which has a lot of cron jobs that run regularly.These cron jobs are configured by third-party modules and are not part of Magento's core.A set of jobs handle the export and import of data files from Magento to the warehouse management system.Som...

I have two hibernate classes: a base class and an extended class that contains other fields. (These fields are mapped by other tables.)For example, I have:@[email protected](name="Book")public class A {private String ID; private String Name; // ...}@Enti[email protected](name="Book")public class B extends A {publ...

I am using the Zend_Mail_Message class to display emails inside my PHP application and I am able to output the subject, content, date and even the name of the sender (using $message->from) but I can't figure out how to get the person who sent the message The email address. The documentation did n...

Python number type int float and common operation methods"Division"print(10/4)print(type(10/4))"rounding"print(10 // 4)print(type(10 // 4))"The result is a floating point"print(10) // 4.0)import math"round left"a = math.floor(-3.4)print(a)print(type(a))"truncated"a = math.trunc(-3.4)print(a)print( t...

I'm trying to use a REST API that only supports passing JSON data via form-data or www-form-urlencoded properties. So my question is, how can I attach multiple form data items using HttpUrlConnection? When I use the API through the browser, the request in Chrome looks like this:Form Data adds:update...

Python string An ordered collection of characters used to store and represent text-based information, requiring single or double quotes (that is, the quotes on both sides can be paired).There are three types of strings in Python3: 1.str, for Unicode text (ASCII or other); 2.bytes, for binary data, c...

I'm trying to learn and use SP (Stored Procedure) and UDF (User Defined Function) with MySQL and PHP. What is the difference between SP and UDF and what is the purpose?How does simple code look when PHP and SQL with SP do update, write or get operations on a table in a MySQL database? Need to unders...

When I do this in javascript:element.style.width="100px";element.style.height="100px";Can I say there are 2 reflows in the file?If I do:element.setAttribute("style","width: 100px; height: 100px;") only 1 reflow?(I know the latter will simply override all other previously set styles)Question: Is ther...

I want to implement oracle row level security class functionality in Java using JOOQ libraryHere is a sample JOOQ query code:Resultresult = dslContext.select().from(Employee.EMPLOYEE).fetch();The above code will generate the following SQL:select [dbo].[Employee].Id,... from [dbo].[Employee]I would l...

To install more third-party libraries, write a program to complete the automatic installation.The name of the third-party library in the program can be changed.#BatchInstall.pyimport oslibs = {"numpy","mathplotlib","pillow","sklearn","requests", \"jieba","beautifulsoup4","networkx","werobot","pypdf2...

I have the following route code from Google Maps apiv3. This part is working fine. If I have waypoints in the trip, at the top of each trip it shows the time and distance of the trip. I am using the variable totadistance to increase Distance to all legs, but it does nothing. When running the app, I ...

I'm designing an application. The core should be written in C#, but I also want to use some CPython modules that are already done (unmanaged).So I'm interested in interoperability (calling CPython methods from C#, calling C# from CPython). If that matters, because C# runs inside the .NET runtime (ma...

Well, I'm creating an app where I'm using a for loop to basically read every pixel of an image looking for a pattern in the color of the pixel (simple stuff). Anyway, for some reason my app Just locked and never returned to normal. I went through the code again and again and didn't see any actual pr...

I use Json String like this,json= [{"id":"1","label":"2","code":"3"},{"id":"4","label":"5","code":"6"}]I try to convert it to Java Object this way, using Gson,and a Pojo called Item.java which contains id, label and code and getter setter fields.String id; String label; String code; //getter setters...

I have the following route code from Google Maps apiv3. This part is working fine. If I have waypoints in the trip, at the top of each trip it shows the time and distance of the trip. I am using the variable totadistance to increase Distance to all legs, but it does nothing. When running the app, I ...

I'm designing an application. The core should be written in C#, but I also want to use some CPython modules that are already done (unmanaged).So I'm interested in interoperability (calling CPython methods from C#, calling C# from CPython). If that matters, because C# runs inside the .NET runtime (ma...

I'm trying to use a REST API that only supports passing JSON data via form-data or www-form-urlencoded properties. So my question is, how can I attach multiple form data items using HttpUrlConnection? When I use the API through the browser, the request in Chrome looks like this:Form Data adds:update...

Python string An ordered collection of characters used to store and represent text-based information, requiring single or double quotes (that is, the quotes on both sides can be paired).There are three types of strings in Python3: 1.str, for Unicode text (ASCII or other); 2.bytes, for binary data, c...

I am new to Java Strings. Actually I have the code for reversed words:import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;public class Test2 { public static void main(String[] args) throws IOException { System.out.println("enter a sentence"); BufferedReader br =...

The construction methods are described below: 1. Directly use the API of Java EE to build. A total of 3 steps: 1. Add dependency javaxjavaee-api7.0provided2. Use annotation @ServerEndpoint import javax.websocket.*; import javax.websocket.server.PathParam; import javax.websocket.server.ServerEndpoint...

How can I set up in Smarty that every 4 iterations in a loop, I'll get a new row in the table? I am trying something like this:{foreach $arr as $v} {counter start=0} {if $counter/4 == 0}{else}{/if}{$v}{$v}{/foreach}But I understand this is stupid and I'm stuck, is there a normal way to do this?Solut...

I use Json String like this,json= [{"id":"1","label":"2","code":"3"},{"id":"4","label":"5","code":"6"}]I try to convert it to Java Object this way, using Gson,and a Pojo called Item.java which contains id, label and code and getter setter fields.String id; String label; String code; //getter setters...

Well, I'm creating an app where I'm using a for loop to basically read every pixel of an image looking for a pattern in the color of the pixel (simple stuff). Anyway, for some reason my app Just locked and never returned to normal. I went through the code again and again and didn't see any actual pr...

I'm trying to learn and use SP (Stored Procedure) and UDF (User Defined Function) with MySQL and PHP. What is the difference between SP and UDF and what is the purpose?How does simple code look when PHP and SQL with SP do update, write or get operations on a table in a MySQL database? Need to unders...