Month: September 2022

[Solved] Center map on user’s location (Google Maps API v3)

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Getting the user location is a browser feature that most modern browsers support. However, you still need to test for the ability to get the location in your code. if (navigator.geolocation) { // test for presence of location feature navigator.geolocation.getCurrentPosition(function(position) { initialLocation = new google.maps.LatLng(position.coords.latitude,position.coords.longitude); map.setCenter(initialLocation); }, function() { console.log(‘user denied request for position’); }); … Read more

[Solved] What does var[x] do?

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This is a declaration of a Variable Length Array (VLA). The value of expression x (most likely, a variable) is treated as the number of array elements. It must have a positive value at the time the expression is evaluated, otherwise the declaration of the VLA produces undefined behavior. 8 solved What does var[x] do?

[Solved] How can I use Program a game after swing.Timer stopped?

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Your problem is that you don’t use correct architecture pattern. You should separate your business logic from your presentation. Also you should store variables (like time_left) in model, not in the controller (i.e. ActionListener). Please read about: Model View Controller pattern. It’s a basic pattern and it’ll solve most of yours problems. Basic Example Editor.java … Read more

[Solved] How to get the value from and save to Database in php

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You have at least two options here: hidden fields everywhere if data (best approach): <td> <input type=”checkbox” name=”checkBox[]” id=”ic” value=”{{ user.id }}” /> <input type=”hidden” value=”{{user.lastname}}” name=”v1[{{ user.id }}]”></td> <td data-title=”id”>{{user.id}}</td> <td data-title=”firstName”>{{user.firstname}}</td> <td data-title=”lastName” contenteditable=”true”>{{user.lastname}}</td> and on serverside you do: …. your code …. foreach ($user as $id) { $lastname = $v1[$id]; … save … Read more

[Solved] How to fix quick.db is not installing?

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GLIBC_2.29 not found error is causing outdated libc6 package. You would need to run sudo apt-get update sudo apt-get install libc6 more about that on askubuntu.com But you would need sudo privileges. You do not have sudo privileges on repl.it. You should not use quick.db anyway on repl.it, because on repl.it all users information will … Read more

[Solved] Fetch all children from database

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This answer is similar to a prior answer here What you want to do is to treat each child in Customers as a DataSnapshot, then the children can be accessed. Given a Firebase structure: usersDatabase uid_0 Customers Ben Smith data: “Some data” Tom Cruise data: “Some data” uid_1 Customers Leroy Jenkins data: “Some data” uid_2 … Read more

[Solved] How to extract a multiline text segment between two delimiters under a certain heading from a text file using C++ [closed]

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After taking a closer look at reading text files in C++, I settled on this passable but most likely far from ideal solution: #include <iostream> #include <fstream> #include <string> using namespace std; int main() { string TextFile; cout << “Enter the wordlist to search:” << “\n”; getline(cin, TextFile); string Search; int Offset = 0; int … Read more

[Solved] Is there a way to realtime detect if there’s new record in database?

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Don’t worry about the performance of polling. With a suitable INDEX, MySQL can handle 100 polls/second — regardless of dataset size. Let’s see SHOW CREATE TABLE and the tentative SELECT to perform the “poll”; I may have further tips. Also, let’s see the admin’s query that needs to ‘trigger’ the workers into action. Surely the … Read more

[Solved] Replacing List items with Dictionary Items?

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list_t = [‘a’,’b’,’a’,’c’,’d’,’b’] dictionary = {‘a’:1,’b’:2,’c’:3,’d’:4} lis=[] for i in list_t: for key in dictionary: if (i==key): lis.append(dictionary[i]) print lis 1 solved Replacing List items with Dictionary Items?

[Solved] regex to find variables surrounded by % in a string

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I believe you are looking for a regex pattern (?<!%%)(?<=%)\w+(?=%)(?!%%) That would find variables that are surrounded by a single % character on each side. Test the regex here. Java code: final Pattern pattern = Pattern.compile(“(?<!%%)(?<=%)\\w+(?=%)(?!%%)”); final Matcher matcher = pattern.matcher(input); while (matcher.find()) { System.out.println(matcher.group(0)); } Test the Java code here. UPDATE: If you want … Read more

[Solved] I want to flip my screen [closed]

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You can use UIViewAnimation that flip your screen. [UIView transitionWithView:self.navigationController.view duration:0.5 options:UIViewAnimationOptionTransitionFlipFromLeft animations:^{ [self.navigationController popViewControllerAnimated:NO]; //for go back to previous view controller //otherwise set your view controller if you want go to next screen } completion:NULL]; For flip from right set this option UIViewAnimationOptionTransitionFlipFromRight solved I want to flip my screen [closed]

[Solved] Why the mapping.xml and configuration.xml has to be outside the pojo package?

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I have just started to learn the Hibernate and found this in various online sites : mapping.xml and config.xml has to be defined outside the pojo package? You can put xml configurations whenever you want. For an example SessionFactory factory = new Configuration().configure().buildsessionFactory(); Configure a session factory from the default hibernate.cfg.xml. It is the same … Read more

[Solved] My AWS ec2 instance is running on ec2-xx-1xx-xxx-24.compute-1.amazonaws.com:8000. how do i make it run on ec2-xx-1xx-xxx-24.compute-1.amazonaws.com

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You can configure the same via virtual host in httdp.conf with redirection rule or you can do the same with ELB in which you can mention the request comes on 80 and ELB will forward the same on 8000 port. solved My AWS ec2 instance is running on ec2-xx-1xx-xxx-24.compute-1.amazonaws.com:8000. how do i make it run … Read more

[Solved] What effect does this code in PHP? [closed]

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As you pasted it in one liner <?php session_name(‘MoodleSession’.$CFG->sessioncookie); //设置当前session名称为MoodleSession /* * */ if (check_php_version(‘5.2.0’)) { session_set_cookie_params(0, $CFG->sessioncookiepath, $CFG->sessioncookiedomain, $CFG->cookiesecure, $CFG->cookiehttponly); } else { session_set_cookie_params(0, $CFG->sessioncookiepath, $CFG->sessioncookiedomain, $CFG->cookiesecure); } the only executed function would be session_name(‘MoodleSession’.$CFG->sessioncookie); because you are commenting the rest of the line with a // What does this piece of code? <?php … Read more