Questions tagged [performance]

It's clear that this question has been asked before, but the existing answers are not solving my issue. The problem I'm facing is that server-side rendering is taking too long. Moving from page to page is slow, ranging from 2.5-4 seconds and som ...

My issue is slightly different than what I expected when I previously asked: Parse JSON to configure android application. I am receiving a JSON object from the server, and when I view it in the browser's source code, this is how it appears: JOSON.co ...

I am currently developing a Python script that requires sending over 1500 packets simultaneously within less than 5 seconds each. In essence, the main requirements are: def send_packets(ip): #craft packet while True: #send packet ...

I am currently in the process of implementing a chat feature for my app and I'm contemplating the most effective approach to achieve this. Here is the concept I have in mind: The user will select who they want to communicate with, then record an aud ...

Within our team, we rely heavily on the React MaterialUI library. To ensure consistency in UI patterns and facilitate customization of MaterialUI components, we have adopted a practice of wrapping each MaterialUI component within our own custom component. ...

The loadCSS library developed by Filament Group is widely recognized as the standard for asynchronously loading CSS. Even Google recommends its use. However, instead of using this library, some suggest utilizing ajax to achieve the same result. For example ...

After extensively utilizing jQuery for quite some time, I recently developed a slideshow plugin for my professional projects. Interestingly, without fully intending to, approximately 75% of the code was written in a single chain. Despite being meticulous ...

Currently, I am developing an HttpServlet extension (plugin) for a CMS that is responsible for filtering the HTML response. Within my method filterResponse, I retrieve the requested text/html as a String, which is one of three parameters. The main task a ...

I have implemented the random module in a project, despite not being a programmer. My task involves creating a script that can generate a randomized database from an existing one. Specifically, I need the script to pick random words from a column in the "w ...

Currently, my project involves a combination of JavaScript with jQuery and communication with a Django backend. Some aspects of the user interface require Ajax due to the fact that data to be sent is dependent on user input. On the other hand, there is c ...

We are looking to enhance the speed at which our Javascript files load in the browser. Although our own Javascript files are simple and small, larger libraries like jQuery and KendoUI take a considerable amount of time to evaluate. We are interested in fin ...

Examining the codes below, I implemented two different approaches to solve the problem (simple recursive and DP). Why is the DP method slower? Do you have any suggestions? #!/usr/local/bin/python2.7 # encoding: utf-8 Problem Statement: An array contains ...

Currently, I am looping through a numpy array and performing a search operation which is taking approximately 60 seconds to complete for arrays (npArray1 and npArray2 in the sample code) containing around 300,000 values. To elaborate, I am seeking the ind ...

Running a simple benchmark test, I decided to compare the execution times of the same code in PHP 7.0.19-1 and Python 3.5.3 on my Raspberry Pi 3 model B. To my surprise, Python's performance was significantly slower than PHP's (74 seconds vs 1.4 seconds). ...

Understanding the Issue Is there a way to retrieve data from the Chrome Performance tool either using the browser console or utilizing Chrome driver methods in Selenium? I am specifically looking to obtain the page loading time. The graphs at the top ind ...

I have a collection of lists or tuples where the inner list or tuple can vary in size. I am trying to determine if a specific variable is present in the first position of each inner list or tuple. The structure looks like this: [ [[list of x integers],[x ...

Currently, as I am delving into learning react, I find myself working on an application that involves a json array stored in a state variable. An interesting observation I made is that React does not trigger a re-render when there are changes to a state va ...

Previously, I constructed my website layouts using the HTML5 Boilerplate method: incorporating styles and Modernizr in the head section, jQuery (either from Google CDN or as a hosted file) along with scripts just before the closing body tag. This is an exa ...

My workplace currently operates a microservice that handles 300 requests per second across 30 NodeJS pods. DataDog metrics revealed high latency and CPU usage during peak request times. While monitoring the DataDog APM profiles for various pods, I noticed ...

I am currently working on a HTML5 Canvas and JavaScript game. Initially, the frames per second (fps) are decent, but as the game progresses, the fps starts decreasing. It usually starts at around 45 fps and drops to only 5 fps. Here is my current game loo ...

In my Next.js project, I have a page that displays the content of a transcript and allows users to select portions of the text and make notes on it. The issue I'm facing is outlined below Inside the getServersideProps function, I retrieve a link to ...

I've been given a task to shuffle a word that has more than 3 letters while keeping the first and last letters unchanged. The revised word should not be identical to the original, ensuring some sort of rearrangement is apparent. For example, when shuffli ...

I'm trying to retrieve file names from a directory: const fs = require('fs'); fs.readdir("repo/_posts", (err, files) => { files.forEach(file => { res.write(file + "\n"); }); }) Even with only 15 files, ...

I've been dealing with a Drupal 7 website that experiences downtime a few times per month for about 4 to 5 minutes. According to the New Relic report, /ds_extras_node_page_view consumes 52% to 92% of the memory during loading, which is causing the site to ...

I encountered a minor issue... I created a webpage using BOOTSTRAP and included the Nivo slider (jquery) on it. I utilized bootstrap for its basic styling and responsive design capabilities (adaptation for mobile, tablet, etc). However, my webpage perform ...

Do these two options offer different levels of performance? Which one excels at conducting deep comparisons? I've encountered situations where Angular's equals function fails to detect certain differences. In addition, I've observed that the Angular versi ...

I have a unique and innovative responsive HTML page. Within this page, there is an exceptional product search section. Users are provided with the opportunity to enter their desired search criteria into a carefully designed form and instantly receive relev ...

Query: How can one effectively reduce the file size of a webpage to improve loading speed? What specific optimization practices and coding techniques (in JavaScript and PHP) can be implemented to decrease page weight? Motivation: After reading an article ...

How can I efficiently retrieve the parent array key with multidimensional arrays? For instance, consider the following array: array( [0] => array(0=> sample, 1=>picture, 2=>frame, 3=>google) [1] => array(0=> iphone, 1=>or ...

Recently, I have been heavily involved in working with Concrete5. It has come to my attention that the default theme contains numerous CSS rules that are defined in this manner: #page #central #sidebar p{line-height:24px} Considering that "sidebar" is an ...

I've encountered a problem while using jqGrid with LOAD ONCE and client-side paging. The addition of a filter toolbar has significantly slowed down the paging process after applying any kind of filter. $(gridElement).jqGrid({ postData: post, ...

I am currently working on a small element on my website that involves a random size change in one of the DOM elements. const theDiv = document.getElementById("the-div"); function animate(){ const value = Math.floor(Math.random() * 200); theDiv.sty ...

https://i.stack.imgur.com/Rq9Y2.jpg We have recently developed a cutting-edge application using Angular 6, hosted on an Apache 2.4 server. To ensure our website is properly crawled by search engines, we set up a local "prerender" instance. Initially, we t ...

In a recent blog post by the PowerShell Team, they discussed the use of posh commands. Can we utilize Create() without loading any PS command to function as a system process executor (similar to System.Diagnostics.Process)? How can we achieve this wi ...

I've been grappling with a certain problem that ultimately boils down to calculating the value of https://i.stack.imgur.com/ovS3p.png (n+m-2 Combinations m-1). Here's what I have so far. In situations where the result exceeds 10^9+7, I must output my_ans ...

I have a DataFrame series that contains sentences, some of which are quite lengthy. Additionally, I possess two dictionaries with words as keys and integers as counts. It's worth noting that not all words from the strings appear in both dictionaries ...

I am interested in this task: from some_cool_library import fancy_calculation arr = [1,2,3,4,5] for i, item in enumerate(arr): the_rest = arr[:i] + arr[i+1:] print(item, fancy_calculation(the_rest)) [Expected output:] # The fancy results from t ...

My screen contains numerous date/time pickers, but I'm experiencing performance issues on lower power machines. Is there a way to delay the loading of a date picker until a user interacts with a text input? The date/time picker I am currently using i ...

Here is a two-part question I have: The first part of the question: test A: t1 = new Date().getTime(); for (i=0; i<205; i++) { document.getElementById("divTest").innerHTML = sText; } t2 = new Date().getTime(); ...

Currently working on a python project, I am in need of a high-speed generator function that can create all potential sets of non-negative integer numbers less than n. These sets must contain no more than s elements and the gap between the largest and small ...

Hey there, I'm encountering a strange issue in my IE 11 console. A JavaScript Console error has occurred. This may impact functionality. Whenever I try to run a for loop to create a list of elements within a ul tag 4000 times, the process stops at ...

After clicking on an image, I want the corresponding HTML page to load instantly. However, there is a delay of a few seconds before the page actually appears. How can I reduce or eliminate this waiting time and ensure that the page loads as quickly as po ...

Below is the model structure of my source code, represented as an array in a dictionary format. # data structure user_list = [{user_name: 'A', email: '<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="8feeeeeecfe ...

I have created a unique weather website that utilizes the flickr API as well as the yahoo API to gather weather data. However, I am facing an issue where the ajax call from the yahoo API does not retrieve the necessary data in time for the content of the p ...

As I work on developing an AJAX image gallery that preloads multiple large images ranging from 120kB to 2MB before the lightbox appears, a question arises: should these images be loaded sequentially (waiting for one to preload at a time) or in parallel? Wh ...

Details: record1 = [{"site": "The Blue Tiger", "zipcode": "E1 6QE"}, {"site": "Cafe Deluxe", "zipcode": "E6 5FD"}] record2 = [{"site": "Blue Tiger", "zi ...

Over the past few days, I have been working on optimizing a client table for a project. The table contains over 10k clients, and as a result, it was taking a long time to load. The front-end team had implemented pagination, filters, and reordering, which ...

Exploring various JQuery performance tips on this insightful website Do you happen to know the significance of App.hiddenDivs ? ...

After doing some research online, I found that the documentation on this topic is quite lacking. I am currently dealing with a significant memory leak in my code and have been using: window.performance.memory.usedJSHeapSize However, it seems like the val ...

As I work on optimizing my code for better performance, I have encountered a bottleneck in the data preparation phase. The structure of my data is quite specific, leading me to iterate through two for loops to process it. Initially, this method worked well ...

Imagine a farm with cows and farmers. Some farmers are responsible for certain cows, but when PreserveReferencesHandling is utilized, the resulting json size decreases significantly (by 45% in this scenario). public class Farm { public List<Cow> ...

When it comes to creating responsive web templates, I make use of the srcset attribute in order to load different images based on the current viewport size. This has been working well overall. However, in production mode, the images are fetched from a Digi ...

I have encountered some performance issues while using socket.io with the ng-repeat directive in Angular. The application slows down significantly when receiving a large amount of data from the backend, making it impossible to interact with the app. What w ...

Currently, I am in the process of changing classes for images based on their index using the moveIndex method and key events. While this works smoothly on computers, it seems to take significantly longer when implemented on TVs. The process runs smoothly w ...

Currently, I am exploring the most effective way to pass data between two pages (Page A to Page B) using PHP for a specific scenario: Page A: This page displays a gallery of images with titles. The PHP file makes a database call to an images table, which ...

After following a tutorial on YouTube by TechWithTim, I successfully completed a solar system project in pygame. With plans to expand it further, adding more planets caused the program to crash due to memory issues related to orbit rendering. How can I eff ...

Recently, I encountered a dilemma regarding optimizing React performance in one of my stateless functional components. In this component, I had defined defaultProps with row: false, but I found it inconvenient as the defaultProps were placed at the end of ...

The HTML code provided is as follows: <dl class="item-options"> <dd class="truncated" style="color:red;">DSOX3000-232, RS232/UART Serial Decode and Trigger - in <a onclick="return false" class="dots" href="#">...</a>/&l ...

Experiencing slow loading times for local resources in my Laravel project has been a major issue. The files are unusually small and the cdn is much faster in comparison. Is there a way to resolve this problem? https://i.stack.imgur.com/y5gWF.jpg ...

Hello there, I am facing a challenge with my webpage's loading speed due to the code provided below. Can you assist me in optimizing it? <xsl:template match="Category" mode="CategorySelectorScript"> <xsl:variable name="ThisCategoryID ...

Is it true that AngularJS has its own module loading mechanism built-in and using RequireJS is unnecessary or even inefficient? I am working on an Angular project where the index.html file is becoming quite large. Would incorporating RequireJS help reduc ...

Does anyone have any suggestions on how to optimize this function? I feel like it could be shortened to improve its efficiency. Any help or advice would be much appreciated. Function: onStudentActionSelect: function () { if (this.selectedRows.length ...

When I visit a standard webpage, I usually load the following resources from various CDNs: jQuery Angular Bootstrap Icomoon several Angular plugins Would it be more efficient to load all these resources from a single CDN, or is it fine to use multiple ...

(Update: Initially, I suspected React Router was the cause of this issue. However, after eliminating React Router from the codebase, the problem persists. Therefore, I have extensively revised this inquiry.) Situation: I am dealing with paginated pages th ...

Summary: In a SPA CMS project, multiple dynamic data sources are causing performance issues due to a large number of asynchronous HTTP calls required to display a table with extensive data. The challenge is to maintain good performance while handling the ...

Recently delving into the world of jQuery, I have been on the lookout for ways to enhance the speed and performance of my code. If anyone has any tips or valuable resources that could aid me in this endeavor, I would greatly appreciate it. Thank you, Bev ...

Is there a way to determine which script is optimal and will load faster when there are multiple ways to write scripts that achieve the same outcome? ...

Currently, I am working on enhancing the performance of this site at . If you scroll through the site or navigate using the Up and Down Arrow Keys, you may notice a sluggish and slow Scroll Behaviour. I am utilizing HTML5 and simple img tags with 85% wid ...

I am currently working on a small Next.js application that uses both internal and external libraries. While the production build performs well, I have noticed that the development builds are extremely slow. Whenever I make a change to a page component that ...

I have been using a nodejs module to track the execution time of different parts of my application. // polyfill for window.performance.now var performance = global.performance || {} var performanceNow = performance.now || performance.mozNow ...

I'm inquiring about assistance regarding what I believe is tied to caching during JSON object parsing. Currently, I am conducting benchmark tests on different deserializing libraries such as Gson, Kotlin-serialization, and Immutables. I have a json-format ...

Although it may not make a significant difference, I am curious to know if there is any overhead in calling class methods compared to calling class properties. Take a look at the example below involving $router->controller and $router->action. I'm not ...

Currently, I am in the process of creating an image picker with react-native's CameraRoll API and displaying them within a FlatList inside the CameraRollScreen component. This particular component receives a prop named maxPhotos, set to 3; once a user ...

Seeking a solution for efficiently processing a very large base64 encoded string by reading it into a byte (Uint8) array, splitting the array into chunks of a specified size, and then encoding those chunks separately. The current function in use works but ...

Currently, I am using Retrofit and have implemented the ItemTypeAdapterFactory class which implements TypeAdapterFactory and handles the read method. Everything is functioning perfectly, but I have noticed a significant slowdown when dealing with a large a ...