SQL Performance

AUGUST 14, 2019

This article is the fourth installment in a series about T-SQL bugs, pitfalls and best practices. The focus of this month's article is bugs, pitfalls and best practices related to window functions. One pitfall has to do with calculations of running totals where you get a window frame with the implicit RANGE option.

Best Practices 108

Best Practices Servers Database Azure 108

Smashing Magazine

OCTOBER 1, 2021

How To Implement Search Functionality In Your Nuxt App Using Algolia InstantSearch. Miracle Onyemna. 2021-10-01T10:00:00+00:00. 2021-10-01T10:09:29+00:00. Giving users the ability to quickly search through and navigate our content easily comes with great benefits. This tutorial is aimed at Vue.js devs that are familiar with Nuxt. Prerequisites.

Media 122

Media Code Servers Performance 122

SQL Performance

MAY 13, 2020

For example, the expression can be a table value constructor, as I will explain later in this article. Mixing results of grouped queries and detail, in case you decide not to use window functions for this purpose. Window functions can appear only in a query's SELECT and ORDER BY clauses. Derived tables.

C++ 143

C++ Code Design Servers 143

CSS Wizardry

JULY 23, 2023

Need to get this message across to your entire company? To get a ranking boost, you need to pass all relevant Core Web Vitals and everything else in the Page Experience report. You should get in touch. Today we’re announcing that starting in July 2018, page speed will be a ranking factor for mobile searches.

Engineering 246

Engineering Google Speed Mobile 246

Speed Curve

FEBRUARY 25, 2024

My experience over the last few months is that getting to Good is achievable, but it's not always easy. My favourite place to start is with the Web Vitals heatmap on SpeedCurve's RUM > Performance dashboard. Guest profiles also start with empty caches, empty cookie stores, empty browser storage, etc.

Analytics 93

Analytics Processing Google Mobile 93

Smashing Magazine

DECEMBER 14, 2021

But first, let’s start at the beginning. Subscribe and get “Smart Interface Design Checklists” — a free PDF deck with 150+ questions to ask yourself when designing and building almost anything. Test written in Windows would easily work on Mac; Keyboard and cursor simulation are supported; Add-ons can be installed.

Testing 99

Testing Network Website Google 99

Smashing Magazine

JULY 29, 2021

When we start learning CSS, we find that CSS units of measurement are categorized as relative or absolute. CSS relative units are sized according to other style definitions defined by parent elements or are affected by the size of a parent container. Smartphones brought another quiet evolution, starting the era of high-density screens.

Operating System 145

Operating System Mobile Testing Systems 145

Smashing Magazine

JUNE 2, 2021

For the launch, we mostly focused on getting the new design out the door, but once the website’s relaunch went live, we started focusing our attention on turning the red and orange scores to greens. In this article, I’ll highlight some of the work we did and how we were able to achieve our speed. Large preview ).

Performance 115

Performance Cache Website Mobile 115

Smashing Magazine

JULY 16, 2020

Where To Start Optimizing Performance In A React Application? You might be asking, “Where do we start?”. Never start the optimization process of your React application based on what you feel. We can’t begin to optimize an app without knowing exactly when and where to optimize. Measuring Performance.

Performance 121

Performance Code Virtualization Processing 121

Smashing Magazine

JANUARY 11, 2021

Get a free trial of LogRocket today. And, most importantly, where do we even start improving performance and how do we establish a performance culture long-term? Getting Ready: Planning And Metrics Performance culture, Core Web Vitals, performance profiles, CrUX, Lighthouse, FID, TTI, CLS, devices. Table Of Contents.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

AUGUST 28, 2020

In this article we’re going to be learning about the following: Installation of Django. This article will guide you through understanding Django’s pre-built commands, files and basics. Now to get into your virtual environment, you need to get it activated; source ~/.virtualenvs/djangodev/bin/activate. Installing Django.

Virtualization 143

Virtualization Database Code Processing 143

Smashing Magazine

JULY 16, 2019

Why hire someone to work at 1–2 minutes per query when you can get a program to perform a query automatically every few seconds? In this tutorial, we will use Wikipedia as our website as it contains all the information we need and then use Scrapy on Python as a tool to scrape our information. 2019-07-16T14:30:59+02:00.

Scalability 87

Scalability Website C++ Servers 87

Smashing Magazine

AUGUST 23, 2019

JPEG files, for which lazy loading is mostly used, have the possibility, according to the specification, to store the data contained in them in such a way that first the coarse and then the detailed image contents are displayed. In the worst case, the browser will load an image completely before it starts loading the next one.

Network 103

Network Servers Programming Code 103

Smashing Magazine

FEBRUARY 2, 2022

In this article, we’re going to cover code-splitting best practices and showcase some examples using React, so we load the minimum JavaScript necessary to render a page and dynamically load sizeable non-critical bundles. The JavaScript bundle for our web app consists of the following six pages contained in individual components.

Code 89

Code Performance Network Website 89

SQL Server According to Bob

DECEMBER 18, 2018

Durability is a cornerstone of any database system and starting with SQL Server 2017 on Linux Cumulative Update 6 (CU6), SQL Server on Linux enables “Forced Flush” behavior as described in this article , improving durability on non-Fua optimized systems. “Be Starting with the Linux 4.18

Servers 90

Servers Media Cache Storage 90

SQL Performance

MARCH 8, 2021

This article aims to help you understand where the timings come from in each case, and how they can be best interpreted in context. To see the CPU times , select a plan operator, then look in the Properties window. See the linked very detailed article if you are interested in all of the finer detail.

Servers 95

Servers Tuning Architecture Processing 95

Brendan Gregg

FEBRUARY 28, 2023

As I was determined to become great at my new occupation regardless of my location, I read every sysadmin book, article, and magazine I could find on the shelf. I didn't end up getting published in SysAdmin directly, but my performance work did make it as a feature article (thanks Matty). Or even on a plane.

Performance 52

Performance Latency Cache Virtualization 52

Smashing Magazine

SEPTEMBER 17, 2021

In this article, I’ll be explaining how I’ve used Gatsby Functions and the Stripe API to enable secure “Pay what you want” contributions that help fund my open-source project MDX Embed. Subscribe and get “Smart Interface Design Checklists” — a free PDF deck with 150+ questions to ask yourself when designing and building almost anything.

Open Source 114

Open Source Serverless Software Software 114

Smashing Magazine

MAY 16, 2022

For this article, that’s all we’ll need to start exposing the value and leave other more specific articles to go deeper. There are a handful of different entry subtypes but, for the scope of this article, we will be concerned with the PerformanceResourceTiming and PerformanceNavigationTiming subtypes. More after jump!

Servers 92

Servers Monitoring Cache Network 92

SQL Performance

AUGUST 27, 2021

Continuing my series of articles on latches, this time I’m going to discuss the APPEND_ONLY_STORAGE_INSERT_POINT latch and show how it can be a major bottleneck for heavy update workloads where either form of snapshot isolation is being used. 2,000 bytes at the end of one page and 6,000 bytes at the start of the next).

Database 56

Database Storage Availability Servers 56

Smashing Magazine

JUNE 2, 2021

These shifts of content are very annoying, making you lose your place in an article you’ve started reading or, worse still, making you click on the wrong button! In this article, I’m going to discuss some front-end patterns to reduce CLS. Optimizing that is usually a matter of cleaning up (or reducing!)

Media 125

Media Metrics Website Google 125

Smashing Magazine

APRIL 29, 2021

Some tips to get us started: For a fast Largest Contentful Paint : Request your key hero image early. Imagine you’ve started reading an article when all of a sudden elements shift around the page, throwing you off and requiring you to find your place again. Use srcset + efficient modern image formats. Large preview ).

Media 145

Media Network Metrics Mobile 145

SQL Performance

AUGUST 12, 2020

This article is the fifth part in a series about table expressions. This month I start the coverage of common table expressions (CTEs). Like with derived tables, I’ll first address the logical treatment of CTEs, and in the future I’ll get to optimization considerations. Let’s start with the term common table expression.

C++ 140

C++ Code Design Database 140

Smashing Magazine

DECEMBER 23, 2020

Otherwise, the user experience could be as frustrating as Ankita Masand’s ordeal with ordering a cake as she describes in her article about the pain points of PWAs. indexedDB' in window)) { console.log('This browser doesn't support IndexedDB'); return; }. And they all boast about massive benefits from implementing the progressive apps.

Cache 123

Cache Internet Internet Google 123

Smashing Magazine

JANUARY 6, 2020

And, most importantly, where do we even start improving performance and how do we establish a performance culture long-term? Getting Ready: Planning And Metrics. Getting Ready: Planning And Metrics. Back in the day, performance was often a mere afterthought. Table Of Contents. Setting Realistic Goals. Defining The Environment.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

And, most importantly, where do we even start improving performance and how do we establish a performance culture long-term? Getting Ready: Planning And Metrics. Getting Ready: Planning And Metrics. Back in the day, performance was often a mere afterthought. Table Of Contents. Setting Realistic Goals. Defining The Environment.

Performance 103

Performance Cache Metrics Network 103

O'Reilly

MARCH 4, 2020

Would someone think it rude if there were the sound of a car accident outside, and you broke off conversation to run to the window? It is so good that over the years, I’ve managed to get only about halfway through the book, since each time I pick it up, I first re-read Freeman’s foreword. Freeman was good at that, too.

Storage 143

Storage Speed Systems Design 143

Smashing Magazine

SEPTEMBER 16, 2021

In this article, you will learn how CRMs improve experiences not only for customers but across internal company teams. Lastly, you’ll get to discover how a CRM automates and abstracts crucial but work-intense business processes and workflows. The acronym CRM stands for C ustomer R elationship M anagement.

Website 67

Website C++ Virtualization Development 67

Smashing Magazine

MAY 17, 2021

Last year, Google started emphasizing the importance of Core Web Vitals and how they reflect a person’s real experience when visiting sites around the web. When someone starts searching for a domain name, we replace the page content with search results. How We Improved Our Core Web Vitals (Case Study). Beau Hartshorne.

Google 93

Google Analytics Serverless Metrics 93

SQL Performance

APRIL 23, 2019

This article covers additional factors that affect aggregate pushdown for GROUP BY queries only. To understand this, it is necessary to first review how columnstore storage works at a high level: A compressed row group contains a column segment for each column. A column segment may contain both pure and impure data.

Servers 67

Servers Testing Metrics Storage 67

Randon ASCII

OCTOBER 20, 2019

They sent me an ETW trace that contained enough information for me to craft a tweet-for-help which resolved the issue swiftly. It contains a record of every context switch on the computer so it is a precise record of every time that a thread starts running, including data about where it was waiting and for how long.

Processing 60

Processing Systems Code Software 60

SQL Performance

JUNE 10, 2020

I addressed some terminology considerations in the first two parts of the series, and will address more in future articles when discussing CTEs, views and inline TVFs. Does it get persisted on disk, and how does SQL Server handle memory for it? Does it get persisted on disk, and how does SQL Server handle memory for it?

C++ 109

C++ Database Servers Code 109

Smashing Magazine

APRIL 19, 2021

Google has announced that from 1st May, they will start to consider “Page Experience” as part of Search ranking , as measured by a set of metrics called Core Web Vitals. How can you get an accurate picture of the Core Web Vitals for your site? An In-Depth Guide To Measuring Core Web Vitals. Barry Pollard. 2021-04-19T08:30:00+00:00.

Google 140

Google Metrics Mobile Analytics 140

HammerDB

NOVEMBER 30, 2018

However if you have downloaded the source code and are looking to add features or make modifications such as adding new databases you may be wondering once you have the source code where to start. This Git repository is updated with every release. In fact all of this source code is also included in readable form with each and every release.

Architecture 40

Architecture Virtualization Open Source C++ 40

SQL Performance

JUNE 10, 2020

I addressed some terminology considerations in the first two parts of the series, and will address more in future articles when discussing CTEs, views and inline TVFs. Does it get persisted on disk, and how does SQL Server handle memory for it? Does it get persisted on disk, and how does SQL Server handle memory for it?

C++ 93

C++ Database Servers Code 93

Randon ASCII

JANUARY 22, 2017

So, I changed it to list which symbol caused a particular object file to be pulled in and I started seeing results like this: rdft.obj referenced by avfft.obj for symbol ff_rdft_init. PeriodicWave.cpp didn’t contain a definition for log2f which left me confused for a while but I eventually put the pieces together: MathExtra.h

C++ 56

C++ Code Systems Processing 56

CSS - Tricks

AUGUST 18, 2020

However, I needed some JavaScript in my RSS feed app in order to get a toggleable mobile nav to work. It contains no third party code, which makes for easy testing in a quiet environment. A ASUS X550CC laptop from 2013 running Windows 10 on Chrome 83. I ultimately decided not to include those numbers in this article.

Performance 101

Performance Mobile Servers Code 101