SEARCH KEYWORD -- performance



  Some thoughts about Facebook native app

On Techcrunch Disrupt last month, Facebook CEO Mark Zuckerberg's remarks about their mobile app sparked a denunciation against Web App. HTML 5 seems to have become the bottleneck of poor experience of all related mobile applications. From the user perspective, Facebook native iOS App rates from the 1.5 star to four star now; since the introduction of new native app, the user usage is doubled. It's not easy to have a huge rise of user usage for such a big app like Facebook. Especially consid...

   Facebook, Native app, Analysis     2012-10-12 20:38:11

  Understanding PGO in GoLang 1.20

Background The Go 1.20 version was officially released in February 2023, it introduced the PGO(Profile Guided Optimization) mechanism. The basic principle of PGO can be divided into the following two steps: First, profiling is performed on the program to collect data about the program's runtime and generate a profiling file. When compiling the program, enable the PGO option, and the compiler will optimize the program's performance based on the content in the .pgo file. When compiling a program...

   GO 1.20,PGO,GOLANG     2023-02-28 04:27:46

  What surprise Google brings us in Nexus 5?

Because Nexus 4 performed well after release, many people are confident of the performance of the upcoming Nexus 5. It is manufactured by LG and equipped with attractive configurations. LG Nexus 5 will have Android 5 installed, as for hardware, it will have a 5.2 inch screen with a resolution of 1920x1080  Also the processor will be a 2.3GHz Quad-Core processor. The exciting part is it has a 4GB(Some says it's 3GB) memory which is larger than almost all current Android devices which have 2G...

   Nexus 5,Google,LG     2013-04-08 07:37:41

  Amazon is a good company but doesn't have the best business model

Public opinion about a company is usually based on its performance. If it performs well, people will praise it, otherwise people will blame it. In 1999, Apple was still a broken apple(Steve Jobs's talent and effort was paid off yet). Public opinion about Apple was the closed model caused Apple's failure. They built hardware themselves, developed software themselves and delivered service themselves, this is certainly not sustainable. But Steve Jobs let everyone see this new model. In order to con...

   Business model,Amazon,Apple, Microsoft     2013-07-02 11:34:45

  A guide on installing and running Clickhouse on macOS

ClickHouse is a high-performance open-source columnar database management system developed by Yandex. Here are some of the key features of ClickHouse: Columnar storage: ClickHouse uses a columnar storage format, which allows it to efficiently store and retrieve data by column, rather than by row. This results in much faster query performance, especially for analytical and aggregate queries. Real-time data processing: ClickHouse is designed to handle real-time data processing and can handle bill...

   CLICKHOUSE,MACOS     2023-02-15 06:04:55

  Coming back, Nokia?

Nokia officially unveiled an Windows Phone 8 phone model Lumia 920T in cooperation with China Mobile in yesterday's Global Developer Conference of China Mobile. This is the first to support China Mobile's TD-SCDMA 3G mobile phone network standard in the Windows Phone ecosystem, it that Windows Phone is available in TD camp. Meanwhile, as China Mobile's official custom models, Lumia 920T will be sold using China Mobile's sales channel, this may further promote the sales of Nokia Windows Phone dev...

   Nokia, China Mobile, Lumia 920T,TD-SCDMA     2012-12-06 13:17:24

  Performance comparison of string concatenation in Go language

In Go language, string concatenation is an inevitable operation during development, and efficient string concatenation is crucial for improving application performance. This article will delve into several common ways of string concatenation, provide performance comparisons, and offer optimization suggestions aimed at helping developers write more efficient code. Common ways of string concatenation In Go language, common ways of string concatenation include the following: Using the + operator fo...

   COMPARISON,PERFORMANCE,STRING CONCATENATION     2024-05-13 00:33:20

  Rust vs Go: how to choose the best programming language for your project?

Rust and Go, these two modern programming languages, with their unique advantages, are becoming hot topics in the developer community. Their competition in performance, security, simplicity, feature set, and concurrency not only influences developers' choices but also foretells future trends in software development. Battle of Performance: Rust's Precision vs. Go's Efficiency Rust, developed by Mozilla Research, has become the preferred choice for performance-sensitive applications due to its zer...

   RUST,GO,GOLANG,COMPARISON     2024-02-10 19:36:44

  Embrace open source

In past few days, there are many tech news which are related to open source. For example, Microsoft enables Linux on its Windows Azure cloud, Facebook open sourced its C++ library Folly and Samsung joined Linux foundation. Now more and more big companies realize the power of open source and are willing to contribute to the open source community. It will benefit not only developers but also these big companies as well.By providing some open source libraries or projects, developer may reduce their...

   Open source,Microsoft,Samsung,Facebook,Linux     2012-06-06 05:37:59

  TIOBE : No news today

TIOBE released the programming index for September 2012. There is no big change for this month compared to last month, the top 3 are still C, Java and Objective-C. In top 20, only Transact-SQL exchanged the position with VB.NET. Java shows trend of drop, will it be worse because of the ignorance of Java's vulnerabilities by Oracle. This index shows that the programing lnaguage market is quite normal, no big events. Except Objective-C, in recent years there are no other new languages which have b...

   TIOBE,Objective-C,Index     2012-09-05 07:36:07