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Why no max/min function for integer in GoLang
You may notice that there is no max/min function provided to compare the maximum/minimum of two or more integers if you are a GoLang developer with some experience . In other languages, these functions are provided as part of the core lib functions. Have you wondered why? Indeed GoLang provides max/min function in math package, but they are used for comparing float64 data type. The signature of these two functions are math.Min(float64, float64) float64 math.Max(float64, float64) float...
Only 4G can resolve the conflicts between China Telecom Carriers and WeChat ?
Why WeChat has made the three big Chinese telecom companies uncomfortable? Let's analyze from both technical and commercial levels. From a technical point of view, Mr. Huang, Dean of China Mobile Research Institute, described the impact of "always online service" applications like WeChat. Instead of using technical terms, we will explain in simple vivid phrases. First, mobile QQ, or WeChat, will have their own "request frequency". These requests are sent to the carrier network, to check the re...
Cache Reheating - Not to be Ignored
An important aspect to keep in mind with databases is the cost of cache reheating after a server restart. Consider the following diagram which shows several cache servers (e.g., memcached) in front of a database server.This sort of setup is common and can work quite well when appropriate; it removes read load from the database and allows more RAM to be utilized for scaling (when the database doesn’t scale horizontally). But what happens if all the cache servers restart at the same time, s...
Database,Cost,Cache reheating,Advice 2011-09-21 09:47:29
Lenovo becomes the king of PC
According to Sina Tech, Data from market research firm IDC and Gartner shows that Lenovo defeats Hewlett-Packard to become the largest PC manufacturer in the world In the second quarter , global PC shipments dropped by 11%, the fifth consecutive quarter of decline.In October 2012, Gartner ranked Lenovo as the world's largest PC manufacturer, but IDC data ranked HP as the largest PC manufacturer. However, the rank of largest PC manufacturer between IDC and Gartner has no difference this time.Gar...
Turn browser into notepad with one line of code
This is the code shared by Jose on codewall. When you type data:text/html, into the address bar of the browser and press enter, the browser will turn into a notepad which you can edit. Why it works? This uses Data URI’s format and it tells the browser to render HTML. But contenteditable is a property of HTML5, so this can only work in the web browser which supports this property. Here are some interesting contents. Some people make some changes to the code encouraged by the ide...
HTML5, Browser editor 2013-01-30 04:20:54
Mastering Go Channels: How to Build Concurrent Applications Like a Pro
Introduction In the world of concurrent programming, Go channels have quickly become a popular tool for building fast and efficient applications. Utilizing channels can help you take full advantage of the power of Go's lightweight threads, or goroutines, and enable you to easily and effectively manage data sharing and synchronization. In this article, we'll dive deep into the world of Go channels and show you how to build concurrent applications like a pro. Understanding Go Channels To start, le...
GOLANG,CHANNEL,CONCURRENCY 2023-04-21 14:47:47
php://input in PHP
When using xml-rpc, server side will get the data from client with php://input method instead of $_POST. Hence today we will discuss php://input. PHP official manual has below explanation to php://input: “php://input allows you to read raw POST data. It is a less memory intensive alternative to $HTTP_RAW_POST_DATA and does not need any special php.ini directives. php://input is not available with enctype=”multipart/form-data”. Here we und...
php://input, IO, input 2013-02-25 20:43:00
Why Google+ Doesn’t Care If You Never Come Back
Ad targeting. Google+ is designed to power ad targeting, and for that it only needs you to sign up once. This lets it combine the biographical information you initially enter such as age, gender, education, employers, and places you’ve lived with your activity on Search, Gmail, Maps and all its other products to create an accurate identity profile. And this powers targeting of more relevant ads it can charge more for. So despite comScore showing that the average Google+ user only sp...
Spurring the Consumer Feedback Loop with Connected Devices
In a press release from earlier this year, Gartner had predicted that by the year 2018 mobile devices would account for initiating 5% of consumer services cases, registering a marginal rise of 0.02% from 2014. Research shows that most businesses lose around a whopping $83 billion owing to poor consumer services (Source: kissmetrics) in the US alone while globally, the average cost of losing a consumer is $243. It is only viable to think of automating support services as a way to lower the costs ...
Big Data Analytics Solutions, Loyalty Programs for Customers 2015-08-18 07:11:35
Pinterest announces open registration
Pinterest is on-line for two years. During these two years, it gains big growth, but it needs invitation before you can register on Pinterest. Now Pinterest announces open registration, it means that anyone can register on Pinterest with emails, Facebook or Twitter accounts, no need to get invitation from others. In its official blog, Pinterest says: We’re really excited to have the capacity to offer Pinterest to more people and if you’re a Pinner with friends who’ve been wait...
Pinterest,Social,Open registration 2012-08-09 01:56:23
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