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  10 Technological Trends that are Affecting Life of Teachers

Technology has reached the level where people think that they do not need anybody to teach them new things. When you do not know about anything, you simply Google it and get the answer. All this is good but in actual it is affecting the life of our teachers. So, whatever conclusions these folks have who are arriving today will always influence everyone else who is working in childhood education through their high school. Let us see how they are affecting the life of the teachers:  &nbs...

       2014-12-01 01:38:04

  A plugin to update last_error in Delayed Job

delayed_job is a process based asynchronous task processing gem which can be ran at background. It will fork the specified number of processes to execute the tasks asynchronously. The task status is usually stored in the database so that it can be easily integrated into a Rails application where asynchronous job execution is desired. Normally when a job fails to execute or error occurs, it would save the error into the database with the column last_error. Ideally all these will be handled b...

   RUBY,RUBY ON RAILS,DELAYED JOB,LAST_ERROR     2017-11-18 13:05:49

  Early homepages of some famous websites

Are you curious about what are their early homepages like for some famous IT companies? Let's take a look at them now. 1. Google This page was relative concise at that time. The current Google homepage is more concise. 2. Facebook It went online on 4th Feb, 2004. This was its homepage in 2004 3. YouTube It went online on 15th Feb, 2005. Until 22nd April, the first video clip was uploaded. 4. Wikipedia It emphasizes on free content and collaborative editing. It also supports many languages. 5...

   Homepage,website,History,Google,Facebook     2015-07-23 11:34:18

  Everything you need to know about what happened at Apple’s Special Event 2019

Apple’s special event that was announced in mid-November is finally over. The company held a presentation event in New York City where it highlighted the best apps and games of 2019 with no new software or hardware announcements at all.   On the event, five different nominations were announced: Apple’s chosen favourite apps, top free apps, top paid apps, top free games, and top paid games for 2019. Usual keynotes from Apple The tech industry is pretty accustomed to Apple’s...

   APPLE,EVENTS     2019-12-04 05:50:15

  JSON unmarshal in GoLang

In almost all mainstream programming languages, there is either built-in or third-party library to support parse JSON data because it is so popular for organizing and transferring data among different services. In GoLang, the built in json package also provides functions for marshalling and unmarshalling JSON data. Marshalling GoLang struct to a JSON string is relatively simple, just need to call json.Marshal(), it's a bit complicated to unmarshal an arbitrary JSON string into a GoLang struct ob...

   GOLANG,JSON,UNMARSHAL,EMPTY INTERFACE     2019-11-09 21:57:30

  Google feels the threat from Samsung

In response to Apple's iOS system, Google and Samsung stood on the same side. But with the increase of market share of Samsung Android devices, Google begins to feel the threat from Samsung.On MWC in Barcelona, a group of business executives said Google increasingly worried about Samsung after a private party. Because its equipment has occupied 40% of the Android devices, which could erode the Google advertising service. Google hopes manufacturers such as HTC and HP can challenge Samsung.It is r...

   Google,Samsung,Android     2013-02-27 21:12:17

  Google Allo - Changing the way people chat

Google released a new smart messaging application a couple of weeks ago -- Google Allo. At first glance, it has no much difference than other mature messaging applications on the market such as What's App, Line, WeChat. It has a concise and easy to use user interface and comes with stickers, doodles, and HUGE emojis & text. But do we really need a new messaging application which is similar to others in most aspects? The answer is MAYBE. From its description, it claims it's a SMAR...

   GOOGLE,AI,GOOGLE ALLO,GOOGLE ASSISTANT     2016-10-03 09:44:51

  Here is what XcodeGhost author says

The first compiler malware in iOS was disclosed by Chinese iOS developers on Wednesday(Beijing time). The name of this malware is XcodeGhost as described by Alibaba researchers who released the analysis of this malware.  The malicious code is located in a Mach-O object file that was repackaged into some versions of Xcode installers. These malicious installers were then uploaded to Baidu’s cloud file sharing service for used by Chinese iOS/OS X developers. Xcode is Apple’s offic...

   IOS,SECURITY,XCODEGHOST,APP STORE,APPLE     2015-09-18 20:51:38

  File upload in PHP

File is a special kind of form data, when being uploaded to the server through HTTP POST request, PHP will create a $_FILES global array, the relevant file information will be stored in this global array. We will illustrate file upload with some code snippets using PHP and look into the internal work mechanism. Lastly will talk about file upload security. File upload In order for users to upload files in client side, we have to provide a form on the user interface. Since the uploaded file is a s...

   File upload,PHP     2012-11-30 22:01:28

  Integer overflow

You may be familiar with integer overflow, but what you may not be familiar with is how gcc handles signed integer overflow. First let's look at the standard, for unsigned integer, the standard says : A computation involving unsigned operands can never overflow, because a result that cannot be represented by the resulting unsigned integer type is reduced modulo the number that is one greater than the largest value that can be represented by the resulting type. In other words, unsigned integer ov...

   Integer overflow,gcc,Linux     2012-10-20 13:33:10

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