SEARCH KEYWORD -- CSDN
TIOBE : C overtakes Java as the No.1 programming language
TIOBE has released the Programming Community Index for April 2012. The highlight of this month is that C overtakes Java as the No.1 programming language again. C language is liked by more and more developers of all ages. Due to the growing popularity of the Android platform, Java decline will not be obvious. Previously Java took a very long time to overtake C, now C once again returns to the throne. The battle between these two languages will continue.The top three are respectively, C, Jav...
Google releases new app to improve the accuracy of indoor positioning
Google Maps, Bing Maps, and some map providers have offered indoor map service such as in the airport, major shopping malls and stadiums for some time. The problem is that these indoor maps can not precisely tell you which floor you are on a map, the GPS obviously can not work very well in this environment, WiFi and GPRS positioning is not very precise. Google announced the improvement program of Google Maps for accurate indoor positioning. The current owners of these places will cooperat...
Google Map,Indoor service,Positioning 2012-04-08 09:46:53
IDC report shows developers are losing ineterst in Android development
IDC's latest report shows that: the development interest in Android Phones and Android iPad has been dropping steadily. 1869 developers participated in this survey.In this quarter, the development interest in Android phone applications fell by 4.7%, down to 78.6%; the development interest in Android iPad applications fell by 2.2%, down to 65.9%. Although the survey result may not be so accurate, it still shows a trend : Although sales of Android devices is growing, it is still unable to re...
Android,Developemnt interest,IDC,HTML5 2012-04-09 06:26:18
Which one cost more in development : Android vs iOS
As for which platform has more development cost, there are many different views. Using Android we no need to spend money on an expensive Mac computer, iOS test machine and $99 year fee for each developer account. While developing iOS apps does not require much testing, screen adaption, debug and script compatibility considerations. Let's see a few views shared by some developers. Nan Li, ERP/SAP/Mobile network/Japan/Apple/KKK@ifanr Because of the performance of iOS, it actually has domina...
Android,iOS,Development cost,Comparison 2012-03-23 13:39:48
Facebook open sources its C++ library named Folly
Recently, Facebook open sourced its low level C++ function library for its internal use named Folly. Folly is an open sourced C++11 component library, it provides functions similar to what boost and std libraries provide, including string, vector and memory allocation, bit operation etc, to fulfill large scale high performance requirements.Currently Folly is tested with gcc4.6 on some 64 bit systems such as Fedora 17, Ubuntu 12.04 and Debian wheezy, it may also be OK on other 64 bit platforms wi...
Facebook,Folly,C++,open source 2012-06-05 08:31:12
Microsoft is going to redesign Bing again
On 10 May,2012, Microsoft announces in San Francisco they will redesign its search engine Bing, and it will cooperate with Facebook, Twitter etc to build a new search service.Bing now is the second largest search engine in the world, but compared to Google, Bing is always the second city of search. Bing these years has always been putting effort on improving its service and the accuracy of search results. Unfortunately, it still cannot gain market share from Google. Today, Microsoft is goi...
Bing,Social network,Integration,Sidebar 2012-05-11 05:26:11
How MySQL optmizes ORDER BY
In some situations, MySQL will just use an index to fulfill the requirement of an ORDER BY or GROUP BY statement without extra sorting. Although ORDER BY will not have the exact match with index, index can still be used as long as the portion that is not included in the index is included in the where clause. The following queries will all use index to process the ORDER BY or GROUP BY part: SELECT * FROM t1 ORDER BY key_part1,key_part2,... ;SELECT * FROM t1 WHERE key_part1=constant ORDER BY key_p...
MySQL,index,ORDER BY,optimization 2012-11-13 11:01:05
A C++ program puzzle
Recently I came across a question asked by wang2191195 on a Chinese IT forum CSDN which asks about a C++ program puzzle. He has a code snippet which cannot be compiled. The code is:#include <cstdlib> #include <iostream> using namespace std; class Base{ public: virtual void func(){ cout << "Base::func()" << endl; } virtual int func( int num ){ cout << "Base::func( int " << num << " )" << endl; return 0; ...
How to help new joiners involve in projects
Usually when a new joiner involves in a new project, he will spend much time on understanding the background of the project, the current status of the project and the requirements of the project etc. It is very easy for them to get lost in this stage. So to effectively help them involve in the project, we need have some people guiding them, giving them some useful instructions. What should we do to help them? Here are some steps I take.1. Project backgroundIn this phase, I will introduce to them...
New joiner,Experience 2012-05-05 11:06:18
Path gets another $40miliion investment
Social network website Path may officially announce today that it has completed its funding round B. According to sources, Red Point led this round of funding of $ 40 million. In addition, Path's market value is estimated about $ 250 million.Path was established in November 2010, there are currently over 2 million registered users. The company's slogan "Path to help you easily share with friends Life". Path call themselves "private social network" because Path is based on e-mail addr...
Path,Social network,Funding round 2012-04-17 06:50:10
RECENT
- Tips for Socializing With Friends During College
- Proximity Cards Do More Than Just Open Doors
- How to choose quality painted auto parts
- Oval engagement rings from MoonOcean: Elegance of form and individual approach
- Hologres vs AWS Redshift
- GoLand connect to Hologres
- A journey to investigate a goroutine leakage case
- Understanding Slice Behavior in Go
- Breaking Barriers: How 3D Printing is Democratizing Product Development
- The Power of Efficiency: 10 Practical Energy-Saving Tips for Tech Startups
- more>>