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  Why using + to concatenate string in Java loop is not a good option

String concatenation is a common operation in Java programming. It is to concatenate multiple strings into a single string. Java provides a String class which is an immutable class which means the object cannot be mutated once instantiated. Once a String object is instantiated, its properties cannot be changed anymore, so when concatenating strings, it's actually create a new String instance to store the concatenated string values. For example, below is a simple string concatenation example. Str...

   JAVA,STRING,JAVA 8     2019-01-18 22:07:12

  Mobile payment status quo in Singapore

Currently there are lots of mobile payment companies operating in Singapore, these players include GrabPay(a subsidiary of Grab), AliPay, WeChat Pay, Fave Pay, NETS Pay and some others. In some hawker centers, you can see QR code from different companies. This brings lots of benefits to users. But this introduces a big headache to consumers as they have to download different apps to use in different merchants. There is no dominating mobile payment company in Singapore though there are a few lead...

   SINGAPORE,GRAB,GRABPAY,ALIPAY     2019-02-27 07:19:49

  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

  Why do business analysts and project managers get higher salaries than programmers?

People get paid less than their employers' "reservation price" (the most they would ever pay), and more than their "marginal product" (the least they would ever work for). Your actual pay on that spectrum is based on your bargaining power, relative to your employer.Say your services to your company are worth $1000 a day. Under the gun, he would pay you that if he had no other choice. Say you would work for $100 a day if you had no other options. That's your range.Say you're new and independent a...

   Programmer,Program manager,Salary,Difference,Bargain power,Economic     2011-11-21 03:06:30

  Where do software engineers get highest pay?

According to Tencent Tech, Tech companies are generous to engineers is not a secret because there is a lack of excellent engineers. These companies are willing to pay high salary and provide attractive welfare to attract these talented people. Recently, a list of companies which pay highest average salary to software engineers is published. The interesting thing is Apple, Google or Facebook is not the company which pays highest. Then which one? The answer is Juniper. The average salary in Junipe...

   Software engineer,Salary,Juniper     2013-04-12 21:06:52

  Jack Ma speaks within the company's intranet post PDD earnings report

On November 28th, PinDuoDuo(PDD) released its financial report for the third quarter of 2023, ending on September 30th. The revenue for the third quarter was 688.4 billion RMB, showing a year-on-year growth of 93.9%. The net profit, according to the U.S. General Accounting Standards, reached 15.54 billion RMB, with a net profit margin of 22.6%. PDD attributed its overall positive performance to the accelerated recovery of the consumer market and the vigorous implementation of its "high-qual...

   PDD,JACK MA,ALIBABA     2023-11-29 06:02:09

  Australian software engineer got asked algorithm question when entering US

The whole world knows that security and background checks get tighten for people to enter US since Donald Trump took office. But have you ever heard about getting algorithm question asked during the immigration check interview while entering United States? Recently an Australian software engineer David Thornton had such an experience when he tried to enter US. (Image from kaytlentravels.wordpress.com) David is a software engineer from Sydney and he is a 24-year-old studied computer sci...

   NEWS,DONALD TRUMP,UNITED STATES     2017-03-04 12:07:54

  A collection of color schemes for some famous websites in China

Each website has a color scheme which identifies itself. By looking at one color, we can know which website it is for. These color schemes can be identified from their logos, nav-bars, background etc. We collect some color schemes for some famous Chinese websites. Alibaba (#f90)   Baidu (#0000cc)   Huawei (#e30a12)   HTC (#69b40f)   JD (#c91623)   Renren (#105ba3)   Sina (#e4351e)   Sohu (#fdd000)   Taobao (#ff4400)   Tencent (#0397de)   Tmall (#...

   Website,Color scheme,China     2013-08-21 12:32:14

  Pay Your Programmers $200/hour

If you are hiring programmers, you should pay them $200/hr. This breaks through otherwise impenetrable psychological barriers, helps solve the agency problem, and ensures you are only hiring programmers when you really need them. Expectations $200/hr is an open declaration of your expectations. It states that you are expecting to hire both a professional and an expert in the field. As a programmer, I treat contracts that pay me $200/hr differently from jobs/contracts that pay me $65/hr eq...

   Salary,Programmer,Responsibility,Urgency,Value     2011-12-31 15:34:57

  SkyDrive may be banned on App Store

Apple App Store may block Microsoft SkyDrive, because Microsoft is not willing to pay for SkyDrive to be on App Store.According to App Store agreement, 30% income of an app on App Store should be paid to Apple, However, Microsoft said it was difficult for them to accept it.SkyDrive provides users with 7GB of free storage space, after which the user should pay for extra storage space up to 100 GB. Apple insists that 30% of sales of SkyDrive storage space should be paid to Apple, Microsoft thinks...

   App Store, SkyDrive,Ban     2012-12-11 13:41:11

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