SEARCH KEYWORD -- Problem solving


  Some lovely software design quotes

  Every time when I read technical books, I like reading the quote of a famous person at the start of a chapter(if any), usually they are very interesting. Here is a collection of famous quotes. Life’s too short to build something nobody wants – Ash Maurya, Running Lean author Give someone a program, you frustrate them for a day; teach them how to program, you frustrate them for a lifetime. – David Leinweber There are two ways of constructing a software design: One way is...

   Quote,Software design     2012-10-13 09:13:34

  Microsoft is attacking iPad again

Microsoft recently released a new advertisement on YouTube which attacked iPad. It aimed to show that iPad had a poorer performance in the classroom than Windows Tablet.Steve Jobs once said that iPad could liberate student's shoulder, students no longer need to carry their heavy school bags to the class. But from Microsoft's perspective, although iPad is lighter than student's school bag, the problem is that its performance in the classroom is not so satisfying. In Microsoft's advertisement, af...

   Windows 8,iPad,Advertisement     2013-08-20 05:14:29

  Algorithm : Delete middle node from singly linked list

Questions about singly linked list are frequently asked during technical interviews. Today we will share with you one algorithm question about singly linked list. Here is the problem description. Assuming the only information you are giving is there is a pointer to a middle node of a singly linked list, no other information about the linked list is given. Please delete this node and don't affect the structure of the linked list. Initially you may think this question is easy if you know the hea...

   ALGORITHM,C,LINKED LIST     2015-10-30 05:21:25

  Expectations, Desperation And Anticipation All You Need To Know About iOS 9.3

With so much anticipation filled among the audience, iOS 9.3 on contrary came out to be as a blooper. All the users were filled with a lot of enthusiasm about the latest advancements in the software, but the final release went to several crest and troughs. iOS 9.3 was quite important for the users when it comes to mobile OS update, however this did not go as it was expected to be for the iOS. The latest software in some cases is locking users. Along with the users this has also creased the eye ...

   IPHONE APP DEVELOPMENT,IPHONE APP DEVELOPER,IOS DEVELOPER,IOS APP DEVELOPMENT,IPHONE APP DEVELOPERS     2016-04-11 03:05:15

  The Problem with Random Numbers

Today, let's talk about how to generate true random numbers. This is an extremely difficult problem, but it involves some very interesting content. First of all, the random numbers provided by programming languages are pseudo-random numbers.  The V8 engine’s official website has an article that particularly reminds everyone of this point. The built-in random numbers are not true random numbers but pseudo-random numbers. Math.random() returns a Number value with po...

   RANDOM NUMBER,TRUE RANDOM,PSEUDO RANDOM,HISTORY     2024-06-21 21:09:14

  var in JavaScript

Geoff published an article sometime ago--"How one missing var ruined our launch". This article described one case where MelonCard uses Node.js as their backend system, suddenly there was a small registration peak period--50-100 people registered concurrently, then the entire website stopped responding and many other strange problems showed up. When they were investigating the source of the problem, they found one missing var in the following code.app.all(‘/apps/:user_id/status’, fun...

   JavaScript,Scope,variable     2012-05-26 12:35:36

  Get Facebook, Twitter and YouTube back

Facebook, Twitter and YouTube have become part of many people's daily network life. People hang around these sites to network with known and unknown friends, to know about the latest news and to relax with fancy video clips. But what will you feel if all of a sudden you cannot access them? Want to experience this? Go behind the GFW(Great Firewall) of China. Just a joke, but it's real. Huh, you are out of China? Don't worry. Change your DNS server to those located in China. I just experienced it,...

   DNS spoofing, GFW, YouTube, 37.61.54.158     2014-12-20 21:41:34

  What can CSS :has pseudo class be used for?

CSS's :has is a pseudo-class representing an element if any of the selectors passed as parameters matching at least one element. From the name, it's also easy to understand how it matches elements. The syntax is pretty easy as well: :has([some-selector]) With this pseudo class, it can do lots of things which previously would be challenging or need tweaking the DOM elements with JavaScript. This post will demonstrate what :has can be used for. Introduction Below are a few simple ex...

   CSS,:HAS,:NOT,PSEUDO CLASS     2022-09-18 01:40:54

  Lots of Chinese users experienced Samsung phone crashes

Starting from 23 May morning(Beijing time), lots of Samsung phone users in China suddenly experienced system crashes and couldn't use the phone anymore.   The symptoms the users saw were that the phone started to restart infinitely and the screen turned into dark screen and nothing can be done to get it recovered. Based on the reports, the impacted models include Samsung Galaxy S8, S9, S10 and S20 series,  Other models don't receive many reports yet. After receiving the reports,...

   SAMSUNG,SAMSUNG GALAXY,SYSTEM CRASH,AUTO UPDATE,NEWS     2020-05-23 05:23:55

  CSS Overflow Property Utilization

Sometimes when we do CSS on HTML elements. We may want to hide some text when the text in a specified box overflows. Usually, we can use a CSS property overflow:hidden to hide the text so that the format of the whole element will not be affected. But will it always work? I believe some of us may encounter problems when we want to hide some text in a table td cell with specified width. If we use td { overflow:hidden;}, it is supposed to hide the text if the text in a td cell overflows. But the fa...

   CSS,Overflow,TD,Cell,Hidden     2014-10-21 08:24:48

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