SEARCH KEYWORD -- Function


  Nokia unveils Lumia 820

Just finishing introducing the latest flagship model Lumia 920 Nokia introduced mid-range Lumia 820 which is equipped with Windows Phone 8The Lumia 820 is equipped with a Qualcomm Snapdragon S4 1.5GHz dual-core CPU, but the screen is 4.3 inch WVGA screen with 800 x 480 pixels, at the same time it is equipped with 8GB memory space and a 8-megapixel rear camera. In addition, users can extend 8 GB more memory space through Windows Phone 8's extension function.Lumia 820's screen adopts Super S...

   Nokia,Lumia 820,Window Phone 8     2012-09-05 19:10:14

  Why TCP needs 3 handshakes

Prerequisite Knowledge First, let's look at the control bits and state machine of TCP, which form the basis for understanding the three-way handshake of TCP. TCP Packet Control Bits The control bits in the TCP packet header are used to control the status of the TCP connection and can indicate various control information such as connection establishment, termination, reset, etc. There are six common control bits: SYN (Synchronize Sequence Numbers): Requests to establish a connection (part of the...

   REASON,NETWORK,TCP,EXPLANATION,HANDSHAKE     2024-09-28 08:57:52

  Why Microsoft chooses Alt+F4 to close a window

For a long time, there is a doubt among lots of Windows users especially those English speaking users, that is why Microsoft chooses Alt+F4 to close a window instead of Alt+Q. Alt+Q is more comfortable to press for many keyboards, also Q represents Quit and it is easier for people to understand. Recently Microsoft answered this doubt. Raymond Chen, longtime Microsoft developer and semi-official Windows historian, said the reason is that not everyone speaks English. It d...

   WINDOWS,MICROSOFT,HISTORY,ALT+F4     2016-02-23 09:56:41

  Understand more about Go basics with one interview question

First, let's take a look at below Go interview question: package main const s = "Go101.org" // len(s) == 9 // 1 << 9 == 512 // 512 / 128 == 4 var a byte = 1 << len(s) / 128 var b byte = 1 << len(s[:]) / 128 func main() { println(a, b) } What would be the output in your mind? The output would be 4 0. Surprising? Before getting to the output values, some concepts in Go need to be introduced and explained in more detail. len()  len() is a built-in function in Go to get t...

   GOLANG,CONSTANT,SHIFT OPERATION,LEN()     2020-10-10 02:52:19

  Let's talk about JavaScript deep clone

In JavaScript, deep clone means creating a brand new object that includes all nested objects, with all properties being completely independent copies. This is different from shallow copying, which only copies the first-level properties, with nested objects being referenced rather than copied. There are multiple ways to perform deep copying in JavaScript, but the best one to use depends on the specific use case. Can use JSON.parse & JSON.stringify? ❌ JSON.parse(JSON.stringify(obj)) is a dep...

   JAVASCRIPT,DEEP CLONE     2023-02-25 08:57:11

  SQLite C/C++ function interfaces

Some simple introduction to the SQLite function interfaces. First let's check some error codes defined in SQLite3 (They are in SQLite3.h file in the SQLite installation).#define SQLITE_OK           0   /* Successful result */  /* beginning-of-error-codes */  #define SQLITE_ERROR        1   /* SQL error or missing database */  #define SQLITE_INTERNAL     2&nb...

   SQLite,Function interface,C/C++     2012-07-04 12:23:43

  JS code to check different mobile devices

Today I come across a code snippet which uses JavaScript to check different mobile devices and then loads different CSS files accordingly. As we know that there are mobile devices with different screen sizes, it's always troublesome for web developers to develop cross browser and cross device compatible codes. Hope this one can help those who develop web apps on mobile devices. // Check whether it's a mobile device // wukong.name 20130716 if(/AppleWebKit.*Mobile/i.test(navigator.userAgent) || (...

   JavaScript,Mobile device,Detection     2013-11-28 05:25:10

  How to Create Dynamic PDF with Image and Content in Asp.Net Development?

Aegissofttech .net developers are specialized in developing real time web applications. While working on one of such real time web app development projects, our asp.net development team discovered an easy way to create PDF template from user inputs. The developers used Java Script and web service to accomplish PDF template development. To learn how to develop these dynamic PDF with content and graphics, you can follow the below tutorial. In real time web applications, we often require to generat...

   asp.net development,     2015-04-27 01:11:40

  Shell script common interview questions

Shell script is frequently used when monitoring system status on Linux. It's not an easy task to write shell script but it's a very important skill for developers and system administrators to ease work and automate common tasks. This post will share some common interview questions about shell script. 1. Get random characters(8 characters) Method 1 # echo $RANDOM |md5sum |cut -c 1-8 471b94f2 Method 2 # openssl rand -base64 4 vg3BEg== Method 3 # cat /proc/sys/kernel/random/uuid |cut -c 1-8 ed...

   LINUX,INTERVIEW,SHELL SCRIPT     2018-09-28 10:46:00

  WeChat 5.0 is coming soon

WeChat 5.01 now is available on App Store, but on Android, you still need to wait for some more time. If you want to experiment with new features of WeChat 5.0 now and you are using Android, you can request a beta version of WeChat 5.0 through here .Let's check out the new features first. WeChat 5.0 adopts the popular flat design, it focus on game platform. Main features are: You can play games with friends in game center Add bank account to pay with WeChat New bookmark function, you can bookm...

   WeChat 5.0,New fetuares     2013-08-04 22:42:45

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