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  SD Cards: Why Order Them In A Bulk?

Backing up important data is an undeniable aspect of the technologically advanced modern world. Be it photographs, videos, movies or other significant data, they all need to be stored properly for future use.  SD card or Secure Digital card is one such device that will help store all the relevant materials securely. As the name suggests, it secures all digital data. To understand why we should order bulk SD cards, we need to know why they are so beneficial.  They are extremely compact,...

   HARDWARE,SDCARD     2019-10-10 10:43:27

  Kodiak PHP can run PHP codes offline on iPad

In the eyes of the vast majority of application developers, iPad is the terminal equipment for running code, rather than the tool used to write code. However, there are some applications developers finding iPad's potential to develop a wide variety of programming applications with some applications, such as Diet Coda, Koder, Gusto and so on. The family of applications for writing applications has added a new member -  Kodiak PHP. This application runs on iPad, it can be used to develop PHP ...

   Kodiak PHP, rogramming,iPad     2012-09-24 11:54:08

  How to optimize MySQL insert statement

For a big data system, one problem is the data access efficiency, one more problem is that the data insertion is very slow. We had a service system, the data loading process would take 4-5 hours. This time consuming operation is risky since if the program is interrupted during the loading process, it might be rerun, this will be troublesome. So it's necessary to improve the insertion efficiency for big data systems. Here we provide two optimization suggestions. 1. Combine multiple insert stateme...

   MySQL,insert,optimization     2012-10-24 22:03:13

  Resolve git issue git@github.com: Permission denied (publickey)

Sometimes when clone a remote repository from github.com, you may see below error. D:\Project\Playground\GitBisect>git clone git@github.com:bradleyboy/bisectercise.git Cloning into 'bisectercise'... git@github.com: Permission denied (publickey). fatal: Could not read from remote repository. Please make sure you have the correct access rights and the repository exists. The issue occurs when there is no key on your machine which is associated with your github account. To fix the issue, please ...

   GIT,GITHUB,PERMISSION DENIED,PUBLIC KEY     2019-07-12 10:10:49

  HeartBleed: Should C be blamed for the HeartBleed bug?

There is a discussion about the security of applications written in C on Hacker News recently after the report of HeartBleed bug in OpenSSL. In this discussion, some people are saying that the applications written in C are unsafe. It seems all or most of the faults should be laid on C. I think this is biased. The language itself should not be blamed.Safety is a relative term for programming languages. No language is absolutely safe. We claim some languages like Java and C# are safer than C/C++ b...

   C,HeartBleed,Analysis,Code review     2014-04-14 03:52:55

  Top rules you can't afford to miss while developing a Magento website

A powerful and attractive website has become a vital necessity of every online entrepreneur. Whether its about boosting the inflow of customers or enhancing the overall profitability of your business, a good website can do all the hardwork. The growing demand and popularity of Magento development services has made online merchants switch to Magento for promoting their business products and services via the internet. As a website creator, it is absolutely essential for you to consider some basic...

   Magento development service, offshore Magento development, outsource Magento development, Magento de     2015-06-19 04:21:55

  What is the use of empty struct in GoLang

In Go, an empty struct struct{} is a struct with no fields that may appear to be of little use, but in reality, it can be useful in certain situations and become a simple and efficient solution in code. As a semaphore or lock Because the empty struct has no fields, it can be conveniently used to implement some concurrency control functions, such as mutex locks, read-write locks. We can use chan struct{} to implement an unbuffered channel for controlling concurrent access. package main import ( ...

   GOLANG,EMPTY STRUCT     2024-04-05 23:54:03

  ConcurrentHashMap vs Collections.synchronizedMap()

ConcurrentHashMap and Collections.synchronizedMap() both provide thread-safe operations of collections of data. They are used in multithreaded programs to provide both thread safety and performance improvements. In many cases, we can use either of them. But the realization of thread safety is different for these two implementations. ConcurrentHashMap will create an HashEntry[] array internally to store the elements passed in from a Map, while Collections.synchronizedMap() will return a Synchroni...

   ConcurrentHashMap,Collections.synchronizedMap     2014-09-18 05:04:59

  Mark Zuckerberg delivered his first Chinese speech in Beijing

Facebook founder and CEO Mark Zuckerberg delivered a speech in Chinese at "Tringhua Students Dialogue with Board Members" on Oct 24, 2015 in Tsinghua University, Beijing. This is the first time he used Chinese throughout the whole speech. Though his Chinese is not that fluent, his hard work on learning Chinese is well appreciated.  In this speech, he shared three stories : mission, care and looking ahead. Mission You have to believe in your mission. When you have a mission, it will help yo...

   CHINESE,TSINGHUA,FACEBOOK,MARK ZUCKERBERG     2015-10-24 21:42:04

  JavaScript tips both novice and veteran developers can benefit from

In this post, we will share some less known but powerful JavaScript tips which can benefit both novice and veteran JavaScript developers. 1. Truncate array with array length We all know that object are passed by reference in JavaScript, but we may be bitten by this rule. Please check below example: var arr1 = arr2 = [1, 2, 3]; //Change arr1 arr1 = []; // arr2 will still be [1,2,3] arr1 and arr2 point to the same array [1,2,3] initially, later when arr1 repoints to [], the reference to arr2 is n...

   JavaScript,Array,push     2013-08-21 04:09:10

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