SEARCH KEYWORD -- Default arguments
Faster than C
Judging the performance of programming languages, usually C is called the leader, though Fortran is often faster. New programming languages commonly use C as their reference and they are really proud to be only so much slower than C. Few language designer try to beat C. What does it take for a language to be faster than C? Better Aliasing Information Aliasing describes the fact that two references might point to the same memory location. For example, consider the canonical memory copy: void...
C,Performance,Speed,Fortran,Criteria 2012-03-25 09:12:23
What can .htaccess file do?
A .htaccess file is a directory-level configuration file supported by several web servers, that allows for decentralized management of web server configuration. What can a .htaccess file do? We summarized some of them here. Hope it may help you. 1. Timezone settingSometimes when you use date() or mktime() functions in PHP, , it may display some weird information because of the timezone difference. For example, one possible warning is :Warning: date(): It is not safe to rely on the syste...
Workaround size limit of phpMyAdmin import sql file
When doing website development with MySQL, we often need to do database backup and restore. For website, the data in database will grow quickly, so when we back up the database, the size of the generated sql file may be over 80MB which is the max allowed size when we want to import a sql file for restoring our database using phpMyAdmin. To workaround this limit, we need to review the documentation of phpMyAdmin. Fortunately, I found an online article written by David Pratt which gave us a ...
MySQL,phpMySQLAdmin,80M,import,solution,limit 2014-08-14 09:59:27
New features in PHP 5.5
Just a few days ago, the PHP official website was redesigned. It seems we directly go from Web 1.0 era to Web 2.0 era. In addition to this new change, PHP 5.5 was also released. Some new features are added in this release. Here we summarize some of them. Enable OPCache by default When installing PHP 5.5, the Zend OPCache will be compiled as OPCache by default and OPCache is enabled by default. Some changes to the language itself Add Generator function getLinesFromFile($fileName) { if (!$file...
PHP 5.5,New features,Generator 2013-07-05 03:13:22
Should All Web Traffic Be Encrypted?
The prevalence of free, open WiFi has made it rather easy for a WiFi eavesdropper to steal your identity cookie for the websites you visit while you're connected to that WiFi access point. This is something I talked about in Breaking the Web's Cookie Jar. It's difficult to fix without making major changes to the web's infrastructure. In the year since I wrote that, a number of major websites have "solved" the WiFi eavesdropping problem by either making encrypted HTTPS web traffic an accou...
Web traffic,Security,HTTPS.Encryption,Wifi 2012-02-24 05:02:58
Communicating Between Widgets in a Rich Internet Application
As a part of our October Free Dojo Support initiative, we received the following question from Manu Subramanian about how to manage communication between distinct components in a rich internet application: We are building an application with dojo. It does have many inter connected interface parts. For example it does have a top bar with drop down buttons. The menu items opens tabs in a tab controller. In general we need to call functions from different widgets or there are many interconne...
Internet application,Rick internet,Widget,comminucation 2012-03-16 10:49:36
Different types of keystore in Java -- Overview
Keystore is a storage facility to store cryptographic keys and certificates. They are most frequently used in SSL communications to prove the identity of servers and clients. A keystore can be a file or a hardware device. Three are three kinds of entries can be stored in a keystore depending on the types of keystores. The three types of entries are: PrivateKey : This is a type of keys which are used in asymmetric cryptography. It is usually protected with password because of its sensitivity. It ...
JAVA,KEYSTORE,OVERVIEW,JKS,PKCS12,JCEKS,PKCS11,DKS,BKS 2014-08-18 02:09:54
What do people think about IE?
Browser war among major browsers is continuing for a long time since last century. Just a few years ago, Internet Explorer was the most used web browser. But now the situation is completely different, people are making fun of Internet Explorer and switching to other browsers. Today we share some jokes about Internet Explorer, it's just for fun, so grab a cup of coffee and sit down and enjoy. Hmm, is IE so slow? What gun is it? Hmm, I am still one step behind And I am lost. Hey, what is HTML...
How to password protect a Winzip file
Winzip files are great ways of sharing documents and images of large sizes over the web or through email, since their reduced size makes it possible for them to be sent and received. Also, it is easier to manage one attachment than multiple. But what if the file contains sensitive information you don’t want snoopers to see? Simply add a password protection in Winzip. Adding a password will ensure more security and reliability of the transported files. How to add a Password to your Zip Fil...
DATA SECURITY,WINZIP 2019-08-29 11:42:41
New features in Java 9
Java 9 is planned to be released in March 2017. It will be 3 years since Java 8 was released. Are you still excited about the new features introduced in Java 8 such as Lambda, new Date APIs etc? Now Java 9 is to be released and there are also quite a few fantastic new features to be introduced. Below is a list of major new features in Java 9. Modular system. Java 9 will introduce a brand new modular system to organize Java codes. The modular system will divide different packages into diffe...
JAVA,NEW FEATURE,JAVA 9 2016-04-05 09:56:01
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