Posts related to programming in Java/PHP and related frameworks and problems faced while developing applications/websites.
We can get the client timezone using javascript. First we can get the time offset from client browser, and set it in a cookie. Than we will access that cookie in our java code, and get the timezone based on that offset. We will use this timezone in trininad-config.xml trininad-config.xml settings for getting timezone Than … [Read more…]
Sometimes new Megento users keep wondering how to add Category Navigation Links/Tree on the homepage. For this you have to add atleast one subcategory in “default root category” Select Catalog->Manage Categories Click on “default category” Select Add Subcategory button on top Make sure to select “Yes” for isActive and “Include in Navigation Menu”
You might notice these errors often if you are working with large size objects:- Fatal error: Allowed memory size of 33554432 bytes exhausted Fatal error: Allowed memory size of 134217728 bytes exhausted You can try to increase the memory_limit by adding this statement in your php.ini file:- ini_set(“memory_limit”, “256M”); However you can still get the … [Read more…]
To Fix this error you most probably have to install mbstring extension for php. From your server command line as root: yum install php-mbstring And restart apache: service httpd restart Things should be fine then, if it still does not work then you might need to enable mbstring extension in your php.ini file(generally found in … [Read more…]
While using preg_match_all function in php, i came across this issue of Compilation Failed. On executing preg_match_all(‘/<div>(?<product>.*)</li>/sU’, $body, $matches) I got the following error: PHP Warning: preg_match_all(): Compilation failed: unrecognized character after (?< at offset 32 in … This is probably you are having old version of pcre (for me it was 6.6-6) which needs … [Read more…]
A famous interview question for php:- What to use to initialize a string in php ? Single quotes(‘) or Double quotes(“) ? You should know the difference between these two, for e.g. $website = “http://www.ankurgupta.com/blog”; $doubleQuoteStr = “I love $website”; $singleQuoteStr = ‘I love $website’; echo $doubleQuoteStr; echo $singleQuoteStr; Output to above php script will … [Read more…]
If you are working on a java project, and are using freemarker template language (FTL) for front end, you would have noticed the default editor doesn’t show any ftl tags in different colors, or autocomplete them. If you are looking for a good editor for eclipse with FTL support, JBoss Tools may be of some … [Read more…]
I was trying to use free marker template language with struts. I was using struts 2.2.3 version, FTL was working fine when i was not using any assignment directive to use struts tags lib. But when i added the following line to my FTL file <#assign s=JspTaglibs[“/WEB-INF/struts-tags.tld”]> i got the exception ClassNotFoundException: org.apache.struts2.views.jsp.ui.AutocompleterTag When i … [Read more…]
I was trying to build a project using maven. In middle of the build i got this error java.lang.OutOfMemoryError: PermGen space To solve this problem, just set your maven_opts to raise the memory for this process. for e.g. export MAVEN_OPTS=”-Xmx512M -XX:MaxPermSize=512M” and the problem will be solved. 🙂
Edit the httpd.conf file residing in <Apache Installation location>/conf folder, and add a directive for SSI include. Add the code below in httpd.conf file with correct directory path <Directory C:Apache2.2htdocsinclude> Options +Includes AddType text/html .shtml AddHandler server-parsed .shtml </Directory> All files in the C:Apache2.2htdocsinclude directory that contain a .shtml extension get parsed by Apache before … [Read more…]