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Storing your images in your table's blob field and displaying that stored images.

Updated about a month ago by sirin kHow-tos7 comments – viewed 24,888 times – ( +9 / -1 ) – version 1.1
He im giving you a very simple example ie how you can store an image to your blob field in a table.Hope you already familiar with the normal image upload.
tags: blob, image

Solution for session lose of Facebook iframe application in Internet Explorer .

Updated about a month ago by sirin kTips0 comments – viewed 6,480 times – ( +2 ) – version 1.1
Facebook iframe app’s session is losing in Internet Explorer when doing a second redirection inside the facebook iframe app.The main reason is ,by default IE wont allow cookies in its priavacy settings If cookies not available means session is also not available for our Facebook iframe app in IE.

mysql performance tip

Updated about a month ago by sirin kTips2 comments – viewed 7,960 times – ( +2 / -1 ) – version 1.1
When we are doing an insert of huge no.of rows into an SQL table ,Normally we will try to write separate insert quries this may lead us to a long duration of execution time and we can increase the speed of executing SQL quries by adding all the rows into a single insert query.
tags: mysql

Importing CSV file to mysql table using "LOAD DATA" command.

Updated about a month ago by sirin kTips5 comments – viewed 35,610 times – ( +7 ) – version 1.1
hi, Here i am giving you some simple step to import huge data from a csv file to your mysql table.this is useful when you have a very huge data to import from csv format.
tags: csv, mysql, import

Get notified about the status of a Facebook user in your web app using periodic Ajax calls.

Updated about a month ago by sirin kTips0 comments – viewed 5,778 times – ( +4 ) – version 1.1
hello, This article is helpful only if you have the following situation: A web app which uses facebook login to login its users and if a user is logged out from his/her facebook account through another browser tab, then your app dont know that he is logged out out or not from his facebook account and he/she will remain as logged in your web application.Its ok if you have no problem with this situation.But if you want to forcefully logout the user from your application if he is logged out from his facebook account means you can try this example.This example uses periodic ajax calls to facebook's graph api to check whether the user is logged in or not.
tags: facebook, user

Facebook DeAuthorize callback URL and its response data.

Updated about a month ago by sirin kTutorials1 comment – viewed 9,683 times – ( +3 ) – version 1.1
Facebook Deauthorize callback is used to getting notification to the app owner when a user uninstall our app from their fan page or profile.
tags: facebook

Displaying image in a CGridView column.

Updated about a month ago by sirin kHow-tos5 comments – viewed 50,680 times – ( +13 / -1 ) – version 1.1
This is a simple example of how we can display images in CGridviews.Imagine that you have an image field in your table ie either a location field or a blob type field used to store the images.
tags: CGridView, image

Building a REST API in Yii2.0

Updated about a month ago by sirin kTutorials5 comments – viewed 27,168 times – ( +4 ) – version 2.0
This is wiki page is useful if you are trying to build a customized REST API in Yii2.0
tags: yii2.0, REST API

An important tip when you are using CArrayDataProvider.

Updated about a month ago by sirin kTips0 comments – viewed 8,710 times – ( +8 / -1 ) – version 1.1
Yii ‘s CArrayDataProvider is very helpful to display model relation data's directly on it.But it is truely a confusing one because by default it will assume a table field named “id” as primary key for its pagination purpose and what if you dont have field named “id” as primary key on your table? so its truely confusing and if you tried to display without an “id” field on ur table you will get an error like “yourmodel.id is not defined”.

Ajax form submiting in Yii

Updated about a month ago by sirin kTutorials8 comments – viewed 98,726 times – ( +13 / -5 ) – version 1.1
hi guys, Here I'm going to give you a working example of ajax form submiting in Yii.