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    Lessons learned from PhoneGap (Cordova) and jQueryMobile on Android

    I recently created my first Android app – JustTodo. This is a simple app but took considerable time to finish due many unexpected problems. Google wasn’t too helpful either. Here is a list of issues I faced and their solutions I discovered. General tips Zooming and Scaling I presume that you have already encountered suggestions […]

  • Emperor's Old Clothes

    The Emperor’s Old Clothes

    This is a republication from ACM’s archive of Prof. C. A. R. Hoare‘s lecture at 1980 ACM Turning Award. Prof. Hoare is popularly known for inventing QuickSort. The original piece can be found as PDF here. The primary reason for republishing this is the source PDF’s fonts. The PDF fonts are too horrible to read. […]

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    Django-Select2: Select2 for Django

    Select2 Select2 is an excellent Javascript framework which transforms mundane <select> fields to cool looking and searchable. This is a very handy when there are quite a number of options to select from. Select2 also allows dynamic fetching of options from server via Ajax. Select2′s webpage has a neat demo of this. Django-Select2 Django includes […]

  • Oracle

    ADF Super Code Snippets

    Oracle’s ADF (Application Developer Framework) is J2EE technology stack to rapidly develop enterprise applications. As with all enterprise applications, ADF focuses on data handling and makes it quite easy to present the data to the users in variety of ways. As you will already know that ADF is a blanket term which encompasses many layers […]

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Protected: Bliffoscope – The coding problem

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Create a Tag field using Django-Select2.

The excellent framework – Select2, have had support for tags for a long time, but Django-Select2 lacked that, until now (version 4.2.0). Tag fields are very much like any multiple value input field except that it allows users to enter values which does not exist in the backing model. So, that the users can add […]

Find one’s complement of a decimal number.

One’s complement of a binary number \(1001_{2}\) is \(0110_{2}\). That is, we simply flip the bits. This is easy to do in binary. However, if the number is in base 10, then do we do that. Convert that to base 2 then flip the bits and change it back to base 2? Maybe, but if […]

How to register your Aadhaar number with your bank (ICICI) without the physical Aadhar card

If you are one of those unfortunates who need to register their Aadhaar number with your bank to get LPG gas subsidy, but you lost your Aadhaar card or did not receive that, then read on… About two years back I enrolled for Aadhaar. I never received that, but I did not bother checking, since […]

Securing the WordPress Login page

Of late I have seen quite a lot of brute force attempts to login into the admin account of this blog. The source IPs are wide and varied, ranging from Istanbul, Germany, Greece, US and more. In fact according to ArsTechnica article this has been happening for sometime now on a huge scale. I see a […]

Process to get new LPG gas connection

There are no silver bullets but it is better to know the process to avoid harassment. I recently got Indane LPG gas after making rounds of their office for about a month. Most of these was due to the lack of info. SO, here you go. First step is you need to get the KYC […]

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