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Ibrahim Diallo

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2013

April

How much does your idea cost?

How much does your idea cost?

I wish i could tell you that ideas don't matter and it is execution that makes a difference. Then I could show you all kind of data to prove my point. But that's not what I am here for. Actually I can't even give you my own example because I cannot speak from experience.

JavaScript, how do I check if this variable is an array

JavaScript, how do I check if this variable is an array

It is common to run functions that return results in JavaScript. With JavaScript being loosely typed, the returned value can be of any data type. In case it is returning an array, there isn't an obvious way to detect it, because arrays are also objects.

Alexa rankings

Alexa rankings

What does alexa ranking mean? I never understood how it actually works. At least google scrape websites, and serve them in the search results, they can count which website gets the most clicks, and also find who is linking to who. The same goes for bing and other search engines. But for alexa it is different, and very limited.

Why you shouldn't take user feedback seriously

Why you shouldn't take user feedback seriously

When big websites make redesigns, add new features or remove some, they ask their users for feedback but ignore almost all of them. I always wondered why. It can end in two ways the user gets frustrated and leave or he simply gets used to it and and stops complaining.

Using MySQLi and PDO instead of MySQL_*

Using MySQLi and PDO instead of MySQL_*

It is time to deal with mysql_* functions once and for all. These methods are deprecated and slow. The time to upgrade has long passed yet we still see it everywhere. Since I cannot force every author to update their tutorial and blogs, I decided to write a post to hopefully rank better and provide the essential information to help new comers.

JS Tip of the day

Calling a function out of scope

With the advent of jQuery, coding in JavaScript became accessible to almost everybody. But with it came some very fundamental errors that could have been avoide…

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