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How to have conditional elements and keep DRY with Facebook React's JSX?
How do I optionally include an element in JSX? Here is an example using a banner that should be in the component if it has been passed in. What I want to avoid is having to duplicate HTML tags in the if statement.
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How to check existence of user-define table type in SQL Server 2008?
I have a user-defined table type. I want to check it's existence before editing in a patch using OBJECT_ID(name, type) function.
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How to conditionally push an item in an observable array?
...ervableArray , but only if the item is not already present. Is there any "find" function or recommended pattern for achieving this in KnockoutJS?
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How to get last N records with activerecord?
With :limit in query, I will get first N records. What is the easiest way to get last N records?
14 Answers
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Getting the ID of the element that fired an event
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In jQuery event.target always refers to the element that triggered the event, where event is the parameter passed to the function. http://api.jquery.com/category/events/event-object/
$(document).ready(function() {
$("a")...
PHP Session Fixation / Hijacking
I'm trying to understand more about PHP Session Fixation and hijacking and how to prevent these problems. I've been reading the following two articles on Chris Shiflett's website:
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How to store arrays in MySQL?
I have two tables in MySQL. Table Person has the following columns:
7 Answers
7
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How to find duplicates in 2 columns not 1
I have a MySQL database table with two columns that interest me. Individually they can each have duplicates, but they should never have a duplicate of BOTH of them having the same value.
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Best Practice: Access form elements by HTML id or name attribute?
...avaScript developer knows, there are many (too many) ways to do the same thing. For example, say you have a text field as follows:
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Can I use view pager with views (not with fragments)
I am using ViewPager for swiping between Fragments , but can I use ViewPager to swipe between Views simple XML layout?
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