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What is the best way to compute trending topics or tags?
Many sites offer some statistics like "The hottest topics in the last 24h". For example, Topix.com shows this in its section "News Trends". There, you can see the topics which have the fastest growing number of mentions.
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MySQL: What's the difference between float and double?
...m floating point numbers and decimal (numeric) numbers, which you can use with the DECIMAL data type. This is used to store exact numeric data values, unlike floating point numbers, where it is important to preserve exact precision, for example with monetary data.
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After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31
...er here:
http://www.adam-bien.com/roller/abien/entry/java_se_development_kit_7
You should use JAVA_HOME=$(/usr/libexec/java_home) instead on a Mac and then set the current jdk via "Java Preferences.app".
Set JAVA_HOME in ~/.profile
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uint8_t vs unsigned char
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It documents your intent - you will be storing small numbers, rather than a character.
Also it looks nicer if you're using other typedefs such as uint16_t or int32_t.
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No Swipe Back when hiding Navigation Bar in UINavigationController
I love the swipe pack thats inherited from embedding your views in a UINavigationController . Unfortunately i cannot seem to find a way to hide the NavigationBar but still have the touch pan swipe back gesture . I can write custom gestures but I prefer not to and to rely on the UINavigationCo...
Recommendations of Python REST (web services) framework? [closed]
...s of different Python-based REST frameworks for use on the serverside to write your own RESTful APIs? Preferably with pros and cons.
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How can I detect if the user is on localhost in PHP?
...ds, how can I tell if the person using my web application is on the server it resides on? If I remember correctly, PHPMyAdmin does something like this for security reasons.
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How to convert vector to array
... @guneykayim The vector owns that memory, you shouldn't free it
– Michael Mrozek
May 30 '14 at 14:35
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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
... as soon as a 7th XmlHttpRequest (on any tab) to the same domain is fired, it is queued until one of the other 6 finish.
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When to use setAttribute vs .attribute= in JavaScript?
... the quirksmode link below) if you want programmatic access in JavaScript. It should handle the different types of attributes (think "onload") correctly.
Use getAttribute/setAttribute when you wish to deal with the DOM as it is (e.g. literal text only). Different browsers confuse the two. See Quirk...