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What does ON [PRIMARY] mean?

I'm creating an SQL setup script and I'm using someone else's script as an example. Here's an example of the script: 4 Ans...
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Fluid width with equally spaced DIVs

... See: http://jsfiddle.net/thirtydot/EDp8R/ This works in IE6+ and all modern browsers! I've halved your requested dimensions just to make it easier to work with. text-align: justify combined with .stretch is what's handling the positioning. display:inline-block; *display:inline; zoom:1...
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Make Div overlay ENTIRE page (not just viewport)?

...verlay div cover the ENTIRE page... NOT just the viewport. I don't understand why this is so hard to do... I've tried setting body, html heights to 100% etc but that isn't working. Here is what I have so far: ...
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Command-line Tool to find Java Heap Size and Memory Used (Linux)?

Is there a Command-line Tool (Linux) to check Heap Size (and Used Memory) of a Java Application? 17 Answers ...
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Determine the path of the executing BASH script [duplicate]

In a Windows command script, one can determine the directory path of the currently executing script using %~dp0 . For example: ...
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Getting output of system() calls in Ruby

If I call a command using Kernel#system in Ruby, how do I get its output? 15 Answers ...
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Javascript Functions and default parameters, not working in IE and Chrome

...u can't do this, but you can instead do something like: function saveItem(andClose) { if(andClose === undefined) { andClose = false; } } This is often shortened to something like: function setName(name) { name = name || 'Bob'; } Update The above is true for ECMAScript <= 5. E...
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Checking if a variable is not nil and not zero in ruby

I am using the following code to check if a variable is not nil and not zero 18 Answers ...
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MySQL stored procedure vs function, which would I use when?

I'm looking at MySQL stored procedures and function. What is the real difference? 5 Answers ...
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How to list all installed packages and their versions in Python?

Is there a way in Python to list all installed packages and their versions? 11 Answers ...