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MySQL: multiple tables or one table with many columns?
...r if I separate the tables in this manner to improve the performance? I'll now go read about the wiki that you mentioned :)
– Xavier_Ex
Mar 19 '12 at 17:45
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Is there a command like “watch” or “inotifywait” on the Mac?
I want to watch a folder on my Mac (Snow Leopard) and then execute a script (giving it the filename of what was just moved into a folder (as a parameter... x.sh "filename")).
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Why does NULL = NULL evaluate to false in SQL server
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Think of the null as "unknown" in that case (or "does not exist"). In either of those cases, you can't say that they are equal, because you don't know the value of either of them. So, null=null evaluates to not true (false or null, depending on you...
Constructor of an abstract class in C#
... possible to write constructor for an abstract class in C#?
As far as I know we can't instantiate an abstract class.. so what is it for?
You can't instantiate the class, right?
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Eclipse IDE for Java - Full Dark Theme
... When Eclipse 3.0 shipped in 2004 it brought a new look to the workbench. Now, 10 years later, an entirely new Dark Theme is launching.
The theme extends to more than just the Widgets. Syntax highlighting has also been improved to take advantage of the new look.
The What's new page mentions:...
Scroll Element into View with Selenium
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Based on the newest version of selenium (2.53), this is now a great helper solution. Selenium is not always scrolling the element into view, so this definitely comes in handy.
– Zoidberg
Apr 12 '16 at 12:46
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Tell Ruby Program to Wait some amount of time
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I find until very useful with sleep. example:
> time = Time.now
> sleep 2.seconds until Time.now > time + 10.seconds # breaks when true
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Nested attributes unpermitted parameters
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Seems there is a change in handling of attribute protection and now you must whitelist params in the controller (instead of attr_accessible in the model) because the former optional gem strong_parameters became part of the Rails Core.
This should look something like this:
class PeopleCo...
iReport not starting using JRE 8
...0_67"
Note : jre version may change! according to your download of 1.7
now if you run the ireport_w.exe from the bin folder in the iReport directory it should load just fine.
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How to design a product table for many kinds of product where each product has many parameters
...tions based on which is the least bad for your app. Therefore you need to know how you're going to query the data before you choose a database design. There's no way to choose one solution that is "best" because any of the solutions might be best for a given application.
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