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Difference between clustered and nonclustered index [duplicate]
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You really need to keep two issues apart:
1) the primary key is a logical construct - one of the candidate keys that uniquely and reliably identifies every row in your table. This can be anything, really - an INT, a GUID, a string...
What's the difference between a word and byte?
I've done some research.
A byte is 8 bits and a word is the smallest unit that can be addressed on memory. The exact length of a word varies. What I don't understand is what's the point of having a byte? Why not say 8 bits?
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Fast and responsive interactive charts/graphs: SVG, Canvas, other?
...ing to choose the right technology to use for updating a project that basically renders thousands of points in a zoomable, pannable graph. The current implementation, using Protovis, is underperformant. Check it out here:
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When is finally run if you throw an exception from the catch block?
In the above block when is the finally block called? Before the throwing of e or is finally called and then catch?
7 Answer...
Vagrant ssh authentication failure
...y will be in yours profile path: c:\users\USERNAME\.ssh\id_rsa.pub
PS: Finally - suggest you look at Ubuntu on Windows 10
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Convert Java Array to Iterable
...ve an Array of primitives, for example for int, int[] foo. It might be a small sized one, or not.
10 Answers
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What are the differences between BDD frameworks for Java? [closed]
...tures seemed likely to end up tightly coupled to the html.
EasyB
Very shallow learning curve (even for non-Groovy Developers)
Extremely powerful DBUnit integration
Apparently no support for parameters (leads to either very vague stories or duplication between text and code (edit: actually there i...
What's a quick way to comment/uncomment lines in Vim?
... that it isn't the quickest way to do it with vim since it requires to install a plugin. Also the best answer has already received more votes but it hasn't been marked as solution.
– whirmill
Jul 10 '18 at 10:17
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JavaScript isset() equivalent
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I generally use the typeof operator:
if (typeof obj.foo !== 'undefined') {
// your code here
}
It will return "undefined" either if the property doesn't exist or its value is undefined.
(See also: Difference between undefi...
Using parameters in batch files at Windows command line
...s the executable (batch file) name as specified in the command line.
%* is all parameters specified in the command line -- this is very useful if you want to forward the parameters to another program.
There are also lots of important techniques to be aware of in addition to simply how to access th...