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Data structure: insert, remove, contains, get random element, all at O(1)
...values are their positions in the array.
insert(value): append the value to array and let i be its index in A. Set H[value]=i.
remove(value): We are going to replace the cell that contains value in A with the last element in A. let d be the last element in the array A at index m. let i be H[value]...
SQL WHERE condition is not equal to?
Is it possible to negate a where clause?
10 Answers
10
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Replace String in all files in Eclipse
... answered Jul 23 '11 at 13:51
Tonny MadsenTonny Madsen
12.1k44 gold badges2929 silver badges6565 bronze badges
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Generating a unique machine id
I need to write a function that generates an id that is unique for a given machine running a Windows OS.
15 Answers
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Tab key == 4 spaces and auto-indent after curly braces in Vim
How do I make vi - Vim never use tabs (converting spaces to tabs, bad!), makes the tab key == 4 spaces, and automatically indent code after curly brace blocks like Emacs does?
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jquery UI dialog: how to initialize without a title bar?
Is it possible to open a jQuery UI Dialog without a title bar?
23 Answers
23
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Copy array by value
When copying an array in JavaScript to another array:
34 Answers
34
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What does “Object reference not set to an instance of an object” mean? [duplicate]
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class ExampleClass
{
}
ExampleClass exampleClass; //== null
If you try to access a member of a class instance using a null reference then you get a System.NullReferenceException. Which is the same as Object reference not set to an instance of an object.
The following code is a simple way of rep...
Is there a way to 'uniq' by column?
...: This is explained in the manual (man sort). It stands for the start and stop position.
– Serrano
Jan 27 '15 at 13:21
3
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Folder structure for a Node.js project
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Concerning the folders you mentioned:
/libs is usually used for custom classes/functions/modules
/vendor or /support contains 3rd party libraries (added as git
sub-module when using git as source control)
/spec contains specifications for BDD tests.
/tests contains the unit-tests for an appl...