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How do I iterate through each element in an n-dimensional matrix in MATLAB?
...,idx);.
– knedlsepp
Jan 4 '15 at 1:23
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Using boolean values in C
... <stdbool.h>
Option 2
typedef enum { false, true } bool;
Option 3
typedef int bool;
enum { false, true };
Option 4
typedef int bool;
#define true 1
#define false 0
Explanation
Option 1 will work only if you use C99 and it's the "standard way" to do it. Choose this if possible.
Opt...
jQuery: checking if the value of a field is null (empty)
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The value of a field can not be null, it's always a string value. this isn't entirely true. I've got a select containing no options. When I...
grepping using the “|” alternative operator
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136
You need to escape the |. The following should do the job.
grep "gene\|exon" AT5G60410.gff
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Difference between document.addEventListener and window.addEventListener?
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3 Answers
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Any way to replace characters on Swift String?
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This answer has been updated for Swift 4 & 5. If you're still using Swift 1, 2 or 3 see the...
When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
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in entity framework code first, how to use KeyAttribute on multiple columns
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SlaumaSlauma
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Difference between $state.transitionTo() and $state.go() in Angular ui-router
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answered Jan 14 '14 at 3:53
Michelle TilleyMichelle Tilley
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Remove duplicate rows in MySQL
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A really easy way to do this is to add a UNIQUE index on the 3 columns. When you write the ALTER statement, include the IGNORE keyword. Like so:
ALTER IGNORE TABLE jobs
ADD UNIQUE INDEX idx_name (site_id, title, company);
This will drop all the duplicate rows. As an added benefit...