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Find value in an array
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array.select{} will go through all elements in the array looking those which match the condition. array.find instead will return the first element that match the condition. So preferable use array.find{ |e| e == 3 } then array.select{ |e| e == 3 }.first
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What ports does RabbitMQ use?
What ports does RabbitMQ Server use or need to have open on the firewall for a cluster of nodes?
4 Answers
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Change One Cell's Data in mysql
...nly one cell of a mysql table.
I have problem with UPDATE because it makes all the parameters in a column change but I want only one changed. How?
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Apple Mach-O Linker Error when compiling for device
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Here is permanent solution.Generally overwriting project may cause this prolems.Try this method.
-UPDATE - Clang error - Mach-O Linker error
In some case error log window displaying .xctest error, to fix it
-> Select your project
-> Beside this(ju...
ICollection Vs List in Entity Framework
...I went head first in to designing a few Entity Framework applications. I really didn't read that much documentation and I feel like I am suffering for it now.
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How to adjust text font size to fit textview
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The solution below incorporates all of the suggestions here. It starts with what was originally posted by Dunni. It uses a binary search like gjpc's, but it is a bit more readable. It also include's gregm's bug fixes and a bug-fix of my own.
import android...
What is declarative programming? [closed]
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It will be really great if you can mention on how it is different from imperative programming (languages like C, C++, C#) then it will be more easier for readers to make out the difference.
– RBT
Dec...
Get PHP class property by string
How do I get a property in a PHP based on a string? I'll call it magic . So what is magic ?
12 Answers
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SQL order string as number
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MySQL automatically converts the string to a number to make the multiplication with 1
– juergen d
Aug 4 '12 at 12:40
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How to hide iOS status bar
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In the Plist add the following properties.
Status bar is initially hidden = YES
View controller-based status bar appearance = NO
now the status bar will hidden.
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