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How to select where ID in Array Rails ActiveRecord without exception
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edited Jul 1 '16 at 21:10
Snowman
28.7k4343 gold badges161161 silver badges284284 bronze badges
answer...
Why is C so fast, and why aren't other languages as fast or faster? [closed]
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202
There isn't much that's special about C. That's one of the reasons why it's fast.
Newer langua...
How to display default text “--Select Team --” in combo box on pageload in WPF?
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108
The easiest way I've found to do this is:
<ComboBox Name="MyComboBox"
IsEditable="True"
I...
How can I get the console logs from the iOS Simulator?
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You can either use the Console.app to see this, or just do a tail (iOS 7.0.3 64 bits for example):
tail -f ~/Library/Logs/iOS\ Simulator/7.0.3-64/system.log
EDIT 2:
They are now located in ~/Library/Logs/CoreSimulator/<simulator-hash>/system.log
tail -f ~/Library/Logs/CoreSimulator/<s...
How do you load custom UITableViewCells from Xib files?
...all the XIB should contain).
cell = [topLevelObjects objectAtIndex:0];
}
return cell;
}
Update (2014):
Method #2 is still valid but there is no documentation for it anymore. It used to be in the official docs but is now removed in favor of storyboards.
I posted a working example ...
What is the difference between String.Empty and “” (empty string)?
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In .NET prior to version 2.0, "" creates an object while string.Empty creates no objectref, which makes string.Empty more efficient.
In version 2.0 and later of .NET, all occurrences of "" refer to the same string literal, which means "" is equivalen...
How can I disable a button in a jQuery dialog from a function?
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260
You would want to set the disabled property
$('#continueButton').attr("disabled", true);
Upd...
Difference between signed / unsigned char [duplicate]
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answered Dec 2 '10 at 16:25
AnTAnT
283k3838 gold badges470470 silver badges714714 bronze badges
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How do I start my app on startup?
...h.
– Sean Schulte
Jun 17 '11 at 22:10
19
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insert vs emplace vs operator[] in c++ map
...e m is std::map<int,int> already has an element with key 5 and value 0
m[5] = 10; // postcondition: m[5] == 10
m.insert(std::make_pair(5,15)); // m[5] is still 10
In the case of insert the argument is an object of value_type, which can be created in different ways. You c...