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Is an index needed for a primary key in SQLite?
...x be explicitly created for it as well? SQLite does not appear to automatically create an index for a primary key column, but perhaps it indexes it anyway, given its purpose? (I will be searching on that column all the time).
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JavaScript Date Object Comparison
...answered Sep 30 '11 at 6:50
gion_13gion_13
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Error installing libv8: ERROR: Failed to build gem native extension
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try this one:
gem install libv8 -v '3.16.14.3' -- --with-system-v8
Note : Because libv8 is the interface for the V8 engine used by therubyracer,
you may need to use libv8, even if you have V8 installed already. If
you wish to use your ow...
Download file of any type in Asp.Net MVC using FileResult?
I've had it suggested to me that I should use FileResult to allow users to download files from my Asp.Net MVC application. But the only examples of this I can find always has to do with image files (specifying content type image/jpeg).
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Long press gesture on UICollectionViewCell
...ILongPressGestureRecognizer *lpgr
= [[UILongPressGestureRecognizer alloc]
initWithTarget:self action:@selector(handleLongPress:)];
lpgr.delegate = self;
lpgr.delaysTouchesBegan = YES;
[self.collectionView addGestureRecognizer:lpgr];
}
-(void)handleLongPress:...
What is the most efficient way to concatenate N arrays?
...w array that concatenates two existing arrays, it appears concat() is generally faster. For the case of concatenating an array onto an existing array in place, push() is the way to go. I updated my answer.
– Tim Down
Apr 22 '12 at 22:12
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Jasmine.js comparing arrays
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this falls back on "==" in javascript by default. This is just not safe since not only the actual values are compared, but the whole object.
– Peter
Nov 12 '14 at 11:00
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How to present popover properly in iOS 8
... you talk to the view controller inside of it to set the content size, by calling the property preferredContentSize
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Entity Framework VS LINQ to SQL VS ADO.NET with stored procedures? [closed]
...ity operations (CRUD) you will find just about equivalent performance with all three technologies. You do have to know how EF and Linq to SQL work in order to use them to their fullest. For high-volume operations like polling queries, you may want to have EF/L2S "compile" your entity query such th...
“sending 'const NSString *' to parameter of type 'NSString *' discards qualifiers” warning
I have Constants NSString, that I want to call like:
3 Answers
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