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Why use Object.prototype.hasOwnProperty.call(myObj, prop) instead of myObj.hasOwnProperty(prop)?
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4 Answers
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How to get device make and model on iOS?
...ing if it's possible to detect/know if I have an iPhone 3GS vs. and iPhone 4 vs. an iPhone 4S (in actuality, all I really want to do is determine if I have a 3G or not, because I'm doing fairly graphics intensive stuff) .
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Determining complexity for recursive functions (Big O notation)
...ften Big O notation and complexity analysis uses base 2.
void recursiveFun4(int n, int m, int o)
{
if (n <= 0)
{
printf("%d, %d\n",m, o);
}
else
{
recursiveFun4(n-1, m+1, o);
recursiveFun4(n-1, m, o+1);
}
}
Here, it's O(2^n), or exponential, since...
SQLAlchemy: What's the difference between flush() and commit()?
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564
A Session object is basically an ongoing transaction of changes to a database (update, insert, d...
How to add percent sign to NSString
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944
The code for percent sign in NSString format is %%. This is also true for NSLog() and printf() ...
Dynamically select data frame columns using $ and a character value
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6 1 5 4
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4 5 3 5
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When to make a type non-movable in C++11?
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4 Answers
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What is the difference between Elastic Beanstalk and CloudFormation for a .NET project?
...proper DNS in Route53. I then upload this template to AWS, walk away, and 45 minutes later everything is ready and waiting. Since it's just a plain-text JSON file, I can stick it in my source control which provides a great way to version my application deployments. It also ensures that I have a r...