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Best data type for storing currency values in a MySQL database
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Something like Decimal(19,4) usually works pretty well in most cases. You can adjust the scale and precision to fit the needs of the numbers you need to store. Even in SQL Server, I tend not to use "money" as it's non-standard.
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Insert an element at a specific index in a list and return the updated list
... do b = a[:index] + [obj] + a[index:].
However, another way is:
a = [1, 2, 4]
b = a[:]
b.insert(2, 3)
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You asked me to pull without telling me which branch you want to merge with
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It says bucket-4 pushes to bucket-4 just because the default when pushing a branch is to push it to one with a matching name on the remote. (Note that this is still the default, even if the local branch is tracking a remote-tracking branch...
jQuery pitfalls to avoid [closed]
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edited Apr 14 '10 at 16:12
community wiki
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Add comma to numbers every three digits
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242
@Paul Creasey had the simplest solution as the regex, but here it is as a simple jQuery plugin:...
Sort a list by multiple attributes?
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824
A key can be a function that returns a tuple:
s = sorted(s, key = lambda x: (x[1], x[2]))
Or ...
Xcode 4: create IPA file instead of .xcarchive
In Xcode 3.2.5 I use "Build And Archive" to create an IPA file. In Xcode 4 you can use "Product -> Archive" to archive an application in an .xcarchive bundle.
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How Big can a Python List Get?
...pyport.h to be ((size_t) -1)>>1
On a regular 32bit system, this is (4294967295 / 2) / 4 or 536870912.
Therefore the maximum size of a python list on a 32 bit system is 536,870,912 elements.
As long as the number of elements you have is equal or below this, all list functions should operat...
How best to determine if an argument is not sent to the JavaScript function
...Arg2 = 'default2';
case 3: optionalArg3 = 'default3';
case 4: break;
default: throw new Error('illegal argument count')
}
// do stuff
}
This has the downside that the programmer's intention is not (visually) obvious and uses 'magic numbers'; it is therefore possibly...
Correct way to find max in an Array in Swift
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Given:
let numbers = [1, 2, 3, 4, 5]
Swift 3:
numbers.min() // equals 1
numbers.max() // equals 5
Swift 2:
numbers.minElement() // equals 1
numbers.maxElement() // equals 5
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