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What are the advantages of NumPy over regular Python lists?
...ision floats in the cells would fit in 4 MB. Access in reading and writing items is also faster with NumPy.
Maybe you don't care that much for just a million cells, but you definitely would for a billion cells -- neither approach would fit in a 32-bit architecture, but with 64-bit builds NumPy woul...
Targeting both 32bit and 64bit with Visual Studio in same solution/project
...tirely unmanaged DLLs will most likely require some conditional code): the items that I found to require special attention are:
References to outside managed assemblies with the same name but their own specific bitness (this also applies to COM interop assemblies)
The MSI package (which, as has al...
Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?
...he stream state before attempting to read from it, which means for N input items the loop will run N+1 times, leads to the following symptoms:
If the stream is empty, the loop will run once. >> will fail (there is no input to be read) and all variables that were supposed to be set (by stream...
How to create a HashMap with two keys (Key-Pair, Value)?
...e hashCode() should return int values that tend to be rare, unique at it's best. Use something like this:
public int hashCode() {
return (X << 16) + Y;
}
This is fast and returns unique hashes for keys between -2^16 and 2^16-1 (-65536 to 65535). This fits in almost any case. Very rarely y...
ASP.NET MVC Custom Error Handling Application_Error Global.asax?
...a string parameter error . Using or modifying the code below.
What is the best/proper way to pass the data to the Error controller for processing? I would like to have a solution as robust as possible.
...
Case insensitive string compare in LINQ-to-SQL
... if you ask for a case-insensitive comparison). Is ToLower or ToUpper the best option here? Is one better than the other? I thought I read somewhere that ToUpper was better, but I don't know if that applies here. (I'm doing a lot of code reviews and everyone is using ToLower.)
...
Is there common street addresses database design for all addresses of the world? [closed]
...res of the world, just how in my country is structured :) so which is the best and common database design for storing street addresses? It should be so simple to use, fast to query and dynamic to store all street addresses of the world which is identifying just by one id Thanks a lot
...
Most efficient way to concatenate strings?
...uilder.
In an experiment, it has been proved that string.Concat() is the best way to approach if the words are less than 1000(approximately) and if the words are more than 1000 then StringBuilder should be used.
For more information, check this site.
string.Join() vs string.Concat()
The...
Where to place JavaScript in an HTML file?
...
The best place for it is just before you need it and no sooner.
Also, depending on your users' physical location, using a service like Amazon's S3 service may help users download it from a server physically closer to them than ...
How should equals and hashcode be implemented when using JPA and Hibernate
...aching its instances. The latter is not that common. The former is usually best handled via:
Basing equals() / hashCode() on a business key - e.g. a unique combination of attributes that is not going to change during object (or, at least, session) lifetime.
If the above is impossible, base equals(...