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Why is extending native objects a bad practice?
... leader says that extending the native objects is a bad practice. But why? Do we get a perfomance hit? Do they fear that somebody does it "the wrong way", and adds enumerable types to Object , practically destroying all loops on any object?
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How do I include related model fields using Django Rest Framework?
...ted_name='teachers')
One thing to keep in mind is that nested serializers do not currently support write operations. For writable representations, you should use regular flat representations, such as pk or hyperlinking.
sh...
How do I find the install time and date of Windows?
...nd out (hopefully via an API/registry key) the install time and date of Windows?
19 Answers
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C fopen vs open
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First, there is no particularly good reason to use fdopen if fopen is an option and open is the other possible choice. You shouldn't have used open to open the file in the first place if you want a FILE *. So including fdopen in that list is incorrect and confusing because it ...
Double Negation in C++
... answered Oct 29 '08 at 22:47
Don NeufeldDon Neufeld
20.8k1010 gold badges4949 silver badges4949 bronze badges
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How do I use CMake?
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What is the Makefile? Where do I find the project/solution file for visualstudio?
– lital maatuk
Oct 22 '11 at 13:00
3
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How do you determine what SQL Tables have an identity column programmatically
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Another potential way to do this for SQL Server, which has less reliance on the system tables (which are subject to change, version to version) is to use the
INFORMATION_SCHEMA views:
select COLUMN_NAME, TABLE_NAME
from INFORMATION_SCHEMA.COLUMNS
wh...
How do you clear the focus in javascript?
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Answer: document.activeElement
To do what you want, use document.activeElement.blur()
If you need to support Firefox 2, you can also use this:
function onElementFocused(e)
{
if (e && e.target)
document.activeEleme...
Using an SSH keyfile with Fabric
How do you configure fabric to connect to remote hosts using SSH keyfiles (for example, Amazon EC2 instances)?
8 Answers
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Haskell, Lisp, and verbosity [closed]
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Short answer:
almost anything you can do with macros you can do with a higher-order function (and I include monads, arrows, etc.), but it might require more thinking (but only the first time, and it's fun and you'll be a better programmer for it), and
the static ...