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How to limit the maximum value of a numeric field in a Django model?
...ormer can be restricted to the number of decimal places stored and the overall number of characters stored, is there any way to restrict it to storing only numbers within a certain range, e.g. 0.0-5.0 ?
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Rails 4: List of available datatypes
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Here are all the Rails 4 (ActiveRecord migration) datatypes:
:binary
:boolean
:date
:datetime
:decimal
:float
:integer
:bigint
:primary_key
:references
:string
:text
:time
:timestamp
Source: http://api.rubyonrails.org/classes/Acti...
Git log to get commits only for a specific branch
I want to list all commits that are only part of a specific branch.
11 Answers
11
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Is there a .NET equivalent to Apache Hadoop? [closed]
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Have you looked at using Hadoop's streaming?
I use it in python all the time :-).
I'm starting to see that the heterogeneous approach is often the best and it looks like other folks are doing the same.
If you look at projects like protocol-buffers or facebook's thrift you see that somet...
How to delete or add column in SQLITE?
...upports a limited subset of ALTER TABLE. The ALTER TABLE command in SQLite allows the user to rename a table or to add a new column to an existing table. It is not possible to rename a column, remove a column, or add or remove constraints from a table.
You can:
create new table as the one you ar...
Catching multiple exception types in one catch block
...fining the exceptions). Even given that there are exceptions you want to "fall through", you should still be able to define a hierarchy to match your needs.
abstract class MyExceptions extends Exception {}
abstract class LetterError extends MyExceptions {}
class AError extends LetterError {}
cla...
Flexbox not giving equal width to elements
...t has up to 5 items and as little as 3, but it's not dividing the width equally between all the elements.
2 Answers
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What is correct HTTP status code when redirecting to a login page?
...pires header field.
fits a login page most closely in my opinion. I initially considered 303 see other which would work just as well. After some thought, I'd say 302 Found is more fitting because the requested resource was found, there just is another page to go through before it can be accessed. ...
What is the definition of “interface” in object oriented programming
... one of the more overloaded and confusing terms in development.
It is actually a concept of abstraction and encapsulation. For a given "box", it declares the "inputs" and "outputs" of that box. In the world of software, that usually means the operations that can be invoked on the box (along with ar...
Why does calling a function in the Node.js REPL with )( work?
Why is it possible to call function in JavaScript like this, tested with node.js:
3 Answers
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