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Rails: How to list database tables/objects using the Rails console?
I was wondering if you could list/examine what databases/objects are available to you in the Rails console. I know you can see them using other tools, I am just curious.
Thanks.
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How to add -Xlint:unchecked to my Android Gradle based project?
...d developers. Which is a problem for a thread entitled "... Android gradle based project".
– Robin Davies
May 23 '18 at 22:40
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File name? Path name? Base name? Naming standard for pieces of a path
...for a "standard" naming convention will be in vain. Here are my proposals, based on existing, well-known programs:
A) C:\users\OddThinking\Documents\My Source\Widget\foo.src
Vim calls it file root (:help filename-modifiers)
B) C:\users\OddThinking\Documents\My Source\Widget\foo.src
file n...
Why do results vary based on curly brace placement?
....
An example from my blog post about this (Javascript – almost not line based):
If you format the code like this:
function getAnswer() {
var answer = 42;
return
answer;
}
Then it is interpreted like this:
function getAnswer() {
var answer = 42;
return;
answer;
}
The retur...
Sorting list based on values from another list?
...air: pair[0])]
Explained:
zip the two lists.
create a new, sorted list based on the zip using sorted().
using a list comprehension extract the first elements of each pair from the sorted, zipped list.
For more information on how to set\use the key parameter as well as the sorted function in ge...
split string in to 2 based on last occurrence of a separator
...here is any built in function in python to break the string in to 2 parts, based on the last occurrence of a separator.
3 A...
The JPA hashCode() / equals() dilemma
...eptively hard to implement correctly when
objects are persisted to a database. However, the problems stem
entirely from allowing objects to exist without an id before they are
saved. We can solve these problems by taking the responsibility of
assigning object IDs away from object-relational ...
How to make a floated div 100% height of its parent?
...
For #outer height to be based on its content, and have #inner base its height on that, make both elements absolutely positioned.
More details can be found in the spec for the css height property, but essentially, #inner must ignore #outer height i...
What represents a double in sql server?
...
I have to concur, and admit I was off base. I was introduced to decimal in the IBM DB2 world, where decimal is a real data type, supported by all flavors of code and the database on IBM platforms. Not that it isn't a real datatype in the MS world, but it is not...
Threading pool similar to the multiprocessing Pool?
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I just found out that there actually is a thread-based Pool interface in the multiprocessing module, however it is hidden somewhat and not properly documented.
It can be imported via
from multiprocessing.pool import ThreadPool
It is implemented using a dummy Process cla...