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How to determine if a record is just created or updated in after_save
...ay to determine whether the record is a newly created record or an old one from update?
8 Answers
...
Proper SCSS Asset Structure in Rails
...is approach:
Rename all existing .css files to .scss
Remove all contents from application.scss
Start adding @import directives to application.scss.
If you are using twitters bootstrap and a few css sheets of your own, you have to import bootstrap first, because it has a sheet to reset styles.
...
What is the claims in ASP .NET Identity
...ials to the application. For a claim to have practical
value, it must come from an entity the application trusts.
Below steps illustrate the sequence of that happens in a claims-based security model:
The user requests an action. The relying party (RP) application asks
for a token.
The user presen...
Apply a function to every row of a matrix or a data frame
...
(Here, the function applied normalizes every row to 1.)
Note: The result from the apply() had to be transposed using t() to get the same layout as the input matrix A.
A <- matrix(c(
0, 1, 1, 2,
0, 0, 1, 3,
0, 0, 1, 3
), nrow = 3, byrow = TRUE)
t(apply(A, 1, function(x) x / sum(x) ))
R...
Javascript - get array of dates between 2 dates
...
Should we better remove time from startDate and endDate? Because if startDate's time is later than stopDate's time, it won't include stopDate in the result, right?
– Hp93
Jun 11 '16 at 18:00
...
JQuery Event for user pressing enter in a textbox?
...
@ClickUpvote #1: remove it from the answer -- then we can talk.
– Naftali aka Neal
Jun 29 '11 at 17:54
...
Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.10:test
...ven though I've been trying to research these things like crazy. Any help from more experienced people would be very, very, appreciated. I'm losing my mind on this.
...
Is it possible to serialize and deserialize a class in C++?
...etting up a framework to write objects to a text-like format and read them from the same format.
For built-in types, or your own types with operator<< and operator>> properly defined, that's fairly simple; see the C++ FAQ for more information.
...
What is the best data type to use for money in C#?
...stem.Decimal
The Decimal value type represents decimal numbers ranging from positive 79,228,162,514,264,337,593,543,950,335 to negative 79,228,162,514,264,337,593,543,950,335. The Decimal value type is appropriate for financial calculations requiring large numbers of significant integral and fra...
Yellow fade effect with JQuery
...
Define your CSS as follows:
@-webkit-keyframes yellowfade {
from { background: yellow; }
to { background: transparent; }
}
@-moz-keyframes yellowfade {
from { background: yellow; }
to { background: transparent; }
}
.yft {
-webkit-animation: yellowfade 1.5s;
-m...