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Case Insensitive Flask-SQLAlchemy Query
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You can do it by using either the lower or upper functions in your filter:
from sqlalchemy import func
user = models.User.query.filter(func.lower(User.username) == func.lower("GaNyE")).first()
Another option is to do searching using ilike instead of like:
.quer...
Dynamic variable names in Bash
..._variable[$1]}
}
If you can't use associative arrays (e.g., you must support bash 3), you can use declare to create dynamic variable names:
declare "magic_variable_$1=$(ls | tail -1)"
and use indirect parameter expansion to access the value.
var="magic_variable_$1"
echo "${!var}"
See BashFAQ...
All but last element of Ruby array
... # => [1, 2, 3, 4]
a.first a.size - 1 # => [1, 2, 3]
or
a.take 3
or
a.first 3
or
a.pop
which will return the last and leave the array with everything before it
or make the computer work for its dinner:
a.reverse.drop(1).reverse
or
class Array
def clip n=1
ta...
What exactly is Apache Camel?
...les. In it, Jonathan writes:
Apache Camel is an open source Java framework that focuses on making integration easier and more accessible to developers. It does this by providing:
concrete implementations of all the widely used Enterprise Integration Patterns (EIPs)
connectivity to a gr...
SQL Server - transactions roll back on error?
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You can put set xact_abort on before your transaction to make sure sql rolls back automatically in case of error.
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How can I merge two commits into one if I already started rebase?
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Summary
The error message
Cannot 'squash' without a previous commit
means you likely attempted to “squash downward.” Git always squashes a newer commit into an older commit or “upward” as viewed on the interactive rebase todo ...
Enum Naming Convention - Plural
... having read similar but not exactly what I want at C# naming convention for enum and matching property
9 Answers
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Static files in Flask - robot.txt, sitemap.xml (mod_wsgi)
Is there any clever solution to store static files in Flask's application root directory.
robots.txt and sitemap.xml are expected to be found in /, so my idea was to create routes for them:
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Using fonts with Rails asset pipeline
...fonts in any of the these folders:
app/assets/fonts
lib/assets/fonts
vendor/assets/fonts
For Rails versions > 4, you must place your fonts in the app/assets/fonts folder.
Note: To place fonts outside of these designated folders, use the following configuration:
config.assets.precompile &...
How to elegantly check if a number is within a range?
...>= 1 && x <= 100)
//true
Also, check out this SO post for regex options.
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