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SQLAlchemy: cascade delete
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I had to set passive_deletes='all' in order to get the children to be deleted by the database cascade when the parent is deleted. With passive_deletes=True, children objects were getting disassociated (parent set to NULL) before the parent is deleted, so the data...
Command to change the default home directory of a user
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The order of options for the second command is wrong. usermod -m -d /newhome/username username works.
– Snozzlebert
Oct 21 '19 at 17:50
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Difference between @Before, @BeforeClass, @BeforeEach and @BeforeAll
...st of annotations in both versions are same, but few differs.
Reference
Order of Execution.
Dashed box -> optional annotation.
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Ruby Regexp group matching, assign variables on 1 line
...;.*)/i =~ string
puts one, two, three
It doesn't work if you reverse the order of string and the regex.
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java SSL and cert keystore
...n searches for
and uses a keystore file in the
following locations (in order):
$JAVA_HOME/lib/security/jssecacerts
$JAVA_HOME/lib/security/cacerts
javax.net.ssl.trustStorePassword -
Password to unlock the keystore file
(store password) specified by
javax.net.ssl.trustSt...
How do I make a checkbox required on an ASP.NET form?
...n "I accept the terms and conditions..." checkbox which must be checked in order to complete a registration, hence checking the box is required from a business logic standpoint.
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Sending Email in Android using JavaMail API without using the default/built-in app
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In order to help those getting a Network On Main Thread Exception with an SDK Target >9. This is using droopie's code above but will work similarly for any.
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builde...
Align button at the bottom of div using CSS
...eenshot:
Useful Resources:
Specs
MDN
CSS Tricks
* {box-sizing: border-box;}
body {
background: linear-gradient(orange, yellow);
font: 14px/18px Arial, sans-serif;
margin: 0;
}
.container {
justify-content: space-between;
flex-direction: column;
height: 100vh;
displ...
How to study design patterns? [closed]
...me people already mentioned, practice and refactoring. I believe the right order to learn about patterns is this:
Learn Test Driven Development (TDD)
Learn refactoring
Learn patterns
Most people ignore 1, many believe they can do 2, and almost everybody goes straight for 3.
For me the key to im...
Setting HTTP headers
... })
}
}
Endpoint
REMEBER! Middlewares get applyed on reverse order( ExpectGET() gets fires first)
mux.Handle("/watcher/{action}/{device}",Adapt(api.SerialHandler(mux),
api.EnableCORS(),
api.ExpectGET(),
))
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