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Flask-SQLalchemy update a row's information
...t()
pprint(bob.data) # {}
# Modifying data is ignored.
bob.data['foo'] = 123
db.session.commit()
bob = User.query.filter_by(name='Bob').first()
pprint(bob.data) # {}
# Replacing data is respected.
bob.data = {'bar': 321}
db.session.commit()
bob = User.query.filter_by(name='Bob').first()
pprint(b...
How to handle initializing and rendering subviews in Backbone.js?
...ers:</div>
<div id="phone_numbers">
<div>#1: 123-456-7890</div>
<div>#2: 456-789-0123</div>
</div>
</div>
Hopefully it's pretty obvious how the HTML matches up with the diagram.
The ParentView holds 2 child views, InfoView a...
Can a local variable's memory be accessed outside its scope?
...w can it be? Isn't the memory of a local variable inaccessible outside its function?
You rent a hotel room. You put a book in the top drawer of the bedside table and go to sleep. You check out the next morning, but "forget" to give back your key. You steal the key!
A week later, you return to th...
Best practices for circular shift (rotate) operations in C++
...a rotate-right. (This optimizes away with compile-time-constant counts.)
Fun fact: ARM doesn't really have dedicated shift/rotate instructions, it's just MOV with the source operand going through the barrel-shifter in ROR mode: mov r0, r0, ror r1. So a rotate can fold into a register-source opera...
What Git branching models work for you?
...s necessary or not?!)": not always necessary, but it help keeping trace of functional dependencies (stackoverflow.com/questions/881092/…) and semantic conflicts (stackoverflow.com/questions/2514502/…)
– VonC
Apr 12 '10 at 13:39
...
Create code first, many to many, with additional fields in association table
...g will fetch the comments automatically behind the scenes.
Edit
Just for fun a few examples more how to add entities and relationships and how to delete them in this model:
1) Create one member and two comments of this member:
var member1 = new Member { FirstName = "Pete" };
var comment1 = new C...
How do I change the background color of a plot made with ggplot2
...
123
To change the panel's background color, use the following code:
myplot + theme(panel.backgrou...
Differences between Intent and PendingIntent
...argetActivity.class);
i.putExtra("Key1", "ABC");
i.putExtra("Key2", "123");
// Starts TargetActivity
startActivity(i);
IMPLICIT INTENTS
// Implicit Intent by specifying a URI
Intent i = new Intent(Intent.ACTION_VIEW,
Uri.parse("http://www.example.com"));
// Starts Implicit Activ...
What is Type-safe?
...
On the down side, with type safe languages, when you have a string like "123" and you want to operate on it like an int, you have to write more code to convert the string to an int, or when you have an
Find MongoDB records where array field is not empty
...d only happen if pictures is a sub-doc, not an array. e.g. pictures: {'2': 123}
– JohnnyHK
Aug 24 '15 at 19:46
5
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