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jsonify a SQLAlchemy result set in Flask [duplicate]
...
def dump_datetime(value):
"""Deserialize datetime object into string form for JSON processing."""
if value is None:
return None
return [value.strftime("%Y-%m-%d"), value.strftime("%H:%M:%S")]
class Foo(db.Model):
# ... SQLAlchemy defs here..
def __init__(self, ...):
...
AngularJS passing data to $http.get request
...u can add a query string to the request.
angular.http provides an option for it called params.
$http({
url: user.details_path,
method: "GET",
params: {user_id: user.id}
});
See: http://docs.angularjs.org/api/ng.$http#get and https://docs.angularjs.org/api/ng/service/$http#usage (s...
How to change href of tag on button click through javascript
...event && event.preventDefault && event.preventDefault(); before return false
– 袁文涛
Aug 3 at 9:05
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Android Fragment lifecycle over orientation changes
...nstanceState == null) {
// only create fragment if activity is started for the first time
mFragmentManager = getSupportFragmentManager();
FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction();
FragmentOne fragment = new FragmentOne();
fragmentTransaction...
There can be only one auto column
... This helped me in a situation where I wanted to define a composite key for easy updating but I also wanted to have an auto-incrementing ID for debugging purposes. Is there anything I should be aware of in terms of risk, apart from slightly slower writes possibly?
– Mattias ...
Rails: Adding an index after adding column
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You can run another migration, just for the index:
class AddIndexToTable < ActiveRecord::Migration
def change
add_index :table, :user_id
end
end
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How to get Core Data object from specific Object ID?
...first with NSManagedObjectContext's insertObject:. The only use I've found for this is copying objects from store to store while preserving ObjectIDs.
-(NSManagedObject *)objectRegisteredForID:(NSManagedObjectID *)objectID
...will return the object that has that ID, if it has been fetched from th...
How to get text box value in JavaScript
...s; I suspect what's happened is that (contrary to the example code) you've forgotten to quote your ‘value’ attribute:
<input type="text" name="txtJob" value=software engineer>
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im...
Rails 3 migrations: Adding reference column?
If I create a new rails 3 migration with (for example)
10 Answers
10
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Remove Primary Key in MySQL
...leftmost part of an index.
You should remove the autoincrement property before dropping the key:
ALTER TABLE user_customer_permission MODIFY id INT NOT NULL;
ALTER TABLE user_customer_permission DROP PRIMARY KEY;
Note that you have a composite PRIMARY KEY which covers all three columns and id is...