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How do I execute inserts and updates in an Alembic upgrade script?
I need to alter data during an Alembic upgrade.
3 Answers
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Get city name using geolocation
I managed to get the user's latitude and longitude using HTML-based geolocation.
11 Answers
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How to change the text of a button in jQuery?
How do you change the text value of a button in jQuery? Currently, my button has 'Add' as its text value, and upon being clicked I want it to change to 'Save'. I have tried this method below, but so far without success:
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MySQL Error 1215: Cannot add foreign key constraint
I am trying to forward engineer my new schema onto my db server, but I can't figure out why I am getting this error. I've tried to search for the answer here, but everything I've found has said to either set the db engine to Innodb or to make sure the keys I'm trying to use as a foreign key are pri...
Display back button on action bar
I'm trying to display a Back button on the Action bar to move previous page/activity or to the main page (first opening).
And I can not do it.
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How to take backup of a single table in a MySQL database?
...t, mysqldump takes the backup of an entire database. I need to backup a single table in MySQL. Is it possible? How do I restore it?
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Mongoose: Get full list of users
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Well, if you really want to return a mapping from _id to user, you could always do:
server.get('/usersList', function(req, res) {
User.find({}, function(err, users) {
var userMap = {};
users.forEach(function(user) {
userMap[user._id] = user;
})...
Inserting HTML elements with JavaScript
Instead of tediously search for workarounds for each type of attribute and event when using the following syntax:
7 Answers...
How to check if an int is a null
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An int is not null, it may be 0 if not initialized.
If you want an integer to be able to be null, you need to use Integer instead of int.
Integer id;
String name;
public Integer getId() { return id; }
Besides the statement ...
MongoDB Aggregation: How to get total records count?
I have used aggregation for fetching records from mongodb.
13 Answers
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