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How to implement the activity stream in a social network
.... Structure so that you can quickly grab a batch of activities by activity ID or by using a set of friend IDs with time constraints.
Publish the activity IDs to Redis whenever an activity record is created, adding the ID to an "activity stream" list for every user who is a friend/subscriber that sho...
Defining a percentage width for a LinearLayout? [duplicate]
I want to define a percentage width (70%) for a LinearLayout that contains some buttons, so that I can center it and so that the child buttons can fill_parent. Here's a picture showing what I mean:
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How to fetch the row count for all tables in a SQL SERVER database [duplicate]
... FROM sys.tables AS T INNER JOIN sys.sysindexes AS I ON T.object_id = I.id AND I.indid < 2 ORDER BY I.rows DESC
– Muhammad Sohail
May 25 '18 at 5:07
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RedirectToAction with parameter
I have an action I call from an anchor thusly, Site/Controller/Action/ID where ID is an int .
14 Answers
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SQL DROP TABLE foreign key constraint
...ver 2005 and up):
SELECT *
FROM sys.foreign_keys
WHERE referenced_object_id = object_id('Student')
and if there are any, with this statement here, you could create SQL statements to actually drop those FK relations:
SELECT
'ALTER TABLE [' + OBJECT_SCHEMA_NAME(parent_object_id) +
'].['...
Should I make HTML Anchors with 'name' or 'id'?
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According to the HTML 5 specification, 5.9.8 Navigating to a fragment identifier:
For HTML documents (and the text/html MIME type), the following processing model must be followed to determine what the indicated part of the document is.
Parse the URL, and let fragid be the <fr...
How to create multidimensional array
Can anyone give me a sample/example of JavaScript with a multidimensional array of inputs? Hope you could help because I'm still new to the JavaScript.
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How to convert a List into a comma separated string without iterating List explicitly [dupli
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On Android use:
android.text.TextUtils.join(",", ids);
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Get value when selected ng-option changes
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as Artyom said you need to use ngChange and pass ngModel object as argument to your ngChange function
Example:
<div ng-app="App" >
<div ng-controller="ctrl">
<select ng-model="blisterPackTemplateSelected" ng-chang...
Rails find_or_create_by more than one attribute?
...ibutes can be connected with an and:
GroupMember.find_or_create_by_member_id_and_group_id(4, 7)
(use find_or_initialize_by if you don't want to save the record right away)
Edit: The above method is deprecated in Rails 4. The new way to do it will be:
GroupMember.where(:member_id => 4, :group...