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How to update Identity Column in SQL Server?
...le, now I have 200 records and I want to fix this issue before the records increases.
14 Answers
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Creating a dynamic choice field
I'm having some trouble trying to understand how to create a dynamic choice field in django. I have a model set up something like:
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Add Foreign Key to existing table
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To add a foreign key (grade_id) to an existing table (users), follow the following steps:
ALTER TABLE users ADD grade_id SMALLINT UNSIGNED NOT NULL DEFAULT 0;
ALTER TABLE users ADD CONSTRAINT fk_grade_id FOREIGN KEY (grade_id) REFERENCES grades(id);
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Best way to do multiple constructors in PHP
You can't put two __construct functions with unique argument signatures in a PHP class. I'd like to do this:
21 Answers
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How to scroll the window using JQuery $.scrollTo() function
I'm trying to scroll down 100px every time the user gets near the top of the document.
6 Answers
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How to run functions in parallel?
I researched first and couldn't find an answer to my question. I am trying to run multiple functions in parallel in Python.
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jquery change class name
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You can set the class (regardless of what it was) by using .attr(), like this:
$("#td_id").attr('class', 'newClass');
If you want to add a class, use .addclass() instead, like this:
$("#td_id").addClass('newClass');
Or a short way to swap classes using .toggleClass():
$("#...
Identity increment is jumping in SQL Server database
In one of my tables Fee in column "ReceiptNo" in SQL Server 2012 database identity increment suddenly started jumping to 100s instead of 1 depending on the following two things.
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jQuery Get Selected Option From Dropdown
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For dropdown options you probably want something like this:
var conceptName = $('#aioConceptName').find(":selected").text();
The reason val() doesn't do the trick is because clicking an option doesn't change the value of the dropdown--it just adds the :selected prope...
How do I avoid capturing self in blocks when implementing an API?
I have a working app and I'm working on converting it to ARC in Xcode 4.2. One of the pre-check warnings involves capturing self strongly in a block leading to a retain cycle. I've made a simple code sample to illustrate the issue. I believe I understand what this means but I'm not sure the "corre...