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How to prevent buttons from submitting forms
In the following page, with Firefox the remove button submits the form, but the add button does not.
17 Answers
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How to find a hash key containing a matching value
...ven I have the below clients hash, is there a quick ruby way (without having to write a multi-line script) to obtain the key given I want to match the client_id? E.g. How to get the key for client_id == "2180" ?
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Foreign Key to non-primary key
I have a table which holds data, and one of those rows needs to exist in another table. So, I want a foreign key to maintain referential integrity.
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How to open the Google Play Store directly from my Android application?
I have open the Google Play store using the following code
23 Answers
23
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Convert JSON String to JSON Object c#
I have this String stored in my database:
8 Answers
8
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How do I sort a list by different parameters at different timed
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I think your enum approach is basically sound, but the switch statements really need a more object oriented approach. Consider:
enum PersonComparator implements Comparator<Person> {
ID_SORT {
public int compare...
How to perform a real time search and filter on a HTML table
I've been Googling and searching Stack Overflow for a while, but I just can't get around this problem.
9 Answers
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'IF' in 'SELECT' statement - choose output value based on column values
...unctions.html.
Additionally, you could handle when the condition is null. In the case of a null amount:
SELECT id,
IF(type = 'P', IFNULL(amount,0), IFNULL(amount,0) * -1) as amount
FROM report
The part IFNULL(amount,0) means when amount is not null return amount else return 0.
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JSON.NET Error Self referencing loop detected for type
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Fix 1: Ignoring circular reference globally
(I have chosen/tried this one, as have many others)
The json.net serializer has an option to ignore circular references. Put the following code in WebApiConfig.cs file:
config.Formatters.JsonF...
How to check if a stored procedure exists before creating it
...time a client executes the "database management" functionality. The script includes creating stored procedures on the client database. Some of these clients might already have the stored procedure upon running the script, and some may not. I need to have the missing stored procedures added to the c...