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Best way to test if a row exists in a MySQL table
I'm trying to find out if a row exists in a table. Using MySQL, is it better to do a query like this:
12 Answers
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How to validate an OAuth 2.0 access token for a resource server?
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Update Nov. 2015: As per Hans Z. below - this is now indeed defined as part of RFC 7662.
Original Answer: The OAuth 2.0 spec (RFC 6749) doesn't clearly define the interaction between a Resource Server (RS) and Authorization Server (AS) for access token (AT) validation. It rea...
Setting background colour of Android layout element
I am trying to, somewhat clone the design of an activity from a set of slides on Android UI design . However I am having a problem with a very simple task.
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How can I update window.location.hash without jumping the document?
I have a sliding panel set up on my website.
9 Answers
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switch case statement error: case expressions must be constant expression
My switch-case statement works perfectly fine yesterday. But when I run the code earlier this morning eclipse gave me an error underlining the case statements in color red and says: case expressions must be constant expression, it is constant I don't know what happened. Here's my code below:
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Select random row from a sqlite table
I have a sqlite table with the following schema:
7 Answers
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Converting JSON data to Java object
I want to be able to access properties from a JSON string within my Java action method. The string is available by simply saying myJsonString = object.getJson() . Below is an example of what the string can look like:
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How can I set the WiX installer version to the current build version?
I wrote an application and its WiX installer and put it under version control using subversion. When the WiX installer builds I want its version number to be the current build version of the application. How do I accomplish this? I used c# to code the application.
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Is it possible to display inline images from html in an Android TextView?
Given the following HTML:
9 Answers
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Cannot change column used in a foreign key constraint
I got this error when i was trying to alter my table.
3 Answers
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