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Circular gradient in android
I'm trying to make a gradient that emits from the middle of the screen in white, and turns to black as it moves toward the edges of the screen.
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How to sort an array based on the length of each element?
I have an array like this:
8 Answers
8
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GitHub clone from pull request?
I would like to clone a repository from GitHub. The problem is I don't want the main branch; I want the version in this unapproved pull request .
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Truncating all tables in a Postgres database
I regularly need to delete all the data from my PostgreSQL database before a rebuild. How would I do this directly in SQL?
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Why Qt is misusing model/view terminology?
I think that the terminology used in Qt with model/view controls is flawed. On their explanation page they state, that they simplified the MVC to MV by merging View and Controller and they are giving the following picture:
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How to set a bitmap from resource
This seems simple, I am trying to set a bitmap image but from the resources, I have within the application in the drawable folder.
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How to test if a string is JSON or not?
I have a simple AJAX call, and the server will return either a JSON string with useful data or an error message string produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message.
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How to speed up insertion performance in PostgreSQL
I am testing Postgres insertion performance. I have a table with one column with number as its data type. There is an index on it as well. I filled the database up using this query:
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How to convert SQL Query result to PANDAS Data Structure?
Any help on this problem will be greatly appreciated.
17 Answers
17
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