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Detect permission of camera in iOS
I am developing a very simple video app. I use the official control: UIImagePickerController.
6 Answers
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Include jQuery in the JavaScript Console
Is there an easy way to include jQuery in the Chrome JavaScript console for sites that do not use it? For example, on a website I would like to get the number of rows in a table. I know this is really easy with jQuery.
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Pointer arithmetic for void pointer in C
...pointer to a particular type (say int , char , float , ..) is incremented, its value is increased by the size of that data type. If a void pointer which points to data of size x is incremented, how does it get to point x bytes ahead? How does the compiler know to add x to value of the poi...
Rebase array keys after unsetting elements
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How to prettyprint a JSON file?
... file that is a mess that I want to prettyprint. What's the easiest way to do this in Python?
12 Answers
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How to extract text from a PDF? [closed]
Can anyone recommend a library/API for extracting the text and images from a PDF?
We need to be able to get at text that is contained in pre-known regions of the document, so the API will need to give us positional information of each element on the page.
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How to check size of a file using Bash?
...e, but I thought there must be an easier way to check for file sizes instead. I.e. file.txt is normally 100k; how to make a script check if it is less than 90k (including 0), and make it do wget a new copy because the file is corrupt in this case.
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Start a git commit message with a hashmark (#)
...tting. this is very annoying when working with a ticket tracking system, and trying to write the ticket number at the beginning of the line, e.g.
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How to retrieve the dimensions of a view?
I have a view made up of TableLayout, TableRow and TextView . I want it to look like a grid. I need to get the height and width of this grid. The methods getHeight() and getWidth() always return 0. This happens when I format the grid dynamically and also when I use an XML version.
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