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How do I create a random alpha-numeric string in C++?
I'd like to create a random string, consisting of alpha-numeric characters. I want to be able to be specify the length of the string.
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Cross cutting concern example
What is a good example of a cross-cutting concern ? The medical record example on the wikipedia page seems incomplete to me.
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How to get number of rows using SqlDataReader in C#
My question is how to get the number of rows returned by a query using SqlDataReader in C#. I've seen some answers about this but none were clearly defined except for one that states to do a while loop with Read() method and increment a counter.
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Extract file name from path, no matter what the os/path format
Which Python library can I use to extract filenames from paths, no matter what the operating system or path format could be?
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How to prevent a dialog from closing when a button is clicked
I have a dialog with EditText for input. When I click the "yes" button on dialog, it will validate the input and then close the dialog. However, if the input is wrong, I want to remain in the same dialog. Every time no matter what the input is, the dialog should be automatically closed when I clic...
What does “Could not find or load main class” mean?
A common problem that new Java developers experience is that their programs fail to run with the error message: Could not find or load main class ...
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How to play an android notification sound
I was wondering how I could play a notification sound without playing it over the media stream. Right now I can do this via the media player, however I don't want it to play as a media file, I want it to play as a notification or alert or ringtone. heres an example of what my code looks like right...
How to run a Runnable thread in Android at defined intervals?
I developed an application to display some text at defined intervals in the Android emulator screen. I am using the Handler class. Here is a snippet from my code:
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Add one row to pandas DataFrame
I understand that pandas is designed to load fully populated DataFrame but I need to create an empty DataFrame then add rows, one by one .
What is the best way to do this ?
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Difference between git pull and git pull --rebase
I started using git sometime back and do not fully understand the intricacies. My basic question here is to find out the difference between a git pull and git pull --rebase , since adding the --rebase option does not seem to do something very different : just does a pull.
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