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Grep characters before and after match?
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3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o -P '.{0,3}string.{0,4}'
23_string_and
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Android: upgrading DB version and adding new table
...rementing the app version alone is not enough for onUpgrade to be called!
3. Don't forget your new users!
Don't forget to add
database.execSQL(DATABASE_CREATE_color);
to your onCreate() method as well or newly installed apps will lack the table.
4. How to deal with multiple database changes o...
What is the difference D3 datum vs. data?
Can someone please explain the difference between datum() and data() in D3.js? I see both being used and I am not sure why you should choose one over the other?
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Adding data attribute to DOM
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432
Use the .data() method:
$('div').data('info', '222');
Note that this doesn't create an actua...
startsWith() and endsWith() functions in PHP
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33 Answers
33
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What's the strangest corner case you've seen in C# or .NET? [closed]
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37 Answers
37
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Django: multiple models in one template using forms [closed]
...son Christa
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Cross-platform way of getting temp directory in Python
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395
That would be the tempfile module.
It has functions to get the temporary directory, and also ...
Singleton by Jon Skeet clarification
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361
No, this is nothing to do with closures. A nested class has access to its outer class's priva...