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Use email address as primary key?
Is email address a bad candidate for primary when compared to auto incrementing numbers?
25 Answers
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Calling shell functions with xargs
I am trying to use xargs to call a more complex function in parallel.
5 Answers
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SVG: text inside rect
...e a rect element you should put them both in a group with the text element coming after the rect element ( so it appears on top ).
<svg xmlns="http://www.w3.org/2000/svg">
<g>
<rect x="0" y="0" width="100" height="100" fill="red"></rect>
<text x="0" y="50...
__FILE__, __LINE__, and __FUNCTION__ usage in C++
Presuming that your C++ compiler supports them, is there any particular reason not to use __FILE__ , __LINE__ and __FUNCTION__ for logging and debugging purposes?
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Edit the root commit in Git?
There's ways to change the message from later commits:
5 Answers
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dismissModalViewControllerAnimated deprecated
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The new method is:
[self dismissViewControllerAnimated:NO completion:nil];
The word modal has been removed; As it has been for the presenting API call:
[self presentViewController:vc animated:NO completion:nil];
The reasons were discussed in the 2012 WWDC Session 236 - The Evol...
What's the difference between BaseAdapter and ArrayAdapter?
...to do a bit more coding yourself to get it working.
ArrayAdapter is a more complete implementation that works well for data in arrays or ArrayLists. Similarly, there is a related CursorAdapter that you should use if your data is in a Cursor. Both of these extend BaseAdapter.
If your data is in a s...
MySQL: selecting rows where a column is null
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Comparing object properties in c# [closed]
This is what I've come up with as a method on a class inherited by many of my other classes. The idea is that it allows the simple comparison between properties of Objects of the same Type.
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