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Good geometry library in python? [closed]
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36
Perhaps take a look at SymPy.
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Get file name from URI string in C#
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393
You can just make a System.Uri object, and use IsFile to verify it's a file, then Uri.LocalPat...
How do I dynamically change the content in an iframe using jquery?
... with an iframe and some jquery code that changes the iframe content every 30 seconds. The content is in different webpages.
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How do I set the rounded corner radius of a color drawable using xml?
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3 Answers
3
Active
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How to convert a factor to integer\numeric without loss of information?
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734
See the Warning section of ?factor:
In particular, as.numeric applied to
a factor is mean...
Maven: missing net.sf.json-lib
...ib in the central repository . Copy-pasted the dependency (with version 2.3), and then when I build I get this error:
4 An...
Test PHP headers with PHPUnit
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123
The issue is that PHPUnit will print a header to the screen and at that point you can't add more...
How to convert a PIL Image into a numpy array?
...ld allow. I've figured out how to place the pixel information in a useful 3D numpy array by way of:
8 Answers
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What does the KEY keyword mean?
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193
Quoting from http://dev.mysql.com/doc/refman/5.1/en/create-table.html
{INDEX|KEY}
So KEY is a...
SQL UPDATE all values in a field with appended string CONCAT not working
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| id | data |
+------+-------+
| 1 | max |
| 2 | linda |
| 3 | sam |
| 4 | henry |
+------+-------+
4 rows in set (0.02 sec)
mysql> update t set data=concat(data, 'a');
Query OK, 4 rows affected (0.01 sec)
Rows matched: 4 Changed: 4 Warnings: 0
mysql> select * from t;
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