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Reload django object from database
...k=self.pk)
# You may want to clear out the old dict first or perform a selective merge
self.__dict__.update(new_self.__dict__)
# Use it like this
bar.foo = foo
assert bar.foo.pk is None
foo.save()
foo.reload()
assert bar.foo is foo and bar.foo.pk is not None
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How to decide font color in white or black depending on background color?
... @mwieczorek people who rely on user-generated content or randomly selected colors do.
– Marc Plano-Lesay
Sep 15 '18 at 12:54
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How do I update if exists, insert if not (AKA “upsert” or “merge”) in MySQL?
...', '2014-08-20 18:47:42');
Query OK, 2 rows affected (0.04 sec)
mysql> SELECT * FROM test;
+----+------+---------------------+
| id | data | ts |
+----+------+---------------------+
| 1 | New | 2014-08-20 18:47:42 |
+----+------+---------------------+
1 row in set (0.00 sec)
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How can I remove all objects but one from the workspace in R?
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Likewise, click the Name box, which selects all the files, and then deselect all the files you want to keep.
– Stephen
Dec 27 '17 at 15:18
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How to emulate GPS location in the Android Emulator?
...click on the menu button (3 dots) shown below:
Then from the left pane, select Location and change the coordinates according to your needs. After pressing Send button, changes will immediately take effect (I recommend you to open up Google Maps for better understanding).
Android Studio Version...
Equal sized table cells to fill the entire width of the containing table
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and make sure you're td selector doesn't select other td's involved :D
– Gordon Gustafson
Sep 22 '09 at 0:31
3
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Non greedy (reluctant) regex matching in sed?
...nswering your question
Using approach #2 (delimited expression) you should select two appropriate expressions:
EDE: [^:/]\/
SDE: http:
Usage:
$ sed 's/\([^:/]\/\).*/\1/g; s/\(\(http:.*\)*.\)*/\1/' <<< 'http://www.suepearson.co.uk/product/174/71/3816/'
Output:
http://www.suepearson.co.u...
Running unittest with typical test directory structure
...Major Major". They can run with python -m unittest discover but how can I select to run only one of them. If I run python -m unittest tests/testxxxxx then it fails for path issue. Since dicovery mode solve everything I would expect that there is another trick to solve path issue without handcoding...
Auto-indent in Notepad++
...t plugin from Plugins > Plugin Manager > Show Plugin Manager.
Then I selected the Smart Indent option in Plugin > NppAutoIndent. Hope this helps.
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Fragments within Fragments
...e if you instantiate the Fragments within the xml layout after a tab was unselected and then reselected I would get the inflator error.
I solved this replacing all the fragments in xml with Linearlayouts and then useing a Fragment manager/ fragment transaction to instantiate the fragments everythi...