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sqlalchemy: how to join several tables by one query?
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Ryabchenko Alexander
3,22711 gold badge1919 silver badges4545 bronze badges
answered May 18 '11 at 13:04
Abdul KaderAbdul Kader...
Is there a CSS selector by class prefix?
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It's not doable with CSS2.1, but it is possible with CSS3 attribute substring-matching selectors (which are supported in IE7+):
div[class^="status-"], div[class*=" status-"]
Notice the space character in the second attribute selector. This picks up...
Insert/Update Many to Many Entity Framework . How do I do it?
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141
In terms of entities (or objects) you have a Class object which has a collection of Students a...
Use images instead of radio buttons
...ing the <i> element and the :after pseudo:
body{color:#444;font:100%/1.4 sans-serif;}
/* CUSTOM RADIO & CHECKBOXES
http://stackoverflow.com/a/17541916/383904 */
.rad,
.ckb{
cursor: pointer;
user-select: none;
-webkit-user-select: none;
-webkit-touch-callout: none;
}
.rad ...
SQL UPDATE all values in a field with appended string CONCAT not working
...; select * from t;
+------+-------+
| 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 Warnin...
lsof survival guide [closed]
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120
To show all networking related to a given port:
lsof -iTCP -i :port
lsof -i :22
To show con...
API Versioning for Rails Routes
... skin a cat.
I've updated the answer since to use namespaces and to use 301 redirects -- rather than the default of 302. Thanks to pixeltrix and Bo Jeanes for the prompting on those things.
You might want to wear a really strong helmet because this is going to blow your mind.
The Rails 3 routi...
What is the easiest way to ignore a JPA field during persistence?
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edited Dec 20 '13 at 7:14
Andrey Atapin
6,69433 gold badges2525 silver badges3434 bronze badges
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How can I use Homebrew to install both Python 2 and 3 on Mac?
...utomatically for Bash upon startup, add that line to your ~/.bash_profile. 1
Usage:
Once you have installed pyenv and activated it, you can install different versions of python and choose which one you can use. Example:
$ pyenv install 2.7.5
You can check the versions you have installed with:
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What is the order of precedence for CSS?
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193
There are several rules ( applied in this order ) :
inline css ( html style attribute ) over...