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How to remove all of the data in a table using Django
...odel(model_4)
and within my views.py i have a view that simply renders a html page ...
def data_del_4(request):
obj = calc_2() ##
obj.del_model_4()
return render(request, 'dc_dash/data_del_4.html') ##
it ended deleting all entries from - model == model_4 , but now i get t...
What is the difference between '/' and '//' when used for division?
...ou can find a detailed description at https://docs.python.org/whatsnew/2.2.html#pep-238-changing-the-division-operator
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How to run SQL script in MySQL?
...ore info here: http://dev.mysql.com/doc/refman/5.0/en/mysql-batch-commands.html
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jQuery checkbox change and click event
...iddle example with the latest jQuery 2.x
Added jsfiddle examples and the html with the clickable checkbox label
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What is the meaning of “POSIX”?
... is Posix compliant, see devworld.apple.com/leopard/overview/osfoundations.html . For Windows, see en.wikipedia.org/wiki/POSIX#POSIX_for_Windows : Posix compliance is currently included in Enterprise and Ultimate editions only (not in the cheaper ones!-), though you can get partways w/Cygwin, en.wik...
what’s the difference between Expires and Cache-Control headers?
...nt of time so you could specify "X hours after the page was requested".
HTML Cache control is a very similar question and has a good link to a caching tutorial that should answer most of your questions (e.g., http://www.mnot.net/cache_docs/#EXPIRES). To sum up though, Expires is recommended for ...
CSS table layout: why does table-row not accept a margin?
...height on those elements have no effect.
http://www.w3.org/TR/CSS2/tables.html
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Java ResultSet how to check if there are any results
...row sections:
http://docs.oracle.com/javase/7/docs/api/java/sql/ResultSet.html#isBeforeFirst()
http://docs.oracle.com/javase/7/docs/api/java/sql/ResultSet.html#first()
Okay, basically this means that you should use "isBeforeFirst" as long as you have a "forward only" type. Otherwise it's less over...
Retrieving the inherited attribute names/values using Java Reflection
...ata/commons/docs/current/api/org/springframework/data/util/ReflectionUtils.html
or
Field field2 = ReflectionUtils.findField(YOUR_CLASS.class, "ATTRIBUTE_NAME");
log.info(field2.getName());
Api doc:
https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/util/Refle...
How to take backup of a single table in a MySQL database?
...rence:
http://www.abbeyworkshop.com/howto/lamp/MySQL_Export_Backup/index.html
Restore
mysql -u <user_name> -p db_name
mysql> source <full_path>/table_name.sql
or in one line
mysql -u username -p db_name < /path/to/table_name.sql
Dump and restore a single table from a comp...