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Design Patterns web based applications [closed]
...that framework does very well. Fortunately, there are many available, time-tested candidates ( in the alphabetical order ): Apache Wicket, Java Server Faces, Spring to name a few.
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What are MVP and MVC and what is the difference?
...to it through an interface. This is to allow mocking of the View in a unit test. One common attribute of MVP is that there has to be a lot of two-way dispatching. For example, when someone clicks the "Save" button, the event handler delegates to the Presenter's "OnSave" method. Once the save is comp...
How to move/rename a file using an Ansible task on a remote system
.../path/to/source/file
path: /target/path/of/file
state: hard
Only tested on localhost (OSX) though, but should work on Linux as well. I can't tell for Windows.
Note that absolute paths are needed. Else it wouldn't let me create the link. Also you can't cross filesystems, so working with an...
HTTP authentication logout via PHP
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This does not work as it is explained. Tested in Chrome 40 and Firefox 35.
– funforums
Feb 26 '15 at 15:16
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Pandas groupby: How to get a union of strings
...d by @voithos below is much faster than the .apply recommended here. In my testing I was getting 5-10x faster.
– Doubledown
Sep 12 '19 at 0:02
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“ClickOnce does not support the request execution level 'requireAdministrator.'”
...he program would be launched in admin mode too. skipping the restart. I'll test that to be sure.
– Tyler C
Dec 31 '17 at 13:31
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List comprehension: Returning two (or more) items for each item
...(n) for y in (f(x), g(x))] But this is probably slower. @jamylak You could test this too if you want.
– Hashmush
Aug 8 '12 at 16:48
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Why do we always prefer using parameters in SQL statements?
...ax validation and Intellisense for your tables and columns. You can assign test data in the special comments section and click "play" to run your query right there in the window. Creating a parameter is as easy as putting "@myParam" in your SQL. Then, each time you save, QueryFirst generates the C# ...
Convert SQLITE SQL dump file to POSTGRESQL
...base. I installed from the *.deb and created a command file like this in a test directory:
load database
from 'db.sqlite3'
into postgresql:///testdb
with include drop, create tables, create indexes, reset sequences
set work_mem to '16MB', maintenance_work_mem to '512...
How do I convert array of Objects into one Object in JavaScript?
...j, [item.key]: item.value}) ,{});
One more solution that is 99% faster is(tested on jsperf):
var object = arr.reduce((obj, item) => (obj[item.key] = item.value, obj) ,{});
Here we benefit from comma operator, it evaluates all expression before comma and returns a last one(after last comma). So ...
