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Business logic in MVC [closed]
...ayer usually calls the business layer on a certain "event" (button pressed etc.) to read data from or write data to the data layer.
The data layer might also have it's own model, which is typically database related. It often contains a set of entity classes as well as data-access-objects (DAOs).
Th...
Set icon for Android application
...rator file 2) Upload the file 3) Play with settings on website for padding/etc 4) Copy "res" file from .zip from site, paste it in IntelliJ and select "Overwrite Files"
– pfrank
Dec 19 '13 at 16:33
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How do you add CSS with Javascript?
...nce solution your newly added CSS might be overwritten by the second/third/etc. stylesheet on the page. Using document.body.appendChild(css); you make sure the new CSS always is the last rule.
– AvL
Aug 2 '16 at 14:33
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Convert command line arguments into an array in Bash
... [for] without [in] will loop over arguments array $@ ($1,$2, etc.). Which can be set also with [set] command, for example set -- arg1 arg2
– Nahuel Fouilleul
Sep 28 '16 at 9:14
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Python: most idiomatic way to convert None to empty string?
... Uses the fact that python treats None, an empty list, an empty string, 0, etc as false. Also uses the fact that the or statement returns the first element that is true or the last element given to the or (or groups of ors). Also this uses lambda functions. I would give you +10 but obviously it ...
How to override the properties of a CSS class using another CSS class
...at the element it is being applied to is or does (e.g. button, name-label, etc.). Others feel that CSS becomes unmanageable if you use this approach and you should use "utility-first" or "functional" css where classes correspond to property values (e.g. margin-top-4, width-10, etc.). Historically th...
mongo - couldn't connect to server 127.0.0.1:27017
...hout preserving the original files
To find where you dbpath resides- vim /etc/mongodb.conf
check for option dbpath=
(I have dbpath=/var/lib/mongodb)
Default: /data/db/
Typical locations include: /srv/mongodb, /var/lib/mongodb or /opt/mongodb .
Replace the /var/lib/mongodb with your dbpath
sud...
Is there a UIView resize event?
...do keep changing this stuff. Anyway, now you should use viewWillTransition etc. etc.
– Dan Rosenstark
Jan 12 '17 at 19:49
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jQuery How to Get Element's Margin and Padding?
...ow using jQuery - I can get an elements formatted total padding and margin etc ? i.e. 30px 30px 30px 30px or 30px 5px 15px 30px etc
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How to test which port MySQL is running on and whether it can be connected to?
...
grep port /etc/mysql/my.cnf ( at least in debian/ubuntu works )
or
netstat -tlpn | grep mysql
verify
bind-address 127.0.0.1
in /etc/mysql/my.cnf to see possible restrictions
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