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What is the actual use of Class.forName(“oracle.jdbc.driver.OracleDriver”) while connecting to a dat
....forName("org.sqlite.JDBC");' do?
What is the purpose of 'Class.forName("MY_JDBC_DRIVER")'?
Loading JDBC driver
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Using Vim's persistent undo?
...eep undo history across sessions by storing it in a file
if has('persistent_undo')
let myUndoDir = expand(vimDir . '/undodir')
" Create dirs
call system('mkdir ' . vimDir)
call system('mkdir ' . myUndoDir)
let &undodir = myUndoDir
set undofile
endif
...
Cron and virtualenv
...e /path/to/virtualenv/bin/activate && /path/to/build/manage.py some_command > /dev/null
It's tricky to spot why this fails as /var/log/syslog doesn't log the error details. Best to alias yourself to root so you get emailed with any cron errors. Simply add yourself to /etc/aliases and ...
log4net argument to LogManager.GetLogger
...
I'm an NLog user, and usually this boils down to :
var _logger = LogManager.GetCurrentClassLogger();
It seemed a bit strange that you need to go through reflection in Log4Net, so I had a look in the NLog source code, and lo and behold, this is what they do for you:
[MethodImpl...
How to include file in a bash shell script
...t . is POSIX compliant whereas source isn't
– Mathieu_Du
Feb 20 '15 at 19:38
But here source is not exactly the includ...
How to display Base64 images in HTML?
...es - its a data URI for a red dot image (source: en.wikipedia.org/wiki/Data_URI_scheme). I am just pointing out that there is no apparent issue in what you are doing except perhaps actual base64 data. Use the given decoder and save decoded binary data as an jpeg file and try to open it. If it does n...
Can I store images in MySQL [duplicate]
...h is not that difficult). I want to save the thumbs (since they are very small) in the database and I use MySQL. (I don't want to save the thumbs as physical files on the drive.)
Does MySQL allow saving and retrieving image data and how do I go about it? If it doesn't support image data, is there ...
argparse store false if unspecified
...
The store_true option automatically creates a default value of False.
Likewise, store_false will default to True when the command-line argument is not present.
The source for this behavior is succinct and clear: http://hg.python.or...
What's the best way to cancel event propagation between nested ng-click calls?
... in it. Clicking the black overlay dismisses it; clicking the image will call a function that shows the next image.
9 Answ...
how to generate migration to make references polymorphic
...ass AddImageableToProducts < ActiveRecord::Migration
def up
change_table :products do |t|
t.references :imageable, polymorphic: true
end
end
def down
change_table :products do |t|
t.remove_references :imageable, polymorphic: true
end
end
end
...