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Django dump data for a single model?
...nd greater, the Django dumpdata management command allows you to dump data from individual tables:
./manage.py dumpdata myapp1 myapp2.my_model
You can also separate multiple apps and models on the command line. Here's the canonical definition:
django-admin dumpdata [app_label[.ModelName] [app_la...
sys.argv[1] meaning in script
...the arguments (as separated by spaces) on the command-line. The name comes from the C programming convention in which argv and argc represent the command line arguments.
You'll want to learn more about lists and strings as you're familiarizing yourself with Python, but in the meantime, here are a f...
How to get the current time in milliseconds from C in Linux?
...on of POSIX, gettimeofday is marked obsolete. This means it may be removed from a future version of the specification. Application writers are encouraged to use the clock_gettime function instead of gettimeofday.
Here is an example of how to use clock_gettime:
#define _POSIX_C_SOURCE 200809L
#inc...
Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
...n errors on other input components are preventing the ajax listener method from being executed.
Then there's the @all. This has no special effect in process attribute, but only in update attribute. A process="@all" behaves exactly the same as process="@form". HTML doesn't support submitting multiple...
Rotate axis text in python matplotlib
...ended though):
fig.autofmt_xdate(rotation=45)
fig you would usually get from:
fig = plt.figure()
fig, ax = plt.subplots()
fig = ax.figure
Object-Oriented / Dealing directly with ax
Option 3a
If you have the list of labels:
labels = ['One', 'Two', 'Three']
ax.set_xticklabels(labels, rotatio...
Extract TortoiseSVN saved password
...dentials are saved in subdirectories of %APPDATA%\Subversion\auth\. Listed from this previous answer they are:
svn.simple contains credentials for basic authentication (username/password)
svn.ssl.server contains SSL server certificates
svn.username contains credentials for username-only authentica...
Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
... I have the same problem as Dimitris - I had to create a dump from the database, drop the database and restore it from the dump.
– Gerfried
Aug 20 '15 at 14:53
1
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Command-line Tool to find Java Heap Size and Memory Used (Linux)?
...
Worth noting quote from jstat Oracle Java 8 manual page: This command is experimental and unsupported.
– patryk.beza
May 19 '15 at 20:20
...
Command to get time in milliseconds
...ee first characters of nanoseconds to get the milliseconds:
date +%s%3N
From man date:
%N nanoseconds (000000000..999999999)
%s seconds since 1970-01-01 00:00:00 UTC
Source: Server Fault's How do I get the current Unix time in milliseconds in Bash?.
...
How do I make a textbox that only accepts numbers?
...mp; !char.IsControl(e.KeyChar);
}
NOTE: This DOES NOT prevent a user from Copy / Paste into this textbox. It's not a fail safe way to sanitize your data.
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