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DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
... the transaction. (You might think of it as a safety feature, to keep you from corrupting your data.)
To fix this, you'll want to figure out where in the code that bad query is being executed. It might be helpful to use the log_statement and log_min_error_statement options in your postgresql serv...
How to get a user's client IP address in ASP.NET?
...nsure that traffic is routed to each device correctly. For users accessing from an office environment the address may well be the same for all users. Sites that use IP address for ID run the risk of getting it very wrong - the examples you give are good ones and they often fail. For example my offic...
Error handling in Bash
...~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #
#
# Read last file from the error log
# ------------------------------------------------------------------
#
if test -f "$stderr_log"
then
stderr=$( tail -n 1 "$stderr_log" )
rm "$stderr_log"
fi
...
Django - Circular model import issue
...
Upto Django 1.7:
Use get_model function from django.db.models which is designed for lazy model imports.:
from django.db.models import get_model
MyModel = get_model('app_name', 'ModelName')
In your case:
from django.db.models import get_model
Theme = get_model('...
Most concise way to convert a Set to a List
...
@Jack: That definitely won't be the case. From the Javadoc from java.util.List: "Lists (like Java arrays) are zero based."
– Adamski
Feb 19 '16 at 14:55
...
How to manually set an authenticated user in Spring Security / SpringMVC
...ssword, HttpServletRequest request) {
try {
// Must be called from request filtered by Spring Security, otherwise SecurityContextHolder is not updated
UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(username, password);
token.setDetail...
Reflection - get attribute name and value on property
...e Author Attribute type. If they do, you can get the name of the property from the property info and the attribute values from the attribute.
Something along these lines to scan a type for properties that have a specific attribute type and to return data in a dictionary (note that this can be made...
List all base classes in a hierarchy of given class?
...h, nice. And for even nicer output, use pprint! python -c 'import inspect; from pprint import pprint as pp; pp(inspect.getclasstree(inspect.getmro(IOError)))'
– penguin359
Nov 15 '16 at 4:58
...
Use basic authentication with jQuery and Ajax
...h a dialog to enter username/pwd again. How can I prevent this 2nd dialog from appearing if the credentials fail?
– David
Oct 2 '13 at 0:47
2
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Use Font Awesome icon as CSS content
...
If you have access to SCSS files from font-awesome, you can use this simple solution:
.a:after {
// Import mixin from font-awesome/scss/mixins.scss
@include fa-icon();
// Use icon variable from font-awesome/scss/variables.scss
content: $fa-...