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Is it possible to pass query parameters via Django's {% url %} template tag?
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{% url 'order_list' %}?office=foobar&{{ request.GET.urlencode }}
Modify your settings to have request variable:
from django.conf.global_settings import TEMPLATE_CONTEXT_PROCESSORS as TCP
TEMPLATE_CONTEXT_PROCESSORS = TCP + (
'django.core.context_processors.request',
)
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Changing every value in a hash in Ruby
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If you want the actual strings themselves to mutate in place (possibly and desirably affecting other references to the same string objects):
# Two ways to achieve the same result (any Ruby version)
my_hash.each{ |_,str| str....
Replace a value in a data frame based on a conditional (`if`) statement
... <- as.character(junk$nm)
junk$nm[junk$nm == "B"] <- "b"
EDIT: And if indeed you need to maintain nm as factors, add this in the end:
junk$nm <- as.factor(junk$nm)
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How to use MySQL DECIMAL?
...E columns are not the same as DECIMAL columns, and you will get in trouble if you use DOUBLE columns for financial data.
DOUBLE is actually just a double precision (64 bit instead of 32 bit) version of FLOAT. Floating point numbers are approximate representations of real numbers and they are not ex...
How do I force Sublime Text to indent two spaces per tab?
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If you want it for all files, go to Preferences -> Settings - Default/User. But as several comments below indicate, Syntax Specific settings can limit it to just the languages you choose.
To limit this configuration to ...
Getting name of the class from an instance
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if all you want to do is test an object to see if it's a type of a certain Class
BOOL test = [self isKindOfClass:[SomeClass class]];
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How do I remove an array item in TypeScript?
...that I've created in TypeScript and it has a property that I use as a key. If I have that key, how can I remove an item from it?
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Convert number to month name in PHP
...c representation of a month, with leading zeroes.
Alternative solution:
If you're using an older PHP version and can't upgrade at the moment, you could this solution.
The second parameter of date() function accepts a timestamp, and you could use mktime() to create one, like so:
$monthNum = 3;
$...
What is the difference between the different methods of putting JavaScript code in an ?
..." the page can still be static html. This way the user will clearly see a difference between links.
– Gene
Oct 29 '08 at 7:51
6
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Unique constraint that allows empty values in MySQL
...traint such that all values in the index must be distinct. An error occurs if you try to add a new row with a key value that matches an existing row. For all engines, a UNIQUE index allows multiple NULL values for columns that can contain NULL.
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