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Declaring a default constraint when creating a table
... square brackets rather than quotes as many readers won't work with QUOTED_IDENTIFIERS on by default.
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Django get the static files URL in view
...it leaves the implementation to the Django framework.
# Original answer said:
# from django.templatetags.static import static
# Improved answer (thanks @Kenial, see below)
from django.contrib.staticfiles.templatetags.staticfiles import static
url = static('x.jpg')
# url now contains '/static/x.jpg...
Resizing SVG in html?
...it's just XML), and look for something like this at the top:
<svg ... width="50px" height="50px"...
Erase width and height attributes; the defaults are 100%, so it should stretch to whatever the container allows it.
sh...
Get selected subcommand with argparse
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How to use mod operator in bash?
...
You must put your mathematical expressions inside $(( )).
One-liner:
for i in {1..600}; do wget http://example.com/search/link$(($i % 5)); done;
Multiple lines:
for i in {1..600}; do
wget http://example.com/search/link$(($i % 5))
done
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make: Nothing to be done for `all'
... rule instead of tab. Please ensure that you use tabs instead of spaces inside of your rules.
all:
<\t>$(CC) $(CFLAGS) ...
instead of
all:
$(CC) $(CFLAGS) ...
Please see the GNU make manual for the rule syntax description: https://www.gnu.org/software/make/manual/make.html#Rule-Synta...
Is it okay to use now?
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Incomplete type is not allowed: stringstream
...
Some of the system headers provide a forward declaration of std::stringstream without the definition. This makes it an 'incomplete type'. To fix that you need to include the definition, which is provided in the <sstream> header:
#include <sstream&...
How to add new line into txt file
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How to handle more than 10 parameters in shell
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