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Properly escape a double quote in CSV
...riginal question doesn't ask about PHP. This only seems to be true for the string delimiter (and only for the chosen delimiter) when a program, such as Open Office, allows you to change it.
– Dave F
Dec 1 '18 at 22:07
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Inherit docstrings in Python class inheritance
...init__ definition in Y but this seems to mess with the formatting, causing extra added spaces.
– mgilbert
Oct 15 '17 at 9:53
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Separation of business logic and data access in django
... standard method in the forms API; it is intended to replace the
'extract-data-from-form-in-view-and-do-stuff' pattern by a more testable pattern.
"""
user_id = self.cleaned_data['user_id']
user = User.objects.get(pk=user_id)
# set active flag
user...
How to extract base URL from a string in JavaScript?
... find a relatively easy and reliable method to extract the base URL from a string variable using JavaScript (or jQuery).
20...
Concatenating two std::vectors
...t;
#include <iostream>
#include <iterator>
int main(int argc, char** argv) {
std::vector<int> dest{1,2,3,4,5};
std::vector<int> src{6,7,8,9,10};
// Move elements from src to dest.
// src is left in undefined but safe-to-destruct state.
dest.insert(
dest.end(...
TextView.setTextSize behaves abnormally - How to set text size of textview dynamically for different
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Adding some extra flavor for this answer, as also ran into a bit of confusion. You should be able to drop this test into any @RunWith(AndroidJUnit4.class) test you have in your project (you'll also need to add the dimens to your dimens.x...
How to repeat a “block” in a django template
...My Cool Website{% endblock %}{% endblock %}{% endblock %}
Requires an extra file unfortunately, but doesn't require you to pass the title from the view.
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Converting RGB to grayscale/intensity
...th 32 bits i.e. 4 bytes per pixel
unsigned int fourBytes;
unsigned char r,g,b;
for (int index=0;index<width*height;index++)
{
fourBytes=pntrBWImage[index];//caches 4 bytes at a time
r=(fourBytes>>16);
g=(fourBytes>>8);
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round up to 2 decimal places in java? [duplicate]
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String roundOffTo2DecPlaces(float val)
{
return String.format("%.2f", val);
}
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What is the difference between LR, SLR, and LALR parsers?
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Suppose a parser without a lookahead is happily parsing strings for your grammar.
Using your given example it comes across a string dc, what does it do? Does it reduce it to S, because dc is a valid string produced by this grammar? OR maybe we were trying to parse bdc because eve...