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Visibility of global variables in imported modules
...l = None
if 'MYVAL' in os.environ:
myval = os.environ['MYVAL']
As an extra precaution, handle the case when MYVAL is not defined inside the module.
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How to state in requirements.txt a direct github source
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git+git://github.com/mozilla/elasticutils.git#egg=elasticutils
Why the extra answer?
I got somewhat confused by the -e flag in the other answers so here's my clarification:
The -e or --editable flag means that the package is installed in <venv path>/src/SomeProject and thus not in the dee...
Modifying location.hash without page scrolling
...d node was last seen so you need to help them a little. You need to add an extra div to the top of the viewport, set its ID to the hash, and then roll everything back:
hash = hash.replace( /^#/, '' );
var fx, node = $( '#' + hash );
if ( node.length ) {
node.attr( 'id', '' );
fx = $( '<div&g...
Comment out text in R Markdown (Rmd file)
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Extra yaml blocks can be used anywhere inside the document, and commented out with #
---
title: "Untitled"
output: html_document
---
No comment.
---
# here's a comment
# ```{r}
# x = pi
# ```
---
Note however that this ...
What are database normal forms and can you give examples? [closed]
...Normal Form requires everything that the lower normal forms had, plus some extra conditions, which must all be fulfilled.
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Windows XP or later Windows: How can I run a batch file in the background with no window displayed?
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Possible, but I will try to avoid any extra step in this instance.
– VonC
Nov 18 '08 at 15:54
21
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css z-index lost after webkit transform translate3d
... When your elements are 3d, I would not expect a transform to put extra strain on the GPU. Calculations need to be made anyway. What are you basing this on?
– Micros
Jan 4 '18 at 12:48
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Center a column using Twitter Bootstrap 3
...s Bootstrap's own offset classes so it requires no change in markup and no extra CSS. The key is to set an offset equal to half of the remaining size of the row. So for example, a column of size 2 would be centered by adding an offset of 5, that's (12-2)/2.
In markup this would look like:
<div ...
Can I list-initialize a vector of move-only type?
...forward<Items>(items))...
};
return result;
}
int main(int, char**)
{
auto testVector = make_vector_of_unique<int>(1,2,3);
for (auto const &item : testVector) {
std::cout << *item << std::endl;
}
}
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What is the correct way to restore a deleted file from SVN?
...her changes once the merge is done before you commit. If you don't, those extra changes will also be reversed.
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