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How do I prompt for Yes/No/Cancel input in a Linux shell script?
...is:
set -- $(locale LC_MESSAGES)
yesptrn="$1"; noptrn="$2"; yesword="$3"; noword="$4"
while true; do
read -p "Install (${yesword} / ${noword})? " yn
case $yn in
${yesptrn##^} ) make install; break;;
${noptrn##^} ) exit;;
* ) echo "Answer ${yesword} / ${noword}.";;
...
Looping in a spiral
...wered Oct 12 '09 at 15:29
Tom J NowellTom J Nowell
8,0791616 gold badges5555 silver badges8888 bronze badges
...
throw new std::exception vs throw std::exception
...m not really sure what you're asking about but it sounds like you want to know about the storage and/or lifetime of the exception object which might be answered here. If not you might be better off asking a separate question.
– CB Bailey
Apr 1 '13 at 17:09
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Automatic prune with Git fetch or pull
If someone deleted a remote branch because the work is over and I don't know, I won't do a git fetch --prune and eventually I will push back the deleted branch.
...
Which, if any, C++ compilers do tail-recursion optimization?
...
ICC would do so, I believe. To the best of my knowledge, ICC produces the fastest code on the market.
– Paul Nathan
Oct 21 '08 at 4:04
35
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Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition
... in Java, C++, and Python on this page: Features2D + Homography to find a known object
Both algorithms are invariant to scaling and rotation. Since they work with features, you can also handle occlusion (as long as enough keypoints are visible).
Image source: tutorial example
The processing takes a...
Injecting $scope into an angular service function()
.../services that need to have access to that info (if there aren't any right now, don't be surprised if they start popping up soon).
Every time a new student is added (using the service's save() method), the service's own array of students will be updated and every other object sharing that array will...
How do MySQL indexes work?
...
The first thing you must know is that indexes are a way to avoid scanning the full table to obtain the result that you're looking for.
There are different kinds of indexes and they're implemented in the storage layer, so there's no standard between t...
Structs versus classes
... a meaningful, user-focused, relevant performance metric, and then you'll know whether the change has a meaningful effect on real users in relevant scenarios.
Structs consume less heap memory (because they are smaller and more easily compacted, not because they are "on the stack"). But they take lo...
Connect to a heroku database with pgadmin
I would like to manage my heroku database with pgadmin client. By now, I've been doing this with psql .
When I use data from heroku pg:credentials to connect de DB using pgadmin , I obtain:
...