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How do I make CMake output into a 'bin' dir?
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$ cat CMakeLists.txt
project (hello)
set(EXECUTABLE_OUTPUT_PATH "bin")
add_executable (hello hello.c)
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How can I count all the lines of code in a directory recursively?
We've got a PHP application and want to count all the lines of code under a specific directory and its subdirectories. We don't need to ignore comments, as we're just trying to get a rough idea.
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What's the difference between a catalog and a schema in a relational database?
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From the relational point of view :
The catalog is the place where--among other things--all of the various schemas (external, conceptual, internal) and all of the corresponding mappings (external/conceptual, conceptual/internal) are kept.
In other words, the ...
string.charAt(x) or string[x]?
...n a string. The first is the charAt method, part of ECMAScript 3:
return 'cat'.charAt(1); // returns "a"
The other way is to treat the string as an array-like object, where each individual characters correspond to a numerical index. This has been supported by most browsers since their first v...
How can I make my own base image for Docker?
...he tar file to other docker system if not installed locally and import it
cat centos6-base.tar | docker import - centos6-base
Now you can verify by running it.
docker run -i -t centos6-base cat /etc/redhat-release
The scripts from dotcloud combine first two steps together which make me confus...
How to display long messages in logcat
I am trying to display long message on logcat. If the length of message is more than 1000 characters, it gets broken.
10 A...
sed in-place flag that works both on Mac (BSD) and Linux
Is there an invocation of sed todo in-place editing without backups that works both on Linux and Mac? While the BSD sed shipped with OS X seems to need sed -i '' … , the GNU sed Linux distributions usually come with interprets the quotes as empty input file name (instead of the backup exten...
Returning 'IList' vs 'ICollection' vs 'Collection'
...<T> but not the non-generic ICollection, then calling IEnumerable<Cat>.Count() on a Thing<Cat> would be fast, but calling IEnumerable<Animal>.Count() would be slow (since the extension method would look for, and not find, an implementation of ICollection<Cat>). If the ...
Creating a dictionary from a csv file?
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@Alex Laskin: Thanks for the clarification. I personally agreed with you but I think that if you're gonna call someone's code "non-pythonic" you should accompany that comment with a justification. I'd say that "shorter" and "faster" are not necessarily equival...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
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Take a look at cat /proc/stat
grep 'cpu ' /proc/stat | awk '{usage=($2+$4)*100/($2+$4+$5)} END {print usage "%"}'
EDIT please read comments before copy-paste this or using this for any serious work. This was not tested nor used, it's an i...