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How do I include a pipe | in my linux find -exec command?
...le agrep process being spawned which would process all the output produced by numerous invocations of zcat.
If you for some reason would like to invoke agrep multiple times, you can do:
find . -name 'file_*' -follow -type f \
-printf "zcat %p | agrep -dEOE 'grep'\n" | sh
This constructs a li...
Difference between doseq and for in Clojure
...that's basically a coincidence: the REPL forces the lazy sequence produced by for, causing the printlns to happen. In a non-interactive environment, nothing will ever be printed. You can see this in action by comparing the results of
user> (def lazy (for [x [1 2 3]] (println 'lazy x)))
#'user/la...
Delete from the current cursor position to a given line number in vi editor
...
:a,bd
from current to b use
:,bd
(where a and b in code are replaced by your numbers)
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How do you add Boost libraries in CMakeLists.txt?
...can specify you desired configuration before calling find_package. Do this by setting some of the following variables to On: Boost_USE_STATIC_LIBS, Boost_USE_MULTITHREADED, Boost_USE_STATIC_RUNTIME
When searching for Boost on Windows, take care with the auto-linking. Read the "NOTE for Visual Studio...
Flat file databases [closed]
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SQLite was build into 5.0+ by default, but discountinued (!) from PHP 5.4+ on !!! As I write this in July 2012, SQLite will not work on up-to-date systems anymore by default. Official statement here
– Sliq
Jul 26 ...
Change a Git remote HEAD to point to something besides master
... creates a local branch with the same name as the remote branch referenced by it.
So to wrap that up, you have repo A and clone it:
HEAD references refs/heads/master and that exists
-> you get a local branch called master, starting from origin/master
HEAD references refs/heads/anotherBranch and...
Eclipse add Tomcat 7 blank server name
...mcat v7.0 runtime environment pointing to the wrong folder. This was fixed by going to Window - Preferences - Server - Runtime Environments, clicking on the runtime environment entry and clicking "Edit..." and then modifying the Tomcat installation directory.
...
How exactly does a generator comprehension work?
... them into list, it waits, and yields each item out of the expression, one by one.
>>> my_list = [1, 3, 5, 9, 2, 6]
>>> filtered_list = [item for item in my_list if item > 3]
>>> print(filtered_list)
[5, 9, 6]
>>> len(filtered_list)
3
>>> # compare to...
what is the most efficient way of counting occurrences in pandas?
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I think df['word'].value_counts() should serve. By skipping the groupby machinery, you'll save some time. I'm not sure why count should be much slower than max. Both take some time to avoid missing values. (Compare with size.)
In any case, value_counts has been specifical...
Validate a username and password against Active Directory?
...t a non-existant user. As a result, you may want to call UserPrinciple.FindByIdentity to see if the passed in user ID exists first.
– Chris J
Sep 8 '11 at 15:17
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