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How do I run a program with a different working directory from current, from Linux shell?
... Linux shell , how do I start a program with a different working directory from the current working directory?
11 Answers
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How to list the size of each file and directory and sort by descending size in Bash?
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Ah, sorry, that was not clear from your post. You want du, seems someone has posted it. @sehe: Depends on your definition of real — it is showing the amount of space the directory is using to store itself. (It's just not also adding in the size of the s...
Split an NSString to access one particular piece
... get any exceptions thrown in the case of a corrupt or invalid date string from whatever source you have.
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Python: finding an element in a list [duplicate]
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From Dive Into Python:
>>> li
['a', 'b', 'new', 'mpilgrim', 'z', 'example', 'new', 'two', 'elements']
>>> li.index("example")
5
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Is it possible to use argsort in descending order?
...ve that the big elements are coming last in the argsort. So, you can read from the tail of the argsort to find the n highest elements:
avgDists.argsort()[::-1][:n]
Both methods are O(n log n) in time complexity, because the argsort call is the dominant term here. But the second approach has a ...
Why doesn't django's model.save() call full_clean()?
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The most helpful excerpt (IMHO) from the second reference: "Developing an "automatic" validation option which is both simple enough to actually be useful and robust enough to handle all the edge cases is -- if it's even possible -- far more than can be acco...
Linux - Install redis-cli only
...x server with Redis installed and I want to connect to it via command line from my local Linux machine.
12 Answers
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Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
...;> raise Rails.root
RuntimeError: /home/marcin/work/github/project1
from (irb):17
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I also really encourage you to try ruby-debug:
http://railscasts.com/episodes/54-debugging-with-ruby-debug
http://www.sitepoint.com/article/debug-rails-app-ruby-debug/
http://www.datanoise.com/arti...
In PHP, how to detect the execution is from CLI mode or through browser ? [duplicate]
... I need only for non cron files. How can I detect whether the execution is from CLI or through browser (I know it can be done by passing some arguments with the cron files but I dont have access to crontab). Is there any other way ?
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In a URL, should spaces be encoded using %20 or +? [duplicate]
...ring (and in the query string only) may be encoded as either "%20" or "+". From the section "Query strings" under "Recommendations":
Within the query string, the plus sign is reserved as shorthand notation for a space. Therefore, real plus signs must be encoded. This method was used to make quer...