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Why is creating a new process more expensive on Windows than Linux?
...pecially for the latter it is not uncommon to have processes (e.g. mail or http daemons) that split off processes to handle specific jobs (e.g. taking care of one incoming connection). An important factor in doing this is the cheap fork method (that, as mentioned by Rob Walker (47865), initially use...
Explain ExtJS 4 event handling
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Exit Shell Script Based on Process Exit Code
...
http://cfaj.freeshell.org/shell/cus-faq-2.html#11
How do I get the exit code of cmd1 in cmd1|cmd2
First, note that cmd1 exit code could be non-zero and still don't
mean an error. This happens for instance in
cmd | head -1...
Convert a Unicode string to a string in Python (containing extra symbols)
...bytes, which are used to represent data (which may be an encoded string).
http://docs.python.org/3.1/whatsnew/3.0.html#text-vs-data-instead-of-unicode-vs-8-bit
(Of course, if you're currently using Python 3, then the problem is likely something to do with how you're attempting to save the text to ...
What does bundle exec rake mean?
...l aliases.
See more on the man page.
Here's an example Gemfile:
source 'http://rubygems.org'
gem 'rails', '2.8.3'
Here, bundle exec would execute the script using rails version 2.8.3 and not some other version you may have installed system-wide.
...
Extract a part of the filepath (a directory) in Python
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Does adding a duplicate value to a HashSet/HashMap replace the previous value
...
It the case of HashSet, it does NOT replace it.
From the docs:
http://docs.oracle.com/javase/6/docs/api/java/util/HashSet.html#add(E)
"Adds the specified element to this set if it is not already present. More formally, adds the specified element e to this set if this set contains no ele...
Difference between List, List, List, List, and List
...itance, generics, abstractions, and wildcards in declarations quite well.
http://www.javapuzzlers.com/
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What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
...y and should be assigned to a variable of required type.
Reference URL:
http://nareshkamuni.blogspot.in/2012/05/what-is-difference-between.html
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How to create CSV Excel file C#? [closed]
...ple git-repository out of the topic-starter's code and all the additions:
https://github.com/jitbit/CsvExport
I also added a couple of useful fixes myself. Everyone could add suggestions, fork it to contribute etc. etc. etc. Send me your forks so I merge them back into the repo.
PS. I posted all ...