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str performance in python
While profiling a piece of python code ( python 2.6 up to 3.2 ), I discovered that the
str method to convert an object (in my case an integer) to a string is almost an order of magnitude slower than using string formatting.
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File content into unix variable with newlines
...anscript for a demo:
pax> cat num1.txt ; x=$(cat num1.txt)
line 1
line 2
pax> echo $x ; echo '===' ; echo "$x"
line 1 line 2
===
line 1
line 2
The reason why newlines are replaced with spaces is not entirely to do with the echo command, rather it's a combination of things.
When given a ...
Javadoc: package.html or package-info.java
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271
package-info.java: "This file is new in JDK 5.0, and is preferred over package.html."—javado...
What is the difference between ~> and >= when specifying rubygem in Gemfile?
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2 Answers
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How do you increase the max number of concurrent connections in Apache?
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2 Answers
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Active
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Adding a new array element to a JSON object
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242
JSON is just a notation; to make the change you want parse it so you can apply the changes to ...
What is the difference between ndarray and array in numpy?
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232
numpy.array is just a convenience function to create an ndarray; it is not a class itself.
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cannot load such file — zlib even after using rvm pkg install zlib
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201
I ended up installing zlib from apt-get and then reinstalling ruby to not use the rvm director...
Storing a Map using JPA
...nnotations to persist the attributes map in the following class using JPA2
2 Answers
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How to inspect the return value of a function in GDB?
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121
I imagine there are better ways to do it, but the finish command executes until the current sta...