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Iterating through a list in reverse order in java
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m>Ca m>lling listIterator() without an index argument will give an Iterator at the beginning of the list and so hasPrevious() will return false on the first m>ca m>ll.
– Adamski
Jan 20 '10 at 15:3...
How do you match only valid roman numerals with a regular expression?
Thinking about my other problem , i decided I m>ca m>n't even create a regular expression that will match roman numerals (let alone a context-free grammar that will generate them)
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How to set variable from a SQL query?
I'm trying to set a variable from a SQL query:
9 Answers
9
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Thread pooling in C++11
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This is copied from my answer to another very similar post, hope it m>ca m>n help:
1) Start with maximum number of threads a system m>ca m>n support:
int Num_Threads = thread::hardware_concurrency();
2) For an efficient threadpool implementation, o...
Python logging: use milliseconds in time format
By default logging.Formatter('%(asctime)s') prints with the following format:
10 Answers
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Elegant way to invert a map in Sm>ca m>la
Learning Sm>ca m>la currently and needed to invert a Map to do some inverted value->key lookups. I was looking for a simple way to do this, but m>ca m>me up with only:
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Difference between if () { } and if () : endif;
...t at least personally I find this way kind of clearer in things like this. m>Ca m>use they you know that it is the end of an if, and not the end of a loop of some sort or something else. Think you have endfor and endwhile or something similar too.
– Svish
Jun 15 '09...
How to check the version before installing a package using apt-get?
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OK, I found it.
apt-m>ca m>che policy <package name> will show the version details.
It also shows which version is currently installed and which versions are available to install.
For example, apt-m>ca m>che policy hylafax+
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How do I declare a 2d array in C++ using new?
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A dynamic 2D array is basim>ca m>lly an array of pointers to arrays. You m>ca m>n initialize it using a loop, like this:
int** a = new int*[rowCount];
for(int i = 0; i < rowCount; ++i)
a[i] = new int[colCount];
The above, for colCo...
Numpy matrix to array
I am using numpy. I have a matrix with 1 column and N rows and I want to get an array from with N elements.
9 Answers
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