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What is external linkage and internal linkage?
...e to control when it is constructed due to issues with global construction order and can't dynamically allocate it using new while more in-depth initialization schemes may be beyond what is necessary for the object in question; by implication, this is mainly an issue on embedded systems that use C++...
How to sum array of numbers in Ruby?
.../en.wikipedia.org/wiki/MapReduce
http://en.wikipedia.org/wiki/Fold_(higher-order_function)
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Wrapping a C library in Python: C, Cython or ctypes?
...o C for you. Or, you can start rewriting parts of your C code in Cython in order to avoid calls and to specialise and tighten your loops algorithmically. And if you need a fast callback, just write a function with the appropriate signature and pass it into the C callback registry directly. Again, no...
How to implement a rule engine?
...ool IsEnabled { get; set; }
/// <summary>
/// Represents the order in which a rule should be executed relative to other rules
/// </summary>
int SortOrder { get; set; }
}
The "Expression" is compiled as the body of the "Test" method when the application first executes....
How SID is different from Service name in Oracle tnsnames.ora
...ich this instance connects. You can
specify multiple services names in
order to distinguish among different
uses of the same database. For
example:
SERVICE_NAMES = sales.acme.com,
widgetsales.acme.com
You can also use service names to
identify a single service that is
availab...
window.location.href and window.open () methods in JavaScript
...
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Java 7 language features with Android
... @Amit because he's come to realize Android is different from Java and in order to work with Android he has to use the tools that is offered.
– Warpzit
Oct 30 '12 at 9:01
2
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Split (explode) pandas dataframe string entry to separate rows
...se)
.fillna(fill_value))
# revert the original index order
res = res.sort_index()
# reset index if requested
if not preserve_index:
res = res.reset_index(drop=True)
return res
Demo:
Multiple list columns - all list columns must have the same #...
Add Variables to Tuple
...confusion between an element in parentheses. Plain parentheses are used in order of operations, so (7) is just 7. But (7,) is a one-element tuple where the element is 7. Likewise, 3 * ( 7+8) = 45, but 3 * (7+8,) = (15, 15, 15) -- does that make sense?
– Daniel
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What is the relative performance difference of if/else versus switch statement in Java?
... Thank you very much for your update. I mean, they differ by one order of magnitude - wich is possible of course. Are you sure that the compiler did not just optimze the switches away?
– DerMike
May 5 '14 at 12:52
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