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Printf width specifier to maintain precision of floating-point value
...sense, but simply to define the number of digits after the decimal point. 1234567890.123, mathematically has 13 digits of precision or significant digits. 0.000000000123 has 3 digits of mathematical precision, not 13. Floating point numbers are logarithmically distributed.This answer uses signific...
Static methods in Python?
...dited Dec 14 '15 at 0:29
hichris123
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answered Apr 10 '09 at 16:00
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NOT using repository pattern, use the ORM as is (EF)
...how do you make Entity Framework work in a multi tenant environment?”.
https://stackoverflow.com/search?q=%5Bentity-framework%5D+multi+tenant
If you have a Repository abstraction then the answer is “it’s easy add a decorator”
public class RepositoryTennantFilterDecorator<T> : IRepos...
MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
...the privileges you already granted, e.g. run mysql -u root -p -h 192.168.1.123 or whichever local IP address your box have.
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How to check if a String contains another String in a case insensitive manner in Java?
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123
A Faster Implementation: Utilizing String.regionMatches()
Using regexp can be relatively slow...
Templated check for the existence of a class member function?
...to write a template that changes behavior depending on if a certain member function is defined on a class?
29 Answers
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Pointer expressions: *ptr++, *++ptr and ++*ptr
...hen increments dereferenced value
And here's a fourth, every bit as much fun as the other three:
(*ptr)++ // effectively forces a dereference, then increments dereferenced value
The first and second will crash if ptr is actually an array identifier. The third and fourth will crash if ptr points...
How Drupal works? [closed]
...can be confusing on this front, partially because it has a relatively deep function stack. Although it's procedural PHP it's purely event/listener driven in its architecture, and there's no simple "flow" in the main PHP script for you to look though. I recently did a presentation on this very subjec...
How can I profile C++ code running on Linux?
...ot precision of measure. So for example, there can be, mid-stack, a single function call A(); that accounts for 50% of time, but it can be in another large function B, along with many other calls to A() that are not costly. Precise summaries of function times can be a clue, but every other stack sam...
What are the differences between Perl, Python, AWK and sed? [closed]
...unced "tim-toady"). Perl has 'objects', but it is more of an add-on than a fundamental part of the language.
Python was written last, and probably in part as a reaction to Perl. It has some interesting syntactic ideas (indenting to indicate levels - no braces or equivalents). It is more fundamental...