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Else clause on Python while statement
...as an if/else construct with respect to the condition:
if condition:
handle_true()
else:
handle_false()
is analogous to the looping construct:
while condition:
handle_true()
else:
# condition is false now, handle and go on with the rest of the program
handle_false()
An exam...
Android, getting resource ID from string?
...ne of my classes. It needs to use both the id that the reference points to and also it needs the string. How should I best achieve this?
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Convert form data to JavaScript object with jQuery
...se serializeArray is already written, is unit tested in multiple browsers, and could theoretically be improved in later versions of jQuery. The less code you write that has to access inconsistent things like DOM elements directly, the more stable your code will be.
– Tobias Coh...
How can I make Flexbox children 100% height of their parent?
... Please add removing height: 100% to the answer - I nearly gave up and only saw this at the last moment before reverting to absolute - which comes with all sorts of problems.
– Peter
May 2 at 10:18
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How to atomically delete keys matching a pattern using Redis
...ing: As the Redis document says, because of performance maters, keys
command should not use for regular operations in production, this
command is intended for debugging and special operations. read
more
See the EVAL documentation.
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What requests do browsers' “F5” and “Ctrl + F5” refreshes generate?
Is there a standard for what actions F5 and Ctrl + F5 trigger in web browsers?
6 Answers
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What is the difference between 'E', 'T', and '?' for Java generics?
...the Java programming language
Angelika Langer's Java Generics FAQ (massive and comprehensive; more for reference though)
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Case-insensitive string comparison in C++ [closed]
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Boost includes a handy algorithm for this:
#include <boost/algorithm/string.hpp>
// Or, for fewer header dependencies:
//#include <boost/algorithm/string/predicate.hpp>
std::string str1 = "hello, world!";
std::string str2 = "HELL...
When should iteritems() be used instead of items()?
...places? Why was iteritems() removed from Python 3? Seems like a terrific and useful method. What's the reasoning behind it?
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Reorder levels of a factor without changing order of values
I have data frame with some numerical variables and some categorical factor variables. The order of levels for those factors is not the way I want them to be.
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