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C/C++ check if one bit is set in, i.e. int variable
... a std::bitset if it's C++. Simple. Straight-forward. No chance for stupid errors.
typedef std::bitset<sizeof(int)> IntBits;
bool is_set = IntBits(value).test(position);
or how about this silliness
template<unsigned int Exp>
struct pow_2 {
static const unsigned int value = 2 * po...
What Vim command(s) can be used to quote/unquote words?
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– th3penguinwhisperer
Apr 7 '17 at 11:05
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pythonic way to do something N times without an index variable?
Every day I love python more and more.
8 Answers
8
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Anatomy of a “Memory Leak”
...excessive collection, to a series of memory exceptions and finally a fatal error followed by forced process termination.
You know an application has a memory problem when monitoring shows that more and more memory is allocated to your process after each garbage collection cycle. In such case, you a...
Is arr.__len__() the preferred way to get the length of an array in Python?
In Python , is the following the only way to get the number of elements?
8 Answers
8
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How to catch integer(0)?
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assert_is_empty(x)
x <- 0L
assert_is_integer(x)
assert_is_empty(x)
## Error: is_empty : x has length 1, not 0.
x <- numeric(0)
assert_is_integer(x)
assert_is_empty(x)
## Error: is_integer : x is not of class 'integer'; it has class 'numeric'.
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Download and open PDF file using Ajax
...h: function (response, status, xhr, self, filename) {
},
onErrorOccured: function (response, status, xhr, self) {
}
};
this.download = function () {
var self = this;
$.ajax({
type: this.settings.type,
url: this.settings.url,
...
Have bash script answer interactive prompts [duplicate]
Is it possible to have a bash script automatically handle prompts that would normally be presented to the user with default actions? Currently I am using a bash script to call an in-house tool that will display prompts to the user (prompting for Y/N) to complete actions, however the script I'm writ...
How do you run a single test/spec file in RSpec?
I want to be able to run a single spec file's tests — for the one file I'm editing, for example. rake spec executes all the specs. My project is not a Rails project, so rake spec:doc doesn't work.
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How do I encode/decode HTML entities in Ruby?
I am trying to decode some HTML entities, such as '&amp;lt;' becoming '<' .
7 Answers
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