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How to find out if an item is present in a std::vector?
...ctor>
if ( std::find(vec.begin(), vec.end(), item) != vec.end() )
do_this();
else
do_that();
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What does O(log n) mean exactly?
... John FeminellaJohn Feminella
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Is it possible to declare a variable in Gradle usable in Java?
... you can use the defaultConfig block as well: stackoverflow.com/a/51521146/321354
– rciovati
Oct 20 '18 at 12:49
Do yo...
Can I install Python 3.x and 2.x on the same Windows computer?
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edited Jun 29 '16 at 10:32
answered Jun 29 '16 at 8:18
Iv...
C++ templates Turing-complete?
...te<typename List, int N, typename = void>
struct GetItem {
static_assert(N > 0, "index cannot be negative");
static_assert(GetSize<List>::value > 0, "index too high");
typedef typename GetItem<typename List::tail, N-1>::type type;
};
template<typename List>...
How to install the JDK on Ubuntu Linux
...dk see here
– naomi
Oct 25 '16 at 5:32
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Summarizing multiple columns with dplyr? [duplicate]
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The dplyr package contains summarise_all for this aim:
library(dplyr)
df %>% group_by(grp) %>% summarise_all(list(mean))
#> # A tibble: 3 x 5
#> grp a b c d
#> <int> <dbl> <dbl> <dbl> <dbl>
#>...
How to get function parameter names/values dynamically?
...eturn an array of the parameter names of any function passed in.
var STRIP_COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/mg;
var ARGUMENT_NAMES = /([^\s,]+)/g;
function getParamNames(func) {
var fnStr = func.toString().replace(STRIP_COMMENTS, '');
var result = fnStr.slice(fnStr.indexOf('(')+1, fnS...
Label Alignment in iOS 6 - UITextAlignment deprecated
...f UITextAlignmentCenter and a list of other replacements is below:
#ifdef __IPHONE_6_0 // iOS6 and later
# define UITextAlignmentCenter NSTextAlignmentCenter
# define UITextAlignmentLeft NSTextAlignmentLeft
# define UITextAlignmentRight NSTextAlignmentRight
# define UILineBreakM...
Loop backwards using indices in Python?
...as no way to tell the xrange to go backwards... (Since Python 2.6 it calls __reversed__().)
– Robert Siemer
Jun 21 '12 at 18:31
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