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Extract a regular expression match
...rary(stringr)
str_locate("aaa12xxx", "[0-9]+")
# start end
# [1,] 4 5
str_extract("aaa12xxx", "[0-9]+")
# [1] "12"
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Difference between app.all('*') and app.use('/')
..... GET, POST, etc).
NOTICE: app.router has been deprecated in express 4.x
app.use() attaches to the application's main middleware stack, so it's used in the order specified by middleware. eg, if you put it first, it will be the first thing to run. If you put it last, (after the router), it u...
Easiest way to convert int to string in C++
... of std::string.
#include <string>
std::string s = std::to_string(42);
is therefore the shortest way I can think of. You can even omit naming the type, using the auto keyword:
auto s = std::to_string(42);
Note: see [string.conversions] (21.5 in n3242)
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Mongoose subdocuments vs nested schema
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answered May 11 '13 at 4:53
AndyLAndyL
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What is Java String interning?
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242
http://docs.oracle.com/javase/7/docs/api/java/lang/String.html#intern()
Basically doing String...
Why should I use Deque over Stack?
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answered Sep 21 '12 at 5:49
Jon SkeetJon Skeet
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Difference between classification and clustering in data mining? [closed]
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243
In general, in classification you have a set of predefined classes and want to know which class...
How to install Hibernate Tools in Eclipse?
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edited Nov 30 '13 at 8:34
UdayKiran Pulipati
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a...
Fastest way to check if a string is JSON in PHP?
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Henrik P. HesselHenrik P. Hessel
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How to convert JSON to XML or XML to JSON?
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428
Yes. Using the JsonConvert class which contains helper methods for this precise purpose:
// T...