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Parsing JSON from XmlHttpRequest.responseJSON
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I think you have to include jQuery to use responseJSON.
Without jQuery, you could try with responseText and try like eval("("+req.responseText+")");
UPDATE:Please read the comment regarding eval, you can test with eval, but don't use it in wor...
Passing a std::array of unknown size to a function
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I tried below and it just worked for me.
#include <iostream>
#include <array>
using namespace std;
// made up example
void mulArray(auto &arr, const int multiplier)
{
for(auto& e : arr)
{
e *= multiplier;
}
}
void dispArra...
data.table vs dplyr: can one do something well the other can't or does poorly?
...aster than dplyr as the number of groups and/or rows to group by increase, including benchmarks by Matt on grouping from 10 million to 2 billion rows (100GB in RAM) on 100 - 10 million groups and varying grouping columns, which also compares pandas. See also updated benchmarks, which include Spark a...
What is the correct way to start a mongod service on linux / OS X?
... Heads up to OSX users: I installed mongo via homebrew and it included /usr/local/Cellar/mongodb/2.4.5-x86_64/homebrew.mxcl.mongodb.plist (and was properly configured for my installation). Just copied homebrew.mxcl.mongodb.plist into LaunchAgents and followed the rest of these instructi...
How can I find out if I have Xcode commandline tools installed?
...ing like this: --prefix=/Library/Developer/CommandLineTools/usr --with-gxx-include-dir=/usr/include/c++/4.2.1 Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
– Siavash Alp
Jan 22 '14 at 4:47
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git pull while not in a git directory
...ty, 2015-03-06, Git v2.3.4).
That means the documentation now (finally) includes:
If '<path>' is present but empty, e.g. -C "", then the current working directory is left unchanged.
You can see git -C used with Git 2.26 (Q1 2020), as an example.
See commit b441717, commit 9291e63, ...
R command for setting working directory to source file location in Rstudio
... your own answer at stackoverflow.com/a/35842176/1247080 works (one must include the dirname though). I added it
– Stat-R
Apr 15 '16 at 19:15
...
What's the difference between encoding and charset?
...t sounds like, a set of characters. There are a large number of charsets, including many that are intended for particular scripts or languages.
However, we are well along the way in the transition to Unicode, which includes a character set capable of representing almost all the world's scripts. ...
Trim spaces from start and end of string
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Note: As of 2015, all major browsers (including IE>=9) support String.prototype.trim(). This means that for most use cases simply doing str.trim() is the best way of achieving what the question asks.
Steven Levithan analyzed many different implementation o...
vertical-align with Bootstrap 3
...-items sets the default alignment for all of the flex container’s items, including anonymous flex items.
align-items: center;
By center value, the flex item’s margin box is centered in the cross axis within the line.
Big Alert
Important note #1: Twitter Bootstrap doesn't specify the ...