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What's the difference between integer class and numeric class in R
...to preface this by saying I'm an absolute programming beginner, so please excuse how basic this question is.
4 Answers
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std::unique_ptr with an incomplete type won't compile
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Here are some examples of std::unique_ptr with incomplete types. The problem lies in destruction.
If you use pimpl with unique_ptr, you need to declare a destructor:
class foo
{
class impl;
std::unique_ptr<impl> impl_;
pub...
How to keep up with the latest versions of Node.js in Ubuntu? PPA? Compiling?
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You could also use tools like for example nvm which can help you install node and even have multiple versions.
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How does numpy.histogram() work?
...range that represents the width of a single bar of the histogram along the X-axis. You could also call this the interval. (Wikipedia defines them more formally as "disjoint categories".)
The Numpy histogram function doesn't draw the histogram, but it computes the occurrences of input data that fall...
adding header to python requests module
... do this to set a header for all future gets for the Session object, where x-test will be in all s.get() calls:
s = requests.Session()
s.auth = ('user', 'pass')
s.headers.update({'x-test': 'true'})
# both 'x-test' and 'x-test2' are sent
s.get('http://httpbin.org/headers', headers={'x-test2': 'true...
Including a .js file within a .js file [duplicate]
...ally do like this, create new element and attach that to <head>
var x = document.createElement('script');
x.src = 'http://example.com/test.js';
document.getElementsByTagName("head")[0].appendChild(x);
You may also use onload event to each script you attach, but please test it out, I am not ...
When to use %r instead of %s in Python? [duplicate]
On Learn Python the Hard Way page 21, I see this code example:
4 Answers
4
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How can I visualize per-character differences in a unified diff file?
...s named foo.diff or foo.patch this happens automatically; otherwise type M-x diff-mode RET), go to the hunk you are interested in and hit C-c C-b for refine-hunk. Or step through the file one hunk at a time with M-n; that will do the refining automatically.
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Node.js: How to send headers with form data using request module?
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'Content-Length': contentLength,
'Content-Type': 'application/x-www-form-urlencoded'
},
uri: 'http://myUrl',
body: formData,
method: 'POST'
}, function (err, res, body) {
//it works!
});
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What is meant by 'first class object'?
... are 'first class' objects. What does the 'first class' mean in this context, as opposed to other objects?
11 Answers
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