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Easy way to test a URL for 404 in PHP?
...08 Jan 2003 23:11:55 GMT
[ETag] => "3f80f-1b6-3e1cb03b"
[Accept-Ranges] => bytes
[Content-Length] => 438
[Connection] => close
[Content-Type] => text/html
)
Therefore you could just check to see that the header response was OK eg:
$headers = get_headers($url, 1)...
Send file using POST from a Python script
...ing (length):
return ''.join (random.choice (string.letters) for ii in range (length + 1))
def encode_multipart_data (data, files):
boundary = random_string (30)
def get_content_type (filename):
return mimetypes.guess_type (filename)[0] or 'application/octet-stream'
def en...
Sound effects in JavaScript / HTML5
...
false, //reverse bend
0, //random pitch range
25, //dissonance
[0.2, 0.2, 2000], //echo array: [delay, feedback, filter]
undefined //reverb array: [duration, decay, reverse?]
);
}
Summary
Each of these libraries are worth a lo...
How to calculate moving average without keeping the count and data-total?
...mple, consider the behaviour you expect when most of the points are in the range 2 to 4 but one value is upwards of a million. An EWMA (here) will hold onto traces of that million for quite some time. A finite convolution, as indicated by OP, would lose it immediately after N steps. It does have ...
How do I concatenate or merge arrays in Swift?
...has the following declaration:
Appends the elements of a sequence to a range-replaceable collection.
static func += <Other>(lhs: inout Array<Element>, rhs: Other) where Other : Sequence, Self.Element == Other.Element
The following Playground sample code shows how to append the el...
How do I write a correct micro-benchmark in Java?
... Do not expect too much from micro-benchmarks; they measure only a limited range of JVM performance characteristics.
Rule 1: Always include a warmup phase which runs your test kernel all the way through, enough to trigger all initializations and compilations before timing phase(s). (Fewer iteration...
Is there any overhead to declaring a variable within a loop? (C++)
...
problem is that such an optimizer will use live range analysis, and both variables are rather dead.
– MSalters
Jun 12 '09 at 15:17
...
Should I pass a shared_ptr by reference? [duplicate]
...e to do the same for std::shared_ptr in order to get some performance gain ranging from irrelevant to substantial, depending on the exact situation. If const whatever& is black magic to you, stay away from it, it's not worth the risk.
– wolfgang
Dec 5 '11 a...
What are carriage return, linefeed, and form feed?
...
The FF char may seem strange today (along with the "CTRL-G" bell char) but it had more relevance back when video displays were far less common and hard copy terminals were used as data displays.
– Rick Sarvas
...
What are advantages of Artificial Neural Networks over Support Vector Machines? [closed]
...bounded functions f(.) and bounded universal approximators on I=[0,1] with range again I=[0,1] for example that are parametrized by a real sequence of compact support U(.,a) with the property that there exists a sequence of sequences with
lim sup { |f(x) - U(x,a(k) ) | : x } =0
and you draw examp...