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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)...
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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...
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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...
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How to read keyboard-input?

... try raw_input('Enter your input:') # If you use Python 2 input('Enter your input:') # If you use Python 3 and if you want to have a numeric value just convert it: try: mode=int(raw_input('Input:')) except ValueErro...
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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...
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Node.js: how to consume SOAP XML web service

...re I could send a request and make sure it worked and I could also use the Raw or HTML data to help me build an external request. Raw from SoapUI for my request POST http://192.168.0.28:10005/MainService/WindowsService HTTP/1.1 Accept-Encoding: gzip,deflate Content-Type: text/xml;charset=UTF-8 SOA...
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Equivalent of LIMIT and OFFSET for SQL Server?

...o select 11 to 20 rows in SQL Server: SELECT email FROM emailTable WHERE user_id=3 ORDER BY Id OFFSET 10 ROWS FETCH NEXT 10 ROWS ONLY; OFFSET: number of skipped rows NEXT: required number of next rows Reference: https://docs.microsoft.com/en-us/sql/t-sql/queries/select-order-by-clause-transac...
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Python: TypeError: cannot concatenate 'str' and 'int' objects [duplicate]

... a: 3 Enter b: 7 a + b as strings: 37 a + b as integers: 10 with: a = raw_input("Enter a: ") b = raw_input("Enter b: ") print "a + b as strings: " + a + b # + everywhere is ok since all are strings a = int(a) b = int(b) c = a + b print "a + b as integers: ", c ...
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Use HTML5 to resize an image before upload

... canvas.height = height; canvas.getContext('2d').drawImage(image, 0, 0, width, height); var dataUrl = canvas.toDataURL('image/jpeg'); var resizedImage = dataURLToBlob(dataUrl); $.event.trigger({ type: "image...
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Why do I get TypeError: can't multiply sequence by non-int of type 'float'?

... raw_input returns a string (a sequence of characters). In Python, multiplying a string and a float makes no defined meaning (while multiplying a string and an integer has a meaning: "AB" * 3 is "ABABAB"; how much is "L" * 3.1...