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Chrome sendrequest error: TypeError: Converting circular structure to JSON

...mit": null, "size": 0, "chunks": [], "writable": true, "readable": false, "_events": { "pipe": [null, null], "error": [null] }, "before": [null], "after": [], "response": { "output": [], "outputEncodings": [], "writable": true, "_last": false, "chunkedEncoding": false, ...
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What breaking changes are introduced in C++11?

...nity, whereas C++0x always rounds the result toward 0. (admittedly not really a compatibility problem for most people). Valid C++ 2003 code that uses the keyword auto as a storage class specifier may be invalid in C++0x. Narrowing conversions cause incompatibilities with C++03. For ex...
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What exactly is a Context in Java? [duplicate]

...mming in Java, you have a Request, and a Response. These are passed to the service method of a Servlet. A property of the Servlet is the ServletConfig, and within that is a ServletContext. The ServletContext is used to tell the servlet about the Container that the Servlet is within. So, the Servl...
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Convenient C++ struct initialisation

... Since style A is not allowed in C++ and you don't want style B then how about using style BX: FooBar fb = { /*.foo=*/ 12, /*.bar=*/ 3.4 }; // :) At least help at some extent. ...
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How to read a large file - line by line?

... The for line in f treats the file object f as an iterable, which automatically uses buffered I/O and memory management so you don't have to worry about large files. There should be one -- and preferably only one -- obvious way to do it. ...
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What is the python keyword “with” used for? [duplicate]

...t in an object that supports the context management protocol (that is, has __enter__() and __exit__() methods). Update fixed VB callout per Scott Wisniewski's comment. I was indeed confusing with with using. share ...
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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'

...ead: For a supplementary character, utf8 cannot store the character at all, while utf8mb4 requires four bytes to store it. Since utf8 cannot store the character at all, you do not have any supplementary characters in utf8 columns and you need not worry about converting characters or losi...
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Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?

...tionDidBecomeActiveNotification and specify which method that you want to call when that notification gets sent to your application. [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(someMethod:) ...
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To ARC or not to ARC? What are the pros and cons? [closed]

...t has no GC runtime overhead. The compiler inserts retains and releases in all the places you should have anyway. But it's smarter than you and can optimize out the ones that aren't actually needed (just like it can unroll loops, eliminate temporary variables, inline functions, etc.) OK, now I will...
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Convert Base64 string to an image file? [duplicate]

... data in the function before decoding the string, like so. function base64_to_jpeg($base64_string, $output_file) { // open the output file for writing $ifp = fopen( $output_file, 'wb' ); // split the string on commas // $data[ 0 ] == "data:image/png;base64" // $data[ 1 ] == &l...