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How do I add custom field to Python log format string?

... pass the extra info with every logging call: import logging extra = {'app_name':'Super App'} logger = logging.getLogger(__name__) syslog = logging.StreamHandler() formatter = logging.Formatter('%(asctime)s %(app_name)s : %(message)s') syslog.setFormatter(formatter) logger.setLevel(logging.INFO) l...
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How does Facebook disable the browser's integrated Developer Tools?

...ason. Chrome wraps all console code in with ((console && console._commandLineAPI) || {}) { <code goes here> } ... so the site redefines console._commandLineAPI to throw: Object.defineProperty(console, '_commandLineAPI', { get : function() { throw 'Nooo!' } }) This is not qu...
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Difference between int32, int, int32_t, int8 and int8_t

I came across the data type int32_t in a C program recently. I know that it stores 32 bits, but don't int and int32 do the same? ...
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history.replaceState() example?

... For jquery users.. try $("title").html(_title); – suraj jain Sep 5 '16 at 13:11 ...
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What is the most effective way for float and double comparison?

...all depends on context and the expected size of a and b. BTW, std::numeric_limits<double>::epsilon() is the "machine epsilon". It is the difference between 1.0 and the next value representable by a double. I guess that it could be used in the compare function but only if the expected values a...
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What does “hashable” mean in Python?

...if it has a hash value which never changes during its lifetime (it needs a __hash__() method), and can be compared to other objects (it needs an __eq__() or __cmp__() method). Hashable objects which compare equal must have the same hash value. Hashability makes an object usable as a dictionary ...
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How can I expand the full path of the current file to pass to a command in Vim?

...ught me here, this should be the chosen answer. – doc_id Mar 2 '13 at 1:15 add a comment  |  ...
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Should I URL-encode POST data?

...ould read the documentation here. Here's the relevant information: CURLOPT_POST TRUE to do a regular HTTP POST. This POST is the normal application/x-www-form-urlencoded kind, most commonly used by HTML forms. CURLOPT_POSTFIELDS The full data to post in a HTTP "POST" operation. To post a file, prep...
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How to throw an exception in C?

...m Wikipedia #include <stdio.h> #include <setjmp.h> static jmp_buf buf; void second(void) { printf("second\n"); // prints longjmp(buf,1); // jumps back to where setjmp // was called - making setjmp now return 1 } void firs...
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Understanding repr( ) function in Python

...x and then calls repr('foo'). >>> repr(x) "'foo'" >>> x.__repr__() "'foo'" repr actually calls a magic method __repr__ of x, which gives the string containing the representation of the value 'foo' assigned to x. So it returns 'foo' inside the string "" resulting in "'foo'". The ...