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How to track down a “double free or corruption” error

... If you're using glibc, you can set the MALLOC_CHECK_ environment variable to 2, this will cause glibc to use an error tolerant version of malloc, which will cause your program to abort at the point where the double free is done. You can set this from gdb by using ...
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hasNext in Python iterators?

...thod to put the first element back after I have checked that it exists by calling next(). – Giorgio Dec 24 '12 at 20:26 16 ...
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Favicon not showing up in Google Chrome [duplicate]

...rver). Only if the file/icon would be in the downloads directory chrome is allowed to load this data - more information about this can be found here: local (file://) website favicon works in Firefox, not in Chrome or Safari- why? Renaming Try to rename it from favicon.{whatever} to {yourfaviconnam...
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Does reading an entire file leave the file handle open?

...hat on the particular Python implementation. To understand what this is all about, pay particular attention to the actual file object. In your code, that object is mentioned only once, in an expression, and becomes inaccessible immediately after the read() call returns. This means that the file...
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Handlebars.js Else If

... {{#if FriendStatus.IsFriend}} <div class="ui-state-default ui-corner-all" title=".ui-icon-mail-closed"><span class="ui-icon ui-icon-mail-closed"></span></div> {{else if FriendStatus.FriendRequested}} <div class="ui-state-default ui-corner-all" title=".ui-icon-check"&g...
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What is Python used for? [closed]

...s not specialised to a specific target of users (like R for statistics, or PHP for web programming). It is extended through modules and libraries, that hook very easily into the C programming language. Python enforces correct indentation of the code by making the indentation part of the syntax. Ther...
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How to process SIGTERM signal gracefully?

... @Mausy5043 Python allows you to not have parenthesis for defining classes. Although it's perfectly fine for python 3.x, but for python 2.x, best practice is to use "class XYZ(object):". Reason being: docs.python.org/2/reference/datamodel.html#...
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Getting distance between two points based on latitude/longitude

...just on answering the specific bug OP ran into. It's because in Python, all the trig functions use radians, not degrees. You can either convert the numbers manually to radians, or use the radians function from the math module: from math import sin, cos, sqrt, atan2, radians # approximate radiu...
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How does _gaq.push(['_trackPageLoadTime']) work?

...precated and its functionality has been set as a default setting. (Functionally speaking, it has gone from being an opt-in feature to being an opt-out feature.) _setSiteSpeedSampleRate is the new function for setting the sample rate on this feature; its default value is 1 (as in 1%). To opt out of ...
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How to include external Python code to use in other files?

...ods in a file, is there a way to include those files in another file, but call them without any prefix (i.e. file prefix)? ...