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Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?

...that the address of the array was saved in a register so it could optimize based upon that, but the debugger simply knew the address of a constant. Thus, before a statement MyArray[0] = 4; I could check the adddress of MyArray, and look at that location before and after the statement executed; it w...
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How do I install from a local cache with pip?

... using. That will be specified in the file name, like -cp27-none-linux_x86_64 for CPython 2.7 on a 64-bit Linux, etc. share | improve this answer | follow | ...
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What is the maximum recursion depth in Python, and how to increase it?

... In my case i forgot the return statement in the base case and it went on to exceed 1000. Python started throwing this exception and i was amazed, because i was sure about the no. of stacks its going to create to run it. – vijayraj34 M...
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Adding a parameter to the URL with JavaScript

...rch = params; } This is approximately twice as fast as a regex or search based solution, but that depends completely on the length of the querystring and the index of any match the slow regex method I benchmarked against for completions sake (approx +150% slower) function insertParam2(key,valu...
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Random number generator only generating one random number

... @Florin - there is no difference re "stack based" between the two. Static fields are just as much "external state", and will absolutely be shared between callers. With instances, there is a good chance that different threads have different instances (a common pattern)...
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Mismatch Detected for 'RuntimeLibrary'

... change of course, these windows build should be somehow linked to the codebase, and maybe even be on the source tree. If that is too much, at least make sure the zip file with the visual studio build environment is compatible with the current stable official release. – Yaniv ...
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Flattening a shallow list in Python [duplicate]

...Lott: You inspired me to write a timeit app. I figured it would also vary based on the number of partitions (number of iterators within the container list) -- your comment didn't mention how many partitions there were of the thirty items. This plot is flattening a thousand items in every run, with ...
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How to parse a query string into a NameValueCollection in .NET

... to HttpUtility.ParseQueryString because it does not decode the values (so base64 encoded values are preserved) – CRice Jul 7 '17 at 1:30 1 ...
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How to perform a mysqldump without a password prompt?

...p -u root mysql | head -- MySQL dump 10.13 Distrib 5.6.23, for Linux (x86_64) -- -- Host: localhost Database: mysql -- ------------------------------------------------------ -- Server version 5.6.23 /*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */; /*!40101 SET @OLD_CHARACTER_S...
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How do function pointers in C work?

...tring_Struct* ImmutableString; struct ImmutableString_Struct { String base; char* (*get)(const void* self); int (*length)(const void* self); }; ImmutableString newImmutableString(const char* value); Basically, for all subclasses, the available methods are once again function pointer...