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Why does dividing two int not yield the right value when assigned to double?

...s to prevent data loss). After the upcast, a will wind up as a double and now you have division between two doubles. This will create the desired division and assignment. AGAIN, please note that this is language specific (and can even be compiler specific), however almost all languages (certainly...
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When is the init() function run?

...alize several variables or to load some files or do one-time-calculations. now if your entire program is one package that's not really needed, however if it's multiple packages, some of them could need to do some initialization specific to it. – OneOfOne Jul 16...
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Python strptime() and timezones?

... noting this has been updated as of version 3.2 and the same documentation now also states the following: When the %z directive is provided to the strptime() method, an aware datetime object will be produced. The tzinfo of the result will be set to a timezone instance. Note that this doesn't w...
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What's the point of const pointers?

... little off topic, but where does this const pointer sit in the memory? I know all const sit in the global part of the memory, but I am not 100% sure about a const that you get passed in as a func var. thanks and sorry if this is off topic – Tomer Feb 4 '18 at ...
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Differences between git remote update and fetch?

...Original answer with more details xenoterracide's answer is 3.5 years old now, and Git has gone through several versions since then (it has gone from v1.6.5.5 to v1.8.3.2 as of this writing), and looking at the current documentation for git remote update and git fetch, it looks like they both can p...
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What special characters must be escaped in regular expressions?

...emember just to escape everywhere than a few exceptions. Power users will know what's up, if they want to avoid a few backslashes. Anyway, I updated my answer with a few clarifications that hopefully address some of this stuff. – Beejor Mar 7 '17 at 3:15 ...
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How many socket connections can a web server handle?

...xy requests through to some backend service(s), in which case the "server" now becomes a "client" and may well have to worry about ephemeral port exhaustion (eg: nginx.com/blog/overcoming-ephemeral-port-exhaustion-nginx-plus). I'm sure you know that, but mentioning it for others (: ...
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What is dynamic programming? [closed]

... Dynamic programming is when you use past knowledge to make solving a future problem easier. A good example is solving the Fibonacci sequence for n=1,000,002. This will be a very long process, but what if I give you the results for n=1,000,000 and n=1,000,001? Sudde...
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Select multiple images from android gallery

...pening the Gallery in Android and let the user select multiple images . Now this question has been asked frequently but i'm not satisfied with the answers. Mainly because i found something interesting in de docs in my IDE (i come back on this later) and thereby i don't want to use a custom adap...
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Why are #ifndef and #define used in C++ header files?

...s opened by the form to manipulate. It gaveme lots of errors and I didn't know what to do. I gave up =) – user142019 Oct 31 '09 at 10:58 6 ...