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Runtime vs. Compile time

...e the difference between compile time and run time is rather harder to pin down, and much less relevant to the programmer or user. Java is a sort of hybrid, where the code is compiled to bytecode, which then runs on a virtual machine which is usually an interpreter for the bytecode. There is also ...
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PHP: Storing 'objects' inside the $_SESSION

...se you send back and having the client resubmit it, e.g., sending the data down in a hidden input. If you really need server-side tracking of state, it should probably be in your backing datastore. (Vinko adds: PHP can use a database for storing session information, and having the client resubmit ...
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What does OSGi solve?

... be installed, started, stopped, updated, and uninstalled without bringing down the whole system. Many Java developers do not believe this can be done reliably and therefore initially do not use this in production. However, after using this in development for some time, most start to realize that it...
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Why is require_once so bad to use?

... The other downside is APC doesn't cache include_once and require_once calls IIRC – dcousineau Oct 10 '08 at 7:20 3 ...
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What is the most efficient way of finding all the factors of a number in Python?

...to flatten_iter(). If I change the code to build a list instead, it slows down slightly: iterools (list) version: 11.62 seconds I believe that the tricky generator functions version is the fastest possible in Python. But it's not really much faster than the reduce version, roughly 4% faster ba...
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Why doesn't C have unsigned floats?

...assembly", that is, as close to the metal as you can be without being tied down to a specific platform. [edit] C is like assembly: what you see is exactly what you get. An implicit "I'll check that this float is nonnegative for you" goes against its design philosophy. If you really want it, you ...
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What is the difference between mutex and critical section?

...ne (Dell XPS-8700) to crawl back up to full speed after it decides to slow down, which it may not do if you sleep or wait for only a millisecond. – Stevens Miller Aug 15 '16 at 18:14 ...
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Using pip behind a proxy with CNTLM

...roxy http://web-proxy.mydomain.com install somepackage But exporting the https_proxy environment variable (note its https_proxy not http_proxy) did the trick: export https_proxy=http://web-proxy.mydomain.com then sudo -E pip install somepackage ...
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Can I change all my http:// links to just //?

... context is different. The only contexts you should use them in is http vs https. – Synchro Jan 30 '13 at 7:11  |  show 11 more comments ...
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How do I pull my project from github?

...git@github.com:username/repo.git Update: And this is the official guide: https://help.github.com/articles/fork-a-repo Take a look at: https://help.github.com/ It has really useful content share | ...