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Test if a class has an attribute?

... @alexanderb you are of course right. I've updated my answer now. I must of not checked my answer against the compiler at the time! Thanks for pointing out the error – RichardOD Jun 23 '12 at 16:05 ...
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How to decide between MonoTouch and Objective-C? [closed]

...oing to see big stuff. I love Apple's stack, but I have another playground now - that's a good thing and I'm giddy :) – Rory Blyth Oct 30 '09 at 21:00 4 ...
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Asynchronous Requests with Python requests

... async is now an independent module : grequests. See here : https://github.com/kennethreitz/grequests And there: Ideal method for sending multiple HTTP requests over Python? installation: $ pip install grequests usage: build a s...
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Extracting bits with a single multiplication

... In the above case, your mask would be 00100100 and the result 00a00b00. Now the hard part: turning that into ab....... A multiplication is a bunch of shift-and-add operations. The key is to allow overflow to "shift away" the bits we don't need and put the ones we want in the right place. Multip...
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Should try…catch go inside or outside a loop?

...on was getting on my nerves! In the case of optimizations, since we can't know which way the performance would be affected, I guess were back to try-it-and-test (as always). – Jeffrey L Whitledge Sep 27 '08 at 18:35 ...
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What is the difference between Hibernate and Spring Data JPA

...el i.e. Spring Data JPA. With the first exception you potentially have to know the lower levels i.e. Hibernate, JDBC and the Database. – Marmite Bomber Aug 13 '19 at 16:26 add...
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Windows batch file file download from a URL

...missions, let this stand as a perfect proof of concept that clicking on unknown .bat and .ps1 files can really screw up your stuff. – 1934286 Nov 29 '18 at 23:22 ...
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“using namespace” in c++ headers

...ment. As for template functions defined in headers, unfortunately I don't know of a good solution other than just writing out the namespace... Perhaps you could put a using declaration within a separate scope { /* using statement in between brackets */ }, that would at least prevent it from escaping...
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Eclipse “Invalid Project Description” when creating new project from existing source

... got the full BSOD and Eclipse is just messed up, this is but one of many. Now it's finally trying to load, but literally taking forever on CPU. I reinstalled eclipse to no avail, but thanks for this. One step closer now. – Stephen J Jun 9 '14 at 5:56 ...
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System.currentTimeMillis vs System.nanoTime

What I would like to know is whether I should use System.currentTimeMillis() or System.nanoTime() when updating my object's positions in my game? Their change in movement is directly proportional to the elapsed time since the last call and I want to be as precise as possible. ...