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Sorting an array of objects in Ruby by object attribute?
...y {|obj| obj.attribute}
Especially if attribute may be calculated.
Or a more concise approach:
objects.sort_by(&:attribute)
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How to determine if a number is a prime with regex?
...sed later on in the same regex.
The group captures 1 character, then 1 or more of any character. (The + character means one or more, but ONLY of the previous character or group. So this is not "two or four or six etc. characters", but rather "two or three etc." The +? is like +, but it tries to mat...
Why does C# allow {} code blocks without a preceding statement?
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And in C++, because of RAII instead of GC, it is far more useful.
– Deduplicator
Dec 23 '15 at 1:44
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How to bind inverse boolean properties in WPF?
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GCC -fPIC option
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To be more specific, the shared library is supposed to be shared between processes, but it may not always be possible to load the library at the same address in both. If the code were not position independent, then each process wou...
What is the purpose of class methods?
...me time? Which way of calling class methods of an object is "better", or "more idiomatic": obj.cls_mthd(...) or type(obj).cls_mthd(...)?
– Alexey
Feb 27 '18 at 12:43
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Hash function that produces short hashes?
... hash will have 40bits of entropy while a base64 60bits. So it is slightly more resistant, sorry if I was not super clear.
– John L. Jegutanis
Nov 13 '13 at 14:35
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How is a tag different from a branch in Git? Which should I use, here?
...create it, e.g., this is the version we shipped to XYZ Corp. A branch is more of a strategy to provide on-going updates on a particular version of the code while continuing to do development on it. You'll make a branch of the delivered version, continue development on the main line, but make bug ...
Detect if Android device has Internet connection
...shurun's modification. In his answer he modified my code and made it a bit more efficient. If you connect to
HttpURLConnection urlc = (HttpURLConnection)
(new URL("http://clients3.google.com/generate_204")
.openConnection());
and then check the responsecode for 204
retu...
How to explain Katana and OWIN in simple words and uses?
...h intends to remove System.Web out of the way, and allow you to use IIS on more "cleaner" way, without any unnecessary libraries or modules. Helios is now in pre-release version, and is waiting for more community feedback in order to make it fully supported Microsoft product.
Hope this explanation ...