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What are the applications of binary trees?
... Merkle Trees, at least within the bitcoin and ethereum communities, IPFS, etc.
– Duke
Apr 21 '16 at 20:50
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Mark parameters as NOT nullable in C#/.NET?
... it's really about an obsolete style that just propagates through examples etc.
– Jon Skeet
Oct 24 '17 at 7:38
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What is the difference between String.Empty and “” (empty string)?
...t. The JIT will unfold for() loops, remove redundant code, inline methods, etc better and at more appropriate times than either I or the C# compiler could ever anticipate before hand. Let the JIT do its job :)
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Trouble comparing time with RSpec
...need a gem; B) it works for any type of value (integer, float, date, time, etc.); C) it's natively part of RSpec
– notaceo
Feb 17 '15 at 19:25
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Vim: apply settings on files in directory
...t-specific variables before expanding templates (which is quite useful to fetch the current project root directory and trim it from the pathnames expanded)
– Luc Hermitte
Dec 1 '10 at 16:08
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What's a correct and good way to implement __hash__()?
...nt types and therefore the value of _a will never be assigned to _b or _c, etc.).
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Pass in an array of Deferreds to $.when()
...his' deferred.resolveWith(this, [Array.prototype.slice.call(arguments)]) etc
– Jamie Pate
Aug 21 '13 at 20:49
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Create subdomains on the fly with .htaccess (PHP)
...ne you can tell Apache to look at the right place, with directory hashing, etc.
For example, the line:
VirtualDocumentRoot /http/users/%3.1/%3.2/%3
would tell Apache to set the document root to /http/users/s/u/subdomain when requested for subdomain.yourdomain.c
What is the best way to implement nested dictionaries?
...ing lots of deeply nested data (and configuration files, databaes mockups, etc...). If the OP doesn't want extra files lying around, just use a regular Python string in some file and parse that with YAML.
– kmelvn
Mar 11 '09 at 20:49
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Regular expression for letters, numbers and - _
...ollow your specification, but note that this will match things like ....., etc, which may or may not be what you desire. If you can be more specific what pattern you want to match, the regex will be slightly more complicated.
The above regex also matches the empty string. If you need at least one c...