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How is set() implemented?
...ts in python have O(1) membership-checking. How are they implemented internally to allow this? What sort of data structure does it use? What other implications does that implementation have?
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Compiling C++ on remote Linux machine - “clock skew detected” warning
I'm connected to my university's small Linux cluster via PuTTY and WinSCP, transferring files using the latter and compiling and running them with the former. My work so far has been performed in the university's labs, but today I have been doing some work at home that generated an interesting warn...
Non-static variable cannot be referenced from a static context
... what you see with the class "car". The class contains which is similar to all cars. Think of it as a template or an idea.
At the same time, the car you see is an instance of the class "car" since it has all the properties which you expect: There is someone driving it, it has an engine, wheels.
So...
Scanning Java annotations at runtime [closed]
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do I need to specify a package name? wildcard? what for all classes in classpath?
– Sunnyday
Jan 20 '18 at 0:23
1
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.classpath and .project - check into version control or not?
... java project that consists of multiple modules in a tree of dependencies. All those modules are subdirectories in a subversion repository. For newcomers to our project, it's a lot of work to set all that up manually in eclipse.
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What is a “thread” (really)?
... to find a good definition, and get an understanding, of what a thread really is.
10 Answers
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How do I write stderr to a file while using “tee” with a pipe?
... need to keep an exra FD and do cleanup afterward by killing it and technically should be doing that in a trap '...' EXIT.
There is a better way to do this, and you've already discovered it: tee.
Only, instead of just using it for your stdout, have a tee for stdout and one for stderr. How will yo...
Disable browser cache for entire ASP.NET website
...;
HttpContext.Current.Response.Cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.NoCache);
HttpContext.Current.Response.Cache.SetNoStore();
All requests get routed through default.aspx first - so assuming you can just pop in...
Data structure: insert, remove, contains, get random element, all at O(1)
... of the elements themselves as the keys.... I knew I was close, but this really nails it on the head!
– guildner
Apr 16 '11 at 6:36
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How to understand nil vs. empty vs. blank in Ruby
...s the negation of .blank?.
Array gotcha: blank? will return false even if all elements of an array are blank. To determine blankness in this case, use all? with blank?, for example:
[ nil, '' ].blank? == false
[ nil, '' ].all? &:blank? == true
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