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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...
Getting an element from a Set
...as already been added to the Set? For example, when .equals() does not use all of the fields, as the OP specified. A less efficient solution would be to remove the element and re-add it with its values updated.
– KyleM
Feb 19 '13 at 17:48
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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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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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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...
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...
Authenticate Jenkins CI for Github private repository
I'd like for Jenkins to automagically fetch data from my private repository hosted on Github.
But I have no idea how to accomplish that task.. Tried the documentation, generating ssh-key for jenkins user and all what I can see is: "unable to clone the repo". I've checked URLs - they are valid.
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Android studio add external project to build.gradle
... for multiple DEX files defining the api library, I suspect because it was all part of the same build process and Gradle was smart enough to figure it all out.
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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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Choosing between qplot() and ggplot() in ggplot2 [closed]
...I will use this
Of course, more complex plots require ggplot(), and I usually store data in data.frame, so in my experience, I rarely use qplot.
And it sounds good to always use ggplot(). While qplot saves typing, you lose a lot of functionalities.
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