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How to sort a dataframe by multiple column(s)
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The ggplot2 microbenchmark function above is now available as taRifx::autoplot.microbenchmark.
– Ari B. Friedman
Jun 1 '12 at 1:23
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Debug a java application without starting the JVM with debug arguments
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+1 VisualVM looks really interesting. BTW: Link is fixed now.
– sleske
Mar 15 '10 at 22:54
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Verify a certificate chain using openssl verify
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It does. I just re-ran the commands with a chain that I know is correct (it serves production traffic for my employer), and then again with another, unrelated root certificate. See the transcript gist.
– Peter
Aug 11 '16 at 9:07
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git pull from master into the development branch
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1This second part has been changed—I say "fixed"—in git 1.8.4, which now updates "remote branch" references opportunistically. (It was, as the release notes say, a deliberate design decision to skip the update, but it turns out that more people prefer that git update it. If you want the old ...
How to declare std::unique_ptr and what is the use of it?
...int> p = make_unique<int>(42);
Which is both clearer and safer. Now concerning this doubt of yours:
What is also not clear to me, is how pointers, declared in this way will be different from the pointers declared in a "normal" way.
Smart pointers are supposed to model object ownersh...
Insert/Update Many to Many Entity Framework . How do I do it?
... joining table. That is the correct behaviour and that's what you expect.
Now, when doing inserts or updates, try to think in terms of objects. E.g. if you want to insert a class with two students, create the Class object, the Student objects, add the students to the class Students collection add t...
What are the minimum margins most printers can handle?
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i thought .25 as well. Didnt know laser printers had larger margins - good thing I asked. Thanks for your replies.
– robodisco
Aug 19 '10 at 6:29
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How To Set Up GUI On Amazon EC2 Ubuntu server
...in /home/lonely/.vnc/xstartup
Log file is /home/lonely/.vnc/ubuntu:1.log
Now you can access GUI using IP/Domain and port 1
stackoverflow.com:1
Tested on AWS and digital ocean .
For AWS, you have to allow port 5901 on firewall
To kill session
$ vncserver -kill :1
Refer:
https://linode.com/d...
Private virtual method in C++
...uals rather than private virtuals. However the private virtual approach is now common enough that confusion of novices is less of a concern."
– Zack The Human
Apr 1 '12 at 5:37
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Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”
...onary, you'd start with a list of words that you think they are likely to know. For example, you might have a look at Wiktionary's lists of the most frequently used words in various English corpora.
For example, among the 1,700 six-letter words in the 10,000 most common words in Project Gutenberg a...