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Is volatile expensive?
...Cookbook for Compiler Writers about the implementation of volatile, especially section "Interactions with Atomic Instructions" I assume that reading a volatile variable without updating it needs a LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad and LoadStore are effective...
Python pip install fails: invalid command egg_info
I find that recently often when I try to install a Python package using pip , I get the error(s) below.
15 Answers
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Where are the PostgreSQL logs on macOS?
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On OS X, if you're using the EnterpriseDB installation of PostgreSQL, your log files will be in /Library/PostgreSQL/8.4/data/pg_log
Of course, you'll want to substitute 8.4 for whichever version number you're running.
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How to correct indentation in IntelliJ
How can indentation be automatically (not manually) corrected in IntelliJ?
7 Answers
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What file uses .md extension and how should I edit them?
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can we add images or through link in .md file... is it possible?
– Raphael
Jan 22 '16 at 4:54
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Rails server says port already used, how to kill that process?
...you're looking to kill whatever is on port 3000 (which is what webrick normally uses), type this in your terminal to find out the PID of the process:
$ lsof -wni tcp:3000
Then, use the number in the PID column to kill the process:
$ kill -9 PID
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Change first commit of project with Git? [duplicate]
...want to change something in the first commit of my project with out losing all subsequent commits. Is there any way to do this?
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How to explain callbacks in plain english? How are they different from calling one function from ano
How to explain callbacks in plain English? How are they different from calling one function from another function taking some context from the calling function? How can their power be explained to a novice programmer?
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ASP.NET 4.5 has not been registered on the Web server
...chine, and in order to use SQL Express instance instead of the localDB installed by default. I unchecked "Use IIS Express" in my MVC 4 project properties page (Web tab), then I got the following error:
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How to read/write a boolean when implementing the Parcelable interface?
...y did @SiPlus comment get so many upvotes? Neither 1, nor 0 is "loaded" at all. It makes absolutely no difference. And since when is Java a weakly-typed language?
– noone
Jun 17 '15 at 6:45
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