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Returning null as an int permitted with ternary operator but not if statement
Let's look at the simple Java code in the following snippet:
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Most simple but complete CMake example
...at I am getting closer to understand how CMake is meant to be written, it vanishes in the next example I read. All I want to know is, how should I structure my project, so that my CMake requires the least amount of maintainance in the future. For example, I don't want to update my CMakeList.txt when...
nginx missing sites-available directory
I installed Nginx on Centos 6 and I am trying to set up virtual hosts. The problem I am having is that I can't seem to find the /etc/nginx/sites-available directory.
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Using grep to search for a string that has a dot in it
...d" string instead of a regular expression. This makes . lose its special meaning.
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Should I prefer pointers or references in member data?
...d null pointers and it's certainly not good for a variable to change its meaning. Where our opinions differ is that I don't need or want the compiler to enforce this for me. It doesn't make classes any easier to write, I've not come across bugs in this area that it would catch, and occasionally I ap...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
...n of kernel mode (also known as 'supervisor' mode) and the system call mechanism.
User+Sys will tell you how much actual CPU time your process used. Note that this is across all CPUs, so if the process has multiple threads (and this process is running on a computer with more than one processor) i...
What's a correct and good way to implement __hash__()?
...so has a summary of various collision resolution methods:
Also, "File Organization And Processing" by Tharp covers alot of collision resolution methods extensively. IMO it's a great reference for hashing algorithms.
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R: Comment out block of code [duplicate]
I want to comment out several lines of code in R. Is there any way of doing it without having to put a # before each line - sort of like /* blocked out code */ in SAS?
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How can I switch themes in Visual Studio 2012
The Visual Studio 2012 offers two themes, Light and Dark. I want to switch the theme to Dark, but I'm not able to find any menus or options to do that.
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How to see indexes for a database or table in MySQL?
How do I see if my database has any indexes on it?
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