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How to implement the factory method pattern in C++ correctly
...d thing is that you can immediately see what coordinate type you're using, and at the same time you don't have to worry about copying. If you want copying, and it's expensive (as proven by profiling, of course), you may wish to use something like Qt's shared classes to avoid copying overhead.
As fo...
What's the difference between a Future and a Promise?
What's the difference between Future and Promise ?
They both act like a placeholder for future results, but where is the main difference?
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Listing only directories using ls in Bash?
This command lists directories in the current path: ls -d */
26 Answers
26
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How to add color to Github's README.md file
...file for my project underscore-cli , a pretty sweet tool for hacking JSON and JS on the command-line.
9 Answers
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What's the difference between a method and a function?
... called by name. It can be passed data to operate on (i.e. the parameters) and can optionally return data (the return value). All data that is passed to a function is explicitly passed.
A method is a piece of code that is called by a name that is associated with an object. In most respects it is id...
How do I make a WinForms app go Full Screen
...t when the form is already maximized setting the border to none doesn't expand to cover the taskbar. I worked around by "restoring" the form changing the border and then maximizing.
– Grady
Feb 3 '09 at 22:14
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Rails: Using greater than/less than with a where statement
...th dates here on SO.
>= vs >
To avoid people having to dig through and follow the comments conversation here are the highlights.
The method above only generates a >= query and not a >. There are many ways to handle this alternative.
For discrete numbers
You can use a number_you_want...
Selecting data frame rows based on partial string match in a column
...a data.table (but also remember that subsetting approaches for data.frames and data.tables are not identical):
library(data.table)
mtcars[rownames(mtcars) %like% "Merc", ]
iris[iris$Species %like% "osa", ]
If that is what you had, then perhaps you had just mixed up row and column positions for su...
What is a Proxy in Doctrine 2?
... just finished reading all the Doctrine 2 documentation, I started my own sandbox, I understood most of the principes, but there is still a question and I couldn't find any complete explanation in the doc.
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Difference between abstraction and encapsulation?
What is the precise difference between encapsulation and abstraction?
39 Answers
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