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ExecJS and could not find a JavaScript runtime
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Heroku is now strongly discouraging therubyracer due to memory use. I installed nodejs on my dev machine per this answer and took therubyracer out of my gemfile. See also stackoverflow.com/questions/7092107/….
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How to prevent ifelse() from turning Date objects into numeric objects
...<- "Date"
str(dates)
At first this felt a little "hackish" to me. But now I just think of it as a small price to pay for the performance returns that I get from ifelse(). Plus it's still a lot more concise than a loop.
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When to use EntityManager.find() vs EntityManager.getReference() with JPA
...etter method). Just to change state (I mean setter method). As you should know, getReference returns a proxy object which uses a powerful feature called automatic dirty checking. Suppose the following
public class Person {
private String name;
private Integer age;
}
public class PersonS...
What is RSS and VSZ in Linux memory management
...ory map, but there isn't necessarily any actual memory behind it all right now).
Note that in these days of commonplace virtual machines, physical memory from the machine's view point may not really be actual physical memory.
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Merge development branch with master
...y)
git checkout master
git merge development (there won't be any conflicts now)
There isn't much of a difference in the two approaches, but I have noticed sometimes that I don't want to merge the branch into master yet, after merging them, or that there is still more work to be done before these c...
Prevent any form of page refresh using jQuery/Javascript
...d tab correctly. For example, maybe I have one window open, then close it. Now I open a new window. You would likely detect that as a second tab, even though I already closed the first one. Now your user can't access the first window because they closed it, and they can't access the second window be...
Python error “ImportError: No module named”
...ll put a .bin extension to indicate binary data."
The missing __init__.py (now called __init__.py.bin) means python doesn't understand toolkit as a package.
You create __init__.py in the appropriate directory and everything works... ?
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Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into
Everybody knows how to set up a favicon.ico link in HTML:
14 Answers
14
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How do I clone a subdirectory only of a Git repository?
...ut doesn't check them out. Then do:
git config core.sparseCheckout true
Now you need to define which files/folders you want to actually check out. This is done by listing them in .git/info/sparse-checkout, eg:
echo "some/dir/" >> .git/info/sparse-checkout
echo "another/sub/tree" >> ....
Open Cygwin at a specific folder
...l (as an administrator) and type the command: chere -i -t mintty -s bash.
Now you should have "Bash Prompt Here" in the Windows right-click context menu.
(mintty is Cygwin's default terminal. If you don't choose it with the -t option, your "Bash Prompt Here" will use the same terminal as the Windo...