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What is the difference between a symbolic link and a hard link?
... (Or is it multiple inodes? Not sure.)
A file in the file system is basically a link to an inode.
A hard link, then, just creates another file with a link to the same underlying inode.
When you delete a file, it removes one link to the underlying inode. The inode is only deleted (or deletable/ove...
How to suppress Java warnings for specific directories or files such as generated code
...t; Source
Announced here: Eclipse 3.8 and 4.2 M6 - New and Noteworthy, called Selectively ignore errors/warnings from source folders. That's also where the screenshot is from. This is the new feature developed on the previously linked Bug 220928.
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Convert Existing Eclipse Project to Maven Project
...atic importer or wizard?': not that I know of. Using the option above will allow you to enable the m2eclipse plugin for your existing project avoiding the manual copying. You will still need to actually set up the dependencies and other stuff you need to build yourself.
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R memory management / cannot allocate vector of size n Mb
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Consider whether you really need all this data explicitly, or can the matrix be sparse? There is good support in R (see Matrix package for e.g.) for sparse matrices.
Keep all other processes and objects in R to a minimum when you need to make obj...
Is there an easy way to create ordinals in C#?
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This page gives you a complete listing of all custom numerical formatting rules:
Custom numeric format strings
As you can see, there is nothing in there about ordinals, so it can't be done using String.Format. However its not really that hard to write a function to d...
jQuery .data() does not work, but .attr() does
...e such a strange bug. After the doc loads, I loop some elements that originally have data-itemname="" , and I set those values using .attr("data-itemname", "someValue") .
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Why use getters and setters/accessors?
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There are actually many good reasons to consider using accessors rather than directly exposing fields of a class - beyond just the argument of encapsulation and making future changes easier.
Here are the some of the reasons I am aware of...
How to effectively work with multiple files in Vim
...e and close a tab, you can also use ZZ instead of :wq (just like would normally save and close)
– Andreas Grech
May 5 '10 at 14:34
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How to list the files inside a JAR file?
I have this code which reads all the files from a directory.
16 Answers
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Error renaming a column in MySQL
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Keep in mind that in this solution you lose all other column definitions such as nullability, default value, etc. (see: stackoverflow.com/questions/8553130/…).
– Dejan
Jul 13 '15 at 10:50
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