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CSS \9 in width property
...sult as width: 500px;) will only be applied while using IE 7, 8, & 9.
All other browsers will ignore width: 500px\9; entirely, and therefore not apply width: 500px; to the element at all.
If your CSS looked like this...
#myElement {
width: 300px;
width: 500px\9;
}
The result would b...
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...
jQuery: count number of rows in a table
...
Use a selector that will select all the rows and take the length.
var rowCount = $('#myTable tr').length;
Note: this approach also counts all trs of every nested table!
share
...
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.
...
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.
...
Architecture of a single-page JavaScript web application?
...x single-page JS web application be structured on the client-side? Specifically I'm curious about how to cleanly structure the application in terms of its model objects, UI components, any controllers, and objects handling server persistence.
...
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...
2D cross-platform game engine for Android and iOS? [closed]
... found it's 2D part with OnGUI() or GUITextures too clumsy. Also, even a smallest game done on Unity3d is at least 10MB download which is just too much for a 2D game.
...
How to generate a number of most distinctive colors in R?
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I joined all qualitative palettes from RColorBrewer package. Qualitative palettes are supposed to provide X most distinctive colours each. Of course, mixing them joins into one palette also similar colours, but that's the best I can g...
Extract a regular expression match
...
Use the new stringr package which wraps all the existing regular expression operates in a consistent syntax and adds a few that are missing:
library(stringr)
str_locate("aaa12xxx", "[0-9]+")
# start end
# [1,] 4 5
str_extract("aaa12xxx", "[0-9]+")
# [1]...