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Why em instead of px?
...e have a div-tag that we want to turn into a stylish date box, we may have HTML-code that looks like this:
<div class="date-box">
<p class="month">July</p>
<p class="day">4</p>
</div>
A simple implementation would defining the width of the date-box clas...
What is the meaning of the term arena in relation to memory?
...
From http://www.bozemanpass.com/info/linux/malloc/Linux_Heap_Contention.html:
The libc.so.x shared library contains the glibc component and the heap
code resides inside it. The current implementation of the heap uses
multiple independent sub-heaps called arenas. Each arena has its own
m...
How does lucene index documents?
...more recent alternative is http://lucene.apache.org/core/3_6_2/fileformats.html
There's an even more recent version at http://lucene.apache.org/core/4_10_2/core/org/apache/lucene/codecs/lucene410/package-summary.html#package_description, but it seems to have less information in it than the older on...
Better explanation of when to use Imports/Depends
...adley Wickham gives an easy explanation (http://r-pkgs.had.co.nz/namespace.html):
Listing a package in either Depends or Imports ensures that it’s
installed when needed. The main difference is that where Imports just
loads the package, Depends attaches it. There are no other
differences....
How do I select a merge strategy for a git rebase?
... along with this program. If not see <http://www.gnu.org/licenses/gpl.html>
#Defaults:
verbose=0
backup=1
inplace=0
ext=".bak"
message() { printf "%s\n" "$1" >&2 ; }
skip() { message "skipping ${2:-$file}${1:+: $1}"; continue ; }
argerr() { printf "%s: %s\n" "$myname" "${1:-erro...
Understanding offsetWidth, clientWidth, scrollWidth and -Height, respectively
...
From the clientWidth spec, if the element is the HTML or body element "return the viewport width excluding the size of a rendered scroll bar (if any).", so document.documentElement.clientWidth includes the padding/border/margin w3.org/TR/cssom-view/#dom-element-clientwidth
...
Explain ExtJS 4 event handling
...lement.on (these are equivalent) were created. So, for example, if we have html:
<div id="test_node"></div>
and we want add click event handler.
Let's retrieve Element:
var el = Ext.get('test_node');
Now let's check docs for click event. It's handler may have three parameters:
...
Need some clarification about beta/alpha testing on the developer console
...the link:
http://developer.android.com/google/play/billing/billing_testing.html
5.in the percentage method, if I publish a new app version using the same way, will it first update for the people who were lucky enough to install the previous version?
As far as my experience goes, i have seen pe...
CSS selector for first element with class
...h :first-child, it does not look at any other conditions or attributes. In HTML, the element type is represented by the tag name. In the question, that type is p.
Unfortunately, there is no similar :first-of-class pseudo-class for matching the first child element of a given class. One workaround th...
PHP Function Comments
...or more information.
* http://phpdoc.org/tutorial_phpDocumentor.howto.pkg.html
*
* The Javadoc Style Guide is an excellent resource for figuring out
* how to say what needs to be said in docblock comments. Much of what is
* written here is a summary of what is found there, though there are som...