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When to use PNG or JPG in iPhone development?
...ittle extra CPU energy to display. However, large PNGs may take longer to read from storage than more compressed image formats, and thus be slower to display.
JPG's are smaller to store, but lossy (amount depends on compression level), and to display them requires a much more complicated decoding ...
How to show math equations in general github's markdown(not github's blog)
...e embed code. Svg renders well on resize. HTML allows LaTeX to be easily read when you are looking at the source. Copy the embed code from the bottom of the page and paste it into your markdown.
<img src="https://latex.codecogs.com/svg.latex?\Large&space;x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}...
Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
...
Here is how Matz(Yukihiro Matsumoto) explains it in an old thread:
Hi,
In message "[ruby-talk:02706] X++?"
on 00/05/10, Aleksi Niemelä <aleksi.niemela@cinnober.com> writes:
|I got an idea from http://www.pragprog.com:8080/rubyfaq/rubyfaq-5.html#ss5.3
|and thought to try. ...
git replace local version with remote version
... extensive subtrees and instead wish to affect the index directly use
git read-tree remote/branch:subdir/
You can then (optionally) update your working copy by doing
git checkout-index -u --force
share
|
...
Objective-C: Where to remove observer for NSNotification?
...ed? When do they get send?)
The implementation of the observer (When is it ready to receive notifications? When is it no longer ready?)
The intended life-time of the observer (Is it tied to some other object, say, a view or view controller?)
...
So, the best general advice I can come up with: to p...
Reset keys of array elements in php?
...
Please do read the manual you're linking to; reset does something else.
– deceze♦
Mar 29 '15 at 13:40
...
How to add facebook share button on my website?
... setting up parameters
<script type="text/javascript">
$(document).ready(function(){
$('#share_button').click(function(e){
e.preventDefault();
FB.ui(
{
method: 'feed',
name: 'This is the content of the "name" field.',
link: 'http://www.groupstudy.in/articlePost.php?id=A_111213073144',
pictur...
Versioning SQL Server database
... and in case of a central version control system a working folder, you can read this article. It shows how to setup source control in a development environment using:
SQL Server Management Studio via the MSSCCI provider,
Visual Studio and SQL Server Data Tools
A 3rd party tool ApexSQL Source Con...
Using sed and grep/egrep to search and replace
...
and using the |while read i pattern would enable streaming and avoid length restrictions when egrep's results become too long
– David Schmitt
Apr 26 '10 at 6:47
...
SQL update fields of one table from fields of another one
... text
) INHERITS (A);
This avoids the need to update B.
But be sure to read all the details.
Otherwise, what you ask for is not considered a good practice - dynamic stuff such as views with SELECT * ... are discouraged (as such slight convenience might break more things than help things), and w...