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How does Google's Page Speed lossless image compression work?
...s trimage.
It effectively utilizes optipng, pngcrush, advpng and jpegoptim based on the image format and delivers near perfect lossless compression.
The implementation is pretty easy if using a command line.
sudo apt-get install trimage
trimage -d images/*
and voila! :-)
Additionally you wi...
Representing Directory & File Structure in Markdown Syntax [closed]
...se ASCII to build the structures, so your example structure becomes
.
+-- _config.yml
+-- _drafts
| +-- begin-with-the-crazy-ideas.textile
| +-- on-simplicity-in-technology.markdown
+-- _includes
| +-- footer.html
| +-- header.html
+-- _layouts
| +-- default.html
| +-- post.html
+-- _po...
UITableViewCell with UITextView height in iOS 7?
...l cover the following:
Of course: setting the height of a UITableViewCell based on the size needed to display the full contents of a contained UITextView
Respond to text changes (and animate the height changes of the row)
Keeping the cursor inside the visible area and keeping first responder on the...
Throw HttpResponseException or return Request.CreateErrorResponse?
... /// </summary>
public UnhandledExceptionFilterAttribute() : base()
{
}
#endregion
#region DefaultHandler
/// <summary>
/// Gets a delegate method that returns an <see cref="HttpResponseMessage"/>
/// that describes...
Extract value of attribute node via XPath
...
you can select name attribute of all child nodes in one go.
name="Child_2"
name="Child_4"
name="Child_1"
name="Child_3"
name="Child_1"
name="Child_2"
name="Child_4"
name="Child_3"
share
|
impro...
Get raw POST body in Python Flask regardless of Content-Type header
...
Use request.get_data() to get the raw data, regardless of content type. The data is cached and you can subsequently access request.data, request.json, request.form at will.
If you access request.data first, it will call get_data with an ar...
Error handling in Bash
...up() {
rm -f "${tempfiles[@]}"
}
trap cleanup 0
error() {
local parent_lineno="$1"
local message="$2"
local code="${3:-1}"
if [[ -n "$message" ]] ; then
echo "Error on or near line ${parent_lineno}: ${message}; exiting with status ${code}"
else
echo "Error on or near line ${pare...
What is the optimal Jewish toenail cutting algorithm?
...ck♦
601k141141 gold badges12621262 silver badges12641264 bronze badges
answered Oct 14 '11 at 14:43
KevinKevin
67.7k1212 gold ba...
Is there a built in function for string natural sort?
...
I wrote a function based on http://www.codinghorror.com/blog/2007/12/sorting-for-humans-natural-sort-order.html which adds the ability to still pass in your own 'key' parameter. I need this in order to perform a natural sort of lists that conta...
Run a Python script from another Python script, passing in arguments [duplicate]
...nction inside script1 directly:
for i in range(whatever):
script1.some_function(i)
If necessary, you can hack sys.argv. There's a neat way of doing this using a context manager to ensure that you don't make any permanent changes.
import contextlib
@contextlib.contextmanager
def redirect_argv...