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Get Image size WITHOUT loading image into memory
... the output of the python magic module:
>>> t = magic.from_file('teste.png')
>>> t
'PNG image data, 782 x 602, 8-bit/color RGBA, non-interlaced'
>>> re.search('(\d+) x (\d+)', t).groups()
('782', '602')
This is a wrapper around libmagic which read as few bytes as possib...
How can I visualize per-character differences in a unified diff file?
.... is interpreted as a path. You can verify with mkdir x y; echo foo > x/test; git add x/test; git commit -m test; echo boo > x/test; cd y; git diff --color-words=.; git diff --color-words .; git diff --color-words -- ..
– ntc2
Sep 4 '15 at 16:43
...
Byte order mark screws up file reading in Java
... args) throws Exception
{
FileInputStream fis = new FileInputStream("test/offending_bom.txt");
UnicodeBOMInputStream ubis = new UnicodeBOMInputStream(fis);
System.out.println("detected BOM: " + ubis.getBOM());
System.out.print("Reading the content of the file without skipping the...
Javascript sort array by two fields
... item name
where items is an array like:
var items = [
{ name: "z - test item", price: "99.99", priority: 0, reviews: 309, rating: 2 },
{ name: "z - test item", price: "1.99", priority: 0, reviews: 11, rating: 0.5 },
{ name: "y - test item", price: "99.99", priority: 1, reviews: 99, r...
Calculate distance between 2 GPS coordinates
...alculate operations of constants, making manual collapsing useless. I will test it out when I have time.
– Hlung
Jan 2 '18 at 15:47
...
Sending HTML email using Python
...msg = email.message.Message()
msg['Subject'] = 'foo'
msg['From'] = 'sender@test.com'
msg['To'] = 'recipient@test.com'
msg.add_header('Content-Type','text/html')
msg.set_payload('Body of <b>message</b>')
# Send the message via local SMTP server.
s = smtplib.SMTP('localhost')
s.starttls()...
GET URL parameter in PHP
...s! So with $_GET['link']; you need to enter URL like this: localhost/?link=test
– Firzen
Apr 20 '14 at 12:58
I'm using...
Best way to test for a variable's existence in PHP; isset() is clearly broken
...ariables as well, on can do a $defined_vars = get_defined_vars(); and then test via array_key_exists('v', $defined_vars);.
– Henrik Opel
Sep 27 '10 at 16:01
1
...
Determine if variable is defined in Python [duplicate]
...d precautions against those who nevertheless do. Maintaining fragile, undertested legacy code with somewhat-broken design that you inherited from somebody else is a fact of life, and those who can only think of big-bang rewriting from scratch rather than cautiously and incrementally need to re-read ...
Grep characters before and after match?
...
grep -E -o ".{0,5}test_pattern.{0,5}" test.txt
This will match up to 5 characters before and after your pattern. The -o switch tells grep to only show the match and -E to use an extended regular expression. Make sure to put the quotes aroun...