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jQuery AJAX file upload PHP
...file) {
if (move_uploaded_file($file['tmp_name'], $uploaddir . basename( $file['name']))) {
$files[] = $uploaddir . $file['name'];
} else {
$error = true;
}
}
$data = ($error) ? array('error' => 'There was an erro...
How to center a button within a div?
...an active answer, however Flexbox would be the correct approach now.
Live Demo
Vertical and horizontal alignment.
#wrapper {
display: flex;
align-items: center;
justify-content: center;
}
Just horizontal (as long as the main flex axis is horizontal which is default)
#wrapper {
display:...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...entPro angle() is a helper function. As stated in the answer, this code is based on samples/cpp/squares.cpp present in OpenCV.
– karlphillip
Oct 3 '13 at 0:11
...
Jquery If radio button is checked
...="radio" id="postageno" name="postage" value="No" />No
JS Fiddle demo.
And, further, a mild update (since I was editing to include Snippets as well as the JS Fiddle links), in order to wrap the <input /> elements with <label>s - allow for clicking the text to update the releva...
How does the Google “Did you mean?” Algorithm work?
...paration and word checking.
Step 1: Preparation - setting up the word database
Best is if you can use actual search words and their occurence.
If you don't have that a large set of text can be used instead.
Count the occurrence (popularity) of each word.
Step 2. Word checking - finding words that...
Fast way of counting non-zero bits in positive integer
...
I tried adapting Óscar's and Adam's solutions to process the integer in 64-bit and 32-bit chunks, respectively. Both were at least ten times slower than bin(n).count("1") (the 32-bit version took about half again as much time).
On the other hand, gmpy popcount() took about 1/20th of the time of ...
Python constructors and __init__
...e, that namespace is then passed to the metaclass (among with the name and bases). Function definitions then are just creating a function with the specified body and assigning it to it's name. The last assignment to __init__ will be what ends up in the class.
– skyking
...
Shell script to send email [duplicate]
...JECT} | file -bi - | cut -d"=" -f2)
SUB_B64=$(echo ${SUBJECT} | uuencode --base64 - | tail -n+2 | head -n+1)
NB_FILES=$(echo ${FILES} | wc -w)
NB=0
cat <<EOF | /usr/sbin/sendmail -t
From: ${FROM}
To: ${TO}
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary=frontier
Subject: =?${SUB_CHA...
Can I replace groups in Java regex?
...replaceGroup("([a-z])(\\d)", "a1b2c3d4e5", 2, 4, "!!!"));
}
Check online demo here.
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iOS 8 removed “minimal-ui” viewport property, are there other “soft fullscreen” solutions?
...g calc() and known iOS address bar height to our advantage:
The following demo page (also available on gist, more technical details there) will prompt user to scroll, which then triggers a soft-fullscreen (hide address bar/menu), where header and content fills the new viewport.
<!doctype html&g...