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Number of processors/cores in command line
...s /proc/cpuinfo. nproc is there on my ubuntu VM, but not on my RedHat 5.5-based machine.
– Digital Trauma
Oct 27 '13 at 15:41
8
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Integrated Markdown WYSIWYG text editor
...te, CKEditor now includes plugins that allow BBCode input and output.
A demo is available here: http://ckeditor.com/demo#bbcode
EDIT Apr 13, 2015:
Someone professing to develop CKEditor says that the appearance of CommonMark is a game changer, and we could possibly see a proper markup interface ...
Base64: What is the worst possible increase in space usage?
If a server received a base64 string and wanted to check it's length before converting,, say it wanted to always permit the final byte array to be 16KB. How big could a 16KB byte array possibly become when converted to a Base64 string (assuming one byte per character)?
...
Image comparison - fast algorithm
I'm looking to create a base table of images and then compare any new images against that to determine if the new image is an exact (or close) duplicate of the base.
...
How do you make an element “flash” in jQuery
...eOut(100).fadeIn(100).fadeOut(100).fadeIn(100);
function go1() { $("#demo1").fadeOut(100).fadeIn(100).fadeOut(100).fadeIn(100)}
function go2() { $('#demo2').delay(100).fadeOut().fadeIn('slow') }
#demo1,
#demo2 {
text-align: center;
font-family: Helvetica;
background: IndianRed;
...
CMake: Project structure with unit tests
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to write log base(2) in c/c++
Is there any way to write log(base 2) function?
14 Answers
14
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How do I list the symbols in a .so file
...l for demangling C++):
$ objdump -TC libz.so
libz.so: file format elf64-x86-64
DYNAMIC SYMBOL TABLE:
0000000000002010 l d .init 0000000000000000 .init
0000000000000000 DF *UND* 0000000000000000 GLIBC_2.2.5 free
0000000000000000 DF *UND* 0000000000000000 GLIBC_2...
How can I set Image source with base64
I want to set the Image source to a base64 source but it does not work:
4 Answers
4
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How to set the thumbnail image on HTML5 video?
...os = array();
if (isset($_POST["name"])) {
if (!preg_match('/data:([^;]*);base64,(.*)/', $_POST['data'], $matches)) {
die("error");
}
$data = $matches[2];
$data = str_replace(' ', '+', $data);
$data = base64_decode($data);
$file = 'text.jpg';
$dataname = file_put_contents($thumbs_dir . $fil...