大约有 5,400 项符合查询结果（耗时：0.0314秒） [XML]
Send attachments with PHP Mail()?
...;
$content = file_get_contents($file);
$content = chunk_split(base64_encode($content));
// a random hash will be necessary to send mixed content
$separator = md5(time());
// carriage return type (RFC)
$eol = "\r\n";
// main header (multipart mandatory)
$headers = ...
JS - get image width and height from the base64 code
I have a base64 img encoded that you can find here . How can I get the height and the width of it?
4 Answers
...
How to take screenshot of a div with JavaScript?
...0, 100, 100, function(data) {
// in the data variable there is the base64 image
// exmaple for displaying the image in an <img>
$("img#captured").attr("src", "data:image/png;base64,"+data);
});
Keep in mind console.log() and alert() won´t generate output if the size of the image...
Can gcc output C code after preprocessing?
...padimipadi
344k7777 gold badges492492 silver badges464464 bronze badges
14
...
How to clear basic authentication details in chrome
...
Didn't work for me (Version 54.0.2840.98 (64-bit) on Mac OS X 10.11) with On Startup: Continue where you left off
– Frans
Nov 30 '16 at 12:52
1
...
What do linkers do?
...
164
To understand linkers, it helps to first understand what happens "under the hood" when you conv...
Internet Explorer 11 detection
... added the machine bit space :
ie11 :
"Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; .NET4.0E; .NET4.0C; .NET CLR 3.5.30729; .NET CLR 2.0.50727; .NET CLR 3.0.30729; rv:11.0) like Gecko"
ie12 :
"Mozilla/5.0 (Windows NT 6.3; Win64; x64; Trident/7.0; .NET4.0E; .NET4.0C; .NET CLR 3.5.30729; ....
How can I install pip on Windows?
...Python packages. He builds installers for all Python versions, both 32 and 64 bit. You need to:
Install setuptools
Install pip
For me, this installed Pip at C:\Python27\Scripts\pip.exe. Find pip.exe on your computer, then add its folder (for example, C:\Python27\Scripts) to your path (Start / Ed...
How to get current time in milliseconds in PHP?
...
Short answer:
64 bits platforms only!
function milliseconds() {
$mt = explode(' ', microtime());
return ((int)$mt[1]) * 1000 + ((int)round($mt[0] * 1000));
}
[ If you are running 64 bits PHP then the constant PHP_INT_SIZE equals t...
Purpose of memory alignment
...eviously is alignment on cache lines which are (for example, on some CPUs) 64B.
For more info on how much performance can be gained by leveraging caches, take a look at Gallery of Processor Cache Effects; from this question on cache-line sizes
Understanding of cache lines can be important for c...