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Difference between abstraction and encapsulation?
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@Sanjeev encapsulation is concrete, abstraction is...abstract! ;-) encapsulation is an object you can use, abstraction is an ideal you can ...
Attach a file from MemoryStream to a MailMessage in C#
...et.Mime.MimeTypeNames like System.Net.Mime.MediaTypeNames.Application.Pdf
Based on Mime Type you need to specify correct extension in FileName for instance "myFile.pdf"
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phpcms v9类别调用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...'caches_model'.DIRECTORY_SEPARATOR.'caches_data'.DIRECTORY_SEPARATOR);
pc_base::load_app_func('util','content');
class type {
private $db;
function __construct() {
$this->db = pc_base::load_model('content_model');
}
/**
* 按照模型搜索
*/
public function init() {
if(!i...
Drawing an image from a data URL to a canvas
...ht not be necessary to use the onload handler when a data URI is involved. Based on experimental tests from this question, it is not safe to do so. The above sequence—create the image, set the onload to use the new image, and then set the src—is necessary for some browsers to surely use the resu...
Should I add the Visual Studio .suo and .user files to source control?
... when you view status, or commit
files, those files won't clutter the code base and obscure new files you need to add.
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Can I use a binary literal in C or C++?
...ortable itoa function, or implement your own.
Unfortunately you cannot do base 2 formatting with STL streams (since setbase will only honour bases 8, 10 and 16), but you can use either a std::string version of itoa, or (the more concise, yet marginally less efficient) std::bitset.
#include <boo...
Rails raw SQL example
...ql = "Select * from ... your sql query here"
records_array = ActiveRecord::Base.connection.execute(sql)
records_array would then be the result of your sql query in an array which you can iterate through.
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Vim indent xml file
...iles and vim, in Sublime they reindents very quickly (5000-10000 lines and base64 data), but in Vim they reindents several minutes. This solution fix problem with large XML files. Again I happy with Vim.
– Sonique
May 17 '15 at 17:33
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How to remove the arrow from a select element in Firefox
...ebkit-appearance: none;
-moz-appearance: none;
appearance: none;
}
DEMO
select {
margin: 50px;
border: 1px solid #111;
background: transparent;
width: 150px;
padding: 5px;
font-size: 16px;
border: 1px solid #ccc;
height: 34px;
-webkit-appearance: none;
-moz...
How to access outer class from an inner class?
... add metaclass
_METACLASS_ = '_metaclass_helper_'
def with_metaclass(meta, base=object):
return meta(_METACLASS_, (base,), {})
class OuterMeta(type):
def __new__(mcs, name, parents, dct):
cls = super(OuterMeta, mcs).__new__(mcs, name, parents, dct)
for klass in dct.values()...