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What's the difference between a Python “property” and “attribute”?
...nnected to class attribute. For instance i need to read file once and keep content assigned to the attribute so the value is cached:
class Misc():
def __init__(self):
self.test = self.test_func()
def test_func(self):
print 'func running'
return '...
Correct idiom for managing multiple chained resources in try-with-resources block?
...I need to declare multiple resources that are dependent on each other, for m>ex m>ample a FileWriter and a BufferedWriter that wraps it. Of course, this question concerns any case when some AutoCloseable resources are wrapped, not only these two specific classes.
...
m>PHP m> convert XML to JSON
...;?m>php m>
class XmlToJson {
public function Parse ($url) {
$fileContents= file_get_contents($url);
$fileContents = str_replace(array("\n", "\r", "\t"), '', $fileContents);
$fileContents = trim(str_replace('"', "'", $fileContents));
$simplm>eX m>ml = simplm>ex m>ml_load_strin...
What is the Java equivalent of m>PHP m> var_dump?
On delete cascade with doctrine2
...ll=\"#1BB76E\"/\u003e\u003c/svg\u003e\u003c/a\u003e",
contentPolicyHtml: "User contributions licensed under \u003ca href=\"https://stackoverflow.com/help/licensing\"\u003ecc by-sa\u003c/a\u003e \u003ca href=\"https://stackoverflow.com/legal/content-policy\"\u003e(content policy)...
Ways to save Backbone.js model data?
..., 'price'=>'1.00')
$response = $app->response();
$response['Content-Type'] = 'application/json';
$response->body(json_encode($donut));
});
Here it's important to note that Backbone m>ex m>pects a JSON object. Always have your server designate the content-type as 'application/json'...
POST data with request module on Node.JS
...ng a header
var request = require('request');
request.post({
headers: {'content-type' : 'application/x-www-form-urlencoded'},
url: 'http://localhost/test2.m>php m>',
body: "mes=heydude"
}, function(error, response, body){
console.log(body);
});
...
Windows equivalent of the 'tail' command
...can just run from cmd.m>ex m>e:
Head Command:
powershell -command "& {Get-Content *filename* -TotalCount *n*}"
Tail Command:
powershell -command "& {Get-Content *filename* | Select-Object -last *n*}"
or, directly from PowerShell:
Get-Content *filename* -TotalCount *n*
Get-Content *filenam...
How to convert an image to base64 encoding?
...yimage.png';
$type = pathinfo($path, PATHINFO_m>EX m>TENSION);
$data = file_get_contents($path);
$base64 = 'data:image/' . $type . ';base64,' . base64_encode($data);
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Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...息，其<MSGID>分别是1，2，3：
redis> HMSET msg:1 title title1 content content1
redis> HMSET msg:2 title title2 content content2
redis> HMSET msg:3 title title3 content content3
再把这三条消息发送给某个用户，其<USRID>是123：
redis> SADD usr:123:msg 1
redis> SADD us...