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Which $_SERVER variables are safe?
... from and hence whether it can be trusted for a certain purpose. $_SERVER['HTTP_FOOBAR'] for example is entirely safe to store in a database, but I most certainly wouldn't eval it.
As such, let's divide those values into three categories:
Server controlled
These variables are set by the server en...
How to download a file with Node.js (without using third-party libraries)?
...
You can create an HTTP GET request and pipe its response into a writable file stream:
const http = require('http');
const fs = require('fs');
const file = fs.createWriteStream("file.jpg");
const request = http.get("http://i3.ytimg.com/vi/J--...
How can I mock requests and the response?
... def json(self):
return self.json_data
if args[0] == 'http://someurl.com/test.json':
return MockResponse({"key1": "value1"}, 200)
elif args[0] == 'http://someotherurl.com/anothertest.json':
return MockResponse({"key2": "value2"}, 200)
return MockResponse...
Do HTML WebSockets maintain an open connection for each client? Does this scale?
...ange those clients into WebSockets clients and it just might be feasible.
HTTP connections, while they don't create open files or consume port numbers for a long period, are more expensive in just about every other way:
Each HTTP connection carries a lot of baggage that isn't used most of the tim...
Non greedy (reluctant) regex matching in sed?
...tunately, Perl regex for this context is pretty easy to get:
perl -pe 's|(http://.*?/).*|\1|'
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PHP - how to best determine if the current invocation is from CLI or web server?
...on, there is the PHP constant PHP_SAPI.
Documentation can be found here: http://php.net/php_sapi_name
For example, to determine if PHP is being run from the CLI, you could use this function:
function isCommandLineInterface()
{
return (php_sapi_name() === 'cli');
}
...
How are people managing authentication in Go? [closed]
...ample, (generously) provided by a member of the golang-nuts mailing list:
https://groups.google.com/forum/#!msg/golang-nuts/GE7a_5C5kbA/fdSnH41pOPYJ
This provides a suggested schema and server-side implementation as a basis for custom authentication. The client-side code is still up to you.
(I ho...
Set HTTP header for one request
...ed to set the Authorization header for that request. I read about setting HTTP request headers , but from what I can tell, it will set that header for all requests of that method. I have something like this in my code:
...
js/php判断终端类型：PC访问、手机访问、微信访问 - 更多技术 - 清泛网 - ...
...ser.versions.mobile && !browser.versions.iPad) {
window.location.href="https://www.tsingfun.com/index.php?m=wap";
}
</script>
不过有时候还是后端判断直接定位相应模板来得直接，不用中转一道，这里提供php的判断方法：
// 判断是否是手机端
functi...
How do I POST urlencoded form data with $http without jQuery?
...o JSON string, but to url params.
From Ben Nadel's blog.
By default, the $http service will transform the outgoing request by
serializing the data as JSON and then posting it with the content-
type, "application/json". When we want to post the value as a FORM
post, we need to change the serializati...