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Single Page Application: advantages and disadvantages [closed]
...l), then the number of requests to the server (read "possibilities for 503 errors that wreck your user experience") is dramatically reduced. In fact, a SPA makes it possible to do entirely offline processing, which is huge in some situations.
Performance is certainly better with client-side renderin...
What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
...exactly like the parameters of function foo. Otherwise it will throw a TypeError:
>>> mydict = {'x':1,'y':2,'z':3,'badnews':9}
>>> foo(**mydict)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: foo() got an unexpected keyword argument...
How to integrate nodeJS + Socket.IO and PHP?
... icon: icon,
});
})
.fail(function() {
console.log("error");
// send notification when post failed
socket.emit('new_notification', {
message: 'Messge was failed',
title: title,
icon: icon,
});
})
.always(function() {
co...
What's to stop malicious code from spoofing the “Origin” header to exploit CORS?
...request and response headers as http://client1.dev, but you can see in the error that Chrome somehow knows the real origin was http://client2.dev and correctly rejects the response. Which doesn't matter at this point because the server had already accepted the spoofed request and spent my money.
...
Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
...etime in the future, when the file has been read successfully or thrown an error.
In all cases, we have a callback which may run sometime in the future. This "sometime in the future" is what we refer to as asynchronous flow.
Asynchronous execution is pushed out of the synchronous flow. That is, t...
RabbitMQ and relationship between channel and connection
...e design of AMQP is that the channel is typically closed in response to an error (e.g. re-declaring a queue with different parameters before deleting the existing queue).
Since they are transient, channels should not be pooled by your app.
The server uses an integer to identify a channel. When the t...
Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...第一个域加10并打印出来。
$ awk '{print ($1 > 5 ? "ok "$1: "error"$1)}' test-----如果第一个域大于5则打印问号后面的表达式值，否则打印冒号后面的表达式值。
$ awk '/^root/,/^mysql/' test----打印以正则表达式root开头的记录到以正则表...
JavaScript closures vs. anonymous functions
... JS would be like without closures.
Without closures, this would throw an error
function outerFunc(){
var outerVar = 'an outerFunc var';
return function(){
alert(outerVar);
}
}
outerFunc()(); //returns inner function and fires it
Once outerFunc has returned in an imaginary c...
Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...ble option. The programmer can use the floating point version with all the error reporting available instead.
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It is not working... I am getting this error : Benchmarking localhost (be patient)...apr_socket_recv: Connection refused (111)
– Vijaysinh Parmar
Aug 4 '17 at 6:32
...