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Installing Bower on Ubuntu
I'm trying to install Bower on XUbuntu 13.10, following the instructions on the Bower home page, after doing sudo apt-get install npm and sudo npm install -g bower I get the following after issuing bower on the command line:
...
How can I create a temp file with a specific extension with .NET?
...
Guaranteed to be (statistically) unique:
string fileName = System.IO.Path.GetTempPath() + Guid.NewGuid().ToString() + ".csv";
(To quote from the wiki article on the probabilty of a collision:
...one's annual risk of being hit by a
meteorite i...
BLE协议—广播和扫描 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...广播方式的报文有4种，分别为可连接的非定向广播（ADV_IND）、可连接的定向广播（ADV_DIRECT_IND）、可扫描非定向广播（ADV_SCAN_IND）、不可连接的非定向广播（ADV_NONCONN_IND）
4种广播的使用场景各不相同
可连接的非定向广播（A...
How to get notified about changes of the history via history.pushState?
...);
}
// ... whatever else you want to do
// maybe call onhashchange e.handler
return pushState.apply(history, arguments);
};
})(window.history);
Your jsfiddle becomes:
window.onpopstate = history.onpushstate = function(e) { ... }
You can monkey-patch window.h...
What is function overloading and overriding in php?
...that method.
In PHP, you can only overload methods using the magic method __call.
An example of overriding:
<?php
class Foo {
function myFoo() {
return "Foo";
}
}
class Bar extends Foo {
function myFoo() {
return "Bar";
}
}
$foo = new Foo;
$bar = new Bar;
echo($foo-&...
querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
...w what exactly is the difference between querySelector and querySelectorAll against getElementsByClassName and getElementById ?
...
How do I suspend painting for a control and its children?
... and reflector usage I came across the WM_SETREDRAW win32 message. This really stops controls drawing whilst you update them and can be applied, IIRC to the parent/containing panel.
This is a very very simple class demonstrating how to use this message:
class DrawingControl
{
[DllImport("user...
Backup/Restore a dockerized PostgreSQL database
...
Backup your databases
docker exec -t your-db-container pg_dumpall -c -U postgres > dump_`date +%d-%m-%Y"_"%H_%M_%S`.sql
Restore your databases
cat your_dump.sql | docker exec -i your-db-container psql -U postgres
...
javascript: pause setTimeout();
...imilar to what you were suggesting in the question:
var Timer = function(callback, delay) {
var timerId, start, remaining = delay;
this.pause = function() {
window.clearTimeout(timerId);
remaining -= Date.now() - start;
};
this.resume = function() {
start =...
Convert a string to an enum in C#
... true);
}
StatusEnum MyStatus = "Active".ToEnum<StatusEnum>();
Finally, you may want to have a default enum to use if the string cannot be parsed:
public static T ToEnum<T>(this string value, T defaultValue)
{
if (string.IsNullOrEmpty(value))
{
return defaultValue;
...