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How can I add an item to a SelectList in ASP.net MVC
...m looking to insert an item at the beginning of a SelectList with the default value of 0 and the Text Value of " -- Select One --"
...
Node.js vs .Net performance
...s 7 Enterprise 64 bit OS
node server
runs at http://localhost:9090/
/// <reference path="node-vsdoc.js" />
var http = require("http");
http.createServer(function (request, response) {
response.writeHead(200, { "Content-Type": "text/html" });
response.write("<p>hello, world!</p>")...
How can I monitor the thread count of a process on linux?
...
try
ps huH p <PID_OF_U_PROCESS> | wc -l
or htop
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Different types of thread-safe Sets in Java
...er finishes) - this is thread-safe, but you will not have concurrency if multiple threads are really using the set. If you use the iterator, you usually still need to synchronize externally to avoid ConcurrentModificationExceptions when modifying the set between iterator calls. The performance will...
Rolling median algorithm in C
I am currently working on an algorithm to implement a rolling median filter (analogous to a rolling mean filter) in C. From my search of the literature, there appear to be two reasonably efficient ways to do it. The first is to sort the initial window of values, then perform a binary search to inser...
android:drawableLeft margin and/or padding
...dding to push the text and icon closer together than they would be by default:
<Button android:text="@string/button_label"
android:id="@+id/buttonId"
android:layout_width="160dip"
android:layout_height="60dip"
android:layout_gravity="center"
android:textSize="13dip"
andr...
Is it intended by the C++ standards committee that in C++11 unordered_map destroys what it inserts?
... a look at the g++-4.8 headers.
bits/stl_map.h, lines 598-603
template<typename _Pair, typename = typename
std::enable_if<std::is_constructible<value_type,
_Pair&&>::value>::type>
std::pair<iterator, bool...
How can I display an RTSP video stream in a web page?
...n display the feed in a web page:
http://wiki.videolan.org/ActiveX/HTML
<OBJECT classid="clsid:9BE31822-FDAD-461B-AD51-BE1D1C159921"
codebase="http://downloads.videolan.org/pub/videolan/vlc/latest/win32/axvlc.cab"
width="640" height="480" id="vlc" events="True">
<param name="...
How to efficiently build a tree from a flat structure?
...et; set; }
public int ID { get; set; }
}
class Node
{
public List<Node> Children = new List<Node>();
public Node Parent { get; set; }
public MyObject AssociatedObject { get; set; }
}
IEnumerable<Node> BuildTreeAndGetRoots(List<MyObject> actualObjects)
{
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Use 'class' or 'typename' for template parameters? [duplicate]
...ott Myers, Effective C++ (3rd ed.) item 42 (which must, of course, be the ultimate answer) - the difference is "nothing".
Advice is to use "class" if it is expected T will always be a class, with "typename" if other types (int, char* whatever) may be expected. Consider it a usage hint.
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