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Can a C# lambda expression have more than one statement?
...
(I'm assuming you're really talking about multiple statements rather than multiple lines.)
You can use multiple statements in a lambda expression using braces, but only the syntax which doesn't use braces can be converted into an expression tree:
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Numpy - add row to array
...2, 0]])
X = array([[0, 1, 2], [1, 2, 0], [2, 1, 2], [3, 2, 0]])
add to A all rows from X where the first element < 3:
import numpy as np
A = np.vstack((A, X[X[:,0] < 3]))
# returns:
array([[0, 1, 2],
[0, 2, 0],
[0, 1, 2],
[1, 2, 0],
[2, 1, 2]])
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Why are Subjects not recommended in .NET Reactive Extensions?
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Ok,
If we ignore my dogmatic ways and ignore "subjects are good/bad" all together. Let us look at the problem space.
I bet you either have 1 of 2 styles of system you need to ingrate to.
The system raises an event or a call back when a message arrives
You need to poll the system to see if t...
How to write a CSS hack for IE 11? [duplicate]
...p-equiv="X-UA-Compatible" content="IE=edge">
<style>
@media all and (-ms-high-contrast:none)
{
.foo { color: green } /* IE10 */
*::-ms-backdrop, .foo { color: red } /* IE11 */
}
</style>
</head>
<body>
<div class="foo">Hi There!!!</...
C#: Assign same value to multiple variables in single statement
...nteresting to know that the get accessor of the intermediate value is not called. Only the set accessor is invoked for all property accessed in the assignation sequence.
Take for example a class that write to the console everytime the get and set accessor are invoked.
static void Main(string[] arg...
A semantics for Bash scripts?
...patchwork together little scripts that appear to work. However, I don't really know what's going on, and I was hoping for a more formal introduction to Bash as a programming language. For example: What is the evaluation order? what are the scoping rules? What is the typing discipline, e.g. is ever...
How to know if two arrays have the same values
..., i.e. ['a', 'b'] and ['a,b']. I would only recommend this technique for small throwaway scripts.
– alex
Mar 7 '16 at 16:23
1
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Multiple Inheritance in PHP
...tMessage class, and sending algorithm is delegated to dispatcher. This is called Strategy Pattern, you can read more on it here.
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How to keep the console window open in Visual C++?
...ause") or any other garbage. Changing this works.
– Callat
Apr 22 '16 at 16:08
Ctrl+F5 means 'Start Without Debugging'...
Client on node: Uncaught ReferenceError: require is not defined
... true when the browser window (where this HTML file is embedded) was originally created in the main process.
function createAddItemWindow() {
//Create new window
addItemWindown = new BrowserWindow({
width: 300,
height: 200,
title: 'Add Item',
//The lines below solved the issue
...