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Use of var keyword in C#
...Order>, ObservableCollection<Order> or BindingList<Order> - all I want is to keep that list in memory to iterate over it or get its count or something later on.
Contrast the above declaration with:
ObservableCollection<Order> orders = cust.Orders;
To me, the type name is jus...
How can I view the source code for a function?
...a.frame"
x="Raster", y="Extent"
x="Raster", y="matrix"
x="Raster", y="SpatialLines"
x="Raster", y="SpatialPoints"
x="Raster", y="SpatialPolygons"
x="Raster", y="vector"
To see the source code for one of these methods the entire signature must be supplied, e.g.
getMethod("extract" , signature = c(...
Show or hide element in React
...
React circa 2020
In the onClick callback, call the state hook's setter function to update the state and re-render:
const Search = () => {
const [showResults, setShowResults] = React.useState(false)
const onClick = () => setShowResults(true)
...
Get type name without full namespace
... premature optimisation. It creates a new StringBuilder in each recursive call (even the base case when it's unused), yet ignores the string.Join temporary and LINQ lambda. Just use String until you know it's a bottleneck. /rant
– Nigel Touch
May 30 '18 at 19:0...
How to check if a string array contains one string in JavaScript? [duplicate]
...
There is an indexOf method that all arrays have (except Internet Explorer 8 and below) that will return the index of an element in the array, or -1 if it's not in the array:
if (yourArray.indexOf("someString") > -1) {
//In the array!
} else {
//...
changing source on html5 video tag
...
I hated all these answers because they were too short or relied on other frameworks.
Here is "one" vanilla JS way of doing this, working in Chrome, please test in other browsers:
http://jsfiddle.net/mattdlockyer/5eCEu/2/
HTML:
&l...
How to fix Hibernate LazyInitializationException: failed to lazily initialize a collection of roles,
...r add fetch=FetchType.EAGER inside your ManyToMany annotations to automatically pull back child entities:
@ManyToMany(fetch = FetchType.EAGER)
A better option would be to implement a spring transactionManager by adding the following to your spring configuration file:
<bean id="transactionMana...
How to line-break from css, without using ?
...ng spans that you will then display as blocks (just like a <div> actually).
p span {
display: block;
}
<p><span>hello</span><span>How are you</span></p>
share
...
Send Email Intent
...
The intent chooser says no apps installed to perform this intent when I use ACTION_SENDTO. I'm using Android 4.1.2 and I have an email app installed...
– ffleandro
Nov 28 '12 at 12:06
...
How can I present a file for download from an MVC controller?
In WebForms, I would normally have code like this to let the browser present a "Download File" popup with an arbitrary file type, like a PDF, and a filename:
...