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Do c++11 lambdas capture variables they don't use?
... odr-used entity is not explicitly captured, then the odr-used entity is said to be implicitly captured.
Your lambda expression has an associated capture default: by default, you capture variables by value using the [=].
If and only if a variable is used (in the One Definition Rule sense of the te...
Are empty HTML5 data attributes valid?
...ple jQuery plugin that displays inline modals under specified elements. My idea is for the script to auto-init based on data attributes specified on elements.
...
How to synchronize a static variable among threads running different instances of a class in Java?
...Test {
private static int count = 0;
public static synchronized void incrementCount() {
count++;
}
}
Explicitly synchronize on the class object.
public class Test {
private static int count = 0;
public void incrementCount() {
synchronized (Test.class) {
...
Using lambda expressions for event handlers
... this:
public partial class MyPage : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
//snip
MyButton.Click += new EventHandler(delegate (Object o, EventArgs a)
{
//snip
});
}
}
...
Reading a string with scanf
...ry pointer. I think the C implementation on the Symbolics "Lisp Machines" did something like this.)
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Cannot pass null argument when using type hinting
...her languages null has the ability to be of any type thus making null a valid argument in this case. 2: Php is using a default value for an argument to specify that null is allowable, this is obscure and it makes a mandatory parameter impossible even if the developer wants to force a null to be expl...
In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
...g version 4.1):
The @NotNull constraint is defined as:
@Constraint(validatedBy = {NotNullValidator.class})
This class has an isValid method defined as:
public boolean isValid(Object object, ConstraintValidatorContext constraintValidatorContext) {
return object != null;
}
The @NotEmpt...
List files recursively in Linux CLI with path relative to the current directory
...ecause it generally leads to bugs. The sentence in question was trying to call that out. It also had a joke in it that I have removed.
– Adam Katz
Mar 15 '16 at 0:32
add a c...
Convert string with comma to integer
...r. It's way much better than mine. In fact i was hoping there would be one call instead of two. like: "1,112".to_money. After reviewing the answers, it's likely there's no such method. Anyway, thanks so much!
– mCY
Jul 16 '12 at 8:55
...
Nearest neighbors in high-dimensional data?
...oronoi Tessellation is a conceptually simple container but that will drastically improve performance and scales better than kd-Trees.
This is not the most common way to persist kNN training data, though the application of VT for this purpose, as well as the consequent performance advantages, are we...