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C++ equivalent of Java's toString?
...a custom class. Is that possible in C++? In Java you could override the toString() method for similar purpose.
5 Answers
...
Invoke(Delegate)
...erations
// the canonical form (C# consumer)
public delegate void ControlStringConsumer(Control control, string text); // defines a delegate type
public void SetText(Control control, string text) {
if (control.InvokeRequired) {
control.Invoke(new ControlStringConsumer(SetText), new o...
How to use a servlet filter in Java to change an incoming servlet request url?
...letRequest#getRequestURI() to grab the path.
Use straightforward java.lang.String methods like substring(), split(), concat() and so on to extract the part of interest and compose the new path.
Use either ServletRequest#getRequestDispatcher() and then RequestDispatcher#forward() to forward the reque...
Which is better, number(x) or parseFloat(x)?
...erence between parseFloat and Number
parseFloat/parseInt is for parsing a string, while Number/+ is for coercing a value to a number. They behave differently. But first let's look at where they behave the same:
parseFloat('3'); // => 3
Number('3'); // => 3
parseFloat('1.501'); // => 1.501...
Git search for string in a single file's history
...g method called bar , so I want to search the history of foo.rb for the string bar to see if it was ever defined in the past.
...
Application auto build versioning
...o linker (go tool link) has an option to set the value of an uninitialised string variable:
-X importpath.name=value
Set the value of the string variable in importpath named name to
value.
Note that before Go 1.5 this option took two separate arguments.
Now it takes one argume...
How do I iterate through the alphabet?
...
You can use string.ascii_lowercase which is simply a convenience string of lowercase letters,
>>> from string import ascii_lowercase
>>> for c in ascii_lowercase:
... # append to your url
...
How do I get the name of captured groups in a C# Regex?
...For example,
GroupCollection groups = regex.Match(line).Groups;
foreach (string groupName in regex.GetGroupNames())
{
Console.WriteLine(
"Group: {0}, Value: {1}",
groupName,
groups[groupName].Value);
}
...
YouTube Video Embedded via iframe Ignoring z-index?
...
@Dan, see my edit... you might already have a query string in your youtube embed code. (like ?rel=0 to not show relevant videos). If that's the case use &wmode=transparent (or opaque - I've heard opaque uses less system resources, so I use that mainly, unless I have a re...
How to find the length of a string in R
How to find the length of a string (number of characters in a string) without splitting it in R? I know how to find the length of a list but not of a string.
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