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Dynamic constant assignment
...ed, as it makes the constant non-constant; even though the contents of the string are the same (for the moment, anyhow), the actual string object itself is different each time the method is called. For example:
def foo
p "bar".object_id
end
foo #=> 15779172
foo #=> 15779112
Perhaps if yo...
Git: How to rebase to a specific commit?
...atively, check out the branch first with:
git checkout topic
Rebase Any String of Commits to a Target Commit
The basic form of the command we need, cribbed from the documentation, is:
git rebase --onto <Target> [<Upstream> [<Branch>]]
<Branch> is optional and all it do...
JPQL IN clause: Java-Arrays (or Lists, Sets…)?
...
I'm not sure for JPA 1.0 but you can pass a Collection in JPA 2.0:
String qlString = "select item from Item item where item.name IN :names";
Query q = em.createQuery(qlString, Item.class);
List<String> names = Arrays.asList("foo", "bar");
q.setParameter("names", names);
List<Item...
STL or Qt containers?
...
I started by using std::(w)string and the STL containers exclusively and converting to/from the Qt equivalents, but I have already switched to QString and I find that I'm using Qt's containers more and more.
When it comes to strings, QString offers mu...
Nesting await in Parallel.ForEach
...can Post() each id to the TransformBlock.
In code:
var ids = new List<string> { "1", "2", "3", "4", "5", "6", "7", "8", "9", "10" };
var getCustomerBlock = new TransformBlock<string, Customer>(
async i =>
{
ICustomerRepo repo = new CustomerRepo();
return awa...
How to get the tag HTML with JavaScript / jQuery?
.../API/Document.documentElement.
UPDATE: To then grab the html element as a string you would do:
document.documentElement.outerHTML
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Initialize parent's protected members with initialization list (C++)
...t along. Something like:
class Parent
{
protected:
Parent( const std::string& something ) : something( something )
{}
std::string something;
}
class Child : public Parent
{
private:
Child() : Parent("Hello, World!")
{
}
}
...
java.lang.IllegalStateException: Cannot (forward | sendRedirect | create session) after response has
...lled in the very same method.
protected void doXxx() {
out.write("some string");
// ...
forward(); // Fail!
}
The response buffer size defaults in most server to 2KB, so if you write more than 2KB to it, then it will be committed and forward() will fail the same way:
java.lang.Illegal...
How to use conditional breakpoint in Eclipse?
...
1. Create a class
public class Test {
public static void main(String[] args) {
// TODO Auto-generated method stub
String s[] = {"app","amm","abb","akk","all"};
doForAllTabs(s);
}
public static void doForAllTabs(String[] tablist){
for(int i = 0; i<tablist.length;...
How to perform a real time search and filter on a HTML table
... this approach because it is quite resource consuming. Put all the refined strings into an array of objects with two fields: a reference to the <tr> DOMElement and the string. This way, on keyup() you search those strings (which is way faster) and have the corresponding rows ready to be manipu...