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How can I create a copy of an object in Python?
...ame object:
>>> tuple_copy_attempt is a_tuple
True
Similarly for strings:
>>> s = 'abc'
>>> s0 = s[:]
>>> s == s0
True
>>> s is s0
True
and for frozensets, even though they have a copy method:
>>> a_frozenset = frozenset('abc')
>>> fro...
What does (angle brackets) mean in Java?
...of the elements in a container, for example. Another example is HashMap<String, Integer>, which means "a map with String keys and Integer values."
Your Pool example is a bit different, because there you are defining a class. So in that case, you are creating a class that somebody else could i...
How to use multiple @RequestMapping annotations in spring?
...
@RequestMapping has a String[] value parameter, so you should be able to specify multiple values like this:
@RequestMapping(value={"", "/", "welcome"})
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Using querySelectorAll to retrieve direct children
...support one code path that really just wants to take an arbitrary selector string as input and a list of matches as output! But if like me you ended up asking this question simply because you got stuck thinking "all you had was a hammer" don't forget there are a variety of other tools the DOM offers...
String concatenation in MySQL
...ame FROM test.student
As @eggyal pointed out in comments, you can enable string concatenation with the || operator in MySQL by setting the PIPES_AS_CONCAT SQL mode.
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How to delete cookies on an ASP.NET website
...move it from the user's disk.
Here is a sample:
HttpCookie aCookie;
string cookieName;
int limit = Request.Cookies.Count;
for (int i=0; i<limit; i++)
{
cookieName = Request.Cookies[i].Name;
aCookie = new HttpCookie(cookieName);
aCookie.Expires = DateTime...
How do I escape double quotes in attributes in an XML String in T-SQL?
...ote with another double quote. So if you wanted it to be part of your sql string literal you would do this:
declare @xml xml
set @xml = "<transaction><item value=""hi"" /></transaction>"
If you want to include a quote inside a value in the xml itself, you use an entity, which ...
Android Spinner : Avoid onItemSelected calls during initialization
...{
TextView textView = (TextView) findViewById(R.id.textView1);
String str = (String) parent.getItemAtPosition(pos);
textView.setText(str);
}
}
You can do it with boolean value and also by checking current and previous positions. See here
...
Get JSF managed bean by name in any Servlet related class
...follows:
@SuppressWarnings("unchecked")
public static <T> T findBean(String beanName) {
FacesContext context = FacesContext.getCurrentInstance();
return (T) context.getApplication().evaluateExpressionGet(context, "#{" + beanName + "}", Object.class);
}
and can be used as follows:
Bean...
What is the max size of localStorage values?
Since localStorage (currently) only supports strings as values, and in order to do that the objects need to be stringified (stored as JSON-string) before they can be stored, is there a defined limitation regarding the length of the values.
...