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How to use multiple @RequestMapping annotations in spring?
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@RequestMapping has a String[] value parameter, so you should be able to specify multiple values like this:
@RequestMapping(value={"", "/", "welcome"})
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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...
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...
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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Linux find file names with given string
... files in the current directory and subdirectories whose name contains the string "John". I know that grep can match the content in the files, but I have no idea how to use it with file names. Any help would be appreciated.
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Changing names of parameterized tests
...se change the name of parameterized tests, you say:
@Parameters(name="namestring")
namestring is a string, which can have the following special placeholders:
{index} - the index of this set of arguments. The default namestring is {index}.
{0} - the first parameter value from this invocation of...
Which is faster: Stack allocation or Heap allocation
...t want that code optimized. It strikes me as being very similar to paying extra for valet parking, but refusing to hand over the keys. In this particular case, I don't want the optimizer running.
Using a slightly modified version of the benchmark (to address the valid point that the original prog...
How to print instances of a class using print()?
...an use instead of Str ; note that it should return a unicode object, not a string (but if you return a string, the conversion to unicode will be done anyway...)
– kender
Oct 8 '09 at 5:32
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When should I use ugettext_lazy?
...y executed once (mostly on django's startup); ugettext_lazy translates the strings in a lazy fashion, which means, eg. every time you access the name of an attribute on a model the string will be newly translated-which totally makes sense because you might be looking at this model in different langu...
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 ...