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How to use a servlet filter in Java to change an incoming servlet request url?
...
Implement javax.servlet.Filter.
In doFilter() method, cast the incoming ServletRequest to HttpServletRequest.
Use HttpServletRequest#getRequestURI() to grab the path.
Use straightforward java.lang.String methods like substring(), split(), concat() and so on to extract the part o...
Enums and Constants. Which to use when?
...pe except char like:
enum LongEnum : long {
foo,
bar,
}
You can cast explicitly from and implicitly to the the base type, which is useful in switch-statements. Beware that one can cast any value of the base type to an enum, even if the enum has no member with the appropriate value. So usi...
How to pass parameters to ThreadStart method in Thread?
... multiple parameters, and you get compile-time checking without needing to cast from object all the time.
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Why does ('0' ? 'a' : 'b') behave different than ('0' == true ? 'a' : 'b') [duplicate]
... not equal to true, though it is not false.
In the first case, when '0' is casted to bool, casting operator returns true for everything that is not 0.
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Convert Month Number to Month Name Function in SQL
...e hacky but should work:
SELECT DATENAME(month, DATEADD(month, @mydate-1, CAST('2008-01-01' AS datetime)))
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How to find controls in a repeater header or footer
...ntrol)(obj As Repeater, ControlName As String) As T
Dim ctrl As T = TryCast((From item As RepeaterItem In obj.Controls
Where item.ItemType = ListItemType.Header).SingleOrDefault.FindControl(ControlName),T)
Return ctrl
End Function
And use it easy:
Dim txt as string = rp...
Remove the legend on a matplotlib figure
... answered Nov 13 '14 at 15:41
cast42cast42
1,2491111 silver badges88 bronze badges
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Gson: Directly convert String to JsonObject (no POJO)
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the cast to JsonObject is unnecessary, better use new JsonParser().parse(..).getAsJsonObject();
– Chriss
Jul 18 '14 at 11:46
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How to read/write a boolean when implementing the Parcelable interface?
... No reason to use byte over int. byte is more verbose because of the cast: dest.writeInt(myBoolean ? 1 : 0);
– miguel
Jan 17 '15 at 2:31
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Get the IP address of the remote host
...var ctx = request.Properties[MsHttpContext] as HttpContextWrapper; EIf you cast, you dont need to check on null because if the cast fails, you get an exception
– Stef Heyenrath
Oct 20 '17 at 10:36
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