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How do I group Windows Form radio buttons?
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@UweB what if I cant add group boxes and panels due to any problem let say I don't have much space on my form. Then?
– Muhammad Saqib
Jan 3 '15 at 10:29
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Python - Passing a function into another function
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And what if the function is a method on an object and uses a property of that object to do its work?
– CpILL
May 12 '15 at 2:33
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In Javascript, how to conditionally add a member to an object?
..., I cannot think of anything more idiomatic than your first code snippet.
If, however, using the jQuery library is not out of the question, then $.extend() should meet your requirements because, as the documentation says:
Undefined properties are not copied.
Therefore, you can write:
var a =...
“No X11 DISPLAY variable” - what does it mean?
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If you're on the main display, then
export DISPLAY=:0.0
or if you're using csh or tcsh
setenv DISPLAY :0.0
before running your app.
Actually, I'm surprised it isn't set automatically. Are you trying to start this appl...
How does cookie “Secure” flag work?
... attribute, the user agent will include the cookie in an HTTP request only if the request is transmitted over a secure channel (typically HTTP over Transport Layer Security (TLS) [RFC2818]).
Although seemingly useful for protecting cookies from active network attackers, the Secure attribute pro...
Is there any way in C# to override a class method with an extension method?
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@Alex by mentioning virtual I am simply clarifying what it means to be polymorphic. In virtually all uses of GetHashCode, the concrete type is unknown - so polymorphism is in play. As such, extension methods wouldn't help even if they took priority in the regular compi...
Maven artifact and groupId naming
..., I want to use well-established conventions for finding groupId and artifactId , but I can't find any detailed conventions (there are some, but they don't cover the points I'm wondering about).
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Is it safe to check floating point values for equality to 0?
...equality between double or decimal type values normally, but I'm wondering if 0 is a special case.
9 Answers
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Add default value of datetime field in SQL Server to a timestamp
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For modifying an existing column in an existing table:
ALTER TABLE YourTable ADD CONSTRAINT DF_YourTable DEFAULT GETDATE() FOR YourColumn
share
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How to assign an exec result to a sql variable?
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I always use the return value to pass back error status. If you need to pass back one value I'd use an output parameter.
sample stored procedure, with an OUTPUT parameter:
CREATE PROCEDURE YourStoredProcedure
(
@Param1 int
,@Param2 varchar(5)
,@Param3 datetime...