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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
...quire casting due to Scala's type system.
Also in Java people don't typically make immutable objects which I recommend you do for messaging. Consequently its very easy in Java to accidentally do something using Akka that will not scale (using mutable objects for messages, relying on weird closure ...
How do I check how many options there are in a dropdown menu?
...ctual option count / select.length after I populated my select list dynamically via ajax in the .done({}); using .append(). Way to go!
– yardpenalty.com
Nov 10 '16 at 21:35
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Why can't I initialize non-const static member or static array in class?
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Why I can't initialize static data members in class?
The C++ standard allows only static constant integral or enumeration types to be initialized inside the class. This is the reason a is allowed to be initialized while others are not.
Reference:
C++03 9.4.2 Static data members
§4
If a st...
Is there any way to close a StreamWriter without closing its BaseStream?
My root problem is that when using calls Dispose on a StreamWriter , it also disposes the BaseStream (same problem with Close ).
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Elegant way to check for missing packages and install them?
...em are novice/intermediate R users and don't realize that they have to install packages they don't already have.
29 Answers...
Install an apk file from command prompt?
I want to install a file using the Windows command line. First I want to build after compiling all the .jar files to create an .apk file for an Android application without using Eclipse.
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Function passed as template argument
...;< "Result is " << temp << std::endl;
}
which can now be called as either:
doOperation(add2);
doOperation(add3());
See it live
The problem with this is that if it makes it tricky for the compiler to inline the call to add2, since all the compiler knows is that a function pointer...
'Static readonly' vs. 'const'
...rivate static readonly field).
const values are burned directly into the call-site; this is double edged:
it is useless if the value is fetched at runtime, perhaps from config
if you change the value of a const, you need to rebuild all the clients
but it can be faster, as it avoids a method call....
Eclipse fonts and background color
... experience of Eclipse so much better. Thank you---it is hard to wade thru all of Eclipse's options! +1
– Keith Pinson
Jul 29 '11 at 13:59
5
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nvarchar(max) vs NText
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@Confluence Historically, is text and nText older data type than varchar and nvarchar as far as their existence in SQL Server is concerned?
– RBT
May 8 '16 at 12:14
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