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Proper use of the IDisposable interface
...ollector to eventually come along and free it? What if there's an open database connection? Surely we don't want that connection sitting open, waiting for the GC to finalize the object.
If the user has called Dispose() (meaning they no longer plan to use the object) why not get rid of those wastefu...
What is the difference between Elastic Beanstalk and CloudFormation for a .NET project?
...cations, applications built using a variety of AWS resources and container-based solutions (including those built using AWS Elastic Beanstalk).
AWS CloudFormation supports Elastic Beanstalk application environments as one of the AWS resource types. This allows you, for example, to create and manage...
Undefined reference to `sin` [duplicate]
... external references. This library supports all of the
interfaces of the Base System, as defined in Volume 1, except for the
Math Routines.
Standard C Mathematical Library
This library supports
the Base System math routines, as defined in Volume 1. The cc option
-lm is used to se...
Can dplyr package be used for conditional mutating?
...), 2L,
ifelse(a %in% c(0,1,3,4) | c==4, 3L, NA_integer_)))
}
BASE_fun <- function(DF) { # R v3.1.0
transform(DF, g = ifelse(a %in% c(2,5,7) | (a==1 & b==4), 2L,
ifelse(a %in% c(0,1,3,4) | c==4, 3L, NA_integer_)))
}
system.time(ans1 <- DT_fun(DT))
# user s...
Java EE web development, where do I start and what skills do I need? [closed]
...n learn JPA at Jakarta EE tutorial part VIII. Also, EJB3 was much improved based on lessons learnt from Spring. See also When is it necessary or convenient to use Spring or EJB3 or all of them together?
Does Java have MVC? What about JSP? Can MVC and JSP be together? JavaBeans?
You can, but that'...
MVC 3: How to render a view without its layout page when loaded via ajax?
...
couldn't you do this in a base controller, set a property in the ViewData and use that? Then the line would be Layout = ViewBag.LayoutFile.
– RPM1984
Mar 15 '11 at 22:34
...
Interface Builder: What are the UIView's Layout iOS 6/7 Deltas for?
...the different styles, you can change the way Interface Builder presents it based on the OS it would be running on. This is contained within the File Inspector->Interface Builder Document (1st tab on the right bar), as so:
Does this exist if I like to code my interface by hand?
Not directly, b...
Call an activity method from a fragment
... in your fragment from your activity as well if you want to take an action based on your fragment->activity comm.
– Kerem
Nov 21 '14 at 2:01
...
Views vs Components in Ember.js
...your point. But I would think of a component as a black box, behaving only based on the data it gets passed in. And yes depending on what it does this could become a mess very quickly. A dedicated controller would make absolute sense, and a way it could work would be if components could become logic...
How do API Keys and Secret Keys work? Would it be secure if I have to pass my API and secret keys to
...r my credit card numbers
or password and storing that in their
own database?
Yes, though the damage someone can do with S3 seems to be limited to draining your account.
How secret do they need to be? Are
these applications that use the secret
keys storing it somehow?
At some point, y...