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Do you need to dispose of objects and set them to null?
... But my question is Dispose() needs to implement any logic? Does it have to do something? Or internally when Dispose() is called signals GC that is good to go? I checked the source code for the TextWriter for example and Dispose has no implementation.
– Mihail ...
is vs typeof
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Does it matter which is faster, if they don't do the same thing? Comparing the performance of statements with different meaning seems like a bad idea.
is tells you if the object implements ClassA anywhere in its type heirar...
Applying a function to every row of a table using dplyr?
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If it does not work, make sure you are actually using dplyr::mutate not plyr::mutate - drove me nuts
– jan-glx
Aug 3 '15 at 13:38
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Should I use a data.frame or a matrix?
...a that are in data frames.
Data frames are often far more convenient; one doesn't always have solely atomic chunks of data lying around.
Note that you can have a character matrix; you don't just have to have numeric data to build a matrix in R.
In converting a data frame to a matrix, note that th...
Why can't yield return appear inside a try block with a catch?
...ble.
Consider that:
You can make sure that the yield return part itself doesn't throw an exception (precalculate the value, and then you're just setting a field and returning "true")
You're allowed try/catch which doesn't use yield return in an iterator block.
All local variables in the iterator ...
How should you build your database from source control?
... Good points, but still. When you read "build a database from scratch", it does not always mean to delete the data. It is to rebuild the schema and static data. If there is some work-in-progress (regarding schema or static data) it should be in the source control, so it will be part of the nightly b...
Differences between Perl and PHP [closed]
...string repetition (x) and range (.. and ...). PHP has a few operators Perl doesn't, such as the error suppression operator (@), instanceof (though Perl does have the Universal::isa method) and clone.
In PHP, new is an operator. In Perl, it's the conventional name of an object creation subroutine de...
Updating packages in Emacs
...lade repo. You don't just submit a link to the package's upstream, and it doesn't quite automate the creation of the package completely. I think this is the Right Thing, because you don't necessarily want to track upstream. Unfortunately, it has been unmaintained for a while, but someone recently...
How to add a local repo and treat it as a remote repo
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It's just a path... Git doesn't care what it's named.
– larsks
Sep 23 '16 at 10:59
2
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Adding gif image in an ImageView in android
...evice running on 4.4, but when I ran it on a Lollipop device (5.1) the Gif does not animate.
– vikzilla
Nov 5 '15 at 22:35
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