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Is recursion a feature in and of itself?
...nt is also fair from the perspective of someone learning to program (as is now usual) without having any background in machine code programming first. :-)
– Harry Johnston
May 11 '14 at 2:38
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A migration to add unique constraint to a combination of columns
...uble tap on an api heavy app) I have two identical records in my DB right now and the model has the validation..
– baash05
Mar 17 '15 at 1:26
6
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Differences between git remote update and fetch?
...Original answer with more details
xenoterracide's answer is 3.5 years old now, and Git has gone through several versions since then (it has gone from v1.6.5.5 to v1.8.3.2 as of this writing), and looking at the current documentation for git remote update and git fetch, it looks like they both can p...
How to use WeakReference in Java and Android development?
... }
mPopup.setAdapter(mAdapter);
}
One last thing. I also wanted to know working example of WeakReference in Android application, and I could find some samples in its official sample applications. But I really couldn't understand some of them's usage. For example, ThreadSample and DisplayingBi...
Optimizing away a “while(1);” in C++0x
...theory is required to prove termination, in the latter case, we need
to know something about the possible values of j to do so. Wrap-around
for unsigned integers may complicate some of this reasoning further.)
This issue seems to apply to almost all loop restructuring
transformations, inc...
Parallel.ForEach vs Task.Factory.StartNew
...heduler, by default, uses the new ThreadPool, which handles this very well now.
– Reed Copsey
Feb 17 '11 at 16:42
Than...
What is the difference between Digest and Basic Authentication?
...http response code 200 ok ,i.e, the username:password were correct .
Now , In the Authorization header it shows that it is Basic Authorization followed by some random string .This String is the encoded (Base64) version of the credentials admin:aadd (including colon ) .
2 . Http Digest Authent...
Covariance, Invariance and Contravariance explained in plain English?
...must be supertype of U (contravariant, as contra inheritance direction).
Now co- and contra- relate to B being subtype of A. The following stronger typings may be introduced with more specific knowledge. In the subtype.
Covariance (available in Java) is useful, to say that one returns a more spec...
Read an Excel file directly from a R script
...
And now there is readxl:
The readxl package makes it easy to get data out of Excel and into R.
Compared to the existing packages (e.g. gdata, xlsx, xlsReadWrite etc)
readxl has no external dependencies so it's easy to ins...
Git Cherry-pick vs Merge Workflow
...erge it into 'maint' and into 'master'... though in this case you need to know that said bugfix applies to both branches.
– Jakub Narębski
Oct 29 '11 at 11:41
4
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