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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
...avoid for large data, and why := and set() were introduced to data.table.
Now, with our copied newDT we can modify it by reference :
newDT
# a b
# [1,] 1 11
# [2,] 2 200
newDT[2, b := 400]
# a b # See FAQ 2.21 for why this prints newDT
# [1,] 1 11
# [2,] 2 400
.Internal(in...
Is it possible to run JavaFX applications on iOS, Android or Windows Phone 8?
...ad news first:
RoboVM is dead
Oracle killed JavaFX on Embedded Devices
Now, some good news:
JavaFX still runs on Android, iOS and most of the Embedded devices
JavaFXPorts SDK for android, iOS and embedded devices can be downloaded from here
JavaFXPorts project is still thriving and it is easie...
Rebasing and what does one mean by rebasing pushed commits
...stream repo, and other developer's local repos may have pointers to that. Now their pointers are stale: the git client has no alternative but to use older pointers and rely upon the human to sort the rest out. This is a re-merge, and it can be VERY messy with a lot of confusing changes that must b...
Why maven? What are the benefits? [closed]
...for it in your
dependency management... there is no
'I'll just do this now and fix it
later' implementations.
Dependency Management is clearly declared. with the dependency
management mechanism you have to try
to screw up your jar
versioning...there is none of the
classic problem of ...
$on and $broadcast in angular
...
One thing you should know is $ prefix refers to an Angular Method, $$ prefixes refers to angular methods that you should avoid using.
below is an example template and its controllers, we'll explore how $broadcast/$on can help us achieve what we w...
How to trigger Autofill in Google Chrome?
I would like to know if there is some kind of special markup to enable the Chrome autofill feature for a specific form. I only found questions about how to disable it, but I would like to know if I can add some kind of markup to the html code in order to tell the browser "this is the input for the a...
Are nested transactions allowed in MySQL?
... @Quassnoi the link I provided was to show that nested transactions are now supported. Now, savepoints are powerful, but they're not the same as nested BEGIN,COMMIT/ROLLBACK (programatically speaking, command-wise) although you seem pretty sure that in a "single-threaded context" they're equivale...
Eclipse plugin for generating a class diagram [closed]
...ipseUML from Omondo. Only commercial versions appear to be available right now. The class diagram in your question, is most likely generated by this plugin.
Obligatory links
The listed tools will not generate class diagrams from source code, or atleast when I used them quite a few years back. You c...
What are the differences between poll and select?
...is library function both have this limit. But I
see that BSD/OS 2.1 has now been coded to avoid this limit, so it's
doable, just a small matter of programming. :-) Someone should file a
Solaris bug report on this, and see if it ever gets fixed.
With poll(), however, the user must alloc...
Generic method multiple (OR) type constraint
...to use one function. Ah well, thanks a lot! Just out of curiosity, do you know if there is a specific reason this isn't possible? (has it been left out of the language deliberately?)
– Mansfield
May 31 '12 at 12:55
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