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what is the difference between a portlet and a servlet?
...ser has lots of parts, think tiles, each coming from a different portlet.
Now, you can get that "tiled" effect from normal servets (See Struts + Tiles for an example of how) the extra bit from the portlets is that the portlets are in a richer environment provided by the Portal, extra APIs are provi...
What is Persistence Context?
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hmmm, it makes sense now. Do you have a similar "Simple" definition which tells the difference between container-managed & application-managed Entity Managers?
– Amrit
Nov 12 '13 at 13:35
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Java 8 Iterable.forEach() vs foreach loop
...'t optimize forEach()+lambda to the same extent as plain loops, especially now that lambdas are new. By "optimization" I do not mean the overhead of calling lambdas (which is small), but to the sophisticated analysis and transformation that the modern JIT compiler performs on running code.
If you d...
Peak signal detection in realtime timeseries data
...nce parameter for the mean and std (as done in this Swift translation)
(Known) academic citations to this StackOverflow answer:
Yin, C. (2020). Dinucleotide repeats in coronavirus SARS-CoV-2 genome: evolutionary implications. ArXiv e-print, accessible from: https://arxiv.org/pdf/2006.00280.pdf
E...
lenses, fclabels, data-accessor - which library for structure access and mutation is better
...ar libraries for accessing and manipulating fields of records. The ones I know of are: data-accessor, fclabels and lenses.
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How do I add 1 day to an NSDate?
...= [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
// now build a NSDate object for the next day
NSDateComponents *offsetComponents = [[NSDateComponents alloc] init];
[offsetComponents setDay:1];
NSDate *nextDate = [gregorian dateByAddingComponents:offsetComponents toDate: [N...
Add legend to ggplot2 line plot
...; you are creating a mapping to this "variable".
scale_colour_manual can now map these strings to the appropriate colors. The result is
In some cases, the mapping between the levels and colors needs to be made explicit by naming the values in the manual scale (thanks to @DaveRGP for pointing thi...
What are some (concrete) use-cases for metaclasses?
...Having said that, Python 3.6 introduced the much simpler init_subclass, so now you can manipulate subclasses in a baseclass, and no longer need a metaclass for that purpose.
– Dan Gittik
Jun 10 '18 at 20:38
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Encrypting & Decrypting a String in C# [duplicate]
...ed encryption. Encryption alone provides only privacy (i.e. message is unknown to 3rd parties), whilst authenticated encryption aims to provide both privacy and authenticity (i.e. recipient knows message was sent by the sender).
Without knowing your exact requirements, it's difficult to say whet...
What's the difference between “groups” and “captures” in .NET regular expressions?
... are only very rarely more efficient than greedy quantifiers, and require knowledge of the input set and careful perf testing.
– Abel
Feb 28 '17 at 1:01
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