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What are copy elision and return value optimization?
...y 1 is from the return to a temp, and copy 2 from temp to obj; 2nd is when one of the above is optimezed, probably the reutnr copy is elided; the thris both are elided
– victor
Nov 7 '14 at 16:06
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Confused about Service vs Factory
...Angular services are application singletons. This means that there is only one instance of a given service per injector.
Basically the difference between the service and factory is as follows:
app.service('myService', function() {
// service is just a constructor function
// that will be ca...
Tuples( or arrays ) as Dictionary keys in C#
...a Dictionary lookup table in C#. I need to resolve a 3-tuple of values to one string. I tried using arrays as keys, but that did not work, and I don't know what else to do. At this point I am considering making a Dictionary of Dictionaries of Dictionaries, but that would probably not be very pret...
Maven2: Best practice for Enterprise Project (EAR file)
...ct and your WAR project.
So you actually have three maven projects here. One EJB. One WAR. One EAR that pulls the two parts together and creates the ear.
Deployment descriptors can be generated by maven, or placed inside the resources directory in the EAR project structure.
The maven-ear-plugin...
Ways to synchronize interface and implementation comments in C# [closed]
...ags are perfectly acceptable, and indeed Microsoft chose to copy this (and one or two other tags) from NDoc when they created Sandcastle.
/// <inheritdoc/>
/// <remarks>
/// You can still specify all the normal XML tags here, and they will
/// overwrite inherited ones accordingly.
/// &...
HTML encoding issues - “” character showing up instead of “ ”
...which is always a highly dodgy business.
Well anyway, for now you can add one of the following to your document's <head> and see if that makes it look right in the browser:
for HTML4: <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
for HTML5: <meta charset="utf...
Erlang's 99.9999999% (nine nines) reliability
...read that right, 99.9999999%). Let’s put this in context: 5 nines is reckoned to be good (5.2 minutes of downtime/year). 7 nines almost unachievable ... but we did 9.
Why is this? No shared state, plus a sophisticated error recovery model.
If you dig a bit deeper, in the PhD thesis written by Joe...
Cosmic Rays: what is the probability they will affect a program?
...dies by IBM in the 1990s suggest that computers typically experience about one cosmic-ray-induced error per 256 megabytes of RAM per month.[15]
This means a probability of 3.7 × 10-9 per byte per month, or 1.4 × 10-15 per byte per second. If your program runs for 1 minute and occupies 20 MB of R...
Python: changing value in a tuple
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One use case is if you are storing a large number of small sequences where the values rarely change but on few occasions they might want to. For a small but non-zero length sequence, the memory consumption of tuple (60-bytes ...
How to run a Runnable thread in Android at defined intervals?
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Alex, i have one small doubt.Now the thread is running perfectly and displaying the text continously, if i want to stop this means what i have to do?Please help me.
– Rajapandian
Dec 17 '09 at 14:19
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