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Good or bad practice? Initializing objects in getter
...on of this issue is unnecessary as we will see shortly.
In general:
It's now time to look at lazy initialization in general:
Lazy initialization is usually used to delay the construction of objects that take a long time to be constructed or that take a lot of memory once fully constructed.
That is...
Simple Pivot Table to Count Unique Values
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=IF(SUMPRODUCT(($A$2:$A2=A2)*($B$2:$B2=B2))>1,0,1)
and copy it down. Now create your pivot based on 1st and 3rd column. See snapshot
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How to get TimeZone from android mobile?
...for getting currect time zone :
TimeZone tz = TimeZone.getDefault();
Date now = new Date();
//Import part : x.0 for double number
double offsetFromUtc = tz.getOffset(now.getTime()) / 3600000.0;
String m2tTimeZoneIs = Double.parseDouble(offsetFromUtc);
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What is Activity.finish() method doing exactly?
...em does what it has to.
on the other hand, finish() just lets the system know that the programmer wants the current Activity to be finished. And hence, it calls up onDestroy() after that.
Something to note:
it isn't necessary that only a call to finish() triggers a call to onDestroy(). No. As we ...
How to fix org.hibernate.LazyInitializationException - could not initialize proxy - no Session
...of getCurrentSession() as one of the links you gave me suggested this, but now I'm affraid if it is wrong to do so
– Blerta Dhimitri
Feb 5 '14 at 11:39
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Can't update Macports (with Mac OS X Mavericks)
...s installed previously. Just launch XCODE and let it finish configuration. Now rerun port command and it should work properly.
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How can I return the current action in an ASP.NET MVC view?
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I know this pre-dates V2, but it's now ViewContext.Controller.ValueProvider.GetValue("action").RawValue + variations
– Chris S
Oct 24 '10 at 15:03
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How can I split a JavaScript string by white space or comma?
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+1 I know this is a little old but why use a blank space and not \s. I may have some line breaks in the blob and \s takes care of those too.
– iambriansreed
Sep 21 '12 at 17:46
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Can I multiply strings in Java to repeat sequences? [duplicate]
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I was looking for this since years and now I finally found it.
– Daniel S.
Apr 21 '15 at 21:00
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How to determine if a number is a prime with regex?
...ce again the returning of the negation of the match result.
Do you see it now? It's unbelievably tricky (and computationally expensive!) but it's also kind of simple at the same time, once you get it. :-)
I can elaborate if you have further questions, like on how regex parsing actually works. But ...