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When to use EntityManager.find() vs EntityManager.getReference() with JPA
... EntityManager.find() method?
EntityManager.getReference() is really an error prone method and there is really very few cases where a client code needs to use it.
Personally, I never needed to use it.
EntityManager.getReference() and EntityManager.find() : no difference in terms of overhead
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Using Chrome, how to find to which events are bound to an element
...ry well.
– StuartN
Nov 23 '15 at 18:05
@Javier > it is a great response. Does it work for a javascript (non jQuery)...
JavaScript equivalent to printf/String.Format
...ably look better, true. But my goal there is just to point out the syntax error trap.
– rescdsk
Dec 1 '12 at 21:28
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Manipulate a url string by adding GET parameters
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answered Apr 27 '11 at 20:05
andrewtweberandrewtweber
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This type of CollectionView does not support changes to its SourceCollection from a thread different
...nd(() => _matchObsCollection.Add(match), null); but it is giving syntax error. Look like Send method is expecting some callback method name. I have tried various options like delegate with parameter but it is not allowing to have my custom parameter. I am very new to this kind of syntax, so it ...
Converting Integer to String with comma for thousands
I want to convert an Integer 35634646 to have the thousand "," so it should be 35,634,646.
13 Answers
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Handling an empty UITableView. Print a friendly message
...ource
– onmyway133
Oct 20 '15 at 5:05
If you want to add buttons, you must do: tableView.backgroundView!.userInteract...
How do I read / convert an InputStream into a String in Java?
...est):
Benchmark Mode Cnt Score Error Units
8. ByteArrayOutputStream and read (JDK) avgt 10 1,343 ± 0,028 us/op
6. InputStreamReader and StringBuilder (JDK) avgt 10 6,980 ± 0,404 us/op
10. BufferedInputStream, ByteArrayOutputStream ...
Auto select file in Solution Explorer from its open tab
Normally, many files in Visual Studio 2010 are opened in many tabs, while massively working on a project. Many times, I find myself right-clicking on a tab title and searching for Show/Select/Scroll-to this file in Solution Explorer , and I can't find it.
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Circular gradient in android
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answered Jul 17 '17 at 4:05
SuragchSuragch
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