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What is the difference between Hibernate and Spring Data JPA
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There are 3 different things we are using here :
JPA : Java persistence api which provide specification for persisting, reading, managing data from your java object to relations in database.
Hibernate: There are various provider which implement jpa. Hibernate is one of them. So we have other prov...
How to handle WndProc messages in WPF?
...king with another WinForms app). The design ideology and the nature of the API is very different in WPF from WinForms, so I would suggest you just familiarise yourself with WPF more to see exactly why there is no equivalent of WndProc.
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Can I change the size of UIActivityIndicator?
...e size is fixed by the style. It's a standardized interface element so the API doesn't like to fiddle with it.
However, you probably could do a scaling transform on it. Not sure how that would affect it visually, however.
Just from a UI design perspective, its usually better to leave these commo...
How to test if a double is an integer
...hen the result is the same as the argument." docs.oracle.com/javase/6/docs/api/java/lang/…
– Tim Schmelter
Mar 27 '12 at 22:27
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Full examples of using pySerial package [closed]
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I have not used pyserial but based on the API documentation at https://pyserial.readthedocs.io/en/latest/shortintro.html it seems like a very nice interface. It might be worth double-checking the specification for AT commands of the device/radio/whatever you are dea...
Missing styles. Is the correct theme chosen for this layout?
...he manifest file. I even created style is styles.xml, I have chosen Google Apis build target as well.
21 Answers
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Rounding a double to turn it into an int (java)
...use a String in the constructor
// http://java.sun.com/j2se/1.5.0/docs/api/java/math/BigDecimal.html#BigDecimal(double)
BigDecimal bd = new BigDecimal(Double.toString(d));
bd = bd.setScale(decimalPlace,BigDecimal.ROUND_HALF_UP);
return bd.doubleValue();
}
}
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Using JQuery to check if no radio button in a group has been checked
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Use .length refer to http://api.jquery.com/checked-selector/
if ($('input[name="html_elements"]:checked').length === 0) alert("Not checked");
else alert("Checked");
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Django rest framework, use different serializers in the same ModelViewSet
...w has no attribute "action". It looks like ProductIndex(generics.ListCreateAPIView). Does it mean that you absolutely need to pass viewsets as argument or is there a way to do it using the generics API views?
– Seb
Mar 17 at 11:46
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Java 8 NullPointerException in Collectors.toMap
...ever thought that null values in map would make such an impact on standard API, I'd rather consider it as a flaw.
– Askar Kalykov
Apr 15 '15 at 10:44
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