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JPA getSingleResult() or null
...the query did not match any row or whether the query matched a row but the selected column contains null as its value. from: stackoverflow.com/a/12155901/1242321
– user1242321
Mar 16 '16 at 1:36
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Customize UITableView header section
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The selected answer using tableView :viewForHeaderInSection: is correct.
Just to share a tip here.
If you are using storyboard/xib, then you could create another prototype cell and use it for your "section cell". The code to c...
Cannot delete directory with Directory.Delete(path, true)
...e(path, true) while path or one of the folders/files under path is open or selected in Windows Explorer will throw an IOException. Closing Windows Explorer and rerunning my existing code w/o the try/catch suggested above worked fine.
– David Alpert
Feb 24 '10 ...
python design patterns [closed]
...
You may also wish to read this article (select the .pdf file), which discusses Design Patterns in dynamic object oriented languages (i.e. Python). To quote the page:
This paper explores how the patterns from the "Gang of Four", or "GOF" book, as it is often cal...
Android: alternate layout xml for landscape mode
...clicking on the button in the visual editor shown in the screenshot below. Select "Create Landscape Variation"
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How to send JSON instead of a query string with $.ajax?
...USER : localProfile,
INSTANCE : "HTHACKNEY",
PAGE : $('select[name="PAGE"]').val(),
TITLE : $("input[name='TITLE']").val(),
HTML : html,
STARTDATE : $("input[name='STARTDATE']").val(),
ENDDATE : $("input[name='ENDDATE']").val(),
ARCHIVE ...
iOS UIImagePickerController result image orientation after upload
I am testing my iPhone application on an iOS 3.1.3 iPhone. I am selecting/capturing an image using a UIImagePickerController :
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Background color of text in SVG
...or to SVG elements. You can do it programmatically with d3.
var text = d3.select("text");
var bbox = text.node().getBBox();
var padding = 2;
var rect = self.svg.insert("rect", "text")
.attr("x", bbox.x - padding)
.attr("y", bbox.y - padding)
.attr("width", bbox.width + (padding*2))
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How can I get a channel ID from YouTube?
...outube version is obtained very easily if you login to YouYube website and select 'My channel'
Your channel ID will be displayed on the address bar of your browser
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Is it safe to use Project Lombok? [closed]
...ield name) and finally, use the Breakpoints view to right-click the BP and select Breakpoint Properties... to add a condition. Nice.
UPDATE 4 (Aug 16 '13)
Netbeans doesn't like it when you update your Lombok dependencies in your Maven pom. The project still compiles, but files get flagged for hav...