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JPQL IN clause: Java-Arrays (or Lists, Sets…)?
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I'm not sure for JPA 1.0 but you can pass a Collection in JPA 2.0:
String qlString = "select item from Item item where item.name IN :names";
Query q = em.createQuery(qlString, Item.class);
List<String> names = Arrays.asList("foo", "bar");
q.setParameter("names", names);
List<Item...
Maximum length of HTTP GET request
...on a GET request.
I am able to send ~4000 characters as part of the query string using both the Chrome browser and curl command.
I am using Tomcat 8.x server which has returned the expected 200 OK response.
Here is the screenshot of a Google Chrome HTTP request (hiding the endpoint I tried due to...
How do I get a distinct, ordered list of names from a DataTable using LINQ?
... this
var names = (from DataRow dr in dataTable.Rows
select (string)dr["Name"]).Distinct().OrderBy( name => name );
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Does MySQL ignore null values on unique constraints?
...ou can have one UNIQUE empty value by inserting with the value of an empty string.
Warning: Numeric and types other than string may default to 0 or another default value.
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Camera orientation issue in Android
...nterface exif = new ExifInterface(SourceFileName); //Since API Level 5
String exifOrientation = exif.getAttribute(ExifInterface.TAG_ORIENTATION);
Since the photo is displaying correctly in your app, i'm not sure where the problem is, but this should definitely set you on the right path!
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PowerShell: Store Entire Text File Contents in Variable
...st.txt") appears to do the same thing as $content = (gc ".\test.txt" | out-string). Since the second of the two is shorter, that's what I prefer. Unfortunately, neither of the methods you provided for calculating the total number of lines takes trailing blank lines into consideration. Any other ide...
How to search a specific value in all tables (PostgreSQL)?
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can you explain in detail .. ? How to search string 'ABC' into all tables ?
– Mr. Bhosale
Jan 28 '17 at 6:47
1
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Format numbers in django templates
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The string format (the python) way because you cannot use this directly in templates - you would have to put this in a template tag (which is a fine answer), but just throwing this out is of little use as a complete answer.
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What is & used for
...er (e.g. &trade;) then it (™) would appear in the URL instead of the string you wanted.
(Note that depending on the version of HTML you use, you may have to end a character reference with a ;, which is why &trade= will be treated as ™. HTML 4 allows it to be ommited if the next characte...
What's the difference between VARCHAR and CHAR?
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CHAR
Used to store character string value of fixed length.
The maximum no. of characters the data type can hold is 255 characters.
It's 50% faster than VARCHAR.
Uses static memory allocation.
VARCHAR
Used to store variable length alphanumeric data.
T...