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What to use as an initial version? [closed]
...rsion numbering
system, where updates have been
indicated by adding an extra digit at
the end of the decimal, so that the
version number asymptotically
approaches π. This is a reflection of
the fact that TeX is now very stable,
and only minor updates are
anticipated. The current ver...
Visibility of global variables in imported modules
...l = None
if 'MYVAL' in os.environ:
myval = os.environ['MYVAL']
As an extra precaution, handle the case when MYVAL is not defined inside the module.
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Save Javascript objects in sessionStorage
...orage allows to save key/value pairs in a web browser. The value must be a string, and save js objects is not trivial.
9 An...
How to read values from properties file?
...ans:
@Component
class MyClass {
@Value("${my.property.name}")
private String[] myValues;
}
EDIT: updated the code to parse property with mutliple comma-separated values:
my.property.name=aaa,bbb,ccc
If that doesnt work, you can define a bean with properties, inject and process it manually:...
Go > operators
...ther languages, but because Go is a safer language than C/C++ it does some extra work when the shift count is a number.
Shift instructions in x86 CPUs consider only 5 bits (6 bits on 64-bit x86 CPUs) of the shift count. In languages like C/C++, the shift operator translates into a single CPU instru...
Why use String.Format? [duplicate]
Why would anyone use String.Format in C# and VB .NET as opposed to the concatenation operators ( & in VB, and + in C#)?
...
What is the correct way to restore a deleted file from SVN?
...her changes once the merge is done before you commit. If you don't, those extra changes will also be reversed.
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When should one use HTML entities?
...ing using utf-8 text, there are a few thing to watch for.
XML needs some extra lines to validate when using entities.
Some libraries do not play along nice with utf-8. For instance, PHP in some Linux distributions dropped full support for utf-8 in their regular expression libraries.
It is harder t...
How to add custom method to Spring Data JPA
...ic class MyEntity {
@Id
private Long id;
@Column
private String comment;
}
Repository interface:
package myapp.domain.myentity;
@Repository
public interface MyEntityRepository extends JpaRepository<MyEntity, Long> {
// EXAMPLE SPRING DATA METHOD
List<MyEntity...
PHP PDO returning single row
...t; fetch();
example (ty northkildonan):
$dbh = new PDO(" --- connection string --- ");
$stmt = $dbh->prepare("SELECT name FROM mytable WHERE id=4 LIMIT 1");
$stmt->execute();
$row = $stmt->fetch();
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