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How to make an unaware datetime timezone aware in python
...ize(unaware)
assert aware == now_aware
For the UTC timezone, it is not really necessary to use localize since there is no daylight savings time calculation to handle:
now_aware = unaware.replace(tzinfo=pytz.UTC)
works. (.replace returns a new datetime; it does not modify unaware.)
...
Seeking useful Eclipse Java code templates [closed]
...error(e) ;
}
catch (IOException e) {
logger.error(e) ;
} finally {
if(in != null) in.close();
}
${cursor}
UPDATE: The Java 7 version of this template is:
${:import(java.nio.file.Files,
java.nio.file.Paths,
java.nio.charset.Charset,
java.io...
How to add 'ON DELETE CASCADE' in ALTER TABLE statement
...age and navigate to the table that has the foreign key you want to update, all you have to do is click the Relational view located in the Structure tab and change the On delete select menu option to Cascade.
Image shown below:
...
Difference between local and global indexes in DynamoDB
...ndary index is
considered "global" because queries on the index can span all of the
data in a table, across all partitions.
Local secondary index — an index that has the same hash key as the
table, but a different range key. A local secondary index is "local"
in the sense that every p...
What is the use of making constructor private in a class?
...ared public, others private. For reducing code size, public constructors 'call' private constructors which in turn do all the work. Your public constructors are thus called delegating constructors:
class MyClass
{
public:
MyClass() : MyClass(2010, 1, 1) { }
private:
MyClass(int theYear, int th...
git remove merge commit from history
...
Do git rebase -i <sha before the branches diverged> this will allow you to remove the merge commit and the log will be one single line as you wanted. You can also delete any commits that you do not want any more. The reason that your rebase wasn't working was that you weren't going ba...
What is the difference between “pom” type dependency with scope “import” and without “import”?
...ndencies>
</dependencyManagement>
...
What then happens is that all the dependencies defined in the dependencyManagement section of the other-pom-artifact-id are included in your POM's dependencyManagement section. You can then reference these dependencies in the dependency section of you...
Difference between this and self in self-type annotations?
...
All three forms are valid, and have the effect that B is assumed as the type of this in class A.
The first two variants
trait A { self: B => ... }
trait A { foo: B => ... }
introduce self (respectively, foo) as an ...
What is the difference between currying and partial application?
...ints that other peoples examples of currying are not currying, but are actually just partial application.
14 Answers
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Differences between utf8 and latin1
... at least 5.5 or go for another RDBMS like PostgreSQL. In MySQL 5.5+ it's called utf8mb4.
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