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Escaping keyword-like column names in Postgres
... named "select", whereas an unquoted select would be
taken as a key word and would therefore provoke a parse error when
used where a table or column name is expected.
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“Too many values to unpack” Exception
I'm working on a project in Django and I've just started trying to extend the User model in order to make user profiles.
5...
Gradle, “sourceCompatibility” vs “targetCompatibility”?
What is the relationship/difference between sourceCompatibility and targetCompatibility ? What happens when they are set to different values?
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Add a dependency in Maven
How do I take a jar file that I have and add it to the dependency system in maven 2? I will be the maintainer of this dependency and my code needs this jar in the class path so that it will compile.
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What is a Lambda?
...ne provide a good description of what a Lambda is? We have a tag for them and they're on the secrets of C# question, but I have yet to find a good definition and explanation of what they are in the first place.
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Convert timedelta to total seconds
... answered Apr 2 '11 at 8:20
Andreas JungAndreas Jung
1
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When correctly use Task.Run and when just async-await
...ait Task.Run(() => DoWork());
Methods that are a mixture of CPU-bound and I/O-bound should have an Async signature with documentation pointing out their CPU-bound nature:
// Documentation: This method is CPU-bound.
Task DoWorkAsync();
Which you would also call using Task.Run (since it is par...
Is it possible to delete an object's property in PHP?
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unset($a->new_property);
This works for array elements, variables, and object attributes.
Example:
$a = new stdClass();
$a->new_property = 'foo';
var_export($a); // -> stdClass::__set_state(array('new_property' => 'foo'))
unset($a->new_property);
var_export($a); // -> st...
ASP.NET web.config: configSource vs. file attributes
...file in an ASP.NET-application some sections of config, like appSettings and connectionStrings , supports the attributes file and configSource .
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How to run script as another user without password?
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Call visudo and add this:
user1 ALL=(user2) NOPASSWD: /home/user2/bin/test.sh
The command paths must be absolute! Then call sudo -u user2 /home/user2/bin/test.sh from a user1 shell. Done.
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