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Verifying signed git commits?
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verification and instead prints the formatted tag object.
This allows callers to cross-check the tagname from refs/tags with
the tagname from the tag object header upon GPG verification.
Git 2.16 (Q1 2018) will allow the commit signature verification to be even more automated, with the me...
Overload constructor for Scala's Case Classes?
...y like to also overload the apply method in the companion object, which is called when you omit new.
object Foo {
def apply(bar: Int) = new Foo(bar)
}
Foo(1, 2)
Foo(1)
In Scala 2.8, named and default parameters can often be used instead of overloading.
case class Baz(bar: Int, baz: Int = 0)
n...
AttributeError: 'datetime' module has no attribute 'strptime'
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Use the correct call: strptime is a classmethod of the datetime.datetime class, it's not a function in the datetime module.
self.date = datetime.datetime.strptime(self.d, "%Y-%m-%d")
As mentioned by Jon Clements in the comments, some pe...
What is SELF JOIN and when would you use it? [duplicate]
...e references data in itself.
E.g., an Employee table may have a SupervisorID column that points to the employee that is the boss of the current employee.
To query the data and get information for both people in one row, you could self join like this:
select e1.EmployeeID,
e1.FirstName,
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Map to String in Java
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@Adam, that's because you call toString() on the interface, where this method, of course, is not defined. Your IDE doesn't know about actual run-time implementation. You should not blame her.
– Victor Dombrovsky
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Where is the IIS Express configuration / metabase file found?
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The configuration file is called applicationhost.config.
It's stored here:
My Documents > IIS Express > config
usually, but not always, one of these paths will work
%userprofile%\documents\iisexpress\config\applicationhost.config
%userprofi...
Build Maven Project Without Running Unit Tests
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If you call your classes tests Maven seems to run them automatically, at least they did for me. Rename the classes and Maven will just go through to verification without running them.
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Restoring Nuget References?
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While the solution provided by @jmfenoll works, it updates to the latest packages. In my case, having installed beta2 (prerelease) it updated all of the libs to RC1 (which had a bug). Thus the above solution does only half of the job.
If you are i...
How to correctly use “section” tag in HTML5?
...r example, from my understanding, might look something like this:
<div id="content">
<article>
<h2>How to use the section tag</h2>
<section id="disclaimer">
<h3>Disclaimer</h3>
<p>Don't take my word for it...</p>
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MySQL Orderby a number, Nulls last
...to DESC:
SELECT * FROM tablename WHERE visible=1 ORDER BY -position DESC, id DESC
It is essentially the inverse of position DESC placing the NULL values last but otherwise the same as position ASC.
A good reference is here http://troels.arvin.dk/db/rdbms#select-order_by
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