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Why I can't change directories using “cd”?
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Functions are more flexible than aliases, so that's where you'd look next when aliases aren't enough.
– ephemient
Nov 1 '08 at 4:40
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How to get file creation & modification date/times in Python?
... spent a few hours researching in the process), and I'm sure it's at least more correct than the answers that were here previously, but this is a really hard topic and I'd appreciate any corrections, clarifications, or other input that people can offer. In particular, I'd like to construct a way of ...
What does -1 mean in numpy reshape?
...ed answer and this answer are both helpful, whereas the accepted answer is more simple, I prefer the simpler answer
– cloudscomputes
Aug 23 '18 at 2:34
2
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Scala: What is a TypeTag and how do I use it?
...peTags#WeakTypeTag
ClassTag substitutes ClassManifest whereas TypeTag is more or less the replacement for Manifest.
The former allows to fully work with generic arrays:
scala> import scala.reflect._
import scala.reflect._
scala> def createArr[A](seq: A*) = Array[A](seq: _*)
<console&gt...
How do you stop tracking a remote branch in Git?
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@GabrielStaples I agree. For more on remote tracking: stackoverflow.com/a/44081446/6309, stackoverflow.com/a/38202006/6309 and stackoverflow.com/a/28341622/6309
– VonC
Sep 6 at 9:24
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AngularJS: Service vs provider vs factory
...actory function can ask for other dependencies.
But what if you want to be more OO and have a class called Greeter?
function Greeter(a) {
this.greet = function() {
return 'Hello ' + a;
}
}
Then to instantiate you would have to write
provide.factory('greeter', function(a) {
return new Gree...
How to export data as CSV format from SQL Server using sqlcmd?
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This answer is now outdated. PowerShell scripts are more flexible and can be run in SQL Server as a Job Agent.
– Clinton Ward
May 24 '16 at 2:45
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How can I trigger a JavaScript event click
... element.click(). Most major browsers support this.
To repeat the click more than once: Add an ID to the element to uniquely select it:
<a href="#" target="_blank" id="my-link" onclick="javascript:Test('Test');">Google Chrome</a>
and call the .click() method in your JavaScript code...
Rails: create on has_one association
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A more concise way to do this is with:
@user.create_shop(params[:shop])
See methods added by has_one in the Ruby on Rails guides.
share
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Validate uniqueness of multiple columns
... can pass multiple scope params in case you need to validate uniqueness on more than 2 fields. I.e. :scope => [:friend_id, :group_id]
– Dave Rapin
May 2 '11 at 16:36
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