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Check whether a variable is a string in Ruby
... approach will work not only with String, but also with Integer and Float. Does it also work for Decimal? (the sublime text interpreter highlights the syntax differently for Decimal which makes me suspicious)
– stevec
Jan 27 '19 at 16:18
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Can CSS detect the number of children an element has?
...nt in a set while also being the 3rd element from the end of the set. This does two things: guarantees that the set only has three elements and that we have the first of the three. To specify the second element of the three element set, we'd use :nth-child(2):nth-last-child(2).
Example 1 - Selec...
difference between collection route and member route in ruby on rails?
... route will require an ID, because it acts on a member. A collection route doesn't because it acts on a collection of objects. Preview is an example of a member route, because it acts on (and displays) a single object. Search is an example of a collection route, because it acts on (and displays) a c...
How do I get the YouTube video ID from a URL?
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does not handle embedded URLs
– Serge
Mar 18 '16 at 13:14
19
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What is the { get; set; } syntax in C#?
... this private variable within the class, it will fail. I'm not sure how C# does it, but it behaves as if there is a private variable with no name, which you cannot access in your code.
– Denziloe
Feb 9 '19 at 18:51
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How do I enable EF migrations for multiple contexts to separate databases?
...automatically rename the constructor if using Visual Studio. Make sure it does.
Edit ConfigurationA.cs: Change the namespace to NamespaceOfContext.Migrations.MigrationsA
Enable-Migrations -EnableAutomaticMigrations -ContextTypeName
NamespaceOfContext.ContextB -ProjectName ProjectContextIsInIfNotMai...
Running SSH Agent when starting Git Bash on Windows
...order for said session to launch automatically the ssh-agent. If the file doesn't exist, just create it.
This is what GitHub describes in "Working with SSH key passphrases".
The "Auto-launching ssh-agent on Git for Windows" section of that article has a robust script that checks if the agent is r...
How do I Convert DateTime.now to UTC in Ruby?
...by (and of course that is what the question is asking)
d = Time.now.utc
Does work however.
Is there any reason you need to use DateTime and not Time? Time should include everything you need:
irb(main):016:0> Time.now
=> Thu Apr 16 12:40:44 +0100 2009
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Nullable ToString()
... suspect it is because for nullable types like int? the .ToString() method does not allow you to use format strings. See How can I format a nullable DateTime with ToString()? . Perhaps in the original code, there was a format string in .ToString(), or perhaps the coder forgot that .ToString() withou...
Use git “log” command in another folder
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@thinsoldier man git does on my system (2.3.5). But @VonC answer works much better.
– Calimo
Apr 17 '15 at 12:25
add a co...