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Private and protected constructor in Scala
I've been curious about the impact of not having an explicit primary constructor in Scala, just the contents of the class body.
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How to get the anchor from the URL using jQuery?
I have a URL that is like:
6 Answers
6
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Performance - Date.now() vs Date.getTime()
...var t1 = Date.now();
var t2 = new Date().getTime();
However, the time value from any already-created Date instance is frozen at the time of its construction (or at whatever time/date it's been set to). That is, if you do this:
var now = new Date();
and then wait a while, a subsequent call to no...
ASP.NET Temporary files cleanup
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Yes, it's safe to delete these, although it may force a dynamic recompilation of any .NET applications you run on the server.
For background, see the Understanding ASP.NET dynamic compilation article on MSDN.
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JavaScript: how to change form action attribute value based on selection?
I'm trying to change the form action based on the selected value from a dropdown menu.
5 Answers
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Delete sql rows where IDs do not have a match from another table
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Using LEFT JOIN/IS NULL:
DELETE b FROM BLOB b
LEFT JOIN FILES f ON f.id = b.fileid
WHERE f.id IS NULL
Using NOT EXISTS:
DELETE FROM BLOB
WHERE NOT EXISTS(SELECT NULL
FROM FILES f
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Open a file with Notepad in C#
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You need System.Diagnostics.Process.Start().
The simplest example:
Process.Start("notepad.exe", fileName);
More Generic Approach:
Process.Start(fileName);
The second approach is probably a better practice as this will ca...
Active Record - Find records which were created_at before today
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Using ActiveRecord the standard way:
MyModel.where("created_at < ?", 2.days.ago)
Using the underlying Arel interface:
MyModel.where(MyModel.arel_table[:created_at].lt(2.days.ago))
Using a thin layer over Arel:
MyMod...
How to encode URL parameters?
I am trying to pass parameters to a URL which looks like this:
4 Answers
4
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Can anybody find the TFS “Unshelve” option in Visual Studio 2012?
I can find the shelve button okay, and had shelved changes earlier today, but now I can't seem to find a way to unshelve them! This has left me in quite a predicament!
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