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How to get record created today by rails activerecord?
...ws.
Typically, if you perform lookups based on created_at column, add an index on the table in your migration file.
add_index :posts, :created_at
Now, to lookup records created today:
Rails 3/4
Post.where("created_at >= ?", Time.zone.now.beginning_of_day)
To lookup posts created on a spe...
Disable file preview in VS2012
...by unckecking "Solution explorer" under Preview tab.
I find it using the "Quick launch" new feature. Simply type "preview", and a link to the setting will be suggested. Great new feature of VS
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git: Switch branch and ignore any changes without committing
...inor changes) or
checkout -f (When switching branches, proceed even if the index or the working tree differs from HEAD. This is used to throw away local changes. )
Or, more recently:
With Git 2.23 (August 2019) and the new command git switch:
git switch -f <branch-name>
(-f is short for --...
What does string::npos mean in this code?
... npos is of size_t, it means it can not be negative... real meaning is max_index, 18446744073709551615 for 64 bit size_t
– NoSenseEtAl
Sep 4 '14 at 12:33
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Type.GetType(“namespace.a.b.ClassName”) returns null
...s old - but other people may still be interested): use int index = typeName.IndexOf('`'); if (index > 0) { typeName = _typeName.Substring(0, index + 2); } Note that the T of the generic type is stripped off.
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Understanding the Gemfile.lock file
...dependencies sourced from a Rubygems server. That may be the main Rubygems index, at Rubygems.org, or it may be a custom index, such as those available from Gemfury and others. Within this section you'll see:
remote: one or more lines specifying the location of the Rubygems index(es)
specs: a list...
GitHub - List commits by author
... ?author=<emailaddress> to the URL. For example, https://github.com/jquery/jquery/commits/master?author=dmethvin or https://github.com/jquery/jquery/commits/master?author=dave.methvin@gmail.com both give me:
For authors without a GitHub account, only filtering by email address will work, an...
Can I use mstest.exe without installing Visual Studio?
... than that for download)
Visual Studio 2015 (128MB setup, 2GB disk space required)
Visual Studio 2012 (224MB)
Visual Studio 2013 (287MB)
Visual Studio 2010 (515MB)
This installs everything needed for running mstest.exe from the command line and is much lighter weight than visual studio. ~500mb do...
How to change options of with jQuery?
...e first, you can use the :gt selector, to get all the option elements with index greater than zero and remove them:
$('#selectId option:gt(0)').remove(); // remove all options, but not the first
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Create a Path from String in Java7
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@kuhaku: I think you should ask a new question with details of what you're trying to do and what you've tried.
– Jon Skeet
Aug 15 '16 at 4:00
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