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Finding duplicate values in MySQL
I have a table with a varchar column, and I would like to find all the records that have duplicate values in this column. What is the best query I can use to find the duplicates?
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Pull all commits from a branch, push specified commits to another
...nd.
The problem with this commit is that git considers commits to include all history before them - thus, if you have three commits like so:
A-----B-----C
And try to get rid of B, you have to create an entirely new commit like so:
A-----------C'
Where C' has a different SHA-1 ID. Likewise, ch...
HTML 5 Favicon - Support?
.../to/favicon.png">
This icon should be 196x196 pixels in size to cover all devices that may use this icon.
To cover touch icons on mobile devices we are going to use Apple's proprietary way to cite a touch icon:
<link rel="apple-touch-icon-precomposed" href="apple-touch-icon-precomposed.pn...
git cherry-pick says “…38c74d is a merge but no -m option was given”
...rticular situation, but using git merge instead of git cherry-pick is generally advisable. When you cherry-pick a merge commit, it collapses all the changes made in the parent you didn't specify to -m into that one commit. You lose all their history, and glom together all their diffs. Your call.
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Rails ActiveRecord date between
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I would personally created a scope to make it more readable and re-usable:
In you Comment.rb, you can define a scope:
scope :created_between, lambda {|start_date, end_date| where("created_at >= ? AND created_at <= ?", start_date, e...
mysql - how many columns is too many?
...eral rule, your table structure should reflect your domain model; if you really do have 70 (100, what have you) attributes that belong to the same entity there's no reason to separate them into multiple tables.
share
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Where can I locate themes for VS2012
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New Theme editor Specifically for 2012:
http://visualstudiogallery.msdn.microsoft.com/366ad100-0003-4c9a-81a8-337d4e7ace05
Comes w/ VS 2010 style blue and a few others...
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View list of all JavaScript variables in Google Chrome Console
In Firebug, the DOM tab shows a list of all your public variables and objects. In Chrome's console you have to type the name of the public variable or object you want to explore.
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How can I switch my signed in user in Visual Studio 2013?
...ign in with a Microsoft Account and have your settings be persisted across all of your instances of Visual Studio, amongst other things.
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What is lazy loading in Hibernate?
...bernate now can "lazy-load" the children, which means that it does not actually load all the children when loading the parent. Instead, it loads them when requested to do so. You can either request this explicitly or, and this is far more common, hibernate will load them automatically when you try t...