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Is unsigned integer subtraction defined behavior?
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Thank you! I now see the interpretation I was missing. I think they could have chosen a clearer wording though.
– user14554
Aug 28 '11 at 14:25
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Gem::LoadError for mysql2 gem, but it's already in Gemfile
...e with a specific mysql version like below
gem 'mysql2', '~> 0.3.18'
Now stop the server and run bundle
bundle install
Now restart your server. It should work.
rails s
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Margin while printing html page
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This works now in Chrome 18 and IE9 (didn't test earlier versions). Still not working in Firefox 12, but you could do a server-side detection and add a body class <body class="firefox"> so in your css you can do body.firefox {mar...
Why is nginx responding to any domain name?
...nginx up and running with a Ruby/Sinatra app and all is well. However, I'm now trying to have a second application running from the same server and I noticed something weird. First, here's my nginx.conf:
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Pandas: drop a level from a multi-level column index?
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As of Pandas 0.24.0, we can now use DataFrame.droplevel():
cols = pd.MultiIndex.from_tuples([("a", "b"), ("a", "c")])
df = pd.DataFrame([[1,2], [3,4]], columns=cols)
df.droplevel(0, axis=1)
# b c
#0 1 2
#1 3 4
This is very useful if you wan...
LogCat message: The Google Play services resources were not found. Check your project configuration
... This post dates back to 2014, I am getting this error right now, is this post relevant?
– Talha
Jun 9 '17 at 9:47
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Android - how do I investigate an ANR?
... further GUI events in the application, and thus throws up an ANR dialog.
Now, in the trace you posted, the main thread seems to be doing fine, there is no problem. It is idling in the MessageQueue, waiting for another message to come in. In your case the ANR was likely a longer operation, rather t...
Push commits to another branch
...dn't be attempted by the faint of heart unless you're absolutely sure you know what you're doing with respect to any remote repositories and other people who have forks/clones of the same project.
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MVC Razor view nested foreach's model
...his view TModel
will always be of the type ViewModels.MyViewModels.Theme.
Now, the next argument is a bit tricky. So lets look at an invocation
@Html.TextBoxFor(model=>model.SomeProperty);
It looks like we have a little lambda, And if one were to guess the signature, one might think that the ...
How and why do I set up a C# build machine? [closed]
...re, so I have to justify the expense to the powers that be. So I want to know:
9 Answers
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