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How do I style a dropdown with only CSS?
...s very good browser support (caniuse) - except for Internet Explorer 11 (and later) and Firefox 34 (and later).
We can improve this technique and add support for Internet Explorer 10 and Internet Explorer 11 by adding
select::-ms-expand {
display: none; /* Hide the default arrow in Interne...
Why use double indirection? or Why use pointers to pointers?
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Yes, and if you ever lose track of one of your pointers, here's a pointer: pointerpointer.com
– Andrew Cheong
Aug 21 at 0:50
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Passing a method as a parameter in Ruby
...ult argument in a block declaration like that. So you need to use a splat and setup the default in the proc code itself.
Or, depending on your scope of all this, it may be easier to pass in a method name instead.
def weightedknn(data, vec1, k = 5, weightf = :gaussian)
...
weight = self.send...
.NET Configuration (app.config/web.config/settings.settings)
... have a .NET application which has different configuration files for Debug and Release builds. E.g. the debug app.config file points to a development SQL Server which has debugging enabled and the release target points to the live SQL Server. There are also other settings, some of which are differ...
Pandas convert dataframe to array of tuples
I have manipulated some data using pandas and now I want to carry out a batch save back to the database. This requires me to convert the dataframe into an array of tuples, with each tuple corresponding to a "row" of the dataframe.
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Can we make unsigned byte in Java
...igned byte in unsigned. The problem is the data I am receiving is unsigned and Java does not support unsigned byte, so when it reads the data it treats it as signed.
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Bordered UITextView
... I didn't think it really needed much explaining, view is the UITextView, and the code goes wherever you'd set up the view (awakeFromNib or viewDidLoad are two possible places). Since there was no code given there's no way to give good context in response.
– Kendall Helmstett...
Trimming a huge (3.5 GB) csv file to read into R
So I've got a data file (semicolon separated) that has a lot of detail and incomplete rows (leading Access and SQL to choke). It's county level data set broken into segments, sub-segments, and sub-sub-segments (for a total of ~200 factors) for 40 years. In short, it's huge, and it's not going to fit...
what's data-reactid attribute in html?
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There's no way to share the actual object references between the server and the client and sending a serialized version of the entire component tree is potentially expensive. When the application is rendered at the server and React is loaded at the client, the only data it has are the data-reacti...
Comparing mongoose _id and strings
I have a node.js application that pulls some data and sticks it into an object, like this:
7 Answers
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