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Ruby on Rails: How do I add placeholder text to a f.text_field?
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With rails >= 3.0, you can simply use the placeholder option.
f.text_field :attr, placeholder: "placeholder text"
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What are the correct link options to use std::thread in GCC under linux?
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edited Oct 4 '17 at 23:54
Earth Engine
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Calculating a directory's size using Python?
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34 Answers
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initialize a vector to zeros C++/C++11
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You don't need to explicitly state the 0 do you? just vector(length) should work?
– Daniel Gratzer
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How can I manipulate the strip text of facet_grid plots?
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3 Answers
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How to get distinct values from an array of objects in JavaScript?
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135
If this were PHP I'd build an array with the keys and take array_keys at the end, but JS has no...
How do I check for a network connection?
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You can check for a network connection in .NET 2.0 using GetIsNetworkAvailable():
System.Net.Ne...
Reading file contents on the client-side in javascript in various browsers
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How do I show a Save As dialog in WPF?
...PF variant is quite a bit different and differing namespace.
Microsoft.Win32.SaveFileDialog dlg = new Microsoft.Win32.SaveFileDialog();
dlg.FileName = "Document"; // Default file name
dlg.DefaultExt = ".text"; // Default file extension
dlg.Filter = "Text documents (.txt)|*.txt"; // Filter files by ...
Render partial from different folder (not shared)
...view render a partial (user control) from a different folder?
With preview 3 I used to call RenderUserControl with the complete path, but whith upgrading to preview 5 this is not possible anymore.
Instead we got the RenderPartial method, but it's not offering me the functionality I'm looking for.
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