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How can I use Async with ForEach?

...ext db = new DataLayer.DataContext()) { var tasks = db.Groups.ToList().Select(i => GetAdminsFromGroupAsync(i.Gid)); var results = await Task.WhenAll(tasks); } The benefits of this approach over giving an async delegate to ForEach are: Error handling is more proper. Exceptions from asy...
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jQuery UI accordion that keeps multiple sections open?

...o8rx3q/1 I also added some CSS to stop an opened accordion section looking selected when it's expanded – Matthew Lock Sep 2 '14 at 0:07  |  sh...
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Delete newline in Vim

... You can also select all the lines you want to join using V (Visual Line Mode) then press J or gJ – Sbu Jan 24 '17 at 6:13 ...
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How to disable typing special characters when pressing option key in Mac OS X? [closed]

...work on MacOSX 10.7+ with IntelliJ Idea, Php/WebStorm, NetBeans, Eclipse. Select "Set blank for option key" radio in the form, submit the form, and download a patched keyboard layout with "option" key feature disabled. I'm sharing the working file for standard US English keyboard layout: MacOS &l...
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jquery change class name

... process. Let's assume that your "External DOM Object" is an input, like a select: Let's start with this HTML: <body> <div> <select id="test"> <option>Bob</option> <option>Sam</option> <option>Sue</option> <opti...
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Setting the filter to an OpenFileDialog to allow the typical image formats?

... Complete solution in C# is here: private void btnSelectImage_Click(object sender, RoutedEventArgs e) { // Configure open file dialog box Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog(); dlg.Filter = ""; ImageCodecInfo[] codecs = I...
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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]

...LL ) Following query will give me all columns and rows from both tables SELECT * FROM table1, table2 Following query will give me columns from first table with table alias called 'table2' SELECT * FROM table1 table2 If you mistakenly forget comma in comma-separated join, second table...
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What is the reason for a red exclamation mark next to my project in Eclipse?

...rors can be seen in the Problems view, and if you open the view menu and select Group By > Java Problem Type, they all show up in the Build Path category: share | improve this answer ...
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How To Get IPython Notebook To Run Python 3?

...led "root". In order to launch application using another environment, just select the desired environment from the list, to make it active. share | improve this answer | foll...
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How do I preserve line breaks when using jsoup to convert html to plain text?

...yPrint(false));//makes html() preserve linebreaks and spacing document.select("br").append("\\n"); document.select("p").prepend("\\n\\n"); String s = document.html().replaceAll("\\\\n", "\n"); return Jsoup.clean(s, "", Whitelist.none(), new Document.OutputSettings().prettyPrint(false...