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Where do I mark a lambda expression async?
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To mark a lambda async, simply prepend async before its argument list:
// Add a command to delete the current Group
contextMenu.Commands.Add(new UICommand("Delete this Group", async (contextMenuCmd) =>
{
SQLiteUtils slu = new SQLiteUtils();
await slu.DeleteGrou...
Rails Model find where not equal
How can I find records in my database on a not equal condition? I have this now, but is there a fancy rails-speak way of doing it?
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Template default arguments
...reate some unnecessary complications if Foo might be a template identifier or might be an explicit instantiation depending on whether there's a default argument. Better keep the explicit instantiation syntax. Think of it like a function foo with a single default parameter. You can't call it like foo...
The remote end hung up unexpectedly while git cloning
My git client repeatedly fails with the following error after trying to clone the repository for some time.
36 Answers
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Will using goto leak variables?
Is it true that goto jumps across bits of code without calling destructors and things?
1 Answer
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How do I compile C++ with Clang?
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The command clang is for C, and the command clang++ is for C++.
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Why doesn't indexOf work on an array IE8?
The below function works fine on Opera, Firefox and Chrome. However, in IE8 it fails on the if ( allowed.indexOf(ext[1]) == -1) part.
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RSS Feeds in ASP.NET MVC
... the RSS stuff in the BCL? Just making an RSS view that renders the XML? Or something completely different?
5 Answers
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How to run Unix shell script from Java code?
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You should really look at Process Builder. It is really built for this kind of thing.
ProcessBuilder pb = new ProcessBuilder("myshellScript.sh", "myArg1", "myArg2");
Map<String, String> env = pb.environment();
env.put("VAR1", "myValue");
env.remove("OTHERVAR");
env.put("VAR2",...
Difference between getAttribute() and getParameter()
...urns http request parameters. Those passed from the client to the server. For example http://example.com/servlet?parameter=1. Can only return String
getAttribute() is for server-side usage only - you fill the request with attributes that you can use within the same request. For example - you set an ...