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Why does SSL handshake give 'Could not generate DH keypair' exception?

...DHE_.... The later would happen if I added BouncyCastle. If TLS_ECDHE_ was selected, MOST OF the time it worked, but not ALWAYS, so adding even BouncyCastle provider was unreliable (failed with same error, every other time or so). I guess somewhere in the Sun SSL implementation sometimes it choose D...
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Is PowerShell ready to replace my Cygwin shell on Windows? [closed]

... grep Select-String cmdlet and -match operator work with regexes. Also you can directly make use of .NET's regex support for more advanced functionality. sort Sort-Object is more powerful (than I remember *nix's sort). Allowi...
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jQuery `.is(“:visible”)` not working in Chrome

... It seems jQuery's :visible selector does not work for some inline elements in Chrome. The solution is to add a display style, like "block" or "inline-block" to make it work. Also note that jQuery has a somewhat different definition of what is visible ...
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Getting exact error type in from DbValidationException

... string errorMessages = string.Join("; ", ex.EntityValidationErrors.SelectMany(x => x.ValidationErrors).Select(x => x.PropertyName + ": " + x.ErrorMessage)); throw new DbEntityValidationException(errorMessages); } } This will overwrite your context's SaveChanges() method a...
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What is the point of Lookup?

...in those assemblies IEnumerable<Type> allTypes = sampleTypes.Select(t => t.Assembly) .SelectMany(a => a.GetTypes()); // Grouped by namespace, but indexable ILookup<string, Type> lookup = allTypes.ToLookup(t =&g...
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Is there an IDictionary implementation that, on missing key, returns the default value instead of th

...<K, V>(this IDictionary<K, V> dict, K key, Func<V> defValSelector) { V value; return dict.TryGetValue(key, out value) ? value : defValSelector(); } share | improve this an...
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No Main() in WPF?

... in visual studio. Use the navigation bar > Method drop down list > select Main (greyed out). This takes you to App.g.i.cs. – P.Brian.Mackey Apr 6 '18 at 15:58 add a c...
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How to speed up insertion performance in PostgreSQL

...rypto module) is (a lot) faster than uuid_generate_v4() =# explain analyze select uuid_generate_v4(),* from generate_series(1,10000); QUERY PLAN ---------------------------------------------------------------------------------------------------...
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What is the benefit of using “SET XACT_ABORT ON” in a stored procedure?

...h declare @error int, @message varchar(4000), @xstate int; select @error = ERROR_NUMBER(), @message = ERROR_MESSAGE(), @xstate = XACT_STATE(); if @xstate = -1 rollback; if @xstate = 1 and @trancount = 0 rollback if @xstate = 1 and @tran...
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How to check if activity is in foreground or in visible background?

...stem dialogue box pops-up and I only want to finish() ; once the user has selected an option from the dialogue box? 23 An...