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Message Queue vs Message Bus — what are the differences?
...t of interfaces(message bus).
Source: EIP
Message Queue
The basic idea of a message queue is a simple one:
Two (or more) processes can exchange information via access to a
common system message queue.
The sending process places via some (OS) message-passing module a
message onto a queue ...
Convert number strings with commas in pandas DataFrame to float
...'m getting "AttributeError: 'DataFrame' object has no attribute 'str'", no idea why...
– krassowski
Nov 21 '19 at 16:00
1
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How to export DataTable to Excel
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Solution based on tuncalik (thanks for idea) article, but in case of big tables is working much more faster (and is a little less clear).
public static class My_DataTable_Extensions
{
/// <summary>
/// Export DataTable to Excel file
/// </sum...
There can be only one auto column
...LT CHARSET=latin1;
This is a contrived example and probably not the best idea, but it can be very useful in certain cases.
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Android 4.2: back stack behaviour with nested fragments
...ts, each with their child fragments that may cover part of the screen, the idea of having a separate backstack for each child fragment manager stops making sense. The backstack should be unified across all fragments in the activity, and track fragment changes in the order in which they happen, regar...
Compare equality between two objects in NUnit
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This is a great idea. I would use the newer Json.NET: var expectedJson = Newtonsoft.Json.JsonConvert.SerializeObject(expected);
– BrokeMyLegBiking
Nov 14 '14 at 11:42
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CGContextDrawImage draws image upside down when passed UIImage.CGImage
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This is a great idea, but for me it resulted in an image that was both upside down and left to right. I'm guessing that results will vary from image to image.
– Luke Rogers
May 8 '17 at 10:37
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How to @link to a Enum Value using Javadoc
...hat doesn't work if you have a static import of enum. At least in intellij idea there is no way to use a statically imported enum in javadoc, unless you use the fully qualified enum name with packages etc.
– dhblah
May 29 '15 at 13:47
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Can I write into the console in a unit test? If yes, why doesn't the console window open?
...l it from me, but I haven't tried.)
In general, though, I think it's a bad idea; if all you want to use the console for is to dump more information about your unit test, the output is there for you. Keep using Console.WriteLine the way you are, and check the output results in the Test Results window...
What is a deadlock?
...ok at this wonderful articles, under section Deadlock. It is in C# but the idea is still the same for other platform. I quote here for easy reading
A deadlock happens when two threads each wait for a resource held by
the other, so neither can proceed. The easiest way to illustrate this
is wi...