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Message Queue vs Message Bus — what are the differences?
And are there any? To me, MB knows both subscribers and publishers and acts as a mediator, notifying subscribers on new messages (effectively a "push" model). MQ, on the other hand, is more of a "pull" model, where consumers pull messages off a queue.
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What does 'super' do in Python?
... to super and the correct method arguments right can be difficult. If you know you're using super correctly with single inheritance, that makes debugging less difficult going forward.
Dependency Injection
Other people can use your code and inject parents into the method resolution:
class SomeBase...
jQuery UI accordion that keeps multiple sections open?
...been updated to support default active tabs option
UPDATE:
This plugin is now deprecated.
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How to get the number of Characters in a String?
...o 1.3.
And with CL 108985 (May 2018, for Go 1.11), len([]rune(string)) is now optimized. (Fixes issue 24923)
The compiler detects len([]rune(string)) pattern automatically, and replaces it with for r := range s call.
Adds a new runtime function to count runes in a string.
Modifies the compiler to ...
HttpClient.GetAsync(…) never returns when using await/async
...ired to flow the context through SynchronizationContext - but I don't yet know.
– Stephen Cleary
May 10 '12 at 1:56
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Could not find stored procedure 'dbo.aspnet_CheckSchemaVersion'
... -S DBServerName -U DBLogin -P DBPassword -A all -d DBName
If you don't know where to run above command then you can simply run 'aspnet_regsql.exe' executable file.
In order to locate this file open your RUN Command Box by pressing Windows Key + r and put below command in that %windir%\Microsoft....
What is the explicit promise construction antipattern and how do I avoid it?
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The deferred antipattern (now explicit-construction anti-pattern) coined by Esailija is a common anti-pattern people who are new to promises make, I've made it myself when I first used promises. The problem with the above code is that is fails to util...
“You have mail” message in terminal, os X [closed]
...ssages where there. Both seemed to be to the same incident.
What I don't know, and can't answer for you either, is WHY I only recently started seeing this mail notification each time I open Terminal. The mails were generated a couple of months ago, and yet I only noticed this "you have mail" appear...
How to redirect cin and cout to files?
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Here is an working example of what you want to do. Read the comments to know what each line in the code does. I've tested it on my pc with gcc 4.6.1; it works fine.
#include <iostream>
#include <fstream>
#include <string>
void f()
{
std::string line;
while(std::getline(...
Copy constructor versus Clone()
...ow clone, thus the interface is semantically broken as your callers won't know whether the call will deep or shallow clone the object.
Instead, you should define your own IDeepCloneable (and IShallowCloneable) interfaces with DeepClone() (and ShallowClone()) methods.
You can define two interfaces,...