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Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
...lly, in regards to redis, yes, it can be used as a message broker, and can do well. However, Rabbitmq has more message queuing features than redis, as rabbitmq was built from the ground up to be a full-featured enterprise-level dedicated message queue. Redis on the other hand was primarily created t...
Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?
...t with.
There's no support for 'did-you-mean', etc - although these can be done with other tools easily enough. Sphinx does stem words though using dictionaries, so 'driving' and 'drive' (for example) would be considered the same in searches.
Sphinx doesn't allow partial index updates for field data...
How do I use a custom deleter with a std::unique_ptr member?
...) : ptr_(create(), destroy) { /* ... */ }
// ...
};
Notice that you don't need to write any lambda or custom deleter here because destroy is already a deleter.
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Entity Framework: One Database, Multiple DbContexts. Is this a bad idea? [closed]
...irst to create your database - only single context in your application can do that. The trick for this is usually one additional context containing all your entities which is used only for database creation. Your real application contexts containing only subsets of your entities must have database i...
Git: How to update/checkout a single file from remote origin master?
...
It is possible to do (in the deployed repository)
git fetch
git checkout origin/master -- path/to/file
The fetch will download all the recent changes, but it will not put it in your current checked out code (working area).
The checkout wil...
How do I iterate through table rows and cells in JavaScript?
...;td>) of each row(<tr>), then this is the way to go.
var table = document.getElementById("mytab1");
for (var i = 0, row; row = table.rows[i]; i++) {
//iterate through rows
//rows would be accessed using the "row" variable assigned in the for loop
for (var j = 0, col; col = row.cel...
Is it possible to make abstract classes in Python?
...
what does the @abstractmethod do? Why do you need it? If the class is already established as abstract shouldn't the compiler/interpret know that all the methods are from the abstract class in question?
– Char...
How do I mock an autowired @Value field in Spring with Mockito?
...ld without having to supply an instance of the class. See this part of the documentation and this commit.
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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
...ign a new value to p[i].
A: A string literal (the formal term
for a double-quoted string in C
source) can be used in two slightly
different ways:
As the initializer for an array of char, as in the declaration of char a[] , it specifies the initial values
of the characters in tha...
Trying to fix line-endings with git filter-branch, but having no luck
I have been bitten by the Windows/Linux line-ending issue with git. It seems, via GitHub, MSysGit, and other sources, that the best solution is to have your local repos set to use linux-style line endings, but set core.autocrlf to true . Unfortunately, I didn't do this early enough, so now ever...