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What is the difference between Amazon SNS and Amazon SQS?
...euing system. Messages are NOT pushed to receivers. Receivers have to poll or pull messages from SQS. Messages can't be received by multiple receivers at the same time. Any one receiver can receive a message, process and delete it. Other receivers do not receive the same message later. Polling inher...
Determining the last changelist synced to in Perforce
...is the best way to determine the changelist that you last synced to in Perforce. This is often needed for things like injecting the changelist number into the revision info by the automatic build system.
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How do I turn off PHP Notices?
I've already commented out display_errors in php.ini , but is not working.
16 Answers
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Is it fine to have foreign key as primary key?
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Foreign keys are almost always "Allow Duplicates," which would make them unsuitable as Primary Keys.
Instead, find a field that uniquely identifies each record in the table, or add a new field (either an auto-incrementing int...
Should try…catch go inside or outside a loop?
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PERFORMANCE:
There is absolutely no performance difference in where the try/catch structures are placed. Internally, they are implemented as a code-range table in a structure that is created when the method is called. While the ...
When should std::move be used on a function return value? [duplicate]
...e(foo); the move is superfluous because of 12.8/32:
When the criteria for elision of a copy operation are met or would be
met save for the fact that the source object is a function parameter,
and the object to be copied is designated by an lvalue, overload
resolution to select the construc...
Turn a string into a valid filename?
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You can look at the Django framework for how they create a "slug" from arbitrary text. A slug is URL- and filename- friendly.
The Django text utils define a function, slugify(), that's probably the gold standard for this kind of thing. Essentially, their ...
What is middleware exactly?
... definition of middleware? When I look into middleware, I find a lot of information and some definitions, but while reading these information and definitions, it seems that mostly all 'wares' are in the middle of something. So, are all things middleware?
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How to use int.TryParse with nullable int? [duplicate]
...d if the string value is an integer. If the value is an integer then skip foreach loop. Here is my code.
5 Answers
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More lines in command window
Is there a possibility to get "more" lines into the command window (Console)?
3 Answers
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