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Is the != check thread safe?
... edited Apr 15 '16 at 12:57
Andrew Tobilko
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answered Aug 27 '13 at 8:35
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Should switch statements always contain a default clause?
...pe! based on the language,
// there should probably be some error-handling
// here, maybe an exception
}
2. To handle 'default' actions, where the cases are for special behavior.
You see this a LOT in menu-driven programs and bash shell scripts. You might also see this when a vari...
How to exit from Python without traceback?
...
You are presumably encountering an exception and the program is exiting because of this (with a traceback). The first thing to do therefore is to catch that exception, before exiting cleanly (maybe with a message, example given).
Try something like this in your main r...
How to fetch the row count for all tables in a SQL SERVER database [duplicate]
... table_name varchar(255),
row_count int
)
EXEC sp_MSForEachTable @command1='INSERT #counts (table_name, row_count) SELECT ''?'', COUNT(*) FROM ?'
SELECT table_name, row_count FROM #counts ORDER BY table_name, row_count DESC
DROP TABLE #counts
The output will be a list of tables and their row ...
How to check if command line tools is installed
...as it appears in the Applications directory.
There are also the xcodebuild and xcode-select files in /usr/bin
I need to know if the command line tools is installed.
Is there a command for it?
What can I do to see if XCode CLT is installed and if yes to find the version installed?
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Given an RGB value, how do I create a tint (or shade)?
... an RGB value, like 168, 0, 255 , how do I create tints (make it lighter) and shades (make it darker) of the color?
3 Answ...
Forward host port to docker container
...cker container access ports opened by the host? Concretely I have MongoDB and RabbitMQ running on the host and I'd like to run a process in a Docker container to listen to the queue and (optionally) write to the database.
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Difference between one-to-many and many-to-one relationship
What is the real difference between one-to-many and many-to-one relationship? It is only reversed, kind of?
10 Answers
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MySQL Great Circle Distance (Haversine formula)
I've got a working PHP script that gets Longitude and Latitude values and then inputs them into a MySQL query. I'd like to make it solely MySQL. Here's my current PHP Code:
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What is the difference between require and require-dev sections in composer.json?
I'm beginning using composer, I know so little about it and have a little experience with web application development.
6 An...