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How do I get the current time zone of MySQL?
...of functions that get the time right now, such as now(), unix_timestamp(), etc.; it doesn't tell you anything about what timezone the dates in the database data are using. You might choose to assume they were written using the server's timezone, but that assumption may well be flawed. To know the ti...
Java Timer vs ExecutorService?
...oss other systems in a cluster and do things like one-off batch execution, etc...
Just look at what each offers to decide.
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What is an application binary interface (ABI)?
... an API. The API consists of data types/structures, constants, functions, etc that you can use in your code to access the functionality of that external component.
An ABI is very similar. Think of it as the compiled version of an API (or as an API on the machine-language level). When you write s...
Why are variables “i” and “j” used for counters?
... real. This meant that I was the first integer variable, and J the second, etc., so they fell towards use in loops.
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answered Nov 9 '10 at 19:48
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Best way to test for a variable's existence in PHP; isset() is clearly broken
...ng them as though they were. However, since they can be iterated, counted, etc, a missing value is not the same as one whose value is null.
The answer in this case, is to use array_key_exists() instead of isset().
Since this is takes the array to check as a function argument, PHP will still raise ...
Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
...ard is limited in what it can say because it doesn't know about 'execve()' etc. The POSIX standard (opengroup.org/onlinepubs/9699919799/functions/execve.html) has more to say - making it clear that what is in argv[0] is at the whim of the process the executes the 'execve()' (or related) system call...
How can Bash execute a command in a different directory context?
...shd and popd builtins for this purpose. For example:
# do something with /etc as the working directory
cd /etc
:
# do something with /tmp as the working directory
cd /tmp
:
You use the builtins just like any other command, and can change directory context as many times as you like in a script.
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What did MongoDB not being ACID compliant before v4 really mean?
...pdate (in memory), wait for the write to happen to the local journal file, etc.
There is no easy "atomic" updates to multiple collections and even multiple documents in the same collection. It's not a problem in most cases because it can be circumvented with Two Phase Commit, or restructuring your s...
Does MySQL included with MAMP not include a config file?
... Default options are read from the following files in the given order:
/etc/my.cnf /etc/mysql/my.cnf /Applications/MAMP/conf/my.cnf ~/.my.cnf
Copy one of the variants in /Applications/MAMP/Library/support-files/ to one of the locations in mysqld's search order above, and you should be good to g...
How can I see the size of a GitHub repository before cloning it?
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@nulltoken Any response on the query about kB / MB etc?
– nealmcb
Jun 13 '17 at 19:43
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