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Difference between fmt.Println() and println() in Go
... They are more versatile (fmt.Fprint* can report to any io.Writer, such as os.Stdout, os.Stderr, or even a net.Conn type.) and are not implementation specific.
Most packages that are responsible for output have fmt as a dependency, such as log. If your program is going to be outputting anything in ...
How do I determine the size of my array in C?
...( sizeof(intArray) / sizeof(intArray[0]) ));
}
Output (in a 64-bit Linux OS):
sizeof of array: 28
sizeof of parameter: 8
Length of array: 7
Length of parameter: 2
Output (in a 32-bit windows OS):
sizeof of array: 28
sizeof of parameter: 4
Length of array: 7
Length of parameter: 1
...
Bash if [ false ] ; returns true
...e; a non-empty string is an expression that evaluates as true, just as in most other programming languages. false is a command which always fails. (By analogy, true is a command that always succeeds.)
– chepner
Oct 29 '13 at 22:24
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Focusable EditText inside ListView
...ocusable child, I want that child to take focus instead of indicating the position with the selector.
12 Answers
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How can I time a code segment for testing performance with Pythons timeit?
...s Corey stated in the comment, time.clock() has much higher precision (microsecond instead of second) and is preferred over time.time().
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Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
...ere, undo logs, caches, etc...).
Anyways, I found that if you look in the OS directory where the files-per-table are stored, /var/lib/mysql by default on OSX, /usr/local/var/mysql with homebrew iirc, you'll find an orphaned tablename.ibd file without it's normal companion tablename.frm file. If yo...
What should every programmer know about security? [closed]
...
However, unfortunately it's almost impossible to instantiate the principle of least privilege in any modern system. For example, the Linux kernel (source I'm currently using) contains over 9.4 million lines of C code and over 400K lines of assembly, all of...
What is the fastest way to send 100,000 HTTP requests in Python?
...cannot figure out how to write this program correctly. Has anyone come across a similar problem? I guess generally I need to know how to perform thousands of tasks in Python as fast as possible - I suppose that means 'concurrently'.
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How do I get the current time zone of MySQL?
...efault_timezone_set), which means it may report a different value than the OS is using. If you're in control of the PHP code, you should know whether you're doing that and be okay.
But the whole question of what timezone the MySQL server is using may be a tangent, because asking the server what tim...
What does -D_XOPEN_SOURCE do/mean?
...e definitions for some extra functions that are defined in the X/Open and POSIX standards.
This will give you some extra functionality that exists on most recent UNIX/BSD/Linux systems, but probably doesn't exist on other systems such as Windows.
The numbers refer to different versions of the stan...