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How to reverse a singly linked list using only two pointers?
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I'm not sure about 'obvious errors' in the original. Design-wise, not passing the head of the list in and not returning the new head is a bad idea. The only bug, though, is the last line in the reverse() function should be setting first, I believe. O...
Syntax for a single-line Bash infinite while loop
...pn running. Openconnect disconnects after a few hours with a bad cookie error. So I put the openconnect command in a shell script, sudo su to become root, and use this cmd line: while true; do sh /Users/myuser/bin/vpn ; done
– Blisterpeanuts
Mar 4...
What is the Java ?: operator called and what does it do?
...th branches must lead to methods with return values:
It is a compile-time error for either the second or the third operand expression to be an invocation of a void method.
In fact, by the grammar of expression statements (§14.8), it is not permitted for a conditional expression to appear in any co...
Pass Additional ViewData to a Strongly-Typed Partial View
...you inherit your new class and change the bits of code that will now be in error. namely the references to your fields.
Hope this helps. If not then let me know and I'll post specific code.
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How do I get currency exchange rates via an API such as Google Finance? [closed]
...testing/demo use. If you request more then it will return 400 and give you error: "The system has detected this request as an abuse of the free service. If you need more requests, please consider using the paid service. Please check currencyconverterapi.com/pricing for more information. Thank you." ...
What is the !! (not not) operator in JavaScript?
...he HTML5 <audio> element, but we don't want the function to throw an error if <audio> is undefined; and we don't want to use try ... catch to handle any possible errors (because they're gross); and also we don't want to use a check inside the function that won't consistently reveal the t...
Subclassing a Java Builder class
...stead of extends, or (c) throw everything away. I now have a weird compile error where leafBuilder.leaf().leaf() and leafBuilder.mid().leaf() is OK, but leafBuilder.leaf().mid().leaf() fails...
– Ken Y-N
Jun 19 '13 at 4:01
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How do I measure execution time of a command on the Windows command line?
... FYI - I don't think timeit works on Windows 7 64-bit. You get the error "Unable to query system performance data (c0000004). Instead, use PowerShell's "Measure-Command" like Casey.K suggests: stackoverflow.com/questions/673523/…
– Michael La Voie
Oc...
Can I mix MySQL APIs in PHP?
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Some guy tried to tell me today that they've no problem/errors when mixing mysql_real_escape_string() with what the rest of their code being PDO. Is there something I didn't get here in my time with working with these different APIs? Am I the ignorant one here? This being for the ...
Convert JS Object to form data
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its keep append the json after several times of error debug
– Snow Bases
Jul 15 '19 at 21:04
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