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Is null check needed before calling instanceof?
... operator is true if the
value of the RelationalExpression is
not null and the reference could be
cast to the ReferenceType
without raising a ClassCastException.
Otherwise the result is false."
So if the operand is null, the result is false.
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SQL Inner-join with 3 tables?
...preferences? (one column for each preference)
– Bob Sanders
Apr 17 '12 at 17:05
1
@BobSanders jus...
Delete files or folder recursively on Windows CMD
How do I delete files or folders recursively on Windows from the command line?
12 Answers
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Code for decoding/encoding a modified base64 URL
I want to base64 encode data to put it in a URL and then decode it within my HttpHandler.
5 Answers
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How does Stack Overflow generate its SEO-friendly URLs?
...rst glance.
This is the second version, unrolled for 5x more performance (and yes, I benchmarked it). I figured I'd optimize it because this function can be called hundreds of times per page.
/// <summary>
/// Produces optional, URL-friendly version of a title, "like-this-one".
/// hand-tun...
How to make the python interpreter correctly handle non-ASCII characters in string operations?
...lso fail if s is not a unicode string.
string.replace returns a new string and does not edit in place, so make sure you're using the return value as well
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Using GCC to produce readable assembly?
...source code with disassembly
-l, --line-numbers Include line numbers and filenames in output
objdump -drwC -Mintel is nice:
-r shows symbol names on relocations (so you'd see puts in the call instruction below)
-R shows dynamic-linking relocations / symbol names (useful on shared libraries...
Get current time in seconds since the Epoch on Linux, Bash
...e , but in seconds since 1970 instead of the current date, hours, minutes, and seconds.
7 Answers
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How can I symlink a file in Linux? [closed]
I want to make a symbolic link in Linux. I have written this Bash command where the first path is the folder I want link into and the second path is the compiled source.
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How to convert ‘false’ to 0 and ‘true’ to 1 in Python
Is there a way to convert true of type unicode to 1 and false of type unicode to 0 (in Python)?
7 Answers
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