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Why does Convert.ToString(null) return a different value if you cast null?
...aredPar's excellent overload resolution answer - the question remains "why does Convert.ToString(string) return null, but Convert.ToString(object) return string.Empty"?
And the answer to that is...because the docs say so:
Convert.ToString(string) returns "the specified string instance; no actual co...
How does a ArrayList's contains() method evaluate objects?
...() method evaluate the two objects to be the same? Assume the constructor doesn't do anything funny with the input, and the variables stored in both objects are identical.
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Why does @foo.setter in Python not work for me?
So, I'm playing with decorators in Python 2.6, and I'm having some trouble getting them to work. Here is my class file:
4 A...
Is there a Subversion command to reset the working copy?
...n the repository? Something like git reset --hard or (ha, hard Git reset does not remove unversioned files either!) rm -rf wc && svn co <url> wc .
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Why does Popen.communicate() return b'hi\n' instead of 'hi'?
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As mentioned before, echo hi actually does return hi\n, which it is an expected behavior.
But you probably want to just get the data in a "right" format and not deal with encoding. All you need to do is pass universal_newlines=True option to subprocess.Popen() l...
What is the most elegant way to remove a path from the $PATH variable in Bash?
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An empty string as a "member" of the PATH variable does, as a special rule, denote current directory in all Unix shells since at least V7 Unix of 1979. It still does in bash. Check the manual or try for yourself.
– Fred Foo
Mar 13 '11 at...
Why does the PHP json_encode function convert UTF-8 strings to hexadecimal entities?
I have a PHP script that deals with a wide variety of languages. Unfortunately, whenever I try to use json_encode , any Unicode output is converted to hexadecimal entities. Is this the expected behavior? Is there any way to convert the output to UTF-8 characters?
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How can I specify a branch/tag when adding a Git submodule?
How does git submodule add -b work?
12 Answers
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How to scale a UIImageView proportionally?
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@Jackson That does not happen automatically at all. It chooses the height of the original image before the UIImageView scales it, so the height does NOT match the new Aspect Fitted height. If anybody figures out a nice way to do this, ple...
Quickly create large file on a Windows system
...a large file on a Windows system. By large I'm thinking 5 GB. The content doesn't matter. A built-in command or short batch file would be preferable, but I'll accept an application if there are no other easy ways.
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