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Why can a function modify some arguments as perceived by the caller, but not others?
I'm trying to understand Python's approach to variable scope. In this example, why is f() able to alter the value of x , as perceived within main() , but not the value of n ?
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How to copy commits from one branch to another?
I've got two branches from my master:
8 Answers
8
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Batch file: Find if substring is in string (not in a file)
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Yes, you can use substitutions and check against the original string:
if not x%str1:bcd=%==x%str1% echo It contains bcd
The %str1:bcd=% bit will replace a bcd in str1 with an empty string, making it different from the orig...
Converting Symbols, Accent Letters to English Alphabet
The problem is that, as you know, there are thousands of characters in the Unicode chart and I want to convert all the similar characters to the letters which are in English alphabet.
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Why does the order of the loops affect performance when iterating over a 2D array?
...most identical except that I switched the i and j variables around. They both run in different amounts of time. Could someone explain why this happens?
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Why does “,,,” == Array(4) in Javascript?
Boot up your interpreter/console and try the comparison
6 Answers
6
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Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar
...d
I then just created a custom UIView that I use in the customView property of the toolbar item.
Works well for me.
Edit: As pointed out by PrairieHippo, maralbjo found that using the following, simple code did the trick (requires custom image in bundle) should be combined with this answer. So ...
What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
... some code and when it executes, it throws a IndexOutOfRangeException , saying,
4 Answers
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How to construct a relative path in Java from two absolute paths (or URLs)?
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It's a little roundabout, but why not use URI? It has a relativize method which does all the necessary checks for you.
String path = "/var/data/stuff/xyz.dat";
String base = "/var/data";
String relative = new File(base).toURI().relativize(new File(path).t...
Variable declaration placement in C
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It compiles successfully because GCC allows the declaration of s as a GNU extension, even though it's not part of the C89 or ANSI standard. If you want to adhere strictly to those standards, you must pass the -pedantic flag.
The declaration of c a...