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If strings are immutable in .NET, then why does Substring take O(n) time?
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UPDATE: I liked this question so much, I just blogged it. See Strings, immutability and persistence
The short answer is: O(n) is O(1) if n does not grow large. Most people extract tiny substrings from tiny strings, so how ...
PHP server on local machine?
I'm trying to build a PHP site and I'm wanting to test my PHP files without uploading them to my host. Basically testing them on my own machine before I upload them. How do I do that?
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Change the current directory from a Bash script
Is it possible to change current directory from a script?
15 Answers
15
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How can I run a function from a script in command line?
I have a script that has some functions.
9 Answers
9
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How can you use optional parameters in C#?
Note: This question was asked at a time when C# did not yet support optional parameters (i.e. before C# 4).
23 Answers
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Rebasing a Git merge commit
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There are two options here.
One is to do an interactive rebase and edit the merge commit, redo the merge manually and continue the rebase.
Another is to use the --rebase-merges option on git rebase, which is described as follows from the ma...
Is there a difference between x++ and ++x in java?
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++x is called preincrement while x++ is called postincrement.
int x = 5, y = 5;
System.out.println(++x); // outputs 6
System.out.println(x); // outputs 6
System.out.println(y++); // outputs 5
System.out.println(y); // outputs 6
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How do I list the symbols in a .so file
How do I list the symbols being exported from a .so file? If possible, I'd also like to know their source (e.g. if they are pulled in from a static library).
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Object.watch() for all browsers?
Please note that Object.Watch and Object.Observe are both deprecated now (as of Jun 2018).
8 Answers
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Returning http status code from Web Api controller
...ing to return a status code of 304 not modified for a GET method in a web api controller.
13 Answers
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