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Get index of array element faster than O(n)
...ere any other way, rather then call Array#index to get it? The problem comes from the need of keeping really huge array and calling Array#index enormous amount of times.
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How do you implement a re-try-catch?
Try-catch is meant to help in the exception handling. This means somehow that it will help our system to be more robust: try to recover from an unexpected event.
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Replace whitespaces with tabs in linux
...D(1) User Commands UNEXPAND(1)
NAME
unexpand - convert spaces to tabs
SYNOPSIS
unexpand [OPTION]... [FILE]...
DESCRIPTION
Convert blanks in each FILE to tabs, writing to standard output. With
no FILE, or when FILE is -, read s...
How can I make the Android emulator show the soft keyboard?
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I found out how to do this on the Android emulator itself (Menu, "Settings" App - not the settings of the emulator outside). All you need to do is:
open settings app -> Language & Input -> Go to the "Keyboard & Input Methods -> click Default
This will bring up a Dial...
presentViewController and displaying navigation bar
...yViewController *myViewController = [[MyViewController alloc] initWithNibName:nil bundle:nil];
UINavigationController *navigationController =
[[UINavigationController alloc] initWithRootViewController:myViewController];
//now present this navigation controller modally
[self presentViewControl...
How do you check what version of SQL Server for a database using TSQL?
...ered Sep 12 '08 at 16:33
Joe KuemerleJoe Kuemerle
6,14011 gold badge1919 silver badges1818 bronze badges
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Javascript swap array elements
Is there any simpler way to swap two elements in an array?
31 Answers
31
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How can I convert a string to a number in Perl?
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@OrangeDog the OP edited the question (some months after this answer was posted) - the original question actually had floating point numbers in it.
– Alnitak
Mar 14 '12 at 10:46
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How should one go about choosing a default TCP/IP port for a new service?
...n on a TCP/IP port, how should one go about selecting a default port? Assume that this app will be installed on many computers, and that avoiding port conflicts is desired.
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Split string in Lua?
...i] = str and then you don't need i=1 or i = i +1
– James Newton
Apr 21 '15 at 0:27
2
Doesn't work...