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What does “O(1) access time” mean?
...term "O(1) access time" used to mean "quickly" but I don't understand what it means. The other term that I see with it in the same context is "O(n) access time". Could someone please explain in a simple way what these terms mean?
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Should unit tests be written for getter and setters?
Are we supposed to write tests for our getters and setters or is it overkill?
13 Answers
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Quickly create a large file on a Linux system
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dd from the other answers is a good solution, but it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern disk based file systems, very fast:
For exampl...
How to normalize a path in PowerShell?
... have unintended side-effects, such as resolving to a path based off the initial working directory (not your current location).
What you do is you first qualify your path:
Join-Path (Join-Path (pwd) fred\frog) '..\frag'
This yields (given my current location):
C:\WINDOWS\system32\fred\frog\..\f...
What's better at freeing memory with PHP: unset() or $var = null
...rhead of a function call ( update , is actually a language construct), but it would be interesting to know if one is better than the other. I have been using unset() for most of my coding, but I've recently looked through a few respectable classes found off the net that use $var = null instead.
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Calculate last day of month in JavaScript
...n they will continue to do so, or that browsers not listed will do so, but it lends credibility to the belief that it should work the same way in every browser.
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When should I use Arrow functions in ECMAScript 6?
...ontext of the upcoming ECMAScript 6 (Harmony) and who have already worked with the language.
9 Answers
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Collection was modified; enumeration operation may not execute
...'t get to the bottom of this error, because when the debugger is attached, it does not seem to occur.
15 Answers
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Jelly Bean DatePickerDialog — is there a way to cancel?
...oticed that someone already faced this problem here . But I'm not sure if it's appropriate to close this as a duplicate, since i think I provided a much better explanation of the issue. I'm not sure if I should edit the other question and paste this content there, but I'm not comfortable changing s...
An error occurred while validating. HRESULT = '8000000A'
...ile when using devenv on an automatic build. I have gone through every website I can find, and the usual answers mention refreshing dependencies (Which I believe fixes it for manual deployment, but not for automatic) and removing the source control coding from the projects, which hasn't helped me.
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