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/etc/apt/sources.list" E212: Can't open file for writing
I am trying to edit sources.list using vi editor but getting the following error while saving the file:
12 Answers
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How to get the current directory of the cmdlet being executed
...the directory where the executed cmdlet is located with mixed success. For instance, when I execute C:\temp\myscripts\mycmdlet.ps1 which has a settings file at C:\temp\myscripts\settings.xml I would like to be able to store C:\temp\myscripts in a variable within mycmdlet.ps1 .
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Use find command but exclude files in two directories
I want to find files that end with _peaks.bed , but exclude files in the tmp and scripts folders.
6 Answers
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Locking pattern for proper use of .NET MemoryCache
...the code. Because MemoryCache is thread safe you don't need to lock on the initial read, you can just read and if the cache returns null then do the lock check to see if you need to create the string. It greatly simplifies the code.
const string CacheKey = "CacheKey";
static readonly object cacheLo...
Getting the array length of a 2D array in Java
... a 2D array for both the row and column. I’ve successfully done this, using the following code:
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How to properly override clone method?
I need to implement a deep clone in one of my objects which has no superclass.
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Can I “multiply” a string (in C#)?
Suppose I have a string, for example,
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What is a ViewModelLocator and what are its pros/cons compared to DataTemplates?
...what a ViewModelLocator is, how it works, and what the pros/cons are for using it compared to DataTemplates?
3 Answers
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What does “&” at the end of a linux command mean?
I am a system administrator and I have been asked to run a linux script to clean the system.
4 Answers
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How do I find all files containing specific text on Linux?
I'm trying to find a way to scan my entire Linux system for all files containing a specific string of text. Just to clarify, I'm looking for text within the file, not in the file name.
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