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How do I start PowerShell from Windows Explorer?
...ndows Explorer, just go to the Address Bar at the top (keyboard shortcuts: Alt+D or Ctrl+L) and type powershell or powershell_ise and press Enter. A PowerShell command window opens with the current directory.
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Easy way to list node modules I have npm linked?
...ectory level:
find . -maxdepth 1 -type l
You can use -ls for additional info.
For instance, for finding node modules that are npm linked:
find node_modules -maxdepth 1 -type l -ls
Here's an article why parsing ls is not the best idea
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Passing variable arguments to another function that accepts a variable argument list
...on will accept a struct containing a character-output function pointer and information saying what's supposed to happen. This allows printf, sprintf, and fprintf to all use the same 'core' mechanism. For example, vsprintf might be something like:
void s_out(PRINTF_INFO *p_inf, char ch)
{
(*(p_...
What does the brk() system call do?
...ut brk/sbrk?
Why does calling sbrk(0) twice give a different value?
More info
Internally, the kernel decides if the process can have that much memory, and earmarks memory pages for that usage.
This explains how the stack compares to the heap: What is the function of the push / pop instructions u...
What is a higher kinded type in Scala?
...e functions, you could shorten that last line from the examples to:
types (informally) String [x] => x [F[x]] => F[String]) // I repeat, this is not valid Scala, and might never be
(On a personal note, I regret ever having talked about "higher-kinded types", they're just types...
How can I put a database under git (version control)?
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I didn't find relevant info on the databaserefactoring site... It appears to list various refactoring techniques for DB code (like Fowler did for regular code)
– Nickolay
Aug 16 '18 at 13:26
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Redis: Show database size/size for keys
...f the multiple databases I have in there consumes how much memory. Redis' INFO command just shows me the total size and the number of keys per database which doesn't give me much insight... So any tools/ideas that give me more information when monitoring the redis server would be appreciated.
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The Ruby %r{ } expression
...text
\s # white space char
(group) # first group
(?:alt1|alt2) # some alternation
end
}x
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What is a columnar database?
...several are build upon traditional, row-oriented, DBMS, simply storing the info in tables with one (or rather often two) columns (and adding the necessary layer to access the columnar data in an easy fashion).
How do they differ from relational databases?
They generally differ from traditional (row...
In Visual Studio C++, what are the memory allocation representations?
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This link has more information:
http://en.wikipedia.org/wiki/Magic_number_(programming)
* 0xABABABAB : Used by Microsoft's HeapAlloc() to mark "no man's land" guard bytes after allocated heap memory
* 0xABADCAFE : A startup to this value to ...