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How to get folder path from file path with CMD

...tain the folder path of each file. Here is my solution: FOR /F "usebackq tokens=1" %%i IN (`DIR /S/B *.zip` ) DO ( 7z.exe x %%i -aoa -o%%i\.. ) %%i was a full filename path and %ii\.. simply returns the parent folder. hope it helps. ...
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Fastest way to replace NAs in a large data.table

....805 12.301 134.985 system.time(a_andrie = f_andrie(dt1)) Error: cannot allocate vector of size 305.2 Mb Timing stopped at: 14.541 7.764 68.285 system.time(f_dowle(dt1)) user system elapsed 7.452 4.144 19.590 # EDIT has faster than this identical(a_gdata, dt1) [1] TRUE Note th...
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List all files in one directory PHP [duplicate]

What would be the best way to list all the files in one directory with PHP? Is there a $_SERVER function to do this? I would like to list all the files in the usernames/ directory and loop over that result with a link, so that I can just click the hyperlink of the filename to get there. Thanks! ...
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Declaration of Methods should be Compatible with Parent Methods in PHP

What are possible causes of this error in PHP? Where can I find information about what it means to be compatible ? 5 Answe...
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jQuery UI Sortable, then write order into a database

...Ted array and update the elements' positions accordingly. For example, in PHP: $i = 0; foreach ($_POST['item'] as $value) { // Execute statement: // UPDATE [Table] SET [Position] = $i WHERE [EntityId] = $value $i++; } Example on jsFiddle. ...
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Why do most C developers use define instead of const? [duplicate]

...til runtime and can only be used for automatic variables (i.e. can only be allocated on the stack). – Bart van Ingen Schenau Oct 27 '10 at 12:44 4 ...
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How to append rows to an R data frame

... Not knowing what you are trying to do, I'll share one more suggestion: Preallocate vectors of the type you want for each column, insert values into those vectors, and then, at the end, create your data.frame. Continuing with Julian's f3 (a preallocated data.frame) as the fastest option so far, def...
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How to add a custom HTTP header to every WCF call?

...collection directly (the Http Headers didn't work). I get a Header with my token (Name) in at ServiceHost AfterReceiveRequest event, but not the value (there doesn't even seem to be a property for a value?). Is there something I am missing? I would have expected a name/value pair as when I create th...
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Meaning of acronym SSO in the context of std::string

...es ("from the stack", which are variables that you create without calling malloc / new) are generally much faster than those involving the free store ("the heap", which are variables that are created using new). However, the size of automatic arrays is fixed at compile time, but the size of arrays f...
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How to close IPython Notebook properly?

...; juypter notebook list Currently running servers: http://localhost:8888/?token=ef12021898c435f865ec706d7c9af8607a7ba58bbee98632 :: /Users/username/jupyter-notebooks [/code] share | improve this a...