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In Windows cmd, how do I prompt for user input and use the result in another command?

I have a Windows .bat file which I would like to accept user input and then use the results of that input as part of the call to additional commands. ...
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Very large matrices using Python and NumPy

NumPy is an extremely useful library, and from using it I've found that it's capable of handling matrices which are quite large (10000 x 10000) easily, but begins to struggle with anything much larger (trying to create a matrix of 50000 x 50000 fails). Obviously, this is because of the massive memo...
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How can I open a cmd window in a specific location?

... Try out this "PowerToy" from Microsoft: Open Command Window Here This PowerToy adds an "Open Command Window Here" context menu option on file system folders, giving you a quick way to open a command window (cmd.exe) pointing at the selected folder. EDIT : T...
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How to change language settings in R

...env() function. My R session defaults to English, so I'll set it to French and then back again: > Sys.setenv(LANG = "fr") > 2 + x Erreur : objet 'x' introuvable > Sys.setenv(LANG = "en") > 2 + x Error: object 'x' not found A list of the abbreviations can be found here. Sys.getenv() g...
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Is there any WinSCP equivalent for linux? [closed]

...'re using Gnome, you can go to: Places -> Connect to Server in nautilus and choose SSH. If you have a SSH agent running and configured, no password will be asked! (This is the same as sftp://root@servername/directory in Nautilus) In Konqueror, you can simply type: fish://servername. per Mike R:...
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How to remove focus around buttons on click

... I found this Q and A on another page, and overriding the button focus style worked for me. This problem may be specific to MacOS with Chrome. .btn:focus { outline: none; box-shadow: none; } Note though that this has implications for ...
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mongo - couldn't connect to server 127.0.0.1:27017

I am coming from riak and redis where I never had an issue with this services starting, or to interact. 38 Answers ...
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Update Eclipse with Android development tools v. 23

...-step: Menu Help → Install New Software... For "Work with", select the Android source https://dl-ssl.google.com/android/eclipse Tick ADT v23.0 for installation, then click "Next" Eclipse will show "Install Remediation Page" since there is conflict with previous version. (If it does not, see bel...
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PDOException “could not find driver”

I have just installed Debian Lenny with Apache, MySQL, and PHP and I am receiving a PDOException could not find driver . 3...
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How to compare two NSDates: Which is more recent?

I am trying to achieve a dropBox sync and need to compare the dates of two files. One is on my dropBox account and one is on my iPhone. ...