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Standardize data columns in R
... is accepted, I'll provide another answer for reference.
scale is limited by the fact that it scales all variables. The solution below allows to scale only specific variable names while preserving other variables unchanged (and the variable names could be dynamically generated):
library(dplyr)
se...
How to install Google Play Services in a Genymotion VM (with no drag and drop support)?
..., GApps can be installed from the emulator toolbar.
Please refer to answer by @MichaelStoddart.
Next follows former answer kept here for historic reason:
Genymotion doesn't provide Google Apps. To install Google Apps:
Upgrade Genymotion and VirtualBox to the latest version.
Download two zip file...
Creating an index on a table variable
...TP 3.1 it is now possible to declare filtered indexes for table variables. By RTM it may be the case that included columns are also allowed but the current position is that they "will likely not make it into SQL16 due to resource constraints"
/*SQL Server 2016 allows filtered indexes*/
DECLARE @T T...
How to clone git repository with specific revision/changeset?
...mit enabling this feature. Note that some Git servers activate this option by default, e.g. Bitbucket Server enabled it since version 5.5+. See this answer on Stackexchange for a exmple of how to activate the configuration option.
UPDATE 1 For Git versions 1.7 < v < 2.5 use git clone and git...
ERROR 1396 (HY000): Operation CREATE USER failed for 'jack'@'localhost'
...' did not work for me, after doing a bit of research, I found the solution by revoking all access and dropping the user, I don't think so, flush operation will help in similar cases, I have shared my detailed explanation on this page rathishkumar.in/2018/10/…
– Rathish
...
How do I compile a Visual Studio project from the command-line?
...e your environment variables are correct, as msbuild and vcexpress are not by default on the system path. Either start the Visual Studio build environment and run your script from there, or modify the paths in Python (with os.putenv).
...
How to add to an existing hash in Ruby
...rds to adding an key => value pair to an existing populated hash in Ruby, I'm in the process of working through Apress' Beginning Ruby and have just finished the hashes chapter.
...
Entity Framework is Too Slow. What are my options? [closed]
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You should start by profiling the SQL commands actually issued by the Entity Framework. Depending on your configuration (POCO, Self-Tracking entities) there is a lot room for optimizations. You can debug the SQL commands (which shouldn't diff...
CMake output/build directory
...t to.
Once you have this working, you can look at where CMake puts things by default, and only if you're not satisfied with the default locations (such as the default value of EXECUTABLE_OUTPUT_PATH), modify only those you need. And try to express them relative to CMAKE_BINARY_DIR, CMAKE_CURRENT_BI...
How do you overcome the HTML form nesting limitation?
... Right this is excellent, but as of today a feature not supported by IE still disqualifies it for 'production' use
– Jako
Sep 25 '12 at 16:39
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