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Change R default library path using .libPaths in Rprofile.site fails to work
...hics functions. It works via side-effect. The functions Sys.getenv and Sys.setenv that report and alter the R environment variables have been split apart but .libPaths can either report or alter its target.
The information about the R startup process can be read at ?Startup help page and there is ...
Best practice? - Array/Dictionary as a Core Data Entity Attribute [closed]
...ts start with that. Core Data to-many relationships are really modelling a set, so if you need array-like functionality, you have to either sort the set (using a fetched property is a convenient way to do this) or add an extra index attribute to the entity that stores the array items and manage the ...
Android Studio - Where can I see callstack while debugging an android app?
...ive. :( . You can turn off the terrible counter intuitive hiding on the settings cog in the extreme top right of the debug window and ensure "Show Views as Tabs" is unchecked
– Rob McFeely
Jun 5 '15 at 7:48
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How to sort a dataFrame in python pandas by two or more columns?
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As of pandas 0.17.0, DataFrame.sort() is deprecated, and set to be removed in a future version of pandas. The way to sort a dataframe by its values is now is DataFrame.sort_values
As such, the answer to your question would now be
df.sort_values(['b', 'c'], ascending=[True, False]...
Override setter with arc
Did I correctly override the setter when ARC is enabled?
3 Answers
3
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C++ mark as deprecated
...pported for:
GCC 4.5+
Several compilers which masquerade as GCC 4.5+ (by setting __GNUC__/__GNUC_MINOR__/__GNUC_PATCHLEVEL__)
Intel C/C++ Compiler going back to at least 16 (you can't trust __GNUC__/__GNUC_MINOR__, they just set it to whatever version of GCC is installed)
ARM 5.6+
MSVC supports _...
Postgres unique constraint vs index
...m the definition of create table ....
In unique index declaration you can set WHERE clause to create partial index.
You can also create index on expression (not only on column) and define some other parameters (collation, sort order, NULLs placement).
You cannot add table constraint using partial...
Log4net rolling daily filename with date in the file name
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Using Log4Net 1.2.13 we use the following configuration settings to allow date time in the file name.
<file type="log4net.Util.PatternString" value="E:/logname-%utcdate{yyyy-MM-dd}.txt" />
Which will provide files in the following convention: logname-2015-04-17.txt
With t...
How to overlay images
...rks, as long as the parent element is not using static positioning. Simply setting it to relative positioning does the trick. Also, IE <8 don't support the :before selector or content.
share
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im...
How to create arguments for a Dapper query dynamically
...n create a method like this, which will take any model, any query, and any set of query parameters:
public static IEnumerable<T> Get<T>(string query, Dictionary<string, object> dictionary)
{
IEnumerable<T> entities = connection.Query<T>(query, new Dynam...