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Run R script from command line
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One should use R -r 'options(warn=2); install...' in order to halt the execution and get a non-zero error code in case the installation fails. Otherwise, any install.packages errors are just warnings.
– rvernica
Jan 18 '17 at 16:41
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What is the command to truncate a SQL Server log file?
...overy situation, you'll have to re-load all the transaction log backups in order to fully recover the DB. Fun times, to be sure! :)
– defines
Aug 22 '14 at 16:07
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Opacity of div's background without affecting contained element in IE 8?
...ssary ingredients(transparent background and hasLayout), change the filter order .. feel free to rollback if you don't agree ;)
– clairesuzy
Apr 14 '11 at 12:13
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What is the difference between iterator and iterable and how to use them?
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I will answer the question especially about ArrayList as an example in order to help you understand better..
Iterable interface forces its subclasses to implement abstract method 'iterator()'.
public interface Iterable {
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abstract Iterator<T> iterator(); //Returns an 'Iterator'...
How can I make a horizontal ListView in Android? [duplicate]
...t he got it working, but it doesn't recycle views, the data is static, the order of items isn't guaranteed and it's really hard to adjust/fix without knowing exactly what you're doing due to the lack of comments in it. If you know exactly what you're doing, you don't need this solution in the first ...
Initializing C# auto-properties [duplicate]
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Filtering Pandas DataFrames on dates
...csv data file, we'll need to set the date column as index now as below, in order to filter data based on a range of dates. This was not needed for the now deprecated method: pd.DataFrame.from_csv().
If you just want to show the data for two months from Jan to Feb, e.g. 2020-01-01 to 2020-02-29, you...
Improve INSERT-per-second performance of SQLite
...NT(*) FROM table
then read in pages (LIMIT/OFFSET):
SELECT * FROM table ORDER BY _ROWID_ LIMIT <limit> OFFSET <offset>
where and are calculated per-thread, like this:
int limit = (count + n_threads - 1)/n_threads;
for each thread:
int offset = thread_index * limit
For our sm...
Heroku/GoDaddy: send naked domain to www [closed]
...kuapp.com. These details are covered here.
GoDaddy also specifies that in order for your domain name to forward, its A record must be pointed to 64.202.189.170 or must fall between the following ranges: 50.63.202.1 - 50.63.202.31 or 184.168.221.1 - 184.168.221.31.
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ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
...ified stamp and row version on my entities, so I was getting them first in order to compare with the inbound headers. Of course, this loaded and tracked the entity that was subsequently being updated.
The fix was simply to change the repository from newing-up a context once in the constructor to ha...