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How to insert a line break in a SQL Server VARCHAR/NVARCHAR string
...ng SSMS make sure the option Retain CR/LF on copy or save is checked, else all pasted results will loose the line feed. You find this at settings, query results, sql server, results to grid.
– Don Cheadle
May 16 '19 at 20:18
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What is the recommended batch size for SqlBulkCopy?
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One thing to consider is if the table is empty and has indexes. In those cases you might want to upload everything in one batch as mentioned here: technet.microsoft.com/en-us/library/ms177445(v=sql.105).aspx "If you bulk import data into an empty table with indexes and you specif...
Dynamically creating keys in a JavaScript associative array
...tion. You won't be able to refer to the array values in a for loop with an index (such as myarray[i]). Hope that's not too confusing.
– MK_Dev
Dec 9 '08 at 2:15
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Increasing (or decreasing) the memory available to R processes
... the error that R
has run out of memory.
If you have R already installed and
subsequently install more RAM, you may
have to reinstall R in order to take
advantage of the additional capacity.
You may also set the amount of
available memory manually. Close R,
then right-click o...
CRON job to run on the last day of the month
... if that's a problem, you'll need to find another way.
However, it's usually both substantially easier and correct to run the job as soon as possible on the first day of each month, with something like:
0 0 1 * * myjob.sh
and modify the script to process the previous month's data.
This remove...
How to fix “Incorrect string value” errors?
... @Brian: If you tell it you're giving it cp1252, and you actually give it the UTF-8 for, say, café, it's going to misinterpret that as café. It won't crash, but it will misunderstand the high-bit characters.
– RichieHindle
Jul 22 '09 at 21:36
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belongs_to through associations
...n. You're better off caching the question_id on Choice and adding a unique index to the table (especially because validates_uniqueness_of is prone to race conditions).
If you're paranoid, add a custom validation to Choice that confirms that the answer's question_id matches, but it sounds like the e...
In Rails - is there a rails method to convert newlines to ?
...imple_format
Example:
simple_format(mystring)
Note that simple_format allows basic HTML tags, but also passes text through sanitize which removes all scripts, so it should be safe for user input.
share
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How to send a JSON object over Request with Android?
...www.example.com/objects", se, "application/json", responseHandler);
It's all asynchronous, works well with Android and safe to call from your UI thread. The responseHandler will run on the same thread you created it from (typically, your UI thread). It even has a built-in resonseHandler for JSON, ...
Good Hash Function for Strings
...ck - The hashCode() return value will be used by Java to map to some table index before storing the object. So, if the hashCode() returns m, it does something like (m mod k) to get an index of the table of size k. Is that right?
– whitehat
Oct 17 '15 at 23:06
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