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How to set a default value for an existing column
...in SQL Server:
ALTER TABLE Employee ADD CONSTRAINT DF_SomeName DEFAULT N'SANDNES' FOR CityBorn;
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Why aren't python nested functions called closures?
I have seen and used nested functions in Python, and they match the definition of a closure. So why are they called nested functions instead of closures ?
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How to bind inverse boolean properties in WPF?
...I need to go with a solution that "I" will remember, which I will use over and over. I also feel that the less wordy something is the better, and creating an inverse property is very explicit, making it easy for me to remember, as well as future dev's ( I Hope, I Hope ), to be able to quickly see ...
MySQL ON DUPLICATE KEY - last insert id?
...QL documentation example:
If a table contains an AUTO_INCREMENT column and INSERT ... UPDATE inserts a row, the LAST_INSERT_ID() function returns the AUTO_INCREMENT value. If the statement updates a row instead, LAST_INSERT_ID() is not meaningful. However, you can work around this by using LAST_...
Word-wrap in an HTML table
I've been using word-wrap: break-word to wrap text in div s and span s. However, it doesn't seem to work in table cells. I have a table set to width:100% , with one row and two columns. Text in columns, although styled with the above word-wrap , doesn't wrap. It causes the text to go past the ...
ruby 1.9: invalid byte sequence in UTF-8
... writing a crawler in Ruby (1.9) that consumes lots of HTML from a lot of random sites.
When trying to extract links, I decided to just use .scan(/href="(.*?)"/i) instead of nokogiri/hpricot (major speedup). The problem is that I now receive a lot of " invalid byte sequence in UTF-8 " errors.
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CKEditor automatically strips classes from div
...t sees fit whenever I press the source button. For example if I hit source and create a <div> ...
13 Answers
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When saving, how can you check if a field has changed?
... if you make changes to the object, save it, then makes additional changes and call save() on it AGAIN, it will still work correctly.
– philfreo
Mar 14 '12 at 22:57
17
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Get size of all tables in database
... i.object_id
INNER JOIN
sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id
INNER JOIN
sys.allocation_units a ON p.partition_id = a.container_id
LEFT OUTER JOIN
sys.schemas s ON t.schema_id = s.schema_id
WHERE
t.NAME NOT LIKE 'dt%'
AND t.is_ms_shipped =...
Visual Studio hot keys change occasionally, specifically F6 vs Ctrl-Shift-B for building. WHY?
...gs, then follow this approach.
SOLUTION 1:
Go to "Tools" (menu)
"Import and Export Settings"
"Import selected environment settings"
Either select "Yes, save my current settings" or "No, just import new settings, overwriting my current settings"
"Which collection of settings do you want to import?...