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Drop all tables whose names begin with a certain string
... than one in the database.
DECLARE @cmd varchar(4000)
DECLARE cmds CURSOR FOR
SELECT 'drop table [' + Table_Name + ']'
FROM INFORMATION_SCHEMA.TABLES
WHERE Table_Name LIKE 'prefix%'
OPEN cmds
WHILE 1 = 1
BEGIN
FETCH cmds INTO @cmd
IF @@fetch_status != 0 BREAK
EXEC(@cmd)
END
CLOSE cmds;...
Build vs new in Rails 3
In the Rails 3 docs , the build method for associations is described as being the same as the new method, but with the automatic assignment of the foreign key. Straight from the docs:
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Android: how to handle button click
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Question 1:
Unfortunately the one in which you you say is most intuitive is the least used in Android. As I understand, you should separate your UI (XML) and computational functionality (Java Class Files). It also makes for easier debuggin...
How to get a resource id with a known resource name?
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Thankq for your reply .R.drawable.resourcename i am using now i need to get its integer value by passing resourcename
– Aswan
Aug 13 '10 at 11:45
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Aligning textviews on the left and right edges in Android layout
...sp reflect text settings as well as screen density so they're usually only for sizing text items.
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Contain form within a bootstrap popover?
...er replace double quotes around type="text" with single quotes, Like
"<form><input type='text'/></form>"
OR
replace double quotes wrapping data-content with singe quotes, Like
data-content='<form><input type="text"/></form>'
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Select random row from a sqlite table
...ible to seed the random number. e.g. Book of the day seeded with unix epoc for today at noon so it shows the same book all day even if the query is run multiple times. Yes I know caching is more efficient for this use case just an example.
– danielson317
Apr 22...
Javascript - Append HTML to container element without innerHTML
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I thought we're looking for a solution that does not use "innerHTML"
– kennydelacruz
Oct 18 '18 at 21:41
1
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JOIN queries vs multiple queries
...t of things. Jeff Atwood (founder of this site) actually wrote about this. For the most part, though, if you have the right indexes and you properly do your JOINs it is usually going to be faster to do 1 trip than several.
s...
How to use NSJSONSerialization
...;e];
if (!jsonArray) {
NSLog(@"Error parsing JSON: %@", e);
} else {
for(NSDictionary *item in jsonArray) {
NSLog(@"Item: %@", item);
}
}
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