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How to draw a path on a map using kml file?
Can I parse kml file in order to display paths or points in Android? Please could you help me with that?
4 Answers
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Are there disadvantages to using a generic varchar(255) for all text-based fields?
...se Ruby on Rails migrations map String fields to VARCHAR(255) by default and I never bothered to override it).
7 Answer...
Is there an easy way to convert jquery code to javascript? [closed]
...ery code to regular javascript? I guess without having to access or understand the jQuery source code.
5 Answers
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How to truncate string using SQL server
... Fiddle with Demo.
This will return the first 15 characters of the string and then concatenates the ... to the end of it.
If you want to to make sure than strings less than 15 do not get the ... then you can use:
select
case
when len(col)>=15
then left(col, 15) + '...'
else co...
Why is a “GRANT USAGE” created the first time I grant a user privileges?
I'm new to the admin side of DBMS and was setting up a new database tonight (using MySQL) when I noticed this. After granting a user a privilege for the first time, another grant is created that looks like
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What's the difference between IQueryable and IEnumerable
...ry IEnumerables using the Linq extensions. So what is this IQueryable and how does it differ?
7 Answers
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Creating Unicode character from its number
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That's why I said 'below'! And I need to emphasise that, despite the fact that Java chars only go up to 0xffff, Unicode code points go up to 0xfffff. The Unicode standard got changed after Java was designed. These days Java chars technically hold UTF-1...
How do I push amended commit to the remote Git repository?
When I've worked a bit with my source code, I did my usual thing commit and then I pushed to a remote repository. But then I noticed I forgot to organize my imports in the source code. So I do the amend command to replace the previous commit:
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How do I create a unique constraint that also allows nulls?
...er below.
Prior to SQL Server 2008
You cannot create a UNIQUE constraint and allow NULLs. You need set a default value of NEWID().
Update the existing values to NEWID() where NULL before creating the UNIQUE constraint.
s...
Setting transparent images background in IrfanView
I have some PNG images which consist of a black shape and a transparent background.
Unfortunately, IrfanView shows transparent background as black color, so I see just black on black. I've found in Irfan settings that I can change the window's background color, but it changes only around the image, ...