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Concatenate strings in Less
...I thought I ask in case there is a way. The idea is that I have a variable for path to web resource folder:
6 Answers
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How to ignore xargs commands if stdin input is empty?
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For GNU xargs, you can use the -r or --no-run-if-empty option:
--no-run-if-empty
-r If the standard input does not contain any nonblanks, do not run the command. Normally, the command is run once even if th...
Entity Framework: table without primary key
...e introduced is staggering and scary, not to mention the fact that your performance will likely go down the tubes.
Don't work around this. Fix your data model.
EDIT: I've seen that a number of people are downvoting this question. That's fine, I suppose, but keep in mind that the OP asked about m...
Rails migrations: Undo default setting for a column
... problem, that I have an migration in Rails that sets up a default setting for a column, like this example:
4 Answers
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Find difference between timestamps in seconds in PostgreSQL
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Thanks a lot for the answer. It worked !!! In the above query, we are missing a closing parenthesis . But I have figured it out. Thanks a lot for your quick reply.
– Arun
Dec 26 '12 at 10:38
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Assigning default value while creating migration file
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Ok thanks for the reply. I thought it would be great if default migration generator would provide option to handle default values so that I do not have to edit the migration file after being generated in order to specify default value....
Is it possible to adjust x,y position for titleLabel of UIButton?
Is it possible to adjust the x,y position for the titleLabel of a UIButton ?
4 Answers
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What is the difference between gsub and sub methods for Ruby Strings
I have been perusing the documentation for String today, and I saw the :sub method, which I'd never noticed before. I've been using :gsub and it appears that they are essentially the same. Can anyone explain the difference to me? Thanks!
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SQL Server IIF vs CASE
...ical sugar" as initially implemented.
CASE is portable across all SQL platforms whereas IIF is SQL SERVER 2012+ specific.
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When to use IMG vs. CSS background-image?
...on browser scaling to render an image in proportion to text size.
Use IMG
for multiple overlay images in IE6.
Use IMG with a z-index in order
to stretch a background image to fill its entire window.Note, this is no longer true with CSS3 background-size; see #6 below.
Using img instead of backgroun...