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Redirect stdout pipe of child process in Go
...u can simply set cmd.Stdin = os.Stdin thereby making it as if you had literally executed that command from your shell.
– Nucleon
May 28 '14 at 0:49
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How to redirect 404 errors to a page in ExpressJS?
...isionmedia/express/blob/master/examples/error-pages/index.js
So it is actually this part:
// "app.router" positions our routes
// above the middleware defined below,
// this means that Express will attempt
// to match & call routes _before_ continuing
// on, at which point we assume it's a 404...
Python using enumerate inside list comprehension
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Just to be really clear, this has nothing to do with enumerate and everything to do with list comprehension syntax.
This list comprehension returns a list of tuples:
[(i,j) for i in range(3) for j in 'abc']
this a list of dicts:
[{i:...
Adding a new value to an existing ENUM Type
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It's worth mentioning that this can all be done in a single transaction, so it's mostly safe to do it in a production database.
– David Leppik
Jul 8 '11 at 20:41
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How to count occurrences of a column value efficiently in SQL?
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If you're using Oracle, then a feature called analytics will do the trick. It looks like this:
select id, age, count(*) over (partition by age) from students;
If you aren't using Oracle, then you'll need to join back to the counts:
select a.id, a.age, b.age_co...
How to compare two dates?
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@Emadpres: imagine this was typed manually. The past line was typed first, while the present line was typed second... so the past line was entered first, so past < present is True.
– ramcdougal
Mar 20 '17 at 15:50
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What is difference between cacerts and keystore?
...he keystore. (Confusingly, the same file format is used for both and it's called a keystore file.)
– Marquis of Lorne
Jul 29 '13 at 23:44
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Test if a class has an attribute?
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to only check if the attribute is present, which is usually all that is needed for parameterless/propertyless attributes, it's cheaper to use .IsDefined, as it will query the metadata, and not deserialize and instantiate the attribute object.
– Lasse V. Karl...
CSS table column autowidth
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Instead of manually adding the '.last' class, you can just do 'td:last-child' as the selector.
– T.Ho
Feb 13 '13 at 0:34
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Aligning a float:left div to center?
I want to have a group of images display horizontally across the page. Each image has a few link below it so I need to put a container around each image/link-group.
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