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Appending to an existing string
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Indeed - and << is also shorter to write AND looks similar to the C++ cout variant. << is beauty!
– shevy
Aug 19 '16 at 18:24
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updating table rows in postgres using subquery
...ubquery
WHERE dummy.address_id=subquery.address_id;
This syntax is not standard SQL, but it is much more convenient for this type of query than standard SQL. I believe Oracle (at least) accepts something similar.
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Unique constraint on multiple columns
...o I add a unique constraint for columns fcode, scode, dcode with t-sql and/or management studio ? fcode, scode, dcode must be unique together.
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Is it possible to open a Windows Explorer window from PowerShell?
...-Item .
It is one of the most common things I type at the PowerShell command line.
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Printing Java Collections Nicely (toString Doesn't Return Pretty Output)
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You could convert it to an array and then print that out with Arrays.toString(Object[]):
System.out.println(Arrays.toString(stack.toArray()));
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What is the simplest way to convert a Java string from all caps (words separated by underscores) to
...figure there must be at least one way to do it using String.replaceAll() and a regex.
19 Answers
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Specifying Maven's local repository location as a CLI parameter
...et the location of the local Maven repository as argument on the Maven command line?
3 Answers
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How to escape a pipe char in a code statement in a markdown table?
... | r
------------|-----
`a += x;` | r1
a &#124;= y; | r2
and produces the following output
Alternatively, you can replace the backticks (`) with a <code></code> markup which fixes the issues more nicely by preserving the rendering
a | r
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Get Unix Epoch Time in Swift
...rking/AlamoFire (github.com/Alamofire/Alamofire) to load currentmillis.com and then parse the html of the page. Note that you have to account for networking delays and check for connectivity. I decided to just use Foundation...
– Chase Roberts
Dec 9 '16 at 20:2...
Validating an XML against referenced XSD in C#
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You need to create an XmlReaderSettings instance and pass that to your XmlReader when you create it. Then you can subscribe to the ValidationEventHandler in the settings to receive validation errors. Your code will end up looking like this:
using System.Xml;
using System.X...