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Add EBS to Ubuntu EC2 Instance
...tted EBS volume). They certainly may not be the right steps if you have a completely different situation (EBS volume created from snapshot containing existing filesystem).
– Eric Hammond
Jan 9 '13 at 2:58
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Python pandas Filtering out nan from a data selection of a column of strings
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Static implicit operator
...e:
XmlBase myBase = new XmlBase();
XElement myElement = myBase;
And the compiler won't complain! At runtime, the conversion operator will be executed - passing myBase in as the argument, and returning a valid XElement as the result.
It's a way for you as a developer to tell the compiler:
"ev...
MYSQL Dump only certain rows
...problem wasn't that the column name is outside the quotes. This is a shell command, so you need to write shell syntax for the string date_pulled='2011-05-23'. That means you need to quote or escape the single quote characters, so they're included in the string rather than being interpreted as quotes...
initializing a Guava ImmutableMap
...ffers a nice shortcut for initializing a map. However I get the following compiler error (Eclipse Indigo) when my map initializes to nine entries.
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Java URL encoding of query string parameters
...er =.
String q = "random word £500 bank $";
String url = "https://example.com?q=" + URLEncoder.encode(q, StandardCharsets.UTF_8);
When you're still not on Java 10 or newer, then use StandardCharsets.UTF_8.toString() as charset argument, or when you're still not on Java 7 or newer, then use "UTF-8"...
Why can't I use an alias in a DELETE statement?
In SQL Server Compact Edition in Visual Studio 2010 (maybe SQL Server and SQL in general, I don't know), this command works:
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CATALINA_OPTS vs JAVA_OPTS - What is the difference?
... catalina.sh startup and shutdown script for Tomcat. They are described in comments within that file as:
[JAVA_OPTS]: (optional) Java runtime options used when the "start", "stop" or "run"
command is executed
and
[CATALINA_OPTS]: (optional) Java runtime options
used when the "start" o...
Rails - Nested includes on Active Records?
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