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Regular expression \p{L} and \p{N}
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\p{L} matches a single code point in the category "letter".
\p{N} matches any kind of numeric character in any script.
Source: regular-expressions.info
If you're going to work with regular expressions a lot, I'd suggest bookmarking that site, it's very useful.
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IntelliJ IDEA: Running a shell script as a Run/Debug Configuration
Is there a way by which a shell script can be invoked from IntelliJ Run/Debug configurations?
4 Answers
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is guava-libraries available in maven repo?
...as includes libraries from various repositories. Here's Google Guava.
You can click on "Set me up!" to get the instructions on how to configure your build tool to resolve from JCenter and on the "i" on a jar file to get the dependency declaration for your build tool.
You can also become a watcher...
How to execute an external program from within Node.js?
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var exec = require('child_process').exec;
exec('pwd', function callback(error, stdout, stderr){
// result
});
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Using “like” wildcard in prepared statement
...con.prepareStatement(
"SELECT * FROM analysis WHERE notes LIKE ? ESCAPE '!'");
pstmt.setString(1, notes + "%");
or a suffix-match:
pstmt.setString(1, "%" + notes);
or a global match:
pstmt.setString(1, "%" + notes + "%");
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How do I pass parameters to a jar file at the time of execution?
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To pass arguments to the jar:
java -jar myjar.jar one two
You can access them in the main() method of "Main-Class" (mentioned in the manifest.mf file of a JAR).
String one = args[0];
String two = args[1];
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Difference between as.POSIXct/as.POSIXlt and strptime for converting character vectors to POSIXct/PO
... to POSIXlt. It tries to be intelligent and do the sensible thing - in the case of character, it acts as a wrapper to strptime.
as.POSIXct converts a variety of data types to POSIXct. It also tries to be intelligent and do the sensible thing - in the case of character, it runs strptime first, then ...
How to get Scala List from Java List?
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EDIT: Note that this is deprecated since 2.12.0. Use JavaConverters instead. (comment by @Yaroslav)
Since Scala 2.8 this conversion is now built into the language using:
import scala.collection.JavaConversions._
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lst.toList.foreach{ node => ......
Is there a way to pass the DB user password into the command line tool mysqladmin?
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Wow... real intuitive... Space between -h localhost and -u root but not -pPASSWORD. Classic programmers making everything harder than necessary.
– Kolob Canyon
Mar 5 '16 at 22:32
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What is Erlang written in?
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Erlang itself is written in Erlang. Sounds strange? Yes, because it is only partially true. OK look at it in more detail:
Erlang preprocessor is written in Erlang.
Erlang parser is written in Erlang.
Erlang compiler to BEAM (byte-code VM) is written in Erlang.
Erlang compiler to Hi...