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How do I get the full path to a Perl script that is executing?

I have Perl script and need to determine the full path and filename of the script during execution. I discovered that depending on how you call the script $0 varies and sometimes contains the fullpath+filename and sometimes just filename . Because the working directory can vary as well I can't ...
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How do I UPDATE from a SELECT in SQL Server?

In SQL Server , it is possible to insert rows into a table with an INSERT.. SELECT statement: 35 Answers ...
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avoid page break inside row of table

I want to avoid page break inside row of table in html, when I convert html to PDF by wkhtmltopdf. I use page-break-inside:avoid with table- its works, but I have so many rows, then not work. If set display of tr as block or some thing else then it change the formatting of table and insert double...
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How do I write outputs to the Log in Android?

I want to write some debugging output to the log to review it with logcat. 8 Answers ...
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Functional style of Java 8's Optional.ifPresent and if-not-Present?

In Java 8, I want to do something to an Optional object if it is present, and do another thing if it is not present. 12 A...
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How can I get useful error messages in PHP?

Quite often I will try and run a PHP script and just get a blank screen back. No error message; just an empty screen. The cause might have been a simple syntax error (wrong bracket, missing semicolon), or a failed function call, or something else entirely. ...
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How can I create an executable JAR with dependencies using Maven?

I want to package my project in a single executable JAR for distribution. 31 Answers 3...
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How do I format a date in Jinja2?

Using Jinja2, how do I format a date field? I know in Python I can simply do this: 9 Answers ...
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How can I troubleshoot my Perl CGI script?

I have a Perl script that isn't working and I don't know how to start narrowing down the problem. What can I do? 8 Answers ...
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Reverse a string in Java

I have "Hello World" kept in a String variable named hi . 45 Answers 45 ...