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What is the proper way to check if a string is empty in Perl?

...trict but I'm updating some old code, so when I add this I get hundreds of errors. I'll probably fix them some day. – Nick Bolton Jan 11 '10 at 23:37 add a comment ...
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How is Generic Covariance & Contra-variance Implemented in C# 4.0?

... a member function like "void Add(T obj)"? The C# 4.0 compiler will report error on that, right? – Morgan Cheng Oct 30 '08 at 1:24 1 ...
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How to convert .pfx file to keystore with private key?

...icate chain length of more than 1. Certain .Net based Web service clients error out(unable to establish trust relationship), if you don't do the above. share | improve this answer | ...
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Reset other branch to current without a checkout

... May cause "remote: error: denying non-fast-forward" – Basilevs Jun 4 '14 at 15:13 3 ...
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Differences between fork and exec

...g the fork call works - if not, no child is created and the parent gets an error code. The exec call is a way to basically replace the entire current process with a new program. It loads the program into the current process space and runs it from the entry point. So, fork and exec are often used i...
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How do I break out of a loop in Scala?

...t are truly unexpected and/or require a drastic escape from the code, i.e. errors of some kind. Quite apart from that, they certainly used to be pretty slow (not sure about the current situation) because there's little reason for JVMs to optimize them. – Jonathan ...
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AngularJS - difference between pristine/dirty and touched/untouched

... I'm looking for a way to clear the form's validation errors. form.$setPristine doesn't do it. I've seen other's suggest form.$setUntouched, but looks like this isn't available in angular 1.3 19 beta, which is the version I'm using. I can however call form.field_name.$setUntouch...
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How to export data as CSV format from SQL Server using sqlcmd?

...ge: bcp {dbtable | query} {in | out | queryout | format} datafile [-m maxerrors] [-f formatfile] [-e errfile] [-F firstrow] [-L lastrow] [-b batchsize] [-n native type] [-c character type] [-w wide character type] [-N keep non-text na...
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RuntimeError on windows trying python multiprocessing

...king that out before trying the above solutions. Why I got this particular error message, Lord knows. share | improve this answer | follow | ...
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How do i put a border on my grid in WPF?

... Hi @ElvinMammadov. Can you describe more. Are you getting any errors? This code works fine to me. – PJ3 Jul 4 '16 at 4:15 ...