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How to delete all data from solr and hbase

How do I delete all data from solr by command? We are using solr with lily and hbase . 18 Answers ...
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mysql error 1364 Field doesn't have a default values

... Set a default value for Created_By (eg: empty VARCHAR) and the trigger will update the value anyways. create table try ( name varchar(8), CREATED_BY varchar(40) DEFAULT '' not null ); share ...
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How can I use an http proxy with node.js http.Client?

I want to make an outgoing HTTP call from node.js, using the standard http.Client . But I cannot reach the remote server directly from my network and need to go through a proxy. ...
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Node package ( Grunt ) installed but not available

... using grunt , but after running npm install I still can't run the command according to the readme file . It just gives No command 'grunt' found : ...
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CKEditor automatically strips classes from div

...t sees fit whenever I press the source button. For example if I hit source and create a <div> ... 13 Answers ...
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“Auth Failed” error with EGit and GitHub

I've installed EGit plugin at Eclipse Helios and I'm trying to use it with my GitHub account, but when I try to configure it I get an "Auth Failed" error. ...
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Check if a Windows service exists and delete in PowerShell

... More recent versions of PS have Remove-WmiObject, and beware of silent fails for $service.delete() - have added another answer with formatted examples. – Straff May 3 '16 at 23:07 ...
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How to escape @ characters in Subversion managed file names?

..., such as news@11@. svn cares only about the last at sign in the argument, and it is not considered illegal to omit a literal peg revision specifier after that at sign. This workaround even applies to paths that end in an at sign—you would use filename@@ to talk about a file named filename@. ...
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SQL MAX of multiple columns?

...an use the CASE statement: SELECT CASE WHEN Date1 >= Date2 AND Date1 >= Date3 THEN Date1 WHEN Date2 >= Date1 AND Date2 >= Date3 THEN Date2 WHEN Date3 >= Date1 AND Date3 >= Date2 THEN Date3 ELSE Date1 EN...
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Inserting image into IPython notebook markdown

I am starting to depend heavily on the IPython notebook app to develop and document algorithms. It is awesome; but there is something that seems like it should be possible, but I can't figure out how to do it: ...