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How does one reorder columns in a data frame?
... Why does the mtcars[c(1,3,2)] subsetting work? I would have expected an error relating to incorrect dimensions or similar... Shouldn't it be mtcars[,c(1,3,2)]?
– landroni
Aug 30 '15 at 13:07
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HTTP Error 503. The service is unavailable. App pool stops on accessing website
... Viewer click on Windows Logs -> Application.
Now you need to find some ERRORS for source IIS-W3SVC-WP in middle window.
Probably you will see message like:
The Module DLL >>path-to-DLL<< failed to load. The data is the error.
You have to go to Control Panel -> Program and...
How to find a deleted file in the project commit history?
... I found the path with help of the first step, the second step throws this error: unknown revision or path not in the working tree.
– JacobF
Jun 6 '14 at 13:39
6
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android.widget.Switch - on/off event listener?
... then used the setChecked() method to change the state(like in onFailure/onError in API call). Hope that helps.
– deepak kumar
Feb 21 at 9:09
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List all indexes on ElasticSearch server?
I would like to list all indexes present on an ElasticSearch server. I tried this:
22 Answers
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How do I import the javax.servlet API in my Eclipse project?
...tcontainer-specific libraries in a careless attempt to fix the compilation errors:
java.lang.NullPointerException at org.apache.jsp.index_jsp._jspInit
java.lang.NoClassDefFoundError: javax/el/ELResolver
java.lang.NoSuchFieldError: IS_DIR
java.lang.NoSuchMethodError: javax.servlet.jsp.PageContext.ge...
Dropping Unique constraint from MySQL table
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Error Message:"You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(player_id,year,tournament)' at line 1"
– Ankur Mukhe...
What underlies this JavaScript idiom: var self = this?
...lf is now discouraged as window.self exists and has the potential to cause errors if you are not careful.
What you call the variable doesn't particularly matter. var that = this; is fine, but there's nothing magic about the name.
Functions declared inside a context (e.g. callbacks, closures) will...
Fatal error: Class 'SoapClient' not found
I'm trying a simple web service example and I get this error even though I uncommented extension=php_soap.dll in the php.ini file:
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MySQL maximum memory usage
...t to mine and the service refused to start.
– Syntax Error
Mar 4 '15 at 15:16
Nevermind, I moved it under [wampmysqld]...