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Drop unused factor levels in a subsetted data frame
...data for just drop.levels yields "gdata: read.xls support for 'XLS' (Excel 97-2004) files ENABLED." "gdata: Unable to load perl libaries needed by read.xls()" "gdata: to support 'XLSX' (Excel 2007+) files." "gdata: Run the function 'installXLSXsupport()'" "gdata: to automatically download and instal...
Reducing Django Memory Usage. Low hanging fruit?
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Carl MeyerCarl Meyer
97.4k1717 gold badges101101 silver badges111111 bronze badges
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Alternatives to gprof [closed]
..._test my_test [.] operator delete(void*)@plt
0.97% my_test my_test [.] operator new(unsigned long)@plt
0.20% my_test my_test [.] main
0.19% my_test [kernel.kallsyms] [k] apic_timer_interrupt
0.16...
jQuery Validate Plugin - How to create a simple custom rule?
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97
$(document).ready(function(){
var response;
$.validator.addMethod(
"uniqueUserN...
What are these ^M's that keep showing up in my files in emacs?
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97
Someone is not converting their line-ending characters correctly.
I assume it's the Windows fo...
In Java, how do I check if a string contains a substring (ignoring case)? [duplicate]
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Vincent RamdhanieVincent Ramdhanie
97.4k2222 gold badges132132 silver badges183183 bronze badges
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Is it possible to download an old APK for my app from Google Play?
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97
Now it is possible. They added "Manage Releases" tab to Google Play Developer Console. From Art...
How to run Rake tasks from within Rake tasks?
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Note that if your tasks are in namespaces, you must include the namespace when you invoke the task. Eg. Rake::Task['db:reset'].invoke
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How do I make an HTML text box show a hint when empty?
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leviklevik
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Copy tables from one database to another in SQL Server
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Amy BAmy B
97.7k2020 gold badges126126 silver badges172172 bronze badges
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