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Where does Scala look for implicits?
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558
Types of Implicits
Implicits in Scala refers to either a value that can be passed "automaticall...
AWS S3 copy files and folders between two buckets
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Where are environment variables stored in registry?
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283
Here's where they're stored on XP through Server 2012 R2:
User Variables
HKEY_CURRENT_USER\...
Where are my postgres *.conf files?
I have recently reinstalled postgresql 8.3 on my Ubuntu 8.04 after update. Used EnterpriseDB package. I can connect to the database locally, I see system DB postgres but I can't configure it because I can't find config files. Searched through entire hard drive and found only samples like pg_hba.con...
XML Validation with XSD in Visual Studio IDE
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138
You'll need to associate the XML document in Visual Studio with the XSD file you have.
You sho...
Difference between make and build in Android Studio
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Grzegorz ŻurGrzegorz Żur
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How to check if anonymous object has a method?
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282
typeof myObj.prop2 === 'function'; will let you know if the function is defined.
if(typeof myO...
How to return a result (startActivityForResult) from a TabHost Activity?
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edited Aug 8 '11 at 22:06
Artem Russakovskii
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Adding a column to a data.frame
...- as.factor(your.df$group)
no h_freq h_freqsq group
1 1 0.40998238 0.06463876 1
2 2 0.98086928 0.33093795 1
3 3 0.28908651 0.74077119 1
4 4 0.10476768 0.56784786 1
5 1 0.75478995 0.60479945 2
6 2 0.26974011 0.95231761 2
7 3 0.53676266 0.74370154 2...