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Python serialization - Why pickle?
I understood that Python pickling is a way to 'store' a Python Object in a way that does respect Object programming - different from an output written in txt file or DB.
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Transpose a data frame
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You'd better not transpose the data.frame while the name column is in it - all numeric values will then be turned into strings!
Here's a solution that keeps numbers as numbers:
# first remember the names
n <- df.aree$name
# transpose all but the first column (name)
df.aree <- as.dat...
onIabPurchaseFinished never called.
I've been trying to set up in-app billing for my first app, and have been using the android.test.purchased sku. The purchase come through, and I manage to get the SKU into my inventory, but, as the title says, onIabPurchaseFinished, is never called.
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How can I make gdb save the command history?
How can I set up gdb so that it saves the command history? When starting a new gdb session I'd like to use the arrow up keys to access the commands of the previous sessions.
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How do you downgrade rubygems?
I have rubygems 1.3.1 installed but I want to go back to 1.2.0. What's the command to downgrade rubygems?
6 Answers
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Adding command line options to CMake
I'm building a large library using CMake, and I would like users to be able to selectively enable/disable certain parts of my build process.
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Get application version name using adb
... easy way to get the version name of an application on an Android device using adb shell?
5 Answers
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Is effective C++ still effective?
From what I saw in this post I decided to start reading the book Effective C++ .
3 Answers
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Rolling back a remote Git repository
...have a remote Git repository, and I need to roll back the last n commits into cold oblivion.
4 Answers
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Why is my xlabel cut off in my matplotlib plot?
I am plotting a dataset using matplotlib where I have an xlabel that is quite "tall" (it's a formula rendered in TeX that contains a fraction and is therefore has the height equivalent of a couple of lines of text).
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