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Appending to an empty DataFrame in Pandas?
... I didn't realize that I had to store the output... I probably should have read the documentation better, but I appreciate it, @DSM!
– ericmjl
May 16 '13 at 21:06
9
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What is the Simplest Way to Reverse an ArrayList?
...re trying to access j (the last index of the original ArrayList) but you already removed the object at that index?
– Tony Chan
Nov 7 '14 at 2:51
1
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Entity Framework - Code First - Can't Store List
...it will turn a single entry into multiple entries but it is the easiest to read and most concise.
The problem with CAD bloke's answer is that it is ugly and requires the model to be altered which is a bad design practice (see Marcell Toth's comment on Sasan's answer). But it is the only answer that...
How to specify JVM maximum heap size “-Xmx” for running an application with “run” action in SBT?
...without the -J shown in this answer. I can confirm that this file is being read by the fact that sbt assembly issues a warning regarding -XX:MaxPermSize and when I change that value the warning shows the value I entered and not the "256m" value it showed originally.
– Night Owl...
Passing ssh options to git clone
...er repository.
Similar to $GIT_ASKPASS or $GIT_PROXY_COMMAND, we also read from
config file first then fall back to $GIT_SSH_COMMAND.
This is useful for selecting different private keys targetting the
same host (e.g. github)
core.sshCommand:
If this variable is set, git fetch an...
How to define custom configuration variables in rails
...
or
Rails.configuration.custom_config_variable = :my_config_setting
To read the setting, simply call the configuration variable without setting it:
Rails.configuration.custom_config_variable
=> :my_config_setting
UPDATE Rails 4
In Rails 4 there a new way for this => http://guides.rubyo...
Convert bytes to a string
...
If you don't know the encoding, then to read binary input into string in Python 3 and Python 2 compatible way, use the ancient MS-DOS CP437 encoding:
PY3K = sys.version_info >= (3, 0)
lines = []
for line in stream:
if not PY3K:
lines.append(line)
...
Get TransactionScope to work with async / await
...o integrate async / await into our service bus.
I implemented a SingleThreadSynchronizationContext based on this example http://blogs.msdn.com/b/pfxteam/archive/2012/01/20/10259049.aspx .
...
Is arr.__len__() the preferred way to get the length of an array in Python?
... than calling __len__().
If you are interested in such details, you could read the book called "Fluent Python" by Luciano Ramalho. There're many interesting details in it, and may help you understand Python more deeply.
sha...
python location on mac osx
.../usr/local/bin/ and printed sys.executable. It says /usr/bin/python. but I read the docs and it says that the apple-provided was in /usr/bin/ and the macpython's "A symlink to the Python executable is placed in /usr/local/bin/".
– goh
Jul 25 '11 at 17:13
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