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How to implement __iter__(self) for a container object (Python)
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If your object contains a set of data you want to bind your object's iter to, you can cheat and do this:
>>> class foo:
def __init__(self, *params):
self.data = params
def __iter__(self):
if hasattr(self.data[0], "...
Is “inline” without “static” or “extern” ever useful in C99?
...way that it can be implemented with existing linker
technology, and a subset of C99 inlining is compatible with C++. This was achieved by requiring that exactly one translation unit containing the definition of an inline function be
specified as the one that provides the external definition for ...
How to restore to a different database in sql server?
... Hi, I seem to be missing something, it keeps throwing the error backkup set holds a backup of a database other than existing "tmp" database, which, I understand. Should the to phrase be the actual physical path of MyTempCopy ?
– LocustHorde
Jun 7 '11 at 15:2...
python exception message capturing
This doesn't seem to work, I get syntax error, what is the proper way of doing this for logging all kind of exceptions to a file
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Why is XOR the default way to combine hashes?
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Assuming uniformly random (1-bit) inputs, the AND function output probability distribution is 75% 0 and 25% 1. Conversely, OR is 25% 0 and 75% 1.
The XOR function is 50% 0 and 50% 1, therefore it is good for combining uniform probabilit...
cannot download, $GOPATH not set
...run it in your shell, then add it to ~/.bashrc or equivalent so it will be set for you in the future. Go will install packages under src/, bin/, and pkg/, subdirectories there. You'll want to put your own packages somewhere under $GOPATH/src, like $GOPATH/src/github.com/myusername/ if you want to pu...
How can I read a whole file into a string variable
... editor after snippets, if snippets enabled
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Selecting/excluding sets of columns in pandas [duplicate]
...D from df:
df2 = df[df.columns.difference(['B', 'D'])]
Note that it's a set-based method, so duplicate column names will cause issues, and the column order may be changed.
Advantage over drop: you don't create a copy of the entire dataframe when you only need the list of columns. For instance,...
What is a pre-revprop-change hook in SVN, and how do I create it?
... and save it in the \hooks subdirectory for your repository.
@ECHO OFF
:: Set all parameters. Even though most are not used, in case you want to add
:: changes that allow, for example, editing of the author or addition of log messages.
set repository=%1
set revision=%2
set userName=%3
set propertyN...
GIT clone repo across local file system in windows
...to GIT. I have been just taking my first steps over the last few days. I setup a repo on my laptop, pulled down the Trunk from an SVN project (had some issues with branches, not got them working), but all seems ok there.
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