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What is the reason for having '//' in Python? [duplicate]
I saw this in someone's code:
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LEFT OUTER joins in Rails 3
I have the following code:
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How to view files in binary from bash?
I would like to view the contents of a file in the current directory, but in binary from the command line. How can I achieve this?
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How to initialize List object in Java?
I can not initialize a List as in the following code:
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Verifying that a string contains only letters in C#
I have an input string and I want to verify that it contains:
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Dynamically Changing log4j log level
...figuration will pose a more in depth approach.
LogManager.getRootLogger().setLevel(Level.DEBUG);
The changes are permanent through the life cyle of the Logger. On reinitialization the configuration will be read and used as setting the level at runtime does not persist the level change.
UPDATE: I...
Adding a regression line on a ggplot
...ginal dataframe (in your case data).
It would look like this:
# read dataset
df = mtcars
# create multiple linear model
lm_fit <- lm(mpg ~ cyl + hp, data=df)
summary(lm_fit)
# save predictions of the model in the new data frame
# together with variable you want to plot against
predicted_df &...
LinkedBlockingQueue vs ConcurrentLinkedQueue
...y in many contexts (scenarios of low/medium contention), doing compare-and-sets on atomic references can be much more efficient and this is exactly what many non-blocking data-structures are doing.
Java's ConcurrentLinkedQueue is not only non-blocking, but it has the awesome property that the produ...
Expansion of variables inside single quotes in a command in Bash
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Below is what worked for me -
QUOTE="'"
hive -e "alter table TBL_NAME set location $QUOTE$TBL_HDFS_DIR_PATH$QUOTE"
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Visual Studio Copy Project
I would like to make a copy of my project. I would rather not start doing it from scratch by adding files and references, etc. Please note that I don't mean copy for deployment. Just plain copy.
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