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Why is Hibernate Open Session in View considered a bad practice?
And what kind of alternative strategies do you use for avoiding LazyLoadExceptions?
9 Answers
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Parse JSON in TSQL
...se CLR. It is as simple as that, unless you have a huge masochistic streak and want to write a JSON parser in SQL
Normally, folk ask for JSON output from the DB and there are examples on the internet. But into a DB?
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Changing Locale within the app itself
... I used this question as a starting point for my own locale switching code and found out that the method is not exactly correct. It works, but only until any configuration change (e.g. screen rotation) and only in that particular Activity. Playing with a code for a while I have ended up with the fol...
How are GCC and g++ bootstrapped?
This has been bugging me for a while. How do GCC and g++ compile themselves?
1 Answer
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Why is the Java main method static?
...ntire class - sometimes you have an instance that hasn't been initialized, and you have to check for it in every method that could be called.
There are just too many edge cases and ambiguities for it to make sense for the JVM to have to instantiate a class before the entry point is called. That's ...
How to generate gcc debug symbol outside the build target?
...a .debug extension in a .debug directory. This way I can tar the libraries and executables in one tar file and the .debug directories in another. If I want to add the debug info later on I simply extract the debug tar file and voila I have symbolic debug information.
This is the bash script:
#!/bi...
How to fast-forward a branch to head?
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Doing:
git checkout master
git pull origin
will fetch and merge the origin/master branch (you may just say git pull as origin is the default).
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Literal suffix for byte in .NET?
...re a byte variable in a short way like floats or doubles? I mean like 5f and 5d . Sure I could write byte x = 5 , but that's a bit inconsequential if you use var for local variables.
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Adding days to $Date in PHP
... ' + 1 days'));
echo date('Y-m-d', strtotime($Date. ' + 2 days'));
?>
And it outputs correctly:
2010-09-18
2010-09-19
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Pandas percentage of total with groupby
...calculate the percentage in a simpler way -- just groupby the state_office and divide the sales column by its sum. Copying the beginning of Paul H's answer:
# From Paul H
import numpy as np
import pandas as pd
np.random.seed(0)
df = pd.DataFrame({'state': ['CA', 'WA', 'CO', 'AZ'] * 3,
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