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How to solve the “failed to lazily initialize a collection of role” Hibernate exception
...ands of row, guess what happened ? I think it is misleading because it provides too simple of an answer for a problem that mostly beginners will face and soon enough they will have their whole database loaded in memory if they are not careful (and they won't, because they won't be aware of it) :).
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Disable assertions in Python
...t completely what i was thinking about. I would like to disable asserts inside a function during runtime, ideally with some sort of context manager: assertion is evaluated: foo() and switching assertions off: with skip_assertion(): foo(). The benefit of this being that i dont have to add another f...
Get selected subcommand with argparse
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How to use mod operator in bash?
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You must put your mathematical expressions inside $(( )).
One-liner:
for i in {1..600}; do wget http://example.com/search/link$(($i % 5)); done;
Multiple lines:
for i in {1..600}; do
wget http://example.com/search/link$(($i % 5))
done
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Using variables inside a bash heredoc
I'm trying to interpolate variables inside of a bash heredoc:
3 Answers
3
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Ant task to run an Ant target only if a file exists?
...der style, this
gives you additional flexibility,
because you can override the condition
from the command line or parent
scripts:
<target name="-check-use-file" unless="file.exists">
<available property="file.exists" file="some-file"/>
</target>
<target name="use-fi...
How to convert a LocalDate to an Instant?
...R-310 will not select the time-zone for you automatically, so you must provide it.
LocalDate date = LocalDate.now();
Instant instant = date.atStartOfDay(ZoneId.systemDefault()).toInstant();
This example uses the default time-zone of the JVM - ZoneId.systemDefault() - to perform the conversion. Se...
Is generator.next() visible in Python 3?
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any idea why python 2 eschewed the dunder convention for these methods in the first place?
– Rick supports Monica
Mar 29 '16 at 14:47
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Bash Script: count unique lines in file
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I like how -bgr coincidentally looks like a mnemonic for bigger, which is what we want at the top.
– dwanderson
May 11 '18 at 21:44
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How can I launch Safari from an iPhone app?
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