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Ruby, remove last N characters from a string?
What is the preferred way of removing the last n characters from a string?
13 Answers
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Dynamic instantiation from string name of a class in dynamically imported module?
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module = __import__(module, fromlist=[name]) only worked for me.
– umpirsky
Jan 9 '12 at 18:18
16
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How can I lookup a Java enum from its String value?
I would like to lookup an enum from its string value (or possibly any other value). I've tried the following code but it doesn't allow static in initialisers. Is there a simple way?
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Counting inversions in an array
...he only moment when inversions are removed is when algorithm takes element from the right side of an array and merge it to the main array.
The number of inversions removed by this operation is the number of elements left from the the left array to be merged. :)
Hope it's explanatory enough.
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Convert java.time.LocalDate into java.util.Date type
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Date date = Date.from(localDate.atStartOfDay(ZoneId.systemDefault()).toInstant());
That assumes your date chooser uses the system default timezone to transform dates into strings.
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Going from a framework to no-framework [closed]
...ibrary.
Use filter_input_array to declaratively sanitize stuff coming in from the outside.
Access your database via PDO with parameterized SQL to prevent SQL injection attacks.
Use the following PHP settings to make your site more resistant to session fixation and cookie theft:
session.use_only...
How to read a file line-by-line into a list?
...dure mentioned here. The memory usage is far better when each line is read from the file and processed, as suggested by @DevShark here. Holding all lines in a collection object is not a good idea if memory is a constraint or the file is large. The execution time is similar in both the approa...
Executing command line programs from within python [duplicate]
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The subprocess module is the preferred way of running other programs from Python -- much more flexible and nicer to use than os.system.
import subprocess
#subprocess.check_output(['ls', '-l']) # All that is technically needed...
print(subprocess.check_output(['ls', '-l']))
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Calling outer class function from inner class [duplicate]
...lemented a nested class in Java, and I need to call the outer class method from the inner class.
2 Answers
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Javascript: How to generate formatted easy-to-read JSON straight from an object? [duplicate]
I know how to generate JSON from an object using JSON.stringify, or in my case the handy jquery-json from google code ( https://github.com/krinkle/jquery-json ).
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