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Why do people use __(double underscore) so much in C++
I was having a look through some open source C++ code and notice a lot of double under scores where used in the code, mainly at the start of variable names.
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Get list of passed arguments in Windows batch script (.bat)
I'd like to find a Windows batch counterpart to Bash's $@ that holds a list of all arguments passed into a script.
14 An...
Understanding Python super() with __init__() methods [duplicate]
...ple inheritance, where all sorts of fun stuff can happen. See the standard docs on super if you haven't already.
Note that the syntax changed in Python 3.0: you can just say super().__init__() instead of super(ChildB, self).__init__() which IMO is quite a bit nicer. The standard docs also refer to ...
Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
Does javascript use immutable or mutable strings? Do I need a "string builder"?
10 Answers
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Dependency Injection vs Factory Pattern
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The DI pattern does not require any frameworks. You can do DI by manually writing factories which do DI. DI frameworks just make it easier.
– Esko Luontola
Feb 17 '09 at 17:57
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What is the difference between google tag manager and google analytics?
...he "referrer" parameter to figure out which page the visitor is on and can do all the simple stuff like counting page views.
However, you may want to track how many people use a specific feature. Maybe you want to group certain pages together or count some similar but different URLs as being the s...
How can I do something like a FlowLayout in Android?
How can I do something like a FlowLayout in Android?
9 Answers
9
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How to read/process command line arguments?
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The canonical solution in the standard library is argparse (docs):
Here is an example:
from argparse import ArgumentParser
parser = ArgumentParser()
parser.add_argument("-f", "--file", dest="filename",
help="write report to FILE", metavar="FILE")
parser.add_argu...
Reducing MongoDB database file size
I've got a MongoDB database that was once large (>3GB). Since then, documents have been deleted and I was expecting the size of the database files to decrease accordingly.
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How to convert java.sql.timestamp to LocalDate (java8) java.time?
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You can do:
timeStamp.toLocalDateTime().toLocalDate();
Note that timestamp.toLocalDateTime() will use the Clock.systemDefaultZone() time zone to make the conversion. This may or may not be what you want.
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