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Can I install Python 3.x and 2.x on the same Windows computer?
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This launcher was available as standalone program at least since mid 2012.
– Smit Johnth
Jun 18 '16 at 19:28
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For i = 0, why is (i += i++) equal to 0?
...ore thorough decomposition of i += i++ to the parts it is made of requires one to know that both += and ++ are not atomic (that is, neither one is a single operation), even if they look like they are. The way these are implemented involve temporary variables, copies of i before the operations take p...
Django DB Settings 'Improperly Configured' Error
...ings, Django doesn't know what project you want to work on. You have to do one of these things:
Use python manage.py shell
Use django-admin.py shell --settings=mysite.settings (or whatever settings module you use)
Set DJANGO_SETTINGS_MODULE environment variable in your OS to mysite.settings
(This ...
Hash Code and Checksum - what's the difference?
...s are easy to compute, and can detect many types of data corruptions (e.g. one, two, three erroneous bits).
A hashcode simply describes a mathematical function that maps data to some value. When used as a means of indexing in data structures (e.g. a hash table), a low collision probability is desir...
Should switch statements always contain a default clause?
In one of my first code reviews (a while back), I was told that it's good practice to include a default clause in all switch statements. I recently remembered this advice but can't remember what the justification was. It sounds fairly odd to me now.
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JavaScript single line 'if' statement - best syntax, this alternative? [closed]
It's been clearly put, although opinion none the less, that forgoing curly brackets on a single line if statement is not ideal for maintainability and readability.
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Primary key/foreign Key naming convention [closed]
...hrough filibuster style endurance based last-man-standing arguments.
Pick one and tell them to focus on issues that actually impact your code.
EDIT: If you want to have fun, have them specify at length why their method is superior for recursive table references.
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What is (functional) reactive programming?
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Denotational semantics gave me a precise framework for this question, and one that fits my aesthetics (unlike operational or axiomatic semantics, both of which leave me unsatisfied).
So I asked myself what is behavior?
I soon realized that the temporally discrete nature of imperative computation is...
Join vs. sub-query
...QL user and have always preferred JOIN over sub-query. But nowadays everyone uses sub-query, and I hate it; I don't know why.
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Get current directory name (without full path) in a Bash script
...o distinguish them from local variables, which should always have at least one lower-case character). result=${PWD#*/} does not evaluate to /full/path/to/directory; instead, it strips only the first element, making it path/to/directory; using two # characters makes the pattern match greedy, matching...