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Does functional programming replace GoF design patterns?
...in Java) are workarounds for the missing features in imperative languages. One article I found makes a fairly strong claim :
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When is assembly faster than C?
One of the stated reasons for knowing assembler is that, on occasion, it can be employed to write code that will be more performant than writing that code in a higher-level language, C in particular. However, I've also heard it stated many times that although that's not entirely false, the cases wh...
Best way to simulate “group by” from bash?
Suppose you have a file that contains IP addresses, one address in each line:
14 Answers
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Localization and internationalization, what's the difference?
... (i18n)the process of changing your software so that it isn't hardwired to one language/locale/culture.
Localization (l10n)the process of adding the appropriate resources to your software so that a particular language/locale is supported. It's bigger in scope than just this Wikipedia entry, but it...
How to trim whitespace from a Bash variable?
...e single expression could be made conditional, with |, so as to keep it as one single expression, rather than several.
– Victor Zamanian
Apr 9 '14 at 13:59
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What's the simplest way to list conflicted files in Git?
...Pacerier, it's just messier. If you had a million unconflicting merges and one conflicting merge, you'd want something succinct for output.
– xster
Jan 7 '16 at 20:50
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How to print a dictionary's key?
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This is the one answer I know isn't right, since the OP said, "I don't want all the keys listed."
– Ned Batchelder
May 6 '11 at 0:58
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Upgrade python packages from requirements.txt using pip command
... I found helpful to do the following. 1. Deleted venv 2. Created a new one with the same name (the way to clean all pip packages) 3. Replace all == to >= in the requirements.txt 4. pip install -r requirements.txt 4.
– zhukovgreen
Jul 28 '17 at 5:17
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Hashing a file in Python
...d5.hexdigest()))
print("SHA1: {0}".format(sha1.hexdigest()))
What we've done is we're updating our hashes of this bad boy in 64kb chunks as we go along with hashlib's handy dandy update method. This way we use a lot less memory than the 2gb it would take to hash the guy all at once!
You can test ...
How to Join to first row
...t TOP 1 without ORDER BY is not deterministic: this query you will get you one line item per order, but it is not defined which one will it be.
Multiple invocations of the query can give you different line items for the same order, even if the underlying did not change.
If you want deterministic o...