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difference between use and require
...lly there's a programming style which says "namespaces are a honking great idea, we should have more of them" (from "The Zen of Python") -- so e.g. that style recommends not using "using namespace foo;" in C++, so that readers and maintainers of the code won't have to worry "where does this bar come...
What is a 'semantic predicate' in ANTLR?
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actions using plain code.
There are 3 types of semantic predicates:
validating semantic predicates;
gated semantic predicates;
disambiguating semantic predicates.
Example grammar
Let's say you have a block of text consisting of only numbers separated by
comma's, ignoring any white spaces. Yo...
Running a specific test case in Django when your app has a tests directory
...ject.com/en/1.3/topics/testing/#running-tests ) says that you can run individual test cases by specifying them:
6 Answers
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Changing font size and direction of axes text in ggplot2
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True! Corrected per Artem's comment, but I didn't update the image.
– Drew Steen
Nov 3 '16 at 0:22
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Perl flags -pe, -pi, -p, -w, -d, -i, -t?
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-n: Places a non-printing loop around your command.
-e: Allows you to provide the program as an argument rather
than in a file. You don't want to have to create a script
file for every little Perl one-liner.
-i: Modifies your input file in-place (making a backup of the
original). Handy ...
Changing the status bar text color in splash screen iOS 7
...t
View controller-based status bar appearance: NO
Status bar is initially hidden: NO
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What is the EAFP principle in Python?
What is meant by "using the EAFP principle" in Python? Could you provide any examples?
3 Answers
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How to search a specific value in all tables (PostgreSQL)?
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How is this a valid solution for any database that's sufficiently large that you can't dump it to your disk?
– Govind Parmar
Mar 6 '19 at 17:21
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REST response code for invalid data
...r conditional requests when using last-modified date and ETags.
403 - Forbidden is used when the server wishes to prevent access to a resource.
The only other choice that is possible is 422 - Unprocessable entity.
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Numpy how to iterate over columns of array?
... For those wondering, array.T isn't costly, as it just changes the 'strides' of array (see this answer for an interesting discussion)
– drevicko
Sep 22 '14 at 4:03
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