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How to “perfectly” override a dict?
...nsure_lower(maybe_str):
"""dict keys can be any hashable object - only call lower if str"""
return maybe_str.lower() if isinstance(maybe_str, str_base) else maybe_str
Now we implement - I'm using super with the full arguments so that this code works for Python 2 and 3:
class LowerDict(dic...
How to write into a file in PHP?
...ion like:
file_put_contents($filename, $content);
which is identical to calling fopen(), fwrite(), and fclose() successively to write data to a file.
Docs: file_put_contents
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What is the best way to test for an empty string with jquery-out-of-the-box?
...y like to check the given object first if it is a string at all. Otherwise calling .trim() on a not existing object would throw an exception:
function isEmpty(value) {
return typeof value == 'string' && !value.trim() || typeof value == 'undefined' || value === null;
}
Usage:
isEmpty(un...
Hiding axis text in matplotlib plots
...g', dpi=100, bbox_inches='tight', pad_inches=0.0)
I used the tick_params call to basically shut down any extra information that might be rendered and I have a perfect graph in my output file.
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Access an arbitrary element in a dictionary in Python
...that (at best of my knowledge) Python does not guarantee that 2 successive calls to any of these methods will return list with the same ordering. This is not supported with Python3.
in Python 3:
list(my_dict.keys())[0] -> key of "first" element
list(my_dict.values())[0] -> value of "fi...
How to get the ASCII value of a character
...
Why is the function called "ord"?
– eLymar
Aug 1 '18 at 17:10
8
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Make var_dump look pretty
...specially XML trees.
Alternatively, I've once created a small little tool called InteractiveVarDump for this very purpose. It certainly has its limits but it can also be very convenient sometimes. Even though it was designed with PHP 5 in mind.
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What is the strict aliasing rule?
...e have to think about what the strict aliasing rule buys the compiler. Basically, with this rule, it doesn't have to think about inserting instructions to refresh the contents of buff every run of the loop. Instead, when optimizing, with some annoyingly unenforced assumptions about aliasing, it can ...
How can I “pretty print” a Duration in Java?
... If you don't want fractions, add .replaceAll("\\.\\d+", "") before the call to toLowerCase().
– zb226
Mar 13 at 14:55
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“Missing compiler required member” error being thrown multiple times with almost no changes to code
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@Alex I added a class called CompilerService to the root of my project with the code aboce and it worked. Nice!
– Halvard
Mar 11 '16 at 12:33
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