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'is' versus try cast with null check
...y MyType and doesn't need to be cast again
...
}
C# 7.0 supports a more compact syntax using pattern matching:
if (myObj.myProp is MyType myObjRef)
{
...
}
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Which is better in python, del or delattr?
...
The first is more efficient than the second. del foo.bar compiles to two bytecode instructions:
2 0 LOAD_FAST 0 (foo)
3 DELETE_ATTR 0 (bar)
whereas delattr(foo, "bar") takes five:
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Call a “local” function within module.exports from another function in module.exports?
...level of indirection, and while it can be desirable sometimes, it makes it more complicated, to refactor, e.g. rename the function, of find usage of the function, etc.
– Pierre Henry
Sep 21 '15 at 14:48
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How can I strip first X characters from string using sed?
...want to strip first X characters from the line, so only 1234 stays. I have more variables I need to "clean", so I need to cut away X first characters and ${string:5} doesn't work for some reason in my system.
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How do I set a variable to the output of a command in Bash?
... Curly braces can be used when the variable is immediately followed by more characters which could be interpreted as part of the variable name. e.g. ${OUTPUT}foo. They are also required when performing inline string operations on the variable, such as ${OUTPUT/foo/bar}
– ...
Test whether a glob has any matches in bash
...expanded into matches.
Exit status is:
1 for no-match,
0 for 'one or more matches'
stdout is a list of files matching the glob.
I think this is the best option in terms of conciseness and minimizing potential side effects.
UPDATE: Example usage requested.
if compgen -G "/tmp/someFiles*" &g...
Match whitespace but not newlines
...fectly for my use case which was doing a find/replace in Notepad++ on 1 or more contiguous non-new-line spaces. Nothing else (simple) worked.
– squidbe
Mar 10 '15 at 20:35
8
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How to round a number to significant figures in Python
... I have created a package that does this now and is probably easier and more robust than this one. Post Link, Repo Link. Hope this helps!
– William Rusnack
May 23 '17 at 12:09
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How can I make Bootstrap columns all the same height?
...lt;div class="col-md-4" style="background-color: green">
some more content
</div>
</div>
</div>
Solution 1 using negative margins (doesn't break responsiveness)
Demo
.row{
overflow: hidden;
}
[class*="col-"]{
margin-bottom: -99999px;
padd...