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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...
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:
...
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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Why does Twitter Bootstrap Use Pixels for Font Size?
...ully coherent enough. I'll try to blog about these changes as they come up more, but I'm unsure how close 3.0 is and what that will all entail yet.
I would suggest anyone with strong feelings about this go and +1 this thread.
[Update] V3 roadmap oulined in V2.3 release blogpost makes no mention of ...
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.
...
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...
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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Best way in asp.net to force https for an entire site?
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Match linebreaks - \n or \r\n?
...explanation about \r and \n I have to refer to this question, which is far more complete than I will post here: Difference between \n and \r?
Long story short, Linux uses \n for a new-line, Windows \r\n and old Macs \r. So there are multiple ways to write a newline. Your second tool (RegExr) does f...
Adding HTML entities using CSS content
...aped unicode :
Like
.breadcrumbs a:before {
content: '\0000a0';
}
More info on : http://www.evotech.net/blog/2007/04/named-html-entities-in-numeric-order/
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