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What's the difference between echo, print, and print_r in PHP?
...ven, etc.
var_dump is usually more useful than print_r when debugging, in my experience. It's particularly useful when you don't know exactly what values/types you have in your variables. Consider this test program:
$values = array(0, 0.0, false, '');
var_dump($values);
print_r ($values);
With ...
How to find all the subclasses of a class given its name?
...answer so that it no longer uses vars()['Foo'] — so the primary point of my post no longer applies.
FWIW, here's what I meant about @unutbu's answer only working with locally defined classes — and that using eval() instead of vars() would make it work with any accessible class, not only those d...
How to make an immutable object in Python?
...nly look at this answer it seems like I need to have everything which uses my class instantiate named tuples. Thank you for both answers.
– Asaf
Oct 13 '17 at 21:57
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Web deployment task build failed
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Nice. This was the issue in my case. I set the WDeployConfigWriter user's password not to expire and this solved the issue.
– Stan the DBA
Jan 18 '13 at 18:52
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Semicolons superfluous at the end of a line in shell scripts?
... I wrote and was noted about the difference between ";" and "\n" by one of my colleague. Unfortunately, this was a long time ago and I can't remember what it was to post an example here.
– I J
Oct 3 '16 at 12:13
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Why isn't vector a STL container?
...patible - and (thankfully) it does not violate its own principles to (note my scepticism of these:) 'specialise' for 'bool'.
– underscore_d
Dec 19 '15 at 13:53
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How to autosize a textarea using Prototype?
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The backslash in $A(str.split("\n")) needs another. (My edit of the above answer didn't survive for some reason.)
– gherson
Apr 21 '19 at 3:33
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Show a PDF files in users browser via PHP/Perl
I want to show my users PDF files. The reason why I use cgi to show the pdf is I want to track the clicks for the pdf, and cloak the real location of the saved pdf.
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What are forward declarations in C++?
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I can see this allowing the other devs on my team to be really bad citizens of the codebase. If you don't require a comment with the forward declare, like // From Car.h then you can create some hairy situations trying to find a definition down the road, guaranteed.
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How to update bower.json with installed packages?
In my project I've installed bower components without save option. Now, I would like update to bower.json ?
6 Answers
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