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rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
.../libmysqlclient.18.dylib: Operation not permitted" - Everything is working now and I can finally start my work for the day...Thanks!
– Colin Adams
Jul 25 '16 at 16:36
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how to make a whole row in a table clickable as a link?
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Now try to apply dataTables plugin to this one! :)
– Afonso Gomes
Nov 5 '14 at 15:22
7
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Does Java have something like C#'s ref and out keywords?
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That is not 100% true, If you pass in an array or a class the reference to the array or object is passed in by value, You can change internals to the array or object and it will be reflected in the caller.
– Romain Hippeau
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How to unset a JavaScript variable?
...123 };
var foo = new Foo();
// foo.bar is 123
foo.bar = 456;
// foo.bar is now 456
delete foo.bar;
// foo.bar is 123 again.
So be careful.
EDIT: My answer is somewhat inaccurate (see "Misconceptions" at the end). The link explains all the gory details, but the summary is that there can be big dif...
java.lang.UnsupportedClassVersionError: Bad version number in .class file?
...r when I include an opensource library that I had to compile from source. Now, all the suggestions on the web indicate that the code was compiled in one version and executed in another version (new on old). However, I only have one version of JRE on my system. If I run the commands:
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How do I find which rpm package supplies a file I'm looking for?
...ermining which package provides an installed application (since it may be different than what is in the current yum repository cache), and yum whatprovides <filename> is best suited for determining which package provides a yet-to-be-installed application. Each has their own purpose.
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Allowed memory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php
...emory at any random time during code execution. This had the upside of me now having the world's most memory efficient code, created in the hunt for a memory leak.
– Kris Selbekk
Oct 15 '13 at 18:13
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Resolving ambiguous overload on function pointer and std::function for a lambda using +
...ked up by an argument by Daniel Krügler, this unary + trick should be specified behaviour, i.e. you can rely on it (see discussion in the comments).
Still, I'd recommend using an explicit cast to the function pointer type if you want to avoid the ambiguity: you don't need to ask on SO what is does...
e.printStackTrace equivalent in python
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If you're working inside some kind of container such as Jython and therefore cannot just print the trace, you can format_exc instead to get a string.
– SeldomNeedy
Oct 14 '16 at 4:13
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Efficiently updating database using SQLAlchemy ORM
...d plain SQL in the same transaction. Basically, from one side, ORM data modifications will only hit the database when you flush the changes from your session. From the other side, SQL data manipulation statements don't affect the objects that are in your session.
So if you say
for c in session.que...