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find vs find_by vs where
...e, you'd use the following syntax:
Model.find_by(name: "Bob")
.where is more of a catch all that lets you use a bit more complex logic for when the conventional helpers won't do, and it returns an array of items that match your conditions (or an empty array otherwise).
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When do you use POST and when do you use GET?
...eting the item. It's far easier to avoid accidents this way.
POST is also more secure than GET, because you aren't sticking information into a URL. And so using GET as the method for an HTML form that collects a password or other sensitive information is not the best idea.
One final note: POST can...
How can I determine the URL that a local Git repository was originally cloned from?
... usually is in .git/config (however for git-submodules the answer is a bit more difficult). Note that strace git config --get remote.origin.url is your friend.
– Tino
Dec 7 '14 at 9:10
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Repeater, ListView, DataList, DataGrid, GridView … Which to choose?
...rying to achieve
Gridview - Limited in design, works like an html table. More in built functionality like edit/update, page, sort. Lots of overhead.
DataGrid - Old version of the Gridview. A gridview is a super datagrid.
Datalist - more customisable version of the Gridview. Also has some overhead...
What are the differences between Helper and Utility classes?
...here are many naming styles to use. I would suggest Utils just because its more common.
A Utility class is understood to only have static methods and be stateless. You would not create an instance of such a class.
A Helper can be a utility class or it can be stateful or require an instance be crea...
Getting an element from a Set
...being mapped. In fact, the whole object 'revolves' around said key. Furthermore, the caller knows said String, but not the object itself; that's exactly why it wants to retrieve it by key. I'm using a Map now of course, but it remains odd behaviour.
– pauluss86
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MySQL: Large VARCHAR vs. TEXT?
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How can I determine what font a browser is actually using to render some text?
...lfred Hughes' answer, Firefox now supports this natively. This article has more details.
This answer original referenced the "Font Finder" plugin, but only because it was from 4 years ago. The fact that old answers linger like this and the community cannot update them is one of the few remaining f...
How do you share code between projects/solutions in Visual Studio?
...mmon code, so I'd like to extract it out and share it between them. Furthermore, I'd like to be able to release that library independently because it might be useful to others.
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Code Golf: Lasers
...when this contest ended, but A. Rex has found a couple ways to shave off 6 more characters:
s!.!$t{$s++}=$&!ge,$s=$r+=99for<>;%d='>.^1<2v3'=~/./g;($r)=grep$d|=$d{$t{$_}},%t;
{$_=$t{$r+=(1,-99,-1,99)[$d^=3*/\\/+m</>]};/[\/\\ ]/&&redo}die/x/?true:false,$/
The first lin...