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In C#, what happens when you call an extension method on a null object?
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I was referring to the difference between call and callvirt il instructions. In one edit I actually tried to href the two Opcodes pages, but the editor barfed at the links...
– Marc Gravell♦
May 11 '09 at 9:48
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What is a 'multi-part identifier' and why can't it be bound?
...d up rewriting the query, change the order of joins, change some groupings and then it eventually works, but I just don't quite get it.
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How to replace spaces in file names using a bash script
...end a safe solution to recursively replace spaces with underscores in file and directory names starting from a given root directory? For example:
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How can I get a JavaScript stack trace when I throw an exception?
...n simply call: console.trace(); (MDN Reference)
Edit 1 (2013):
A better (and simpler) solution as pointed out in the comments on the original question is to use the stack property of an Error object like so:
function stackTrace() {
var err = new Error();
return err.stack;
}
This will ge...
Android Layout with ListView and Buttons
Alright, this specific layout is just annoying me. And can't seem to find a way to have a listView, with a row of buttons at the bottom so that the listview doesn't extend over top of the buttons, and so the buttons are always snapped to the bottom of the screen. Here's what I want:
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Rails has_and_belongs_to_many migration
I have two models restaurant and user that I want to perform a has_and_belongs_to_many relationship.
4 Answers
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API Keys vs HTTP Authentication vs OAuth in a RESTful API
...ooking to build various things into it that require more controlled access and security. While researching how to go about securing the API, I found a few different opinions on what form to use. I've seen some resources say HTTP-Auth is the way to go, while others prefer API keys, and even others (i...
Converting bytes to megabytes
... it is not correct actually because mega means 1 000 000. There is a new standard name for 220 bytes, it is mebibyte (http://en.wikipedia.org/wiki/Mebibyte) and it gathers popularity.
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improv...
Reading Xml with XmlReader in C#
I'm trying to read the following Xml document as fast as I can and let additional classes manage the reading of each sub block.
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How do you check “if not null” with Eloquent?
...null at deleted field, so I changed this into whereNull('deleted_at') and I got my query running.
– Tarunn
Jun 19 '15 at 12:45
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