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“X does not name a type” error in C++
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When the compiler compiles the class User and gets to the MyMessageBox line, MyMessageBox has not yet been defined. The compiler has no idea MyMessageBox exists, so cannot understand the meaning of your class member.
You need to make sure MyMessageBox is defined bef...
Detecting when user scrolls to bottom of div with jQuery
...tent of the element
So you can take the sum of the first two properties, and when it equals to the last property, you've reached the end:
jQuery(function($) {
$('#flux').on('scroll', function() {
if($(this).scrollTop() + $(this).innerHeight() >= $(this)[0].scrollHeight) {
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sometimes my file just freezes in my vi |vim, what happened?
...~/.bashrc enables Ctrl-q in terminals. In my case, Ctrl-s was freezing Vim and I could not get back to it ... until I made that .bashrc modification. Details here: superuser.com/a/1328326/409327
– Victoria Stuart
Mar 1 at 18:47
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How to prevent blank xmlns attributes in output from .NET's XmlDocument?
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Thanks to Jeremy Lew's answer and a bit more playing around, I figured out how to remove blank xmlns attributes: pass in the root node's namespace when creating any child node you want not to have a prefix on. Using a namespace without a prefix at the ro...
Regular expression for matching latitude/longitude coordinates?
...ates. For matching a double-precision number I've used (\-?\d+(\.\d+)?) , and tried to combine that into a single expression:
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Convert Unix timestamp into human readable date using MySQL
...stamp into a human readable date? I have one field where I save Unix times and now I want to add another field for human readable dates.
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How to draw rounded rectangle in Android UI?
I need to draw a rounded rectangle in the Android UI. Having the same rounded rectangle for TextView and EditText would also be helpful.
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How do I remove/delete a folder that is not empty?
...n I attempt to delete a folder that is not empty. I used the following command in my attempt: os.remove("/folder_name") .
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How to determine if a record is just created or updated in after_save
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It's best to differentiate with an after_update and an after_create. The callbacks can share a common method that takes an argument to indicate if it's a create or update.
– matthuhiggins
Oct 9 '13 at 23:44
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How to read a file in Groovy into a string?
I need to read a file from the file system and load the entire contents into a string in a groovy controller, what's the easiest way to do that?
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