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Initializing IEnumerable In C#
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Old now, but I would avoid the second option. You might want this to interact with other IEnumerables that are not compatible with arrays.
– Joel Coehoorn
Oct 5 '18 at 14:23
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How to log something in Rails in an independent log file?
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You can create a Logger object yourself from inside any model. Just pass the file name to the constructor and use the object like the usual Rails logger:
class User < ActiveRecord::Base
def my_logger
@@my_logger ||= Logger.new("#{Rails.root}/log/my.log")
end
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Xml Namespace breaking my xpath! [duplicate]
...en defined with a default namespace and this is adopted by all elements inside.
You therefore need to ignore the element namespace like so:
/*[local-name()='List']/*[local-name()='Fields]/*[local-name()='Field]
but this means that the xpath will pick up any other element with List - Fields - Fie...
jQuery textbox change event doesn't fire until textbox loses focus?
...found that jQuery change event on a textbox doesn't fire until I click outside the textbox.
7 Answers
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How to test which port MySQL is running on and whether it can be connected to?
...Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1393/sshd
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 1859/master
tcp 0 0 123.189...
How to determine MIME type of file in android?
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First and foremost, you should consider calling MimeTypeMap#getMimeTypeFromExtension(), like this:
// url = file path or whatever suitable URL you want.
public static String getMimeType(String url) {
String type = null;
String extension = MimeTypeMap....
how to read all files inside particular folder
I want to read all xml files inside a particular folder in c# .net
7 Answers
7
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Disabling the fullscreen editing view for soft keyboard input in landscape?
On Android devices that use soft keyboards, I want to prevent the fullscreen keyboard editing view (shown below) from appearing when in landscape mode (i.e. I want to see only the soft keyboard itself and my view behind it).
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Prevent Default on Form Submit jQuery
...cument).ready(function() {
$('form').on('submit', function(e){
// validation code here
if(!valid) {
e.preventDefault();
}
});
});
Cite: https://api.jquery.com/on/
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Matching an empty input box using CSS
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If only the field is required you could go with input:valid
#foo-thing:valid + .msg { visibility: visible!important; }
<input type="text" id="foo-thing" required="required">
<span class="msg" style="visibility: hidden;">Yay not empty</span>
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