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What is the best way to check for Internet connectivity using .NET?
...ininet.dll")]
private extern static bool InternetGetConnectedState(out int Description, int ReservedValue);
public static bool CheckNet()
{
int desc;
return InternetGetConnectedState(out desc, 0);
}
shar...
Create MSI or setup project with Visual Studio 2012
...template for installing windows services. arstechnica.com/civis/viewtopic.php?f=20&t=1190745
– Kiquenet
Jun 10 '14 at 10:15
...
ASP.NET MVC Conditional validation
...ntext)
{
if (IsSenior && string.IsNullOrEmpty(Senior.Description))
yield return new ValidationResult("Description must be supplied.");
}
}
Read more at Introducing ASP.NET MVC 3 (Preview 1).
...
Refresh image with a new one at the same url
... '<img src="image.jpg?m=' . filemtime('image.jpg') . '">';
(That's PHP server-side code, but the important point here is just that a ?m=[file last-modified time] querystring is appended to the filename).
Pros: 100% reliable, quick & easy to understand and implement, and preserves cachin...
Why do we need a fieldset tag?
...ows you to logically group sets of fields in order that your forms be more descriptive. So,
a set of form controls optionally grouped under a common name.
<fieldset>
<legend>Choose your favorite animal</legend>
<input type="radio" id="dog" name="animal">
<...
Make .gitignore ignore everything except a few files
...rder:
For example, ignore everything in folder "application" except index.php and folder "config" pay attention to the order.
You must negate want you want first.
FAILS
application/*
!application/config/*
!application/index.php
WORKS
!application/config/*
!application/index.php
applicatio...
Relative URL to a different port number in a hyperlink?
...9 (replace your port as required)
<div>
<a href="http://<?php print
$_SERVER{'SERVER_NAME'}; ?>:8069"><img
src="images/example.png"/>Example Base (http)</a>
</div>
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...
How to export collection to CSV in MongoDB?
...r 3.0.0-rc10 and later. It changes
Fields string `long:"fields" short:"f" description:"comma separated list of field names, e.g. -f name,age"`
to
Fields string `long:"fields" short:"f" description:"comma separated list of field names (required for exporting CSV) e.g. -f \"name,age\" "`
VERSION...
Change one value based on another value in pandas
...
0 dog hound 5
1 cat ragdoll 1
Below we are adding a new description column as a concatenation of other columns by using the + operation which is overridden for series. Fancy string formatting, f-strings etc won't work here since the + applies to scalars and not 'primitive' values:...
“Cross origin requests are only supported for HTTP.” error when loading a local file
... ... the Ruby Gods say this works as well:
ruby -run -e httpd . -p 8080
PHP
Of course PHP also has its solution.
php -S localhost:8000
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