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How to add “active” class to Html.ActionLink in ASP.NET MVC
...n Bootstrap the active class needs to be applied to the <li> element and not the <a>. See the first example here: http://getbootstrap.com/components/#navbar
The way you handle your UI style based on what is active or not has nothing to do with ASP.NET MVC's ActionLink helper. This is th...
Why doesn't django's model.save() call full_clean()?
...matic" validation option which is both simple enough to actually be useful and robust enough to handle all the edge cases is -- if it's even possible -- far more than can be accomplished on the 1.2 timeframe. Hence, for now, Django doesn't have any such thing, and won't have it in 1.2. If you think ...
Launch Bootstrap Modal on page load
... page load inside a jQuery load event on the head section of your document and it should popup, like so:
JS
<script type="text/javascript">
$(window).on('load',function(){
$('#myModal').modal('show');
});
</script>
HTML
<div class="modal hide fade" id="myModal">...
How could I use requests in asyncio?
... can use BaseEventLoop.run_in_executor to run a function in another thread and yield from it to get the result. For example:
import asyncio
import requests
@asyncio.coroutine
def main():
loop = asyncio.get_event_loop()
future1 = loop.run_in_executor(None, requests.get, 'http://www.google.c...
What's the difference between passing by reference vs. passing by value?
...
First and foremost, the "pass by value vs. pass by reference" distinction as defined in the CS theory is now obsolete because the technique originally defined as "pass by reference" has since fallen out of favor and is seldom used ...
How to know what the 'errno' means?
...s useful if you're formatting the error message for something other than standard error output.
For example:
#include <errno.h>
#include <string.h>
/* ... */
if(read(fd, buf, 1)==-1) {
printf("Oh dear, something went wrong with read()! %s\n", strerror(errno));
}
Linux also supp...
Best way to create an empty map in Java
...compared to Collections.emptyMap(). From the Javadoc:
This map behaves and performs comparably to Collections.emptyMap(),
and is preferable mainly for consistency and maintainability of your
code.
2) Map that you can modify:
Maps.newHashMap()
// or:
Maps.<String, String>newHashMap(...
Elegant ways to support equivalence (“equality”) in Python classes
...om classes it is often important to allow equivalence by means of the == and != operators. In Python, this is made possible by implementing the __eq__ and __ne__ special methods, respectively. The easiest way I've found to do this is the following method:
...
Do HttpClient and HttpClientHandler have to be disposed between requests?
System.Net.Http.HttpClient and System.Net.Http.HttpClientHandler in .NET Framework 4.5 implement IDisposable (via System.Net.Http.HttpMessageInvoker ).
...
Why must we define both == and != in C#?
..., you can compile this into a working library. This is legal code for F#, and only overloads the equality operator, not the inequality:
module Module1
type Foo() =
let mutable myInternalValue = 0
member this.Prop
with get () = myInternalValue
and set (value) = myInternalVa...