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django models selecting single field
...er for the opposite effect) to get a queryset of objects only having their id and specified fields:
Employees.objects.only('eng_name')
This will run a single query:
SELECT id, eng_name FROM employees
share
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How to force a view refresh without having it trigger automatically from an observable?
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You can't call something on the entire viewModel, but on an individual observable you can call myObservable.valueHasMutated() to notify subscribers that they should re-evaluate. This is generally not necessary in KO, as you mentioned.
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Get querystring from URL using jQuery [duplicate]
...? I'd suggest stackoverflow.com/questions/901115/… instead, like @Steve did
– Rory
Jun 25 '12 at 8:16
3
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json.dumps vs flask.jsonify
...sonify() handles lists now. See this commit.
– Jeff Widman
Jan 25 '16 at 19:14
3
But it still doe...
Web API Put Request generates an Http 405 Method Not Allowed error
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So, I checked Windows Features to make sure I didn't have this thing called WebDAV installed, and it said I didn't. Anyways, I went ahead and placed the following in my web.config (both front end and WebAPI, just to be sure), and it works now. I placed this inside <s...
How to trigger Autofill in Google Chrome?
... difficult for webmasters to ensure that Chrome and other form-filling providers can parse their form correctly. Some standards exist; but they put onerous burdens on the implementation of the website, so they’re not used much in practice.
(The "standards" they refer to is a more recent verion o...
How to fix “no valid 'aps-environment' entitlement string found for application” in Xcode 4.3?
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If you created your provisioning profile before configuring the app ID for push, try to regenerate the provisioning profile.
iOS Provisioning Portal -> Provisioning -> Your cert -> EDIT -> Make
an edit -> Download new provisioning
Worked for me. Now i'm able to use pus...
How to make an input type=button act like a hyperlink and redirect using a get request? [duplicate]
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There are several different ways to do that -- first, simply put it inside a form that points to where you want it to go:
<form action="/my/link/location" method="get">
<input type="submit" value="Go to my link location"
name="Submit" id="frm1_submit" />
</...
Call UrlHelper in models in ASP.NET MVC
...ccording to routing info
Example:
public class MyModel
{
public int ID { get; private set; }
public string Link
{
get
{
UrlHelper url = new UrlHelper(HttpContext.Current.Request.RequestContext);
return url.Action("ViewAction", "MyModelController...
Asynchronously load images with jQuery
....on('load', function() {
if (!this.complete || typeof this.naturalWidth == "undefined" || this.naturalWidth == 0) {
alert('broken image!');
} else {
$("#something").append(img);
}
});
...