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Understanding the ngRepeat 'track by' expression
...del.com/blog/… short version of the explanation here docs.angularjs.org/error/ngRepeat/dupes
– Annapoorni D
Jul 10 '14 at 7:35
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Filter dict to contain only certain keys?
...
Throws a KeyError if one of the filer keys is not present in old_dict. I would suggest {k:d[k] for k in filter if k in d}
– Peter Gibson
Jun 28 '12 at 1:53
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How to vertically align text inside a flexbox?
...oxes... really helps clarify why some effects you can achieve by trial and error work the way they do.
– squarecandy
Sep 23 '19 at 16:58
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How do I check if an element is hidden in jQuery?
... be useful in many cases, especially when you need to find if there is any error divs visible in the hidden parent because in such conditions :visible will not work.
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What is process.env.PORT in Node.js?
...is your static setting, then your application will result in a 500 gateway error because Amazon is configuring the port for you.
This is a minimal Express application that will deploy on Amazon's Elastic Beanstalk:
var express = require('express');
var app = express();
app.get('/', function (req,...
Why doesn't java.lang.Number implement Comparable? [duplicate]
...lues are equal is tricky and has to be done within an acceptable margin of error. Try code like:
double d1 = 1.0d;
double d2 = 0.0d;
for (int i=0; i<10; i++) {
d2 += 0.1d;
}
System.out.println(d2 - d1);
and you'll be left with some small difference.
So back to the issue of making Number Co...
Get img thumbnails from Vimeo?
...how to do the same thing in ASP.NET using C#. Feel free to use a different error catch image :)
public string GetVimeoPreviewImage(string vimeoURL)
{
try
{
string vimeoUrl = System.Web.HttpContext.Current.Server.HtmlEncode(vimeoURL);
int pos = vimeoUrl.LastIndexOf(".com");
...
JavaScript :How to set a Conditional Break Point in Chrome debugger tools
...debugger calls in production code. (I'm pretty sure linting will throw an error if debugger is around, but it's worth calling out whenever the topic is raised).
– Crispen Smith
Oct 18 '14 at 22:32
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Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]
.../
.demoimage {}
/* Not recommended: uses underscore instead of hyphen */
.error_status {}
/* Recommended */
#video-id {}
.ads-sample {}
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follo...
Converting Go struct to JSON
...ype User struct {
name string
}
func (u *User) MarshalJSON() ([]byte, error) {
return json.Marshal(&struct {
Name string `json:"name"`
}{
Name: "customized" + u.name,
})
}
func main() {
user := &User{name: "Frank"}
b, err := json.Marshal(user...