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How to determine whether an object has a given property in JavaScript
...he in operator.
if ('prop' in obj) {
// ...
}
Eg.:
var obj = {};
'toString' in obj == true; // inherited from Object.prototype
obj.hasOwnProperty('toString') == false; // doesn't contains it physically
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Scala Doubles, and Precision
...
@RexKerr I prefer your string.format way, but in locales s.a. mine (Finnish), care must be taken to fix to ROOT locale. E.g. "%.2f".formatLocal(java.util.Locale.ROOT,x).toDouble . It seems, format uses ',' because of the locale whereas toDouble is ...
ASP.Net MVC Html.HiddenFor with wrong value
...r helper.
public static class CustomExtensions
{
public static MvcHtmlString HiddenFor2<TModel, TProperty>(this HtmlHelper<TModel> htmlHelper, Expression<Func<TModel, TProperty>> expression)
{
ReplacePropertyState(htmlHelper, expression);
return htmlH...
Why doesn't “System.out.println” work in Android?
...t with your log tag it's probably best to define it once as a static final String somewhere.
Log.d(MyActivity.LOG_TAG,"Application started");
There are five one-letter methods in Log corresponding to the following levels:
e() - Error
w() - Warning
i() - Information
d() - Debug
v() - Verbose
wtf...
Open application after clicking on Notification
... });
}
// Notification Function
private void Notification(String notificationTitle,
String notificationMessage) {
NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
android.app.Notification notification...
Check if bash variable equals 0 [duplicate]
...an or equal to NUM2.
For example
if [[ $age > 21 ]] # bad, > is a string comparison operator
if [ $age > 21 ] # bad, > is a redirection operator
if [[ $age -gt 21 ]] # okay, but fails if $age is not numeric
if (( $age > 21 )) # best, $ on age is optional
...
How to suppress scientific notation when printing float values?
...ate
Starting in Python 3.6, this can be simplified with the new formatted string literal, as follows:
>>> f'{a:.20f}'
'-0.00000000000000007186'
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Getting a timestamp for today at midnight?
... get today's date without any references to time, and then pass it to the 'string to time' function which converts a date and time to a epoch timestamp. If it doesn't get a time, it assumes the first second of that day.
References:
Date Function: http://php.net/manual/en/function.date.php
String T...
Is it possible to have nested templates in Go using the standard library?
...}}other{{end}}
And the following map of template sets:
tmpl := make(map[string]*template.Template)
tmpl["index.html"] = template.Must(template.ParseFiles("index.html", "base.html"))
tmpl["other.html"] = template.Must(template.ParseFiles("other.html", "base.html"))
You can now render your "index...
Date only from TextBoxFor()
...Name("Start Date")]
[DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:yyyy-MM-dd}")]
public DateTime StartDate { get; set; }
Then:
<%=Html.EditorFor(m => m.StartDate) %>
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