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How do I add a delay in a JavaScript loop?
...se(res => setTimeout(res, ms)); }
Reference on MDN
While ES7 is now supported by NodeJS and modern browsers, you might want to transpile it with BabelJS so that it runs everywhere.
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In Vim, is there a way to paste text in the search line?
... copy it to a named register, with "ayy (if the cursor is on that line!).
Now you can execute the contents of the "a" register from Vim's Ex command line with:
:[OPTIONAL_RANGE]@a
I use it all the time.
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How can we access context of an application in Robolectric?
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For the latest Robolectric 4.3 as of right now in 2019 `
ShadowApplication.getInstance()
` and
Roboletric.application
are both depricated. So I am using
Context context = RuntimeEnvironment.systemContext;
to get Context.
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COALESCE Function in TSQL
...If "FieldName" is NULL, populate the field value with the word "EMPTY".
Now for mutliple values...
Coalesce(FieldName1, FieldName2, Value2, Value3)
If the value in Fieldname1 is null, fill it with the value in Fieldname2, if FieldName2 is NULL, fill it with Value2, etc.
This piece of test code f...
Set mouse focus and move cursor to end of input using jQuery
... This works fine with FF and chrome but not in IE.. any one know how to solve this issue in IE ?
– john Smith
Sep 20 '12 at 13:35
1
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Change a Rails application to production
...
This would now be
rails server -e production
Or, more compact
rails s -e production
It works for rails 3+ projects.
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How to check if an object is serializable in C#
...he DataContract attribute. Here is a snippet i use, if it stinks, let me know :)
public static bool IsSerializable(this object obj)
{
Type t = obj.GetType();
return Attribute.IsDefined(t, typeof(DataContractAttribute)) || t.IsSerializable || (obj is IXmlSerializable)
}
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Setting HTTP headers
...t - I used the Set() method on Header() (doh!)
My handler looks like this now:
func saveHandler(w http.ResponseWriter, r *http.Request) {
// allow cross domain AJAX requests
w.Header().Set("Access-Control-Allow-Origin", "*")
}
Maybe this will help someone as caffeine deprived as myself s...
Numpy argsort - what is it doing?
...ing a list of values as
listExample = [0 , 2, 2456, 2000, 5000, 0, 1]
Now we use argsort function:
import numpy as np
list(np.argsort(listExample))
The output will be
[0, 5, 6, 1, 3, 2, 4]
This is the list of indices of values in listExample if you map these indices to the respective valu...
How to get URL parameter using jQuery or plain JavaScript?
I have seen lots of jQuery examples where parameter size and name are unknown.
33 Answers
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