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Find the similarity metric between two strings
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In a javascript array, how do I get the last 5 elements, excluding the first element?
...want to exclude the first element, use
arr.slice(Math.max(arr.length - 5, 0))
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Catch an exception thrown by an async void method
...od synchronously.
This explanation http://www.interact-sw.co.uk/iangblog/2010/11/01/csharp5-async-exceptions is pretty good - it discusses the steps the compiler takes to achieve this magic.
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How to randomly pick an element from an array
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Chris DennettChris Dennett
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Error: “dictionary update sequence element #0 has length 1; 2 is required” on Django 1.4
...I forgot to put name= on the last argument of the url (or path in Django 2.0+) function call.
For instance, the following functions throw the error from the question:
url(r'^foo/(?P<bar>[A-Za-z]+)/$', views.FooBar.as_view(), 'foo')
path('foo/{slug:bar}/', views.FooBar, 'foo')
But these act...
Internet Explorer 11 detection
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Edit 18 Nov 2016
This code also work (for those who prefer another solution , without using ActiveX)
var isIE11 = !!window.MSInputMethodContext && !!document.documentMode;
// true on IE11
// false on Edge and other IEs/brows...
How do I check if an index exists on a table field in MySQL?
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Insert a string at a specific index
....splice = function(start, delCount, newSubStr) {
return this.slice(0, start) + newSubStr + this.slice(start + Math.abs(delCount));
};
}
Example
String.prototype.splice = function(idx, rem, str) {
return this.slice(0, idx) + str + this.slice(idx + Math.abs(rem));
};
var re...
In which order do CSS stylesheets override?
... last loading CSS is THE MASTER, which will override all css with same css settings
Example:
<head>
<link rel="stylesheet" type="text/css" href="css/reset.css">
<link rel="stylesheet" type="text/css" href="css/master.css">
</head>
reset.css
h1 {
font-size: 20...
Finish an activity from another activity
...P.Also, pass the flag in extra.
Intent i = new Intent(B.this, A.class);
i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
i.putExtra("flag", "modify");
startActivity(i);
finish();
Step3: If the user clicks on Add button start Activity A using the FLAG_ACTIVITY_CLEAR_TOP.Also, pass the flag in extra. FL...