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Get distance between two points in canvas
..., y2)
then you can calculate the difference in x and difference in y, lets call them a and b.
var a = x1 - x2;
var b = y1 - y2;
var c = Math.sqrt( a*a + b*b );
// c is the distance
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imp...
How to make div background color transparent in CSS
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Opacity gives you translucency or transparency. See an example Fiddle here.
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)"; /* IE 8 */
filter: alpha(opacity=50); /* IE 5-7 */
-moz-opacity: 0.5; /* Netscape */
-khtml-opacity: 0.5; /* Safari 1.x */...
How to randomly sort (scramble) an array in Ruby?
...Just wanted to add: if you want to affect the collection add a ! after the call to shuffle. Without the ! the shuffled array is returned, and ripe for a assignment.
– Muyiwa Olu
Jul 17 '16 at 16:13
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Reusing a PreparedStatement multiple times
...in stack from one side and from another data source will give to every new call of executeFunction(==every thread) separate instance of connection. Do I understand you right?"
– Pavel_K
Oct 5 '15 at 8:38
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Get last dirname/filename in a file path argument in Bash
..., which is hosted on our development server. My goal is to try to automatically checkout a copy of the committed project to the directory where it is hosted on the server. However I need to be able to read only the last directory in the directory string passed to the script in order to checkout to...
How can I order a List?
... the answer; if that means changing the type from IList to List so you can call .Sort on it, then why not do that.
– Servy
Apr 18 '12 at 16:33
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Email Address Validation in Android on EditText [duplicate]
How can we perform Email Validation on edittext in android ? I have gone through google & SO but I didn't find out a simple way to validate it.
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Formatting a number with exactly two decimals in JavaScript
...lue[0] + 'e' + (value[1] ? (+value[1] - 2) : -2))).toFixed(2);
}
You can call it with:
round2Fixed(10.8034); // Returns "10.80"
round2Fixed(10.8); // Returns "10.80"
Various examples and tests (thanks to @t-j-crowder!):
function round(value, exp) {
if (typeof exp === 'undefined' ||...
iOS Equivalent For Android Shared Preferences
...common write function and for read create function based on data type. And call your required method from anywhere.
ViewController.swift
// write data
writeAnyData(key: "MY_KEY", value: "MyData")
// read string data
readStringData(key: "MY_KEY"), animated: true)
Utils.swift
// read...
How to prevent that the password to decrypt the private key has to be entered every time when using
...tory.
The problem is that when it tries to clone repository it need to provide the password, because it is not remembered; so because there is no human interaction, it waits forever the password.
How can I force it to remember from id_rsa.pub?
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