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What is a regular expression which will match a valid domain name without a subdomain?
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@infensus - While this regex is correct given your specs, your specs are wrong. g.co is a valid domain name but g is only one character.
– sch
Apr 24 '12 at 22:23
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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
... JAVA_HOME/jre/lib/security/cacerts file or run you application with -Djavax.net.ssl.trustStore parameter. Verify which JDK/JRE you are using too as this is often a source of confusion.
See also: How are SSL certificate server names resolved/Can I add alternative names using keytool? If you run int...
Get distance between two points in canvas
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You can do it with pythagoras theorem
If you have two points (x1, y1) and (x2, 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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How can I order a List?
...non-trivial and also needless. It literally gains nothing. It adds complexity to the code, it is less concise, it's less efficient, there is literally nothing but disadvantages here.
– Servy
Aug 29 '14 at 13:54
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postgresql: INSERT INTO … (SELECT * …)
...wrote you can use dblink to connect remote database and fetch result. For example:
psql dbtest
CREATE TABLE tblB (id serial, time integer);
INSERT INTO tblB (time) VALUES (5000), (2000);
psql postgres
CREATE TABLE tblA (id serial, time integer);
INSERT INTO tblA
SELECT id, time
FROM dbli...
CSS to set A4 paper size
... is show on browser (Chrome, specifically). I set the element size to 21cm x 29.7cm, but when I send to print (or print preview) it clip my page.
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ASP.NET MVC3 - textarea with @Html.EditorFor
...ave also form for add news. When VS2010 created default view I have only text inputs for string data, but I want to have textarea for news text. How I can do it with Razor syntax.
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binning data in python with scipy/numpy
...re efficient way to take an average of an array in prespecified bins? for example, i have an array of numbers and an array corresponding to bin start and end positions in that array, and I want to just take the mean in those bins? I have code that does it below but i am wondering how it can be cut d...
Set Viewbag before Redirect
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You can use the TempData in this situation.
Here is some explanation for the ViewBag, ViewData and TempData.
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Maven dependency for Servlet 3.0 API?
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<dependencies>
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-web-api</artifactId>
<version>6.0</version>
<scope>provided</scope>
</dependency>
</dependencies>
This jar includes Servlet ...