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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
...ur browser and add it to cacerts file of your JVM. You can either edit 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 na...
Can Json.NET serialize / deserialize to / from a stream?
...
The current version of Json.net does not allow you to use the accepted answer code. A current alternative is:
public static object DeserializeFromStream(Stream stream)
{
var serializer = new JsonSerializer();
using (var sr = new StreamReader(stream))
u...
Why should the copy constructor accept its parameter by reference in C++?
... reference, it's by value. To do that you make a copy, and to do that you call the copy constructor. But to do that, we need to make a new value, so we call the copy constructor, and so on...
(You would have infinite recursion because "to make a copy, you need to make a copy".)
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How to set size for local image using knitr for markdown?
... using this function is that it is portable in the sense that it works for all document formats that knitr supports, so you do not need to think if you have to use, for example, LaTeX or Markdown syntax, to embed an external image. Chunk options related to graphics output that work for normal R plot...
The server committed a protocol violation. Section=ResponseStatusLine ERROR
...derParsing fixed it for one link, but setting KeepAlive=false fixed it for all 6.
– David Hammond
Sep 17 '12 at 18:15
3
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Eclipse: Can you format code on save?
...checking your eclipse format xml descriptor into source control. That way all members of the team can use it and you don't get to and fro reformatting battles.
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What does passport.session() middleware do?
...r/lib/strategies/session.js
Specifically lines 59-60:
var property = req._passport.instance._userProperty || 'user';
req[property] = user;
Where it essentially acts as a middleware and alters the value of the 'user' property in the req object to contain the deserialized identity of the user. To ...
How to set a cookie for another domain
...ie and redirect to the correct page on b.com
<?php
setcookie('a', $_GET['c']);
header("Location: b.com/landingpage.php");
?>
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What is Linux’s native GUI API?
...heir own APIs to handle windows, events and other OS stuff. I have never really got a clear answer as to what Linux’s equivalent is?
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jQuery: checking if the value of a field is null (empty)
...ype]').val().length != 0){}
If you want to check if the element exist at all, you should do that before calling val:
var $d = $('#person_data[document_type]');
if ($d.length != 0) {
if ($d.val().length != 0 ) {...}
}
s...