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“PKIX path building failed” and “unable to find valid certification path to requested target”
...pe example.cer
chrome - click on site icon left to address in address bar, select "Certificate" -> "Details" -> "Export" and save in format "Der-encoded binary, single certificate".
Now you have file with keystore and you have to add it to your JVM. Determine location of cacerts files, eg.
C...
Using WebAPI or MVC to return JSON in ASP.NET
...Javascript calls.
For example:
You have a JQuery UI Datepicker that upon selection generates a list of radio buttons that represent events on the chosen day.
In this scenario, you could use WebApi to return some JSON and then generate the necessary HTML using Javascript but generally it's bad pra...
How can I discard remote changes and mark a file as “resolved”?
.... is important; passing in a file name (in this case, the whole directory) selects between two different modes of operation of checkout, one which switches branches and one which moves files from the index to the working copy. I agree, it's very confusing. You could also do git checkout --ours -- &l...
How to get a variable name as a string in PHP?
...bug_backtrace();
// read file
$file = file($bt[0]['file']);
// select exact print_var_name($varname) line
$src = $file[$bt[0]['line']-1];
// search pattern
$pat = '#(.*)'.__FUNCTION__.' *?\( *?(.*) *?\)(.*)#i';
// extract $varname from match no 2
$var = preg_replace...
How to prove that a problem is NP complete?
...o NP (that is that given a solution you can verify it in polynomial time)
Select a known NP-complete problem L'
Describe an algorithm f that transforms L' into L
Prove that your algorithm is correct (formally: x ∈ L' if and only if f(x) ∈ L )
Prove that algo f runs in polynomial time
...
Clear icon inside input text
...:0;
padding: 0 8px;
font-style: normal;
font-size: 1.2em;
user-select: none;
cursor: pointer;
}
.clearable input::-ms-clear { /* Remove IE default X */
display: none;
}
<span class="clearable">
<input type="text" name="" value="" placeholder="">
<i class="...
Paging in a Rest Collection
... would identify a concrete resource (be it a resource in a specific state, selection of resources, or discrete result), it goes in the URL. Search queries, pagination, and restful transactions are good examples of this. If its something that is needed to transform the abstract representation to a ...
How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
...eve me, I have seen many cases where CBC is not implemented with proper IV selection). So you will see that I have added bold when Rogaway says something like "confidentiality is not achieved when the IV is a nonce", it means that if you choose your IV cryptographically secure (unpredictable), then...
Database design for audit logging
...n as the FK. You then pull the consolidated record by JOINing like this:
SELECT * FROM Page
JOIN PageContent ON CurrentRevision = Revision AND ID = PageID
There might be some errors up there...this is off the top of my head. It should give you an idea of an alternative pattern, though.
...
Amazon S3 direct file upload from client browser - private key disclosure
... using AWS Signature version 4.
Will summarize here:
As soon as the user selects a file to be uploaded, do the followings:
1. Make a call to the web server to initiate a service to generate required params
In this service, make a call to AWS IAM service to get temporary cred
Once you have the cr...