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How can I auto-elevate my batch file, so that it requests from UAC administrator rights if required?
... that case the script just proceeds).
Check out this code (I was inspired by the code by NIronwolf posted in the thread Batch File - "Access Denied" On Windows 7?), but I've improved it - in my version there isn't any directory created and removed to check for administrator privileges):
::::::::...
ViewParam vs @ManagedProperty(value = “#{param.id}”)
... if you want the view parameters to survive any validation failures caused by forms enclosed in the view, otherwise you need to manually retain all request parameters for the subsequent requests by <f:param> in the command components.
Example:
<f:metadata>
<f:viewParam id="user_...
Best way to simulate “group by” from bash?
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People looking for "group by" with string concatenation instead of number addition would replace arr[$1,$2]+=$3+$4 with e.g. arr[$1,$2]=(arr[$1,$2] $3 "," $4). I needed this to provide a grouped-by-package list of files (two columns only) and used: ar...
What's an appropriate HTTP status code to return by a REST API service for a validation failure?
...e that HTTP 422 has not made it into HTTP 1.1, RFC-7231.
Richardson and Ruby's RESTful Web Services contains a very helpful appendix on when to use the various HTTP response codes. They say:
400 (“Bad Request”)
Importance: High.
This is the generic client-side error status, used when n...
difference between primary key and unique key
...first point, as it might be take as it is (read one key => one column ) by new comer to sql : )
– ken
Apr 10 '14 at 13:53
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RESTful API methods; HEAD & OPTIONS
...e communication options available on the request/response chain identified by the Request-URI. This method allows the client to determine the options and/or requirements associated with a resource, or the capabilities of a server, without implying a resource action or initiating a resource retrieval...
What is the best way to get all the divisors of a number?
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This is of course dramatically better than dividing by every number up to n/2 or even sqrt(n), but this particular implementation has two drawbacks: quite innefective: tons of multiplication and exponentiation, repeatedly multiplying the same powers etc. Looks Pythonic, but I ...
What's the difference between xsd:include and xsd:import?
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Another difference is that <import> allows importing by referring to another namespace. <include> only allows importing by referring to a URI of intended include schema. That is definitely another difference than inter-intra namespace importing.
For example, the xml sche...
Why do Java webapps use .do extension? Where did it come from?
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To my knowledge, this convention has been spread by Struts1. The user guide puts it like this:
5.4.2 Configure the ActionServlet Mapping
Note: The material in this section is not specific to Struts. The
configuration of servlet mappings is
defined in the Java ...
What is an intuitive explanation of the Expectation Maximization technique? [closed]
...r it is more red or more blue based on the likelihood of it being produced by a parameter. Combine the weights with the data (expectation).
Compute a better estimate for the parameters using the weight-adjusted data (maximisation).
Repeat steps 2 to 4 until the parameter estimate converges (the proc...