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When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
...sults(final HttpServletRequest request, Principal principal) {
final String currentUser = principal.getName();
}
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How to escape hash character in URL
...hash sign (sometimes known as number sign or pound sign) sent in the query string of a URL?
1 Answer
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Proper way to catch exception from JSON.parse
... the contents of the iframe with json parse...so sometimes it's not a json string
Try this:
if(response) {
try {
a = JSON.parse(response);
} catch(e) {
alert(e); // error in the above string (in this case, yes)!
}
}
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When should use Readonly and Get only properties
...t once during the construction of an object (in the constructor).
private string _name = "Foo"; // field for property Name;
private bool _enabled = false; // field for property Enabled;
public string Name{ // This is a readonly property.
get {
return _name;
}
}
public bool Enabled{ // T...
Getting current directory in .NET web application
...ry of the request being processed.
Note: in C#, @ is the verbatim literal string operator meaning that the string should be used "as is" and not be processed for escape sequences.
Footnotes
Server.MapPath(null) and Server.MapPath("") will produce this effect too.
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BCL (Base Class Library) vs FCL (Framework Class Library)
...iterally that, the base. It contains basic, fundamental types like System.String and System.DateTime.
The Framework Class Library (FCL) is the wider library that contains the totality: ASP.NET, WinForms, the XML stack, ADO.NET and more. You could say that the FCL includes the BCL.
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What is the difference between JavaConverters and JavaConversions in Scala?
...ies | asScala | scala.collection.mutable.Map[String, String]
To use the conversions directly from Java, though, you're better off calling methods from JavaConversions directly; e.g.:
List<String> javaList = new ArrayList<String>(Arrays.asList("a", "b", "c...
Is GET data also encrypted in HTTPS?
...
The URL itself is encrypted, so the parameters in the query string do not travel in plain across the wire.
However, keep in mind that URLs including the GET data are often logged by the webserver, whereas POST data seldom is. So if you're planning to do something like /login/?usernam...
How can I create an array with key value pairs?
...
In PHP arrays are actually maps, where the keys can be either integers or strings. Check out PHP: Arrays - Manual for more information.
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Why do people put code like “throw 1; ” and “for(;;);” in front of json responses? [du
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EDIT
These strings are commonly referred to as an "unparseable cruft" and they are used to patch an information leakage vulnerability that affects the JSON specification. This attack is real world and a vulnerability in gmail was disco...