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How to prevent IFRAME from redirecting top-level window

Some websites have code to "break out" of IFRAME enclosures, meaning that if a page A is loaded as an IFRAME inside an parent page P some Javascript in A redirects the outer window to A . ...
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Why does Oracle 9i treat an empty string as NULL?

...'t do much to tell me why this is the case. As I understand the SQL specifications, ' ' is not the same as NULL -- one is a valid datum, and the other is indicating the absence of that same information. ...
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Updating packages in Emacs

I have the following setup for packages (not sure if there is a better recommended one): 4 Answers ...
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window.location.reload with clear cache [duplicate]

...o your head: <meta http-equiv="Cache-control" content="no-cache"> If you want to remove the document from cache, expires meta tag should work to delete it by setting its content attribute to -1 like so: <meta http-equiv="Expires" content="-1"> http://www.metatags.org/meta_http_equi...
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How do you round UP a number in Python?

... does not have strongly-typed variables) and the function returns a float. If you want an int, you can construct an int from the return value, i.e., int(math.ceil(363)) – R. W. Sinnet Aug 26 '15 at 23:37 ...
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nodejs get file name from absolute path?

If there any API could retrieve file name from an absolute file path? 7 Answers 7 ...
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#ifdef in C#

... #if DEBUG bool bypassCheck=TRUE_OR_FALSE;//i will decide depending on what i am debugging #else bool bypassCheck = false; //NEVER bypass it #endif Make sure you have the checkbox to define DEBUG checked in your build propert...
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Super-simple example of C# observer/observable with delegates

I recently started digging into C# but I can't by my life figure out how delegates work when implementing the observer/observable pattern in the language. ...
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AngularJS HTTP post to PHP and undefined

...$email = $request->email; $pass = $request->password; Alternately, if you are heavily relying on $_POST functionality, you can form a query string like email=someemail@email.com&password=somepassword and send that as data. Make sure that this query string is URL encoded. If manually buil...
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How can I return NULL from a generic method in C#?

... Two options: Return default(T) which means you'll return null if T is a reference type (or a nullable value type), 0 for int, '\0' for char, etc. (Default values table (C# Reference)) Restrict T to be a reference type with the where T : class constraint and then return null as normal ...