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What causes and what are the differences between NoClassDefFoundError and ClassNotFoundException?
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The difference from the Java API Specifications is as follows.
For ClassNotFoundException:
Thrown when an application tries to
load in a class through its string
name using:
The forName method in class Class.
The findSyst...
curl : (1) Protocol https not supported or disabled in libcurl
... application/json" --data-binary "{ \"name\":\"Curler\", \"text\": \"Hello from the command line\" }" instead of curl "http://localhost:3030/messages/" -H "Content-Type: application/json" --data-binary '{ "name":"Curler", "text": "Hello from the command line" }'... take note of the single and unesca...
Creating SolidColorBrush from hex color value
I want to create SolidColorBrush from Hex value such as #ffaacc. How can I do this?
6 Answers
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Conditionally start at different places in storyboard from AppDelegate
...s:(NSDictionary *)launchOptions
{
BOOL isLoggedIn = ...; // from your server response
NSString *storyboardId = isLoggedIn ? @"MainIdentifier" : @"LoginIdentifier";
UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"Storyboard" bundle:nil];
UIViewController *ini...
ASP.Net MVC Html.HiddenFor with wrong value
...OSTed value will be used.
One possible workaround is to remove this value from the model state in the controller action which is trying to modify the value:
// remove the Step variable from the model state
// if you want the changes in the model to be
// taken into account
ModelState.Remove("Step...
Rails ActionMailer - format sender and recipient name/email address
...ully validate or escape the name and email, you can end up with an invalid From header by simply concatenating strings. Here is a safe way:
require 'mail'
address = Mail::Address.new email # ex: "john@example.com"
address.display_name = name.dup # ex: "John Doe"
# Set the From or Reply-To header ...
Peak-finding algorithm for Python/SciPy
...graphic) prominence? It is "the minimum height necessary to descend to get from the summit to any higher terrain", as it can be seen here:
The idea is:
The higher the prominence, the more "important" the peak is.
Test:
I used a (noisy) frequency-varying sinusoid on purpose because it sho...
Error: The processing instruction target matching “[xX][mM][lL]” is not allowed
...l in a case-insensitive manner, and remove all but the top XML
declaration from the file.
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What do parentheses surrounding an object/function/class declaration mean? [duplicate]
...those expressions.
It is a useful construct when trying to hide variables from the parent namespace. All the code within the function is contained in the private scope of the function, meaning it can't be accessed at all from outside the function, making it truly private.
See:
http://en.wikipedia...
HTML-encoding lost when attribute read from input field
I’m using JavaScript to pull a value out from a hidden field and display it in a textbox. The value in the hidden field is encoded.
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