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What's an appropriate HTTP status code to return by a REST API service for a validation failure?
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If "validation failure" means that there is some client error in the request, then use HTTP 400 (Bad Request). For instance if the URI is supposed to have an ISO-8601 date and you find that it's in the wrong format or refers to February 31st, then you would return an HTTP 400. D...
Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error:
...I deployed the service in Windows Server 2008 64 bit version, I got this error:
17 Answers
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How to use NSJSONSerialization
...ame":"Bbb"}]
This might give you a clear picture of how to handle it:
NSError *e = nil;
NSArray *jsonArray = [NSJSONSerialization JSONObjectWithData: data options: NSJSONReadingMutableContainers error: &e];
if (!jsonArray) {
NSLog(@"Error parsing JSON: %@", e);
} else {
for(NSDictionary...
XMLHttpRequest status 0 (responseText is empty)
...rdo I have readyState=4 and status=0 and the server is not running but the error's alert is showed me fast....how much time passes for "request time out"?
– user11751709
Dec 21 '19 at 16:39
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Trusting all certificates with okHttp
... This doesn't work for self-signed certs. Causes a 401 Unauthorized error.
– IgorGanapolsky
Jun 5 '18 at 14:55
5
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ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
...If you are using ubuntu, you have to use the following steps to avoid this error(if there is no replication enabled):
run the command vim /etc/mysql/my.cnf
comment bind-address = 127.0.0.1 using the # symbol
restart your mysql server once.
Update
In Step 1, if you cannot find bind-address in th...
Static/Dynamic vs Strong/Weak
...rly typed operation might cause the program to halt or otherwise signal an error at run time. A primary reason for static typing is to rule out programs that might have such "dynamic type errors".
Strong typing generally means that there are no loopholes in the type system, whereas weak typing m...
Ways to save Backbone.js model data?
...K!
// But you can send back other status like 400 which can trigger an error callback.
});
$app->delete('/donut/:id', function($id) use ($app) {
// Code to delete donut with id, $id
// Bye bye resource
});
So you've almost made the full round trip! Go get a soda. I like Diet Mountai...
Error TF30063: You are not authorized to access … \DefaultCollection
...s TFS after using TFS preview and go back to using TFS preview, I get this error:
33 Answers
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ArrayList vs List in C#
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Using List<T> you can prevent casting errors. It is very useful to avoid a runtime casting error.
Example:
Here (using ArrayList) you can compile this code but you will see an execution error later.
ArrayList array1 = new ArrayList();
array1.Add(1);
array1.Add...