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Send POST request using NSURLSession

...; [request setHTTPMethod:@"POST"]; NSDictionary *mapData = [[NSDictionary alloc] initWithObjectsAndKeys: @"TEST IOS", @"name", @"IOS TYPE", @"typemap", nil]; NSData *postData = [NSJSONSerialization dataWithJSONObject:mapData options:0 error:&error]; [re...
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WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'. Please add a Scrip

...alidationSettings:UnobtrusiveValidationMode: Specifies how ASP.NET globally enables the built-in validator controls to use unobtrusive JavaScript for client-side validation logic. Type: UnobtrusiveValidationMode Default value: None Remarks: If this key value is set to "None" [de...
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What special characters must be escaped in regular expressions?

...nds on the regex flavor you're working with. For PCRE, and most other so-called Perl-compatible flavors, escape these outside character classes: .^$*+?()[{\| and these inside character classes: ^-]\ For POSIX extended regexes (ERE), escape these outside character classes (same as PCRE): .^$*...
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When should I use Debug.Assert()?

...s for a while in C++ and C, but had no idea they existed in C# and .NET at all until recently. 20 Answers ...
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Representing null in JSON

...s of type undefined. JSON2 {"myCount": null} In this case, myCount is actually defined, albeit its value is null. This is not the same as both "not undefined and not null", and if you were testing for one condition or the other, this might succeed whereas JSON1 would fail. This is the definitive wa...
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Tab Vs Space preferences in Vim

...reas with expandtab switched off, pressing the Tab key inserts a the smallest possible number of tab+space characters that matches softtabstop . (Please correct me if I'm wrong.) ...
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Checking if a key exists in a JavaScript object?

... testing whether a key exists. What if the key exists but the value is actually undefined? var obj = { key: undefined }; obj["key"] !== undefined // false, but the key exists! You should instead use the in operator: "key" in obj // true, regardless of the actual value If you want to check if a...
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What is the use of hashCode in Java?

... Buckets aside, hashcode is a method that the object calls to determine the order to store each object in memory. If objects are equal, then their hashcode must also be equal. (converse of this statement is false) – NoName Jun 24 '17 at 6:1...
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Why are empty catch blocks a bad idea? [closed]

...-catch , which people (including Jon Skeet) say empty catch blocks are a really bad idea? Why this? Is there no situation where an empty catch is not a wrong design decision? ...
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Security of REST authentication schemes

...s answer only mentioned SSL in the context of data transfer and didn't actually cover authentication. You're really asking about securely authenticating REST API clients. Unless you're using TLS client authentication, SSL alone is NOT a viable authentication mechanism for a REST API. SSL without ...