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What is the difference between SessionState and ViewState?

... saved on the server, ViewState is saved in the page. Session state is usually cleared after a period of inactivity from the user (no request happened containing the session id in the request cookies). The view state is posted on subsequent post back in a hidden field. ...
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How can I conditionally require form inputs with AngularJS?

... This feature is documented by now: docs.angularjs.org/api/ng/directive/ngRequired – bjunix May 9 '16 at 11:42 add a comment  |  ...
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upstream sent too big header while reading response header from upstream

... to increase the proxy_buffer_size and the proxy_buffers, or disable it totally (Please read the nginx documentation). Example of proxy buffering configuration http { proxy_buffer_size 128k; proxy_buffers 4 256k; proxy_busy_buffers_size 256k; } Example of disabling your proxy buffer ...
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Cannot deserialize the JSON array (e.g. [1,2,3]) into type ' ' because type requires JSON object (e.

... FYI this didn't work for me because I was getting my JSON from an API and I had the freaking URL wrong for an entire day. >< – w00ngy Oct 5 '18 at 13:14 1 ...
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How do I return multiple values from a function? [closed]

... Well, the design rationale for namedtuple is having a smaller memory footprint for mass results (long lists of tuples, such as results of DB queries). For individual items (if the function in question is not called often) dictionaries and classes are just fine as well. But namedtu...
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Proper SCSS Asset Structure in Rails

... The problem with CSS is, you do not want to automatically add all files. The order of which your sheets are loaded and processed by the browser is essential. So you will always end up explicitly importing all your css. As an example, lets say you have a normalize.css sheet, t...
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Difference between addSubview and insertSubview in UIView class

...array then add in View'slayer - (void)addSubview:(UIView *)subview { [_subviews addObject:subview]; [_layer addSublayer:subview.layer]; } } 2.While insertSubview add your view as subview then call [_layer insertSublayer:subview.layer atIndex:index]; - (void)insertSubview:(UIView *)subv...
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Postgres - FATAL: database files are incompatible with server

...an run the below command to upgrade your postgres data directory retaining all data: brew postgresql-upgrade-database The above command is taken from the output of brew info postgres share | impr...
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How do you set a default value for a MySQL Datetime column?

... need to ALWAYS specify a value for this column or the value will automatically reset itself to "now()" on update. This means that if you do not want the value to change, your UPDATE statement must contain "[your column name] = [your column name]" (or some other value) or the value will become "now(...
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Can I create a One-Time-Use Function in a Script or Stored Procedure?

...nderstand the security implications before you consider this. DECLARE @add_a_b_func nvarchar(4000) = N'SELECT @c = @a + @b;'; DECLARE @add_a_b_parm nvarchar(500) = N'@a int, @b int, @c int OUTPUT'; DECLARE @result int; EXEC sp_executesql @add_a_b_func, @add_a_b_parm, 2, 3, @c = @result OUTPUT; PRI...