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MySQL vs MongoDB 1000 reads
...sts in MySQL with about 20 million records indexed only on a field called 'id'.
7 Answers
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Popstate on page's load in Chrome
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@ChadvonNau excellent idea, and it works a treat - thanks very much!
– sowasred2012
Mar 7 '13 at 12:55
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CSRF protection with CORS Origin header vs. CSRF token
...st" the client browser to safely store user's data and protect the client-side of the session. If you don't trust the client browser, then you should stop using the web at all for anything other than static content. Even with using CSRF tokens, you are trusting the client browser to correctly obey t...
Elements order in a “for (… in …)” loop
...ement the same order as other browsers: code.google.com/p/v8/issues/detail?id=164
– Tim Down
Nov 30 '10 at 23:13
21
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WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'. Please add a Scrip
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You need a web.config key to enable the pre 4.5 validation mode.
More Info on ValidationSettings:UnobtrusiveValidationMode:
Specifies how ASP.NET globally enables the built-in validator controls
to use unobtrusive JavaScript for client-side validation logic.
Type:...
How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
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I was just wrestling with a similar problem myself, but didn't want the overhead of a function. I came up with the following query:
SELECT myfield::integer FROM mytable WHERE myfield ~ E'^\\d+$';
Postgres shortcuts its conditionals, so you shouldn't get any non-integers hitting ...
How do I create multiple submit buttons for the same form in Rails?
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You can create multiple submit buttons and provide a different value to each:
<% form_for(something) do |f| %>
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<%= f.submit 'A' %>
<%= f.submit 'B' %>
..
<% end %>
This will output:
<input type="submit" value="A" id=".." n...
How can I have two fixed width columns with one flexible column in the center?
...x layout with three columns where the left and right columns have a fixed width, and the center column flexes to fill the available space.
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Can I create a named default constraint in an add column statement in SQL Server?
...not put the NOT NULL adjacent to the data type? It may be syntactically valid to put it after the constraint, but it seems confusing to put it there.
– Tullo_x86
Jan 7 '19 at 17:14
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How can I programmatically check whether a keyboard is present in iOS app?
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drawnonward's code is very close, but collides with UIKit's namespace and could be made easier to use.
@interface KeyboardStateListener : NSObject {
BOOL _isVisible;
}
+ (KeyboardStateListener *)sharedInstance;
@property (nonatomic, readonly, getter=isVisible) B...