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Is there a better alternative than this to 'switch on type'?

...and give a syntax that is similar to a normal switch/case statement. For example, here is TypeSwitch in action on a standard Windows form event TypeSwitch.Do( sender, TypeSwitch.Case<Button>(() => textBox1.Text = "Hit a Button"), TypeSwitch.Case<CheckBox>(x => textBox1...
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How to wait 5 seconds with jQuery?

... return $target.delay(duration).queue(function(next){completeCallback && completeCallback.call($target); next();}); } $.fn.wait = function(duration, completeCallback) { return $.wait.call(this, duration, completeCallback, this); }; })(jQuery); //TEST $(function() {...
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Show diff between commits

... Try git diff k73ud^..dj374 to make sure to include all changes of k73ud in the resulting diff. git diff compares two endpoints (instead of a commit range). Since the OP want to see the changes introduced by k73ud, he/she needs to difference between the first parent commit of...
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Any decent text diff/merge engine for .NET? [closed]

...f viewer based on the Diff.Sections collection: http://www.eqqon.com/index.php/GitSharp#GitSharp.Demo share | improve this answer | follow | ...
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Postgres NOT in array

...indexes. If indexes are in mind: SELECT COUNT(*) FROM "messages" WHERE 3 && recipient_ids and the negative: SELECT COUNT(*) FROM "messages" WHERE NOT (3 && recipient_ids) An index can then be created like: CREATE INDEX recipient_ids_idx on tableName USING GIN(recipient_ids) ...
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JavaScript null check

... data !== null && data !== undefined would make sense, though. – bfavaretto May 21 '13 at 14:41 ...
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Why does make think the target is up to date?

...going to be part of issue 8 of the POSIX standard austingroupbugs.net/view.php?id=523 – osvein Jul 29 '17 at 9:31  |  show 1 more comment ...
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What does the constant 0.0039215689 represent?

...modern compilers may be smart enough to do this optimization, they are not allowed to do it unless you explicitly tell them to via a compiler flag. Related: Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)? share ...
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How to validate IP address in Python? [duplicate]

... on Linux and Windows shortened addresses are considered acceptable. For example, socket.inet_aton('127.1') evaluates to '\x7f\x00\x00\x01' (i.e. exactly like '127.0.0.1' does). I've had this tiresome and lengthy discussion elsewhere on SO, can't bother to remember where, though. ...
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How does the C code that prints from 1 to 1000 without loops or conditional statements work?

...ode like that. For j<1000, j/1000 is zero (integer division). So: (&main + (&exit - &main)*(j/1000))(j+1); is equivalent to: (&main + (&exit - &main)*0)(j+1); Which is: (&main)(j+1); Which calls main with j+1. If j == 1000, then the same lines comes out as...