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Why does Date.parse give incorrect results?

...in use for some time). I would recommend that date strings are parsed manually and the Date constructor used with year, month and day arguments to avoid ambiguity: // parse a date in yyyy-mm-dd format function parseDate(input) { let parts = input.split('-'); // new Date(year, month [, day [,...
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Simple explanation of MapReduce?

... Going all the way down to the basics for Map and Reduce. Map is a function which "transforms" items in some kind of list to another kind of item and put them back in the same kind of list. suppose I have a list of numbers: [1,2...
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Why is an int in OCaml only 31 bits?

... This is called a tagged pointer representation, and is a pretty common optimization trick used in many different interpreters, VMs and runtime systems for decades. Pretty much every Lisp implementation uses them, many Smalltalk VMs, m...
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@Media min-width & max-width

...een and (max-device-width: 480px) { /* styles for mobile browsers smaller than 480px; (iPhone) */ } @media only screen and (device-width: 768px) { /* default iPad screens */ } /* different techniques for iPad screening */ @media only screen and (min-device-width: 48...
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How does the Windows Command Interpreter (CMD.EXE) parse scripts?

...s are on either side of a pipe Phase 5.5) Execute Redirection: Phase 6) CALL processing/Caret doubling: Only if the command token is CALL Phase 7) Execute: The command is executed Here are details for each phase: Note that the phases described below are only a model of how the batch parser w...
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Is there an ExecutorService that uses the current thread?

...after is a compatible way to configure the use of a thread pool or not. Ideally the rest of the code should not be impacted at all. I could use a thread pool with 1 thread but that isn't quite what I want. Any ideas? ...
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Why do we need fibers

...Ruby class in Ruby 1.9. These are incredibly useful. In Ruby 1.9, if you call almost any iterator method on the core classes, without passing a block, it will return an Enumerator. irb(main):001:0> [1,2,3].reverse_each => #<Enumerator: [1, 2, 3]:reverse_each> irb(main):002:0> "abc"....
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Is std::vector so much slower than plain arrays?

...d the array only once. Note: when you resize() the vector you are not only allocating the memory but also running through the vector and calling the constructor on each member. Re-Arranging the code slightly so that the vector only initializes each object once: std::vector<Pixel> pixels(di...
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disable all form elements inside div

is there a way to disable all fields (textarea/textfield/option/input/checkbox/submit etc) in a form by telling only the parent div name in jquery/javascript? ...
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jquery - fastest way to remove all rows from a very large table

...eleting would be much faster than insertion. Kind of makes me want to do really ugly stuff like just hide the table and create a new one when I want to update it. – morgancodes Apr 6 '09 at 20:53 ...