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Why does Double.NaN==Double.NaN return false?

... IEEE double precision floating point standard representation requires a 64 bit word, which may be represented as numbered from 0 to 63, left to right where, S: Sign – 1 bit E: Exponent – 11 bits F: Fraction – 52 bits If E=2047 (all E are 1) and F is nonzero, then V=NaN ("Not a n...
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UUID max character length

... 64 This is the perfect kind of field to define as CHAR 36, by the way, not VARCHAR 36, since each ...
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Getting “unixtime” in Java

...The Java 32-bit int matches 32-bit platforms (and the year 2038 problem). 64-bit platforms use a larger time_t data type. Java dodged that bullet by using a long as the return for System.currentTimeMillis(). If you convert to int, you're re-introducing the year 2038 problem. See en.wikipedia.org...
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Populating a database in a Laravel migration file

... $table->string('email', 255); $table->string('password', 64); $table->boolean('verified'); $table->string('token', 255); $table->timestamps(); }); // Insert some stuff DB::table('users')->insert( array( 'email' =&...
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Best way to remove from NSMutableArray while iterating?

...so for four objects that means 16 bytes (32 bit architecture) or 32 bytes (64 bit). – benzado Jan 8 '14 at 21:01 Note ...
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How to use if - else structure in a batch file?

.../s /q "%sourceMoveDirectory%" ) Great batch file reference: http://ss64.com/nt/if.html share | improve this answer | follow | ...
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Angularjs loading screen on ajax request

... : fixed; z-index: 100; background-image : url('data:image/gif;base64,R0lGODlhNgA3APMAAPz8/GZmZqysrHV1dW1tbeXl5ZeXl+fn59nZ2ZCQkLa2tgAAAAAAAAAAAAAAAAAAACH/C05FVFNDQVBFMi4wAwEAAAAh/hpDcmVhdGVkIHdpdGggYWpheGxvYWQuaW5mbwAh+QQJCgAAACwAAAAANgA3AAAEzBDISau9OOvNu/9gKI5kaZ4lkhBEgqCnws6EApMITb93uOqsRC...
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In PowerShell, how do I define a function in a file and call it from the PowerShell commandline?

... rscrsc 3,64422 gold badges2727 silver badges2828 bronze badges ...
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Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:

... 64 Without code and mappings for your transactions, it'll be next to impossible to investigate the...
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Execution time of C program

...ge/small/negative number over the same piece of code. GCC 4.7 Linux 3.2 AMD64 – user972946 Jun 2 '13 at 1:40 ...