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What are deferred objects?

jQuery 1.5 adds "Deferred Objects". What are they, and what exactly do they do? 4 Answers ...
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Sticky and NON-Sticky sessions

I want to know the difference between sticky- and non-sticky sessions. What I understood after reading from internet: 2 Ans...
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How can I check if a URL exists via PHP?

...t Found') { $exists = false; } else { $exists = true; } From here and right below the above post, there's a curl solution: function url_exists($url) { return curl_init($url) !== false; } share | ...
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Benefits of using the conditional ?: (ternary) operator

What are the benefits and drawbacks of the ?: operator as opposed to the standard if-else statement. The obvious ones being: ...
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When are you truly forced to use UUID as part of the design?

...ur major UUID versions: Version 4 UUIDs are essentially just 16 bytes of randomness pulled from a cryptographically secure random number generator, with some bit-twiddling to identify the UUID version and variant. These are extremely unlikely to collide, but it could happen if a PRNG is used or if ...
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How to build & install GLFW 3 and use it in a Linux project

...g time, about 3 hours in total, partly because I am unfamiliar with CMake, and partly because I am was unfamiliar with GLFW. ...
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Difference between exit(0) and exit(1) in Python

What's the difference between exit(0) and exit(1) in Python? 5 Answers 5 ...
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WSGI vs uWSGi with Nginx [closed]

...Ok, guys this confusion is because of lack of detail from several sources, and the naming of these protocols, and what WSGI actually is. Summary: WSGI and uwsgi both ARE protocols, not servers. It is used to communicate with web servers for load balancing and especially to take advantage of extr...
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SQL: How to properly check if a record exists

...optimize SELECT COUNT(*) anyway, so while there is a difference in theory (and older databases), you shouldn't notice any difference in practice. share | improve this answer | ...
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What is base 64 encoding used for?

I've heard people talking about "base 64 encoding" here and there. What is it used for? 18 Answers ...