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How to pull a random record using Django's ORM?

...['count'] random_index = randint(0, count - 1) return self.all()[random_index] share | improve this answer | follow | ...
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What is the reason why “synchronized” is not allowed in Java 8 interface methods?

...t seem sensible to extend this semantics to default methods as well; after all, they are instance methods with a receiver too. (Note that synchronized methods are entirely a syntactic optimization; they're not needed, they're just more compact than the corresponding synchronized block. There's a r...
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How to print third column to last column?

... Note that this only works if the delimiter is exactly the same between all columns... For example, you can't use cut with a delimiter like \d+. (That I know of.) – Zach Wily Jan 13 '10 at 21:11 ...
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技术和资本玩转创客圈 英特尔在中国的动作才刚刚开始 - 资讯 - 清泛网 - 专...

...能成为落地商品的。SKIIN可以识别滑雪者的动作,上传至APP随时回放,并与顶级滑雪运动员的标准动作进行比较,在社区中与其他滑雪爱好者分享经验。 智能滑雪板SKIIN的女创客 对于未来创意原型的落地,英特尔将用新推...
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jQuery Ajax File Upload

...ed. E.g. through FormData object, but unfortunately it is not supported by all/old browsers. FormData support starts from following desktop browsers versions. IE 10+ Firefox 4.0+ Chrome 7+ Safari 5+ Opera 12+ For more detail, see MDN link. ...
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Convert a Scala list to a tuple?

...e of Scala sequence using the +: syntax. Also, don't forget to add a catch-all – ig-dev Jun 19 '19 at 8:33 add a comment  |  ...
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In where shall I use isset() and !empty()

... it's not a good idea to use this operator for math in case "0" is accidentally a string. This can be dangerous. Instead, use basic >, < and == operators and convert variables using intval() or floatval(). – kaleazy Feb 14 at 18:08 ...
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How do you express binary literals in Python?

... memory. Note that leading zeros in a non-zero decimal number are not allowed. This is for disambiguation with C-style octal literals, which Python used before version 3.0. Some examples of integer literals: 7 2147483647 0o177 0b100110111 3 7922816251...
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Javascript Drag and drop for touch devices [closed]

...r("touchcancel", touchHandler, true); } And in your document.ready just call the init() function code found from Here share | improve this answer | follow ...
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Getting the caller function name inside another function in Python? [duplicate]

...on 2 each frame record is a list. The third element in each record is the caller name. What you want is this: >>> import inspect >>> def f(): ... print inspect.stack()[1][3] ... >>> def g(): ... f() ... >>> g() g For Python 3.5+, each frame record i...