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In php, is 0 treated as empty?
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http://php.net/empty
The following things are considered to be empty:
"" (an empty string)
0 (0 as an integer)
0.0 (0 as a float)
"0" (0 as a string)
NULL
FALSE
array() (an empty array)
var $var; (a variabl...
在MongoDB中模拟Auto Increment - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...MongoDB缺省并没有实现，所以需要模拟一下，编程语言以PHP为例，代码大致如下所示：<?phpfunct...MySQL用户多半都有Auto Increment情结，不过MongoDB缺省并没有实现，所以需要模拟一下，编程语言以PHP为例，代码大致如下所示：
<?php
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“Variable” variables in Javascript?
...usly consider that). It is possible to access some global variables dynamically via window, but that doesn't work for variables local to a function. Global variables that do not become a property of window are variables defined with let and const, and classes.
There is almost always a better soluti...
Naming cookies - best practices [closed]
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@Emanuil: To distinguish it from all the other cookies generated by other apps on the same domain.
– Ignacio Vazquez-Abrams
Sep 19 '12 at 20:50
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How to generate JAXB classes from XSD?
...d we return a lot of XML. With this we decided to use JAXB. So far, we manually coded the Models for the XML.
10 Answers
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How to create NS_OPTIONS-style bitmask enumerations in Swift?
... KlaasKlaas
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PHP validation/regex for URL
...hings that jump out at me: use of alternation where character classes are called for (every alternative matches exactly one character); and the replacement shouldn't have needed the outer double-quotes (they were only needed because of the pointless /e modifier on the regex).
–...
Array to String PHP?
What is the best method for converting a PHP array into a string?
I have the variable $type which is an array of types.
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How can I use swift in Terminal?
... Klaas
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answered Jan 12 '15 at 12:41
Markus RautopuroMarkus Rautopuro
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Inject errors into already validated form?
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Denilson Sá Maia
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answered Oct 9 '08 at 19:48
Jonny BuchananJonny Buchanan
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