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How to construct a REST API that takes an array of id's for the resources
...ry parameters will be combined into an array. With the above query string, PHP happens to tell you that id equals [1, 2, 3], but Ruby on Rails tells you it equals 3, and other frameworks may also act differently, e.g. saying id equals 1. URLs like …?id=1,2,3 avoid this potential for confusion.
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Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?
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@curiousguy: If a framework provides that casting an object reference to a base-type reference will be identity preserving, then every object instance must have exactly one implementation of any base-class method. If ToyotaCar and HybridCar both derived from Car and...
Select distinct values from a table field
...t('city').distinct()
This one returns a ValuesListQuerySet which you can cast to a list.
You can also add flat=True to values_list to flatten the results.
See also: Get distinct values of Queryset by field
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C/C++中的段错误(Segmentation fault) - C/C++ - 清泛网 - 专注C/C++及内核技术
...Segment fault 之永远的痛》(http://www.linuxforum.net/forum/gshowflat.php?Cat=&Board=program&Number=193239&page=2&view=collapsed&sb=5&o=all&fpart=1&vc=1)
在主题帖子里头,作者这么写道:
写程序好多年了,Segment fault 是许多C程序员头疼的提示。指针...
Select last row in MySQL
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Make it simply use: PDO::lastInsertId
http://php.net/manual/en/pdo.lastinsertid.php
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Gmail's new image caching is breaking image links in newsletter
...thing related to CACHING concept. suppose, you have recently deployed your php code on your server but you forgot to upload images. you tested once with your email logic. your system generated an HTML email. When this email will hit the gmail server GoogleImageProxy will try to fetch and store the i...
How can I get PHPUnit MockObjects to return different values based on a parameter?
I've got a PHPUnit mock object that returns 'return value' no matter what its arguments:
11 Answers
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How to list running screen sessions?
... edited Oct 24 '17 at 14:23
PHP Bugs
9501010 silver badges1818 bronze badges
answered Feb 11 '09 at 23:01
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Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
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Right. Assigning an int to a long includes an implicit cast. But the value can never exist as the int in the first place to get casted :)
– Cruncher
Jul 11 '14 at 18:14
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Can anyone explain what JSONP is, in layman terms? [duplicate]
...p; xhr.status == 200) {
// success
};
};
xhr.open("GET", "somewhere.php", true);
xhr.send();
JSONP Request:
var tag = document.createElement("script");
tag.src = 'somewhere_else.php?callback=foo';
document.getElementsByTagName("head")[0].appendChild(tag);
The difference between a JSON...
