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Find nearest latitude/longitude with an SQL query
...ull the record from the database, which has nearest latitude and longitude by the distance, if that distance gets longer than specified one, then don't retrieve it.
...
How can I sort arrays and data in PHP?
...foo' => ..., 'baz' => ...),
...
);
If you want to sort $array by the key 'foo' of each entry, you need a custom comparison function. The above sort and related functions work on simple values that they know how to compare and sort. PHP does not simply "know" what to do with a complex va...
What is a “slug” in Django?
...s the title of an article to generate a URL. I advise to generate the slug by means of a function, given the title (or another piece of data), rather than setting it manually.
An example:
<title> The 46 Year Old Virgin </title>
<content> A silly comedy movie </content>
<...
Sort JavaScript object by key
I need to sort JavaScript objects by key.
31 Answers
31
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Why is a div with “display: table-cell;” not affected by margin?
...sFiddle demo
Different margin horizontally and vertically
As mentioned by Diego Quirós, the border-spacing property also accepts two values to set a different margin for the horizontal and vertical axes.
For example
.table {/*...*/border-spacing:3px 5px;} /* 3px horizontally, 5px vertically *...
How to sort an array based on the length of each element?
...length
return b.length - a.length;
});
Note: sorting ["a", "b", "c"] by length of string is not guaranteed to return ["a", "b", "c"]. According to the specs:
The sort is not necessarily stable (that is, elements that compare
equal do not necessarily remain in their original order).
If ...
How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
...ou are encoding a random accessible data (like a hard disk or RAM).
OCB is by far the best mode, as it allows encryption and authentication in a single pass. However there are patents on it in USA.
The only thing you really have to know is that ECB is not to be used unless you are only encrypting ...
How to define “type disjunction” (union types)?
... will work, but try foo(true) and it will fail. This could be side-stepped by the client code by creating a StringOrInt[Boolean], unless, as noted by Randall below, you make StringOrInt a sealed class.
It works because T: StringOrInt means there's an implicit parameter of type StringOrInt[T], and b...
Linux command to translate DomainName to IP [closed]
...ckoverflow.com has address 69.59.196.211
stackoverflow.com mail is handled by 30 alt2.aspmx.l.google.com.
stackoverflow.com mail is handled by 40 aspmx2.googlemail.com.
stackoverflow.com mail is handled by 50 aspmx3.googlemail.com.
stackoverflow.com mail is handled by 10 aspmx.l.google.com.
stackove...
PHP报错：Only variables should be passed by reference - C/C++ - 清泛网 - 专注C/C++及内核技术
PHP报错：Only variables should be passed by reference错误信息如下：Strict Standards: Only variables should be passed by reference in D: wamp ecshop includes cls_template.php...错误信息如下：
Strict Standards: Only variables should be passed by reference in xxx\ecshop\includes\c...