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When should I use Memcache instead of Memcached?
...o seems to require external C/C++ libraries so I'm not sure if I can install it.
4 Answers
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Laravel Check If Related Model Exists
...hp 7.2+ you can't use count on the relation object, so there's no one-fits-all method for all relations. Use query method instead as @tremby provided below:
$model->relation()->exists()
generic solution working on all the relation types (pre php 7.2):
if (count($model->relation))
{
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Characters allowed in a URL
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The characters allowed in a URI are either reserved or unreserved (or a percent character as part of a percent-encoding)
http://en.wikipedia.org/wiki/Percent-encoding#Types_of_URI_characters
says these are RFC 3986 unreserved characters ...
Origin null is not allowed by Access-Control-Allow-Origin
I have made a small xslt file to create an html output called weather.xsl with code as follows:
7 Answers
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Python list of dictionaries search
...(item for item in dicts if item["name"] == "Pam"), None)
And to find the index of the item, rather than the item itself, you can enumerate() the list:
next((i for i, item in enumerate(dicts) if item["name"] == "Pam"), None)
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php中三个等于号是什么意思？=== - PHP - 清泛IT论坛，有思想、有深度
1、=：赋值，在逻辑运算时也有效；
2、==：等于运算，但是不比较值的类型；
3、===：完全等于运算，不仅比较值，而且还比较值的类型，只有两者一致才为真。
Accessing Object Memory Address
...ifferent types have different kinds of id, but the most general is just an index into a table of objects you've called id on, which is obviously not going to be a pointer. I'm not sure about IronPython, but I'd suspect it's more like Jython than like CPython in this regard. So, in most Python implem...
PHP namespaces and “use”
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So if i create another file called bootstrap.php and place an autoloader inside along with $circle = new Circle(); It includes the Circle.php but I am getting an error: Fatal error: Class 'Shape' not found in .../Circle.php on line 6. It appears to load Circle.php but n...
POST data to a URL in PHP
How can I send POST data to a URL in PHP (without a form)?
3 Answers
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