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PHP: How to check if image file exists?
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130
You need the filename in quotation marks at least (as string):
if (file_exists('http://www.my...
How do I initialize a byte array in Java?
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10 Answers
10
Active
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Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...xtends Redis
{
const POSITION_FIRST = 0;
const POSITION_LAST = -1;
public function zPop($zset)
{
return $this->zsetPop($zset, self::POSITION_FIRST);
}
public function zRevPop($zset)
{
return $this->zsetPop($zset, self::POSITION_LAST);
}
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Pass array to ajax request in $.ajax() [duplicate]
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info = [];
info[0] = 'hi';
info[1] = 'hello';
$.ajax({
type: "POST",
data: {info:info},
url: "index.php",
success: function(msg){
$('.answer').html(msg);
}
});
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Finding a substring within a list in Python [duplicate]
Example list: mylist = ['abc123', 'def456', 'ghi789']
5 Answers
5
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How do I Geocode 20 addresses without receiving an OVER_QUERY_LIMIT response?
... geocode 20 addresses, I get an OVER_QUERY_LIMIT unless I time them to be ~1 second apart, but then it takes 20 seconds before my markers are all placed.
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Get everything after the dash in a string in javascript
...ction you can use:
function getSecondPart(str) {
return str.split('-')[1];
}
// use the function:
alert(getSecondPart("sometext-20202"));
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Can't access RabbitMQ web management interface after fresh install
I've installed the latest RabbitMQ server (rabbitmq-server-3.3.0-1.noarch.rpm) on a fresh Centos 5.10 VM according to the instructions on the official site.
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How to get number of entries in a Lua table?
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132
You already have the solution in the question -- the only way is to iterate the whole table wi...