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MySQL pagination without double-querying?
... problem with this: There is a bug in MySQL that this tickles that affects ORDER BY queries making it much slower on large tables than the naive approach of two queries.
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How to substring in jquery
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You don't need jquery in order to do that.
var placeHolder="name";
var res=name.substr(name.indexOf(placeHolder) + placeHolder.length);
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Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
...his case, map does not actually need the collection to be a list, or being ordered or being sortable or anything like that. The only thing that map cares about is that it can get access to all elements of the collection, one after the other, but in no particular order. And it does not need to know w...
FileNotFoundException while getting the InputStream object from HttpURLConnection
...ing to send a SOAP request header to a SOAP service. The issue was a wrong order in the code, I requested the input stream first before sending the XML body. In the code snipped below, the line InputStream in = conn.getInputStream(); came immediately after ByteArrayOutputStream out = new ByteArrayOu...
程序员之网络安全系列（六）：动态密码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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程序员之网络安全系列（五）：数字证书以及12306的证书问题 我们使用了数字证书，确保了对方的公钥身份，也就是互联网中确定了要访问的网站就是你要访问的网站。
但是我们如何确定要访问这个网站的用户就是要访问的用...
How do I read from parameters.yml in a controller in symfony2?
...er: '%api_user%'
App\:
resource: ..
2. Any Controller
<?php declare(strict_types=1);
final class ApiController extends SymfonyController
{
/**
* @var string
*/
private $apiPass;
/**
* @var string
*/
private $apiUser;
public function __co...
How to convert an enum type variable to a string?
... \
),
// we have to add a dummy element at the end of a tuple in order to make
// BOOST_PP_TUPLE_ELEM macro work in case an initial tuple has only one element.
// if we have a tuple (Element1), BOOST_PP_TUPLE_ELEM(2, (Element1)) macro won't compile.
// It requires that a tuple with only o...
How can I check if the current date/time is past a set date/time?
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Since PHP >= 5.2.2 you can use the DateTime class as such:
if (new DateTime() > new DateTime("2010-05-15 16:00:00")) {
# current time is greater than 2010-05-15 16:00:00
# in other words, 2010-05-15 16:00:00 has pass...
jQuery: Return data after ajax call success [duplicate]
...with async/await
jQuery Deferred not calling the resolve/done callbacks in order
Returning data from ajax results in strange object
javascript - Why is there a spec for sync and async modules?
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MySQL check if a table exists without throwing an exception
...is the best way to check if a table exists in MySQL (preferably via PDO in PHP) without throwing an exception. I do not feel like parsing the results of "SHOW TABLES LIKE" et cetera. There must be some sort of boolean query?
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