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如何高效的学习掌握新技术 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...是基于Flux架构，而Flux架构并没有统一的标准，需要选择使用一种Flux架构实现，并基于它搭建基础框架。
实现界面基础组件
React是基于组件的方式来编程运行的，所以需要将整个应用拆分成若干基础组件，这个阶段主要就...
Is there a use-case for singletons with database access in PHP?
...ultiple result sets in a given singleton is just keeping them in variables/arrays in the singleton as long as they are needed. This can be as simple as keeping them in arrays, though you can invent whatever method you want to use to effect that. But let's examine the simplest case, use of variables ...
When should I use the new keyword in C++?
... another class, it has to adjust the size of that other class). That's why arrays in C# are reference types. They have to be, because with reference types, we can decide at runtime how much memory to ask for. And the same applies here. Only arrays with constant size (a size that can be determined at...
PreparedStatement IN clause alternatives?
...DBC4 and a server that supports x = ANY(y), is to use PreparedStatement.setArray as described here:
PreparedStatement IN clause alternatives?
There doesn't seem to be any way to make setArray work with IN-lists, though.
Sometimes SQL statements are loaded at runtime (e.g., from a properties f...
Regular expression to search for Gadaffi
...ted metaphone hits as well, you can eliminate them.
<?
$soundexMatch = array('G310','K310','Q310');
$metaphoneMatch = array('KTF','KTHF','FTF','KHTF','K0F');
$text = "This is a big glob of text about Mr. Gaddafi. Even using compound-Khadafy terms in here, then we might find Mr Qudhafi to be mat...
JUnit test with dynamic number of tests
...file itself)
Then, build a static method that will return a Collection of arrays. Each array in the collection will contain the input arguments for your class constructor e.g. the file. Decorate this method with:
@Parameters
Here's a sample class.
@RunWith(Parameterized.class)
public class Para...
How do I handle newlines in JSON?
...n data to parse JSON data:
function normalize_str($str) {
$invalid = array(
'Š'=>'S', 'š'=>'s', 'Đ'=>'Dj', 'đ'=>'dj', 'Ž'=>'Z', 'ž'=>'z',
'Č'=>'C', 'č'=>'c', 'Ć'=>'C', 'ć'=>'c', 'À'=>'A', 'Á'=>'A', 'Â'=>'A', 'Ã'=>'A',
...
select count(*) from table of mysql in php
...qli->query("SELECT COUNT(*) AS Students_count FROM Students")->fetch_array();
var_dump($result['Students_count']);
or:
$mysqli = new mysqli($db_host, $db_user, $db_pass, $db_name);
$result = $mysqli->query("SELECT COUNT(*) FROM Students")->fetch_array();
var_dump($result[0]);
...
JavaScript curry: what are the practical applications?
...rry with - return function
}
var __method = this;
var args = toArray(arguments);
return function() {
return __method.apply(this, args.concat([].slice.apply(null, arguments)));
}
}
share
...
form serialize javascript (no framework)
...a polyfill and this code (works everywhere except IE):
new URLSearchParams(Array.from(new FormData(formElement))).toString()
Example
var form = document.querySelector('form');
var out = document.querySelector('output');
function updateResult() {
try {
out.textContent = new URLSearchParam...