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Client-server synchronization pattern / algorithm?
...complex object composed of many parts, but a key-value pair is but a short string or a number. Therefore, in this case we can use a more simple strategy of conflict resolution, considering the value more relevant, if it has been the last to change.
Syncing of data structured as a tree or a graph is ...
What happens to a detached thread when main() exits?
...
Consider the following code:
#include <iostream>
#include <string>
#include <thread>
#include <chrono>
void thread_fn() {
std::this_thread::sleep_for (std::chrono::seconds(1));
std::cout << "Inside thread function\n";
}
int main()
{
std::thread t1(t...
Is gcc 4.8 or earlier buggy about regular expressions?
...lt;iostream>
int main() {
const std::regex regex(".*");
const std::string string = "This should match!";
const auto result = std::regex_search(string, regex);
#if HAVE_WORKING_REGEX
std::cerr << "<regex> works, look: " << std::boolalpha << result << std::end...
Check if array is empty or null
...with [] rather than new Array().
if (value) when value is expected to be a string will both protect from value == null, value == undefined and value == "" so you don't have to do if (value && (value != "")). You can just do: if (value) to check for all three empty conditions.
if (album_text...
Boolean literals in PowerShell
...ional statements. Most non-null objects are true, for example. null, empty strings, empty arrays and the number 0 are false.
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PHP Timestamp into DateTime
...
You don't need to turn the string into a timestamp in order to create the DateTime object (in fact, its constructor doesn't even allow you to do this, as you can tell). You can simply feed your date string into the DateTime constructor as-is:
// Assu...
汇编语言超浓缩教程（汇编入门必备） - C/C++ - 清泛网 - 专注C/C++及内核技术
...段寄存器；ＳＳ（Stack Segment）：堆栈段寄存器；ＥＳ（Extra Segment）：附加段寄存器。当一个程序要执行时，就要决定程序代码、数据和堆栈各要用到内存的哪些位置，通过设定段寄存器 CS，DS，SS 来指向这些起始位置。通常是...
Regex to replace everything except numbers and a decimal point
... @Hugo this does not allow anything, you should just not pass a string that could potentially contain more decimal points and pre-process it first. It's like saying string allows every character...
– jave.web
Dec 3 '16 at 14:20
...
Can angularjs routes have optional parameter values?
...enerating-the-templateurl
You can use a function to generate the template string:
var app = angular.module('app',[]);
app.config(
function($routeProvider) {
$routeProvider.
when('/', {templateUrl:'/home'}).
when('/users/:user_id',
{
...
Selenium WebDriver: Wait for complex page with JavaScript to load
... return executeJavaScript("return document.readyState")
.toString().equals("complete");
}
};
return wait.until(jQueryLoad) && wait.until(jsLoad);
}
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