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Why should I prefer to use member initialization lists?
...tyle. For class members which are classes, then it avoids an unnecessary call to a default constructor. Consider:
class A
{
public:
A() { x = 0; }
A(int x_) { x = x_; }
int x;
};
class B
{
public:
B()
{
a.x = 3;
}
private:
A a;
};
In this case, the construct...
Node.js: how to consume SOAP XML web service
...ce to be consumed by a remote client. This soap service computes Body Mass Index based on weight(kg) and height(m).
const soap = require('soap');
const express = require('express');
const app = express();
/**
* this is remote service defined in this file, that can be accessed by clients, who will ...
Get element inside element by class and ID - JavaScript
...er than worrying about browser compatibility yourself (let someone else do all the work). If you want just a library to do that, then Sizzle will work great. In Sizzle, this would be be done like this:
Sizzle("#foo .bar")[0].innerHTML = "Goodbye world!";
jQuery has the Sizzle library built-in...
Linux 进程卡住了怎么办？ - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...发现 ls 卡住了。
通过下面的命令可以看到 ls 卡在了 vfs_fstatat 调用上，它会给 FUSE 设备发送 getattr 请求，在等待回应。而 JuiceFS 客户端进程已经被我们停掉了，所以它就卡住了：
$ cat /proc/`pgrep ls`/stack
[<ffffffff813277c7>] request_w...
Force browser to clear cache
...Shawn Version-control wise you could render the <link /> tags dynamically and inject the application's version as a query string parameter. Alternatively, some CMSes will have a "client resources version" as a CMS-wide setting that is appended - the site's admin can manually increase that vers...
How to make shallow git submodules?
...ile is not available in the working tree, try
using the content from the index and from the current branch.
This covers the case when the file is part of the repository but for some
reason it is not checked out, for example because of a sparse checkout.
This makes it possible to use at le...
Set up DNS based URL forwarding in Amazon Route53 [closed]
...ng".
Select the option to "Enable website hosting".
Enter a value for the "Index Document". This object (document) will never be served by S3, and you never have to upload it. Just use any name you want.
Open the settings for "Edit Redirection Rules".
Paste the following XML snippet in it's entirety...
CSS selector for first element with class
...ySelector('.home > .red');
Or use document.querySelectorAll() with an indexer to pick any specific match:
var redElements = document.querySelectorAll('.home > .red');
var first = redElements[0];
var second = redElements[1];
// etc
Although the .red:nth-of-type(1) solution in the origina...
Why do I get an UnsupportedOperationException when trying to remove an element from a List?
...
Wrong regarding the LinkedList. He is accessing by index, so LinkedList would spend as much time to find an element through iteration. See my answer for a better approach, using an ArrayList.
– Dimitris Andreou
Jun 3 '10 at 12:24
...
Installing a dependency with Bower from URL and specify version
...loads your js library puts in {your destination path}/gmap3MarkerWithLabel/index.js and automatically creates an entry in your bower.json file called gmap3MarkerWithLabel: "..." After that, you can only execute bower update gmap3MarkerWithLabel if needed.
Funny thing if you do the process backwars ...