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Using ECMAScript 6
...avascript-harmony flag is set: /(?<!a)b/.test('ab') (and throw the next error if the flag is not set: "Uncaught SyntaxError: Invalid regular expression: /(?<!a)b/: Invalid group")
– Rob W
Dec 25 '16 at 11:25
...
Sending HTML email using Python
...
Hmm, I get the error for msg.as_string(): list object has no attribute encode
– JohnAndrews
Feb 11 '19 at 14:44
...
linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...使用命令“/etc/init.d/squid reload”重新载
入配置文件
error_directory /usr/share/squid/errors/Simplify_Chinese
2.5启动和停止代理服务器
1．启动代理服务
/etc/init.d/squid start
2．停止代理服务
/etc/init.d/squid stop
3．重新启动代理服务
/...
How best to determine if an argument is not sent to the JavaScript function
...tionalArg3 = 'default3';
case 4: break;
default: throw new Error('illegal argument count')
}
// do stuff
}
This has the downside that the programmer's intention is not (visually) obvious and uses 'magic numbers'; it is therefore possibly error prone.
...
How to grep (search) committed code in the Git history
...p <expression> will work if you run into an "Argument list too long" error.
If you want to limit the search to some subtree (for instance, "lib/util"), you will need to pass that to the rev-list subcommand and grep as well:
git grep <regexp> $(git rev-list --all -- lib/util) -- lib/uti...
How to use Sublime over SSH
...ard 52698 127.0.0.1:52698 -R 52698:localhost:52698" and still outputs same error: "Unable to connect to TextMate on localhost:52698"
– FooBar
Oct 15 '14 at 23:12
1
...
Read file line by line using ifstream in C++
...s(line);
int a, b;
if (!(iss >> a >> b)) { break; } // error
// process pair (a,b)
}
You shouldn't mix (1) and (2), since the token-based parsing doesn't gobble up newlines, so you may end up with spurious empty lines if you use getline() after token-based extraction got ...
passport.js RESTful auth
...ned to the client in JSON format. If username and password do not match an error is sent to the client in the form of a 401 HTTP error code.
Instead of forcing clients to send username and password with every request you can have a "get_access_token" function in your RESTful service that takes the u...
Android Min SDK Version vs. Target SDK Version
...he minimum API level required to use a feature, the compiler will issue an error (not just a warning) if code contains a call to any method that was defined at a later API level than minSdkVersion, even if targetSdkVersion is greater than or equal to the API level at which that method was first made...
How do I stop a web page from scrolling to the top when a link is clicked that triggers JavaScript?
...-8 decoder algorithm to fragid bytes. If the UTF-8 decoder emits a decoder error, abort the decoder and instead jump to the step labeled no decoded fragid.
If there is an element in the DOM that has an ID exactly equal to decoded fragid, then the first such element in tree order is the indicated pa...