大约有 48,000 项符合查询结果（耗时：0.0503秒） [XML]
node.js child process - difference between spawn & fork
...uire('child_process').fork('child.js'); for example on my main app, I will now have 2 seperate cores running. If I were to run a heavy for loop in the child.js (process), I'd essentially be utilizing more cores to power child.js, right? Would that cpu usage be effecting my main app core though?
...
Debug a java application without starting the JVM with debug arguments
...
+1 VisualVM looks really interesting. BTW: Link is fixed now.
– sleske
Mar 15 '10 at 22:54
add a comment
|
...
Short description of the scoping rules?
...ning to it will lead to unpredicted and hard to debug issues if you don't know what you're doing.
– Ctrl-C
Jan 21 '14 at 2:19
|
show 1 more ...
Setting up a deployment / build / CI cycle for PHP projects
...
@Ryan, I don't know what happend. I do know, that you can try others. Maybe you could try: CircleCI or you could check this topic: Hosted Continuous Integration for PHP?
– Michiel
Nov 14 '12 at 14:24
...
Send attachments with PHP Mail()?
...he main script file -- require_once('path/to/file/class.phpmailer.php');
Now, sending emails with attachments goes from being insanely difficult to incredibly easy:
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;
$email = new PHPMailer();
$email->SetFrom('you@example.com...
Bootstrap NavBar with left, center or right aligned items
...
2019 Update
Bootstrap 4
Now that Bootstrap 4 has flexbox, Navbar alignment is much easier. Here are updated examples for left, right and center in the Bootstrap 4 Navbar, and many other alignment scenarios demonstrated here.
The flexbox, auto-margi...
Why would iterating over a List be faster than indexing through it?
... item2 -> print item2 etc.
all in a single traversal, which is O(N).
Now, going to the other implementation of List which is ArrayList, that one is backed by a simple array. In that case both of the above traversals are equivalent, since an array is contiguous so it allows random jumps to arbi...
How to paste yanked text into the Vim command line
... registers. What you can do with registers is extraordinary, and once you know how to use them you cannot live without them.
Registers are basically storage locations for strings. Vim has many registers that work in different ways:
0 (yank register: when you use y in normal mode, without specifyi...
Difference between UTF-8 and UTF-16?
...Wikipedia for details.
CVE-2008-2938
CVE-2012-2135
WHATWG and W3C have now declared that only UTF-8 is to be used on the Web.
The [security] problems outlined here go away when exclusively using UTF-8, which is one of the many reasons that is now the mandatory encoding for all things.
Oth...
Catch multiple exceptions at once?
It is discouraged to simply catch System.Exception . Instead, only the "known" exceptions should be caught.
27 Answers
...