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How do I programmatically determine operating system in Java?
...er I am on a Windows or Unix platform). What is the safest way to do this with 100% reliability?
19 Answers
...
Unicode character in PHP string
...ert_encoding()
echo mb_convert_encoding('က', 'UTF-8', 'HTML-ENTITIES');
or make use of the direct mapping between UTF-16BE (big endian) and the Unicode codepoint:
echo mb_convert_encoding("\x10\x00", 'UTF-8', 'UTF-16BE');
...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...met the same problem when I tried to run a wordpress on my micro instance without RDS.
Adding a Swap page solved the problem for me.
You can follow steps below to setup the swap space.
If it still doesn't work for you, consider using the RDS service.
===============================================
I...
Set up DNS based URL forwarding in Amazon Route53 [closed]
... how-to guide for my blog detailing what I did.
Here is what I came up with.
Objective
Using only the tools available in Amazon S3 and Amazon Route 53, create a URL Redirect that automatically forwards http://url-redirect-example.vivekmchawla.com to the AWS Console sign-in page aliased to "...
Hexadecimal To Decimal in Shell Script
...
To convert from hex to decimal, there are many ways to do it in the shell or with an external program:
With bash:
$ echo $((16#FF))
255
with bc:
$ echo "ibase=16; FF" | bc
255
with perl:
$ perl -le 'print hex("FF");'
255
with printf :
$ printf "%d\n" 0xFF
255
with pytho...
Java JTable setting Column Width
...Table, read the docs for doLayout() very carefully. Here are some choice bits:
When the method is called as a result of the resizing of an enclosing window, the
resizingColumn is null. This means that resizing has taken place "outside" the JTable
and the change - or "delta" - should be dist...
stopPropagation vs. stopImmediatePropagation
...follow
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edited Jan 8 '18 at 22:55
Zze
14.5k88 gold badges6565 silver badges9393 bronze badges
...
Best practices when running Node.js with port 80 (Ubuntu / Linode) [closed]
...ort 80
What I do on my cloud instances is I redirect port 80 to port 3000 with this command:
sudo iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 3000
Then I launch my Node.js on port 3000. Requests to port 80 will get mapped to port 3000.
You should also edit your /et...
express.js - single routing handler for multiple routes in a single line
...
I came across this question while looking for the same functionality.
@Jonathan Ong mentioned in a comment above that using arrays for paths is deprecated but it is explicitly described in Express 4, and it works in Express 3.x. Here's an example of something to try:
app.get(
['/test...
How to shrink the .git folder
...
you should not delete all changes older than 30 days (i think it's somehow possible exploiting git, but really not recommended).
you can call git gc --aggressive --prune, which will perform garbage collection in your repository and prune old objects. do you have a lot of binary files (...