Cardboard Box

Cardboard Box

A place to store useful snippets of code, links and other such geek stuffs.

Web Based Design Tools

Some great online tools for a web designer or content creator.  I frequently use the Image Optimizer to cheat some load time off my site's images.

http://tools.dynamicdrive.com

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posted by Don @ 5:17 PM, , link to this post

Mac Keyboard Shortcuts For Symbols

Mac OSX keyboard shortcut combinations for many common symbols.
™ (trademark) = Option + 2
£ (pound) = Option + 3
¢ (cent) = Option + 4
∞ (infinity) = Option + 5
§ (section) = Option + 6
¶ (paragraph) = Option + 7
• (dot) = Option + 8
€ (euro) = Shift + Option + 2
° (degree) = Shift + Option + 8
¥ (yen) = Option + y
÷ (division) = Option + /
± (plus/minus) = Option + =
≥ (greater than or equal to) = Option + >
≤ (less than or equal to) = Option + <
√ (square root) = Option + v
π (pi) = Option + p
≈ (approx.) = Option + x
∆ (delta) = Option + j
∑ (sum) = Option + w
Ω (ohm) = Option + z
µ (micro) = Option + m
© (copyright) = Option + g
® (registered) = Option + r
† (dagger) = Option + t

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posted by Don @ 5:45 PM, , link to this post

Convert PFX to Separate Key/Cert Files

Using openssl to extract key and certificate files from a .pfx

To extract the private key...
openssl pkcs12 -in [name.pfx] -nocerts -out [private.key]

To extract the certificate...
openssl pkcs12 -in [name.pfx] -clcerts -nokeys -out [certificate.crt]

To decrypt the private key...
openssl rsa -in [private.key] -out [decrypted.key]

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posted by Don @ 12:24 PM, , link to this post

Strip Leading Zeros In Shell

Nice trick to strip leading zeros from an IP address at the command line.
(ie turn 002.203.017.001 to 2.203.17.1)
echo 002.203.017.001 | awk -F"." '{print int($1)"."int($2)"."int($3)"."int($4)}'

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posted by Don @ 1:46 PM, , link to this post

About This Blog

This blog is a place where I hope to put the snippets and trimmings of my geek'dom ... code samples that have served me well, tech links and other such things that'll I find useful. In short, any time I have to Google something, I tend to post it here for others to find as well.

Also, having owned 'digital-penguin.com' for many years and having worked with many a fellow geek, this site also serves as a place where I can always be found.


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