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Set transparent background using ImageMagick and commandline prompt
...owing:
convert test.png -transparent white transparent.png
That changed all the white in the test.png to transparent.
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Start ssh-agent on login
...a remote Git repo pulling from Bitbucket.com using an SSH alias. I can manually start the ssh-agent on my server but I have to do this every time I login via SSH.
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PDO's query vs execute
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query runs a standard SQL statement and requires you to properly escape all data to avoid SQL Injections and other issues.
execute runs a prepared statement which allows you to bind parameters to avoid the need to escape or quote the parameters. execute will also perform better if you are repeat...
How can I generate an MD5 hash?
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You need java.security.MessageDigest.
Call MessageDigest.getInstance("MD5") to get a MD5 instance of MessageDigest you can use.
The compute the hash by doing one of:
Feed the entire input as a byte[] and calculate the hash in one operation with md.digest(bytes)...
What does WISC (stack) mean? [closed]
...software/technology bundle/stack representing Linux , Apache , MySQL , PHP . There are a few passing references on the Web that use the acronym WISC to speak of the other (supposedly Microsoft-centric) software/technology bundle/stack in contrast to LAMP. There is, however, no Wikipedia entr...
Can a class extend both a class and implement an Interface
Can a class extend both an interface and another class in PHP?
Basically I want to do this:
3 Answers
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How to exit an if clause
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Ideally you can achieve both, but there are times when you must trade good code for good performance. Those times are rare, especially when you are considering using Python. In other words: don't worry so much about function c...
array_push() with key value pair
...ys are strings like '123a' it could be desired to preserve string keys for all items.
– bancer
Jul 13 at 7:57
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Eclipse doesn't highlight references anymore
...icon on the toolbar - it toggles "Mark Occurrences".
You probably accidentally pressed it when trying to select a menu item at some point. I had a friend who did that with the "show selected element only" toolbar button...
You can either press it again or configure as Rytmis says.
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How to generate a create table script for an existing table in phpmyadmin?
How can I generate a create table script for an existing table in phpmyadmin?
10 Answers
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