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Convert SVG image to PNG with PHP
...an see an example here I did for a former employer's sales territory map:
Start: https://upload.wikimedia.org/wikipedia/commons/1/1a/Blank_US_Map_(states_only).svg
Finish:
Edit
Since writing the above, I've come up with 2 improved techniques:
1) instead of a regex loop to change the fill on...
How does a “stack overflow” occur and how do you prevent it?
...rameters as well as the machine architecture.
You'll see then that if you start making recursive calls the stack will begin to grow. Now, stack is usually reserved in memory in such a way that it grows in opposite direction to the heap so, given a big number of calls without "coming back" the stack...
Configuring diff tool with .gitconfig
...the very same setting which you have mentioned in your post and everything started to work without any additional configuration. So does that mean that git supports "winMerge" as well out of the box because as much as I can understand from your post that it requires some extra work/settings/configur...
Try-finally block prevents StackOverflowError
...om the invocation of foo() inside the try, you call foo() from finally and start recursing again. When that causes another exception, you'll call foo() from another inner finally(), and so on almost ad infinitum.
share
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ApartmentState for dummies
...does anything with COM. The CLR makes that call automatically whenever it starts a thread. For the main startup thread of your program, it gets the value to pass from the [STAThread] or [MTAThread] attribute on your Main() method. Default is MTA. For threads that you create yourself it is determ...
WebSocket with SSL
...
The WebSocket connection starts its life with an HTTP or HTTPS handshake. When the page is accessed through HTTP, you can use WS or WSS (WebSocket secure: WS over TLS) . However, when your page is loaded through HTTPS, you can only use WSS - browsers...
How to find where gem files are installed
...to the local repository
list Display gems whose name starts with STRING
lock Generate a lockdown list of gems
mirror Mirror all gem files (requires rubygems-mirror)
outdated Display all gems that need updates
owner...
Favourite performance tuning tricks [closed]
...re you using row or page level locking?
Lock the tables exclusively before starting the query
Check that all processes are accessing tables in the same order
Are indices being used appropriately?
Joins will only use index if both expressions are exactly the same data type
Index will only be use...
How to drop into REPL (Read, Eval, Print, Loop) from Python code
...hell = IPShellEmbed()
ipshell() # this call anywhere in your program will start IPython
You should use IPython, the Cadillac of Python REPLs. See http://ipython.org/ipython-doc/stable/interactive/reference.html#embedding-ipython
From the documentation:
It can also be useful in scientific
c...
Why is argc not a constant?
As Effective C++ Item#3 states "Use const whenever possible", I start thinking "why not make these 'constant' parameters const "?.
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