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Get OS-level system information
... Runtime.getRuntime().availableProcessors());
/* Total amount of free memory available to the JVM */
System.out.println("Free memory (bytes): " +
Runtime.getRuntime().freeMemory());
/* This will return Long.MAX_VALUE if there is no preset limit */
long maxMemory = Run...
favicon.png vs favicon.ico - why should I use PNG instead of ICO?
...the Dynamic Drive tool and Photoshop plugin mentioned by @mercator.
Feel free to consult the other answers here for more details.
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How do you view ALL text from an ntext or nvarchar(max) in SSMS?
...ped. Once you take the text out, you should unescape it using a tool like freeformatter.com.
– harsimranb
Jun 29 '17 at 0:02
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Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]
...y they offer hourly pay-as-you-go and weekly/monthly plans, plus there's a free trial.
http://www.macincloud.com
Per @Iterator, posting update on my findings for this service, moving out from my comments:
I did the trial/evaluation. The trial can be misleading on how the trial works. You may need...
In what areas might the use of F# be more appropriate than C#? [closed]
...the relevant code in F# for a 10,000× performance improvement. Due to the free-form nature of this product's GUI, the GUI designer and C# would not have been beneficial.
Much of our work revolves around numerical methods, including both our commercial libraries and books. F# is much stronger in th...
How are zlib, gzip and zip related? What do they have in common and how are they different?
... encryption or signatures.
Around 1990, the Info-ZIP group wrote portable, free, open-source implementations of zip and unzip utilities, supporting compression with the Deflate format, and decompression of that and the earlier formats. This greatly expanded the use of the .zip format.
In the early ...
Recommendation for compressing JPG files with ImageMagick
...ity 92 (see www.imagemagick.org)
The suggestion is about a really awesome free tool ImageOptim, also for batch process.
You can get smaller jpgs (and pngs as well, especially after the use of the free ImageAlpha [not batch process] or the free Pngyu if you need batch process).
Not only, these tools...
C++ display stack trace on exception
...strings containing "filename(function+address)",
// this array must be free()-ed
char** symbollist = backtrace_symbols(addrlist, addrlen);
// allocate string which will be filled with the demangled function name
size_t funcnamesize = 256;
char* funcname = (char*)malloc(funcnames...
Signing a Windows EXE file
...
You can get a free cheap code signing certificate from Certum if you're doing open source development.
I've been using their certificate for over a year, and it does get rid of the unknown publisher message from Windows.
As far as sign...
Best way to iterate through a Perl array
...ng each element off will not speed anything up. Even if there is a need to free the array from the reference, I'd just go:
undef @Array;
when done.
NOTE: The subroutine containing the scope of the array actually keeps the array and re-uses the space next time. Generally, that should be fine (se...