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How does a “stack overflow” occur and how do you prevent it?
...is when you've used up more memory for the stack than your program was supposed to use. In embedded systems you might only have 256 bytes for the stack, and if each function takes up 32 bytes then you can only have function calls 8 deep - function 1 calls function 2 who calls function 3 who calls f...
How to configure logging to syslog in Python?
... Note that, as the doc says, '/var/run/syslog' is the Right Thing on OS X.
– offby1
Feb 14 '14 at 20:55
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Favourite performance tuning tricks [closed]
...s give to someone asking me about optimisation.
We mainly use Sybase, but most of the advice will apply across the board.
SQL Server, for example, comes with a host of performance monitoring / tuning bits, but if you don't have anything like that (and maybe even if you do) then I would consider t...
Elevating process privilege programmatically?
...appen in the middle of a lengthy process), you'll need to run your entire host process with elevated permissions by Create and Embed an Application Manifest (UAC) to require the 'highestAvailable' execution level: this will cause the UAC prompt to appear as soon as your app is started, and cause all...
Run a Java Application as a Service on Linux
I have written a Java server application that runs on a standard virtual hosted Linux solution. The application runs all the time listening for socket connections and creating new handlers for them. It is a server side implementation to a client-server application.
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What are the -Xms and -Xmx parameters when starting JVM?
...amework my computer crashes because it's taking up too much memory. Is it possible that on OpenJDK there is no hard limit on the memory by default?
– Christophe De Troyer
May 26 '14 at 13:33
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Ruby: How to post a file via HTTP as multipart/form-data?
I want to do an HTTP POST that looks like an HMTL form posted from a browser. Specifically, post some text fields and a file field.
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What is the difference between varchar and nvarchar?
...ses only ASCII, I would still recommend using Unicode in the database. The OS and database collation algorithms will work better with Unicode. Unicode avoids conversion problems when interfacing with other systems. And you will be preparing for the future. And you can always validate that your data ...
How do I match any character across multiple lines in a regular expression?
...engine to engine. The main difference is whether the pattern is used by a POSIX or non-POSIX regex library.
Special note about lua-patterns: they are not considered regular expressions, but . matches any char there, same as POSIX based engines.
Another note on matlab and octave: the . matches any ...
NSRange to Range
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The NSString version (as opposed to Swift String) of replacingCharacters(in: NSRange, with: NSString) accepts an NSRange, so one simple solution is to convert String to NSString first. The delegate and replacement method names are slightly different in ...