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Where are my postgres *.conf files?
...buntu 13.04 installed using software centre :
The location for mine is:
/etc/postgresql/9.1/main/postgresql.conf
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What is the purpose of the “Prefer 32-bit” setting in Visual Studio and how does it actually work?
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Microsoft has a blog entry What AnyCPU Really Means As Of .NET 4.5 and Visual Studio 11:
In .NET 4.5 and Visual Studio 11 the cheese has been moved. The
default for most .NET projects is again AnyCPU, but there is more than
one meaning to AnyCPU now. T...
What exactly is a Context in Java? [duplicate]
...local variables, state of other classes, state of the current environment, etcetera.
In some API's you see this name back in an interface/class, e.g. Servlet's ServletContext, JSF's FacesContext, Spring's ApplicationContext, Android's Context, JNDI's InitialContext, etc. They all often follow the F...
Tracking the script execution time in PHP
PHP must track the amount of CPU time a particular script has used in order to enforce the max_execution_time limit.
18 A...
When should the volatile keyword be used in C#?
... always access the current value of the field (it might be from the stack, etc). Marking a field as volatile ensures that the current value of the field is accessed by the instruction. This is useful when the value can be modified (in a non-locking scenario) by a concurrent thread in your program or...
HTML 5 tag vs Flash video. What are the pros and cons?
...rlier, and other downlevel clients (like older versions of FF/Safari/Opera/etc), just put your standard video embed code inside the <video> tag, below the <source> elements. If the browser supports <video>, it'll ignore the embed. If it doesn't, it'll ignore the <video> and...
What is Turing Complete?
...complete.
Most modern programming languages (e.g. Java, JavaScript, Perl, etc.) are all Turing complete because they each implement all the features required to run programs like addition, multiplication, if-else condition, return statements, ways to store/retrieve/erase data and so on.
Update: Yo...
Profiling Django
...he Debug Toolbar made things process. My sql queries were small (30ms) but cpu time was very high (800ms). Another page i was tuning had sql times of 300ms, and cpu time of 8000ms - so i kept trying to find the source of the problem. Turning Django Toolbar off sped things right up. 3 years later, st...
How much overhead does SSL impose?
...ources were required; no network hardware, no new hosts. It only increased CPU load by about 1%.
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Stack Memory vs Heap Memory [duplicate]
...m C++.
Generally speaking, the stack is preferred as it is usually in the CPU cache, so operations involving objects stored on it tend to be faster. However the stack is a limited resource, and shouldn't be used for anything large. Running out of stack memory is called a Stack buffer overflow. It's...