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What is the difference between Trap and Interrupt?
...'s also the usual way to invoke a kernel routine (a system call) because those run with a higher priority than user code. Handling is synchronous (so the user code is suspended and continues afterwards). In a sense they are "active" - most of the time, the code expects the trap to happen and relies ...
Haskell offline documentation?
What are the possibilities, if any, for getting offline docs for Haskell core libraries (and maybe more)?
9 Answers
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Any reason to clean up unused imports in Java, other than reducing clutter?
... the list interface.
In Eclipse you can always use a shortcut (depends on OS - Win: Ctrl + SHIFT + O and Mac: COMMAND + SHIFT + O) to organize the imports. Eclipse then cleans up the import section removes all the stale imports etc. If you are needing a imported thing again eclipse will add them au...
What is the difference between a framework and a library?
...ifferent things depending the context they are used.
For example, on Mac OS X frameworks are just libraries, packed into a bundle. Within the bundle you will find an actual dynamic library (libWhatever.dylib). The difference between a bare library and the framework on Mac is that a framework can c...
Checking network connection
...imes out after long time, so this function will always return False. I suppose Google has changed their network is set up.
– theamk
Sep 18 '13 at 12:00
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How do I execute a command and get the output of the command within C++ using POSIX?
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#include <cstdio>
#include <iostream>
#include <memory>
#include <stdexcept>
#include <string>
#include <array>
std::string exec(const char* cmd) {
std::array<char, 128> buffer;
std::string result;
std::uniqu...
Sending a notification from a service in Android
... answered Jul 30 '09 at 18:43
Josef PflegerJosef Pfleger
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How safe is it to store sessions with Redis?
...ore, but at a high level, here are your options -
If you cannot afford losing any sessions, set appendfsync always in your configuration file. With this, Redis guarantees that any write operations are saved to the disk. The disadvantage is that write operations will be slower.
If you are okay wit...
What is the common header format of Python files?
I came across the following header format for Python source files in a document about Python coding guidelines:
4 Answers
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About .bash_profile, .bashrc, and where should alias be written in? [duplicate]
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It is supposed to be the other way round: .bash_profile sources .bashrc, and you use a non-login shell after logging in the first time.
– Ioannis Filippidis
Sep 9 '14 at 0:00
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