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How can you program if you're blind?
... software offerings that were available at the time. If nothing else, I at least learned to re
Where in memory are my variables stored in C?
...got some of these right, but whoever wrote the questions tricked you on at least one question:
global variables -------> data (correct)
static variables -------> data (correct)
constant data types -----> code and/or data. Consider string literals for a situation when a constant itself wou...
Are arrays passed by value or passed by reference in Java? [duplicate]
...or you would expect of a pointer to a struct in C or an object in C++.
At least part of the confusion in terminology stems from the history of high level languages prior to the common use of C. In prior, popular, high level languages, directly referencing memory by address was something to be avoid...
How to generate keyboard events in Python?
...
user648852's idea at least for me works great for OS X, here is the code to do it:
#!/usr/bin/env python
import time
from Quartz.CoreGraphics import CGEventCreateKeyboardEvent
from Quartz.CoreGraphics import CGEventPost
# Python releases thing...
Why is volatile needed in C?
...ize anything that has to do with the volatile variable.
There are at least three common reasons to use it, all involving situations where the value of the variable can change without action from the visible code: When you interface with hardware that changes the value itself; when there's anot...
How are software license keys generated?
...l: unfortunately, if it's any game worth value, someone will break (or at least circumvent) the CD-key algorithm, and all other copyright protections.
REAL CORRECT WAY TO DO IT:
For online-services, life is a bit simpler, since even with the binary file you need to authenticate with their servers...
Things possible in IntelliJ that aren't possible in Eclipse?
... are few features which I'm not sure are present in Eclipse or not. But at least each member of our team who uses Eclipse, also uses some merging tool to merge local changes with changes from source control, usually WinMerge. I never need it - merging in IDEA is enough for me. By 3 clicks I can see ...
How do you maintain development code and production code? [closed]
...will make the program unusable until the new code has been built. The very least we do is to add a "WAIT FOR BUILD" in the check-in comment and/or send out an e-mail.
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When to use the different log levels
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About Debug <-> Trace: Note that at least in Java-land, the order of priority is "debug > trace". That's the convention all logging frameworks I know use (SLF4J, Logback, log4j, Apache Commons Logging, Log4Net, NLog). So Debug < Trace seems unusual to me....
Is it better in C++ to pass by value or pass by constant reference?
...hat you are passing is an rvalue.
In itself, moving an object is still at least as expensive as passing by reference. However, in many cases a function will internally copy an object anyway — i.e. it will take ownership of the argument.2
In these situations we have the following (simplified) tra...