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Node package ( Grunt ) installed but not available
...Now you can install the current version of Grunt local to your project. So from your project's location...
npm install grunt --save-dev
The save-dev switch isn't strictly necessary but is a good idea because it will mark grunt in its package.json devDependencies section as a development only modu...
I forgot the password I entered during postgres installation
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When connecting to postgres from command line, don't forget to add -h localhost as command line parameter. If not, postgres will try to connect using PEER authentication mode.
The below shows a reset of the password, a failed login with PEER authentica...
Why is volatile not considered useful in multithreaded C or C++ programming?
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You might also consider this from the Linux Kernel Documentation.
C programmers have often taken volatile to mean that the variable
could be changed outside of the current thread of execution; as a
result, they are sometimes tempted to use it in ...
Redirecting to previous page after authentication in node.js using passport.js
... but I do have some troubles with redirecting the user to where he started from before being prompted to authenticate.
7 An...
std::cin input with spaces?
...change one line instead of two lines. Change 2 would be to test the return from cin.getline() by using, for example, if (!cin.getline(input, sizeof(input))) { ...handle EOF or error... } or something similar, to remind the OP that input operations, in particular, are vulnerable to unexpected behavio...
How to deal with floating point number precision in JavaScript?
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From the Floating-Point Guide:
What can I do to avoid this problem?
That depends on what kind of
calculations you’re doing.
If you really need your results to add up exactly, especially when you
work wi...
Android How to adjust layout in Full Screen Mode when softkeyboard is visible
...Manager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);
Note - inspiration came from: Hiding Title in a Fullscreen mode
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Android - startActivityForResult immediately triggering onActivityResult
I am launching activities from the main activity in my app using the call startActivityForResult(intent, ACTIVITY_TYPE) , and they are all working but one.
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Why is unsigned integer overflow defined behavior but signed integer overflow isn't?
...he same representation used by the CPU - so the overflow behavior followed from the integer representation used by the CPU.
In practice, it is only the representations for signed values that may differ according to the implementation: one's complement, two's complement, sign-magnitude. For an unsign...
How to write a switch statement in Ruby
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Many programming languages, especially those derived from C, have support for the so-called Switch Fallthrough. I was searching for the best way to do the same in Ruby and thought it might be useful to others:
In C-like languages fallthrough typically looks like this:
switch ...