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What does && mean in void *p = &&abc;
I came across a piece of code void *p = &&abc; . What is the significance of && here?
I know about rvalue references but I think && used in this context is different. What does && indicate in void *p = &&abc; ?
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Command substitution: backticks or dollar sign / paren enclosed? [duplicate]
What's the preferred way to do command substitution in bash?
3 Answers
3
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How to load assemblies in PowerShell?
... has no intelligent parser of "partial names" like
.LoadWithPartialNames.
What Microsoft's .Net teams says you're actually supposed to do is something like this:
Add-Type -AssemblyName 'Microsoft.VisualBasic, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
Or, if you know the p...
What are the differences between the threading and multiprocessing modules?
...
What Giulio Franco says is true for multithreading vs. multiprocessing in general.
However, Python* has an added issue: There's a Global Interpreter Lock that prevents two threads in the same process from running Python code...
Undo working copy modifications of one file in Git?
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what's the difference between HEAD and HEAD^?
– hasen
Mar 28 '09 at 22:06
63
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What are the differences between JSON and JSONP?
...ccessing it unless it's assigned to a variable or passed to a function. So what we do instead is tell the web service to call a function on our behalf when it's ready.
For example, we might request some data from a stock exchange API, and along with our usual API parameters, we give it a callback, ...
What does the function then() mean in JavaScript?
...e need to possibly pass in another function to each
xhrGET call to tell it what it needs to do in case of an error. If we wanted to have just one
common error handler, that is not possible.
The Promise API was designed to solve this nesting problem and the
problem of error handling.
The Prom...
What is Ruby's double-colon `::`?
What is this double-colon :: ? E.g. Foo::Bar .
10 Answers
10
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Break promise chain and call a function based on the step in the chain where it is broken (rejected)
...sn't work as expected is that it's actually doing something different from what you think it does.
Let's say you have something like the following:
stepOne()
.then(stepTwo, handleErrorOne)
.then(stepThree, handleErrorTwo)
.then(null, handleErrorThree);
To better understand what's happening, let'...
No newline at end of file
...ow many lines are in the file:
$ wc -l test.txt
1 test.txt
Maybe that's what you want, but in most cases you'd probably expect there to be 2 lines in the file.
Also, if you wanted to combine files it may not behave the way you'd expect:
$ cat test.txt test.txt
first line
second linefirst line
s...