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Why do we need extern “C”{ #include } in C++?
Why do we need to use:
11 Answers
11
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What is the source code of the “this” module doing?
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@OllieFord: As a joke. Everything the module does, from obfuscating the source code to implementing rot13 from scratch even though it's built into the stdlib, directly violates the Zen of Python. Tim Peters also snuck some subtle jokes into the Zen itself (notice the da...
How do you reverse a string in place in C or C++?
How do you reverse a string in C or C++ without requiring a separate buffer to hold the reversed string?
30 Answers
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What is meant by 'first class object'?
... the aspect of JavaScript where functions are 'first class' objects. What does the 'first class' mean in this context, as opposed to other objects?
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How to measure time taken by a function to execute
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Using performance.now():
var t0 = performance.now()
doSomething() // <---- The function you're measuring time for
var t1 = performance.now()
console.log("Call to doSomething took " + (t1 - t0) + " milliseconds.")
NodeJs: it is required to import the performance cla...
How do I uninstall a package installed using npm link?
When installing a node package using sudo npm link in the package's directory, how can I uninstall the package once I'm done with development?
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Create an Array of Arraylists
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As per Oracle Documentation:
"You cannot create arrays of parameterized types"
Instead, you could do:
ArrayList<ArrayList<Individual>> group = new ArrayList<ArrayList<Individual>>(4);
As suggested by Tom Ha...
C# listView, how do I add items to columns 2, 3 and 4 etc?
...ntrol ( Winform ) I'm using listView1.Items.Add , this works fine but how do I add items to columns 2 and 3 etc?
7 Answer...
How do I call a dynamically-named method in Javascript?
...ative array, and that all global objects are actually properties of the window host object.
var method_name = "Colours";
var method_prefix = "populate_";
// Call function:
window[method_prefix + method_name](arg1, arg2);
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Rename multiple files based on pattern in Unix
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This is how sed and mv can be used together to do rename:
for f in fgh*; do mv "$f" $(echo "$f" | sed 's/^fgh/jkl/g'); done
As per comment below, if the file names have spaces in them, quotes may need to surround the sub-function that returns the name to move the files...