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What does “dereferencing” a pointer mean?
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Reviewing the basic terminology
It's usually good enough - unless you're programming assembly - to envisage a pointer containing a numeric memory address, with 1 referring to the second byte in the process's memory, 2 the third, 3 the fou...
Node.js get file extension
Im creating a file upload function in node.js with express 3.
13 Answers
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How to install an npm package from GitHub directly?
Trying to install modules from github results in:
15 Answers
15
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Align labels in form next to input
I have very basic and known scenario of form where I need to align labels next to inputs correctly. However I don't know how to do it.
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Why are Standard iterator ranges [begin, end) instead of [begin, end]?
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The best argument easily is the one made by Dijkstra himself:
You want the size of the range to be a simple difference end − begin;
including the lower bound is more "natural" when sequences degenerate to empty ones, and al...
How is an overloaded method chosen when a parameter is the literal null value?
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Is null a String variable pointing to nothing ?
A null reference can be converted to an expression of any class type. So in the case of String, this is fine:
String x = null;
The String overload here is chosen because the Java compiler picks ...
Convert array to JSON
...2,3,..] which holds a few integers.
I've added a few values to the array, but I now need to send this array to a page via jQuery's .get method. How can I convert it to a JSON object for sending?
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How to merge 2 JSON objects from 2 files using jq?
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Since 1.4 this is now possible with the * operator. When given two objects, it will merge them recursively. For example,
jq -s '.[0] * .[1]' file1 file2
Important: Note the -s (--slurp) flag, which puts files in the same array.
Would get you:
{
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Is it possible to break a long line to multiple lines in Python [duplicate]
Just like C, you can break a long line into multiple short lines. But in Python , if I do this, there will be an indent error... Is it possible?
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Is there any haskell function to concatenate list with separator?
..."such","a","function","?"]
"is there such a function ?"
intersperse is a bit more general:
Prelude> import Data.List
Prelude Data.List> concat (intersperse " " ["is","there","such","a","function","?"])
"is there such a function ?"
Also, for the specific case where you want to join with a ...