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How to enter in a Docker container already running with a new TTY
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1106
With docker 1.3, there is a new command docker exec. This allows you to enter a running contain...
PHP file_get_contents() and setting request headers
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320
Actually, upon further reading on the file_get_contents() function:
// Create a stream
$opts = ...
Get selected element's outer HTML
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2014 Edit : The question and this reply are from 2010. At the time, no better solution was widely available. Now, many of the other replies are better : Eric Hu's, or Re Capcha's for example.
This site seems to have a solutio...
Android: Access child views from a ListView
...f Feet's answer above, can give you something like:
int wantedPosition = 10; // Whatever position you're looking for
int firstPosition = listView.getFirstVisiblePosition() - listView.getHeaderViewsCount(); // This is the same as child #0
int wantedChild = wantedPosition - firstPosition;
// Say, fir...
How do you get centered content using Twitter Bootstrap?
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For other types of content, see Flavien's answer.
Update: Bootstrap 2.3.0+ Answer
The original answer was for an early version of bootstrap. As of bootstrap 2.3.0, you can simply give the div the class .text-center.
Original Answer (pre 2.3.0)
You need to define one of the two classes, row o...
Is a `=default` move constructor equivalent to a member-wise move constructor?
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60
Yes both are the same.
But
struct Example {
int a, b;
Example(int mA, int mB) : a{mA},...
std::vector versus std::array in C++
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answered Dec 12 '10 at 23:13
Matteo ItaliaMatteo Italia
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Programmatically Request Access to Contacts
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180
As per this documentation on apple's site (scroll down to Privacy in the middle of the page), ac...
Effects of the extern keyword on C functions
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140
We have two files, foo.c and bar.c.
Here is foo.c
#include <stdio.h>
volatile unsigned ...
How do I pass the value (not the reference) of a JS variable to a function? [duplicate]
...the let or const keywords to create a block-scoped variable:
for (let i = 0; i < results.length; i++) {
let marker = results[i];
google.maps.event.addListener(marker, 'click', () => change_selection(i));
}
In older browsers, you need to create a separate scope that saves the variable ...