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What is external linkage and internal linkage?
...s internal. Its linkage is changed to external with the keyword extern. So now max can be accessed in other files.
n is defined as an integer variable. The default linkage for variables defined outside function bodies is external.
2.cpp
#include <iostream>
using namespace std;
extern cons...
How do I make text bold in HTML?
...e however, that using <b> is discouraged in favor of CSS for a while now. You would be better off using CSS to achieve that.
The <strong> tag is a semantic element for strong emphasis which defaults to bold.
sha...
What exactly do the Vagrant commands do?
..., when you execute vagrant ssh to ssh into VM. It is utilizing it's well known ssh key. The information on this key is provided by vagrant ssh-config. This is useful in case you want to change the well know key to your own private key and prepare boxes to use that.
Also some times, you may want t...
Differences between hard real-time, soft real-time, and firm real-time?
... the difference between hot and warm. There's not a real divide, but you know it when you feel it.
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How do I make a Git commit in the past?
... with multiple, independent problems here.
Specifying Dates Other Than “now”
Each commit has two dates: the author date and the committer date. You can override each by supplying values through the environment variables GIT_AUTHOR_DATE and GIT_COMMITTER_DATE for any command that writes a new c...
PowerShell: Store Entire Text File Contents in Variable
...ing blank line that may or may not exist) in a variable. I'd also like to know the total number of lines in the text file. What's the most efficient way to do this?
...
How to use base class's constructors and assignment operator in C++?
... down again using the assignment operator. This seems rather inefficient.
Now if you do an assignment you are copying from the bottom up (or top down) but it seems hard for you to do that and provide a strong exception guarantee. If at any point a resource fails to copy and you throw an exception t...
How does LMAX's disruptor pattern work?
... entry, and stores the result in field a in the entry. A then move on, and now B can read the entry, and the value of a A stored. If reader C does not depend on A, C should not attempt to read a.
This is indeed an interesting programming model. Regardless of the performance, the model alone can ben...
Replace Fragment inside a ViewPager
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This only works for me if I call commitNow() instead of commit() when removing the fragment. Not sure why my use case is different, but hopefully this will save someone some time.
– Ian Lovejoy
Nov 21 '16 at 18:00
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Applying a function to every row of a table using dplyr?
...mically formed datatframe? So in this data frame the column names are not known. I am able to add if column names are known.
– Arun Raja
May 4 '15 at 7:49
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