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std::auto_ptr to std::unique_ptr
...As for other differences, unique_ptr can handle arrays correctly (it will call delete[], while auto_ptr will attempt to call delete.
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How to write multiple line string using Bash with variables?
How can I write multi-lines in a file called myconfig.conf using BASH?
6 Answers
6
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Reading and writing binary file
... std::ifstream input( "C:\\Final.gif", std::ios::binary );
// copies all data into buffer
std::vector<unsigned char> buffer(std::istreambuf_iterator<char>(input), {});
}
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Are members of a C++ struct initialized to 0 by default?
...hot s; // receives no initialization
Snapshot s = {}; // value initializes all members
The second will make all members zero, the first leaves them at unspecified values. Note that it is recursive:
struct Parent { Snapshot s; };
Parent p; // receives no initialization
Parent p = {}; // value init...
What is this operator in MySQL?
...r, in the following form:
IS [NOT] DISTINCT FROM
The following is universally supported, but is relative complex:
CASE WHEN (a = b) or (a IS NULL AND b IS NULL)
THEN 1
ELSE 0
END = 1
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What are the differences between git branch, fork, fetch, merge, rebase and clone?
... Subversion and DVCSs like Git is that in Git, when you clone, you are actually copying the entire source repository, including all the history and branches. You now have a new repository on your machine and any commits you make go into that repository. Nobody will see any changes until you push tho...
“Git fatal: ref HEAD is not a symbolic ref” while using maven release plugin
...r and it works too. I think the problem is that the jenkins git plugin normally checks out the branch in detached head state. So the git symbolic-ref command fails. By adding Check out to specific local branch we fix this.
– René Link
Oct 7 '14 at 11:38
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What is an “unwrapped value” in Swift?
...st, you have to understand what an Optional type is. An optional type basically means that the variable can be nil.
Example:
var canBeNil : Int? = 4
canBeNil = nil
The question mark indicates the fact that canBeNil can be nil.
This would not work:
var cantBeNil : Int = 4
cantBeNil = nil // can...
Format a number as 2.5K if a thousand or more, otherwise 900
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Small fix for numbers less < 1000, add {value: 1E0, symbol: ""} to var si =
– Dimmduh
Aug 11 '16 at 10:09
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How can I style an Android Switch?
...h slider images that let part of the thumb move out of the track was especially helpful as i couldn't work out how they were doing that. (the default slider has the pointy edge bits move past the end of the track to make a square end on one side)
– Glenn.nz
Apr...