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How does SSL really work?
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The company that owns it
When it was issued
When it expires
Who issued it
Etc.
You can achieve confidentiality (#1 above) by using the public key included in the certificate to encrypt messages that can only be decrypted by the corresponding private key, which should be stored safely on that serv...
What is std::promise?
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@FelixDombek: Perfect forwarding etc. std::function has many constructors; no reason not to expose those to the consumer of my_task.
– Kerrek SB
Feb 18 '14 at 17:50
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What are differences between AssemblyVersion, AssemblyFileVersion and AssemblyInformationalVersion?
... then this means you only update when the major changes, so 1.0, 2.0, 3.0, etc.
AssemblyFileVersion
Used for deployment. You can increase this number for every deployment. It is used by setup programs. Use it to mark assemblies that have the same AssemblyVersion, but are generated from different b...
Does static constexpr variable inside a function make sense?
...al address for runtime code) it will want static to ensure ODR compliance, etc. That is my understanding, at least.
– void.pointer
Jun 11 '15 at 17:54
3
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Default constructor vs. inline field initialization
...ne ivar depends on another through a series of heuristic steps to execute, etc).
@Michael B said:
... I'd prefer to put all initialization code into those (and chain them) rather than splitting it up between constructors and field initializers.
MichaelB (I bow to the 71+ K rep) makes perfect ...
How do I find where an exception was thrown in C++?
...32 structured exception handling (used by the instrumentation) for logging etc.
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var functionName = function() {} vs function functionName() {}
...nction declaration inside a control structure like try, if, switch, while, etc., like this:
if (someCondition) {
function foo() { // <===== HERE THERE
} // <===== BE DRAGONS
}
And since they're processed before step-by-step code is run, it's tricky to know what ...
Execution of Python code with -m option or not
...sion 3.4):
python -Im pdb
usage: pdb.py [-c command] ... pyfile [arg] ...
etc...
from the docs:
-I
Run Python in isolated mode. This also implies -E and -s. In isolated mode sys.path contains neither the script’s directory nor the user’s site-packages directory. All PYTHON* environme...
@property retain, assign, copy, nonatomic in Objective-C
...p track of them. These classes include NSTextView, NSFont and NSColorSpace,etc. If you need to use a weak reference to one of these classes, you must use an unsafe reference.
An unsafe reference is similar to a weak reference in that it doesn’t keep its related object alive, but it won’t be s...
Difference between timestamps with/without time zone in PostgreSQL
...tores a point on the UTC time line. How it looks (how many hours, minutes, etc.) depends on your time zone, but it always refers to the same "physical" instant (like the moment of an actual physical event). The
input is internally converted to UTC, and that's how it's stored. For that, the offset of...