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Example of UUID generation using Boost in C++
I want to generate just random UUID's, as it is just important for instances in my program to have unique identifiers. I looked into Boost UUID , but I can't manage to generate the UUID because I don't understand which class and method to use.
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How to exit if a command failed?
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Use { } in place of ( )
Introduce ; after exit and
spaces after { and before }
Since you want to print the message and exit only when the command fails ( exits with non-zero value) you need a || not an &&.
cmd1 && cmd2
will run cmd2 when cmd1 succeeds(exit value 0). Where as
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In Objective-C, what is the equivalent of Java's “instanceof” keyword?
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Try [myObject class] for returning the class of an object.
You can make exact comparisons with:
if ([myObject class] == [MyClass class])
but not by using directly MyClass identifier.
Similarily, you can find if the object is of a subclass of ...
nodejs require inside TypeScript file
...d a symbol. The compiler comes together with a set of default definitions for window, document and such specified in a file called lib.d.ts. If I do a grep for require in this file I can find no definition of a function require. Hence, we have to tell the compiler ourselves that this function will e...
MySQL's now() +1 day
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Or DATE_ADD(NOW(), INTERVAL 1 DAY)
– Konsumierer
Aug 9 '13 at 15:23
4
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How to import local packages without gopath
I've used GOPATH but for this current issue I'm facing it does not help. I want to be able to create packages that are specific to a project:
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Mipmap drawables for icons
...roid 4.3 (Jelly Bean) we can now make use of the res/mipmap folders to store "mipmap" images.
11 Answers
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PHP Warning: PHP Startup: Unable to load dynamic library
I run a PHP script and get this error:
19 Answers
19
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Remove first element from $@ in bash [duplicate]
...irst argument shouldn't be looped over, and instead needs to be checked before the loop.
4 Answers
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RESTfully design /login or /register resources?
...d to think about how my api should be designed as a RESTful web service. For now, most of my URI's are generic and might apply to various web apps:
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