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When is the init() function run?
...
Yes assuming you have this:
var WhatIsThe = AnswerToLife()
func AnswerToLife() int {
return 42
}
func init() {
WhatIsThe = 0
}
func main() {
if WhatIsThe == 0 {
fmt.Println("It's all a lie.")
}
}
AnswerToLife() is...
Was PreferenceFragment intentionally excluded from the compatibility package?
...I easily target a range of devices (i.e. < 3.0 and >=3.0) or will I have to jump through hoops?
I consider it to be done "easily". Have two separate PreferenceActivity implementations, one using preference headers and PreferenceFragments, the other using the original approach. Choose the rig...
Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
... quite apparent that the standard C++ library that ships with g++ doesn't have thread pools. But I can definitely see a case for them. Even with the overhead of having to shove the call through some kind of inter-thread queue, it would likely be cheaper than starting up a new thread. And the standar...
Linux平台编译curl：checking run-time libs availability... failed - 更...
Linux平台编译curl：checking run-time libs availability... failed64位编译1）configure过程失败如下， checking run-time libs availability failed configure: error: one or more libs av 64位编译
1）configure过程失败如下，
checking run-time libs availability...
What's an object file in C?
I am reading about libraries in C but I have not yet found an explanation on what an object file is. What's the real difference between any other compiled file and an object file?
I would be glad if someone could explain in human language.
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List all developers on a project in Git
...s it possible to list all users that contributed to a project (users that have done commits) in Git?
9 Answers
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Practical usage of setjmp and longjmp in C
...tuations are similar to situation where exception in other langages (C++, Java) make sense.
Coroutines
Besides error handling, I can think also of another situation where you need setjmp/longjmp in C:
It is the case when you need to implement coroutines.
Here is a little demo example.
I hope it ...
How to filter files when using scp to copy dir recursively?
...g like rsync for this due to its include and exclude flags, e.g:-
rsync -rav -e ssh --include '*/' --include='*.class' --exclude='*' \
server:/usr/some/unknown/number/of/sub/folders/ \
/usr/project/backup/some/unknown/number/of/sub/folders/
Some other useful flags:
-r for recursive
-a for arch...
Why would finding a type's initializer throw a NullReferenceException?
...t me stumped. I was trying to optimize some tests for Noda Time, where we have some type initializer checking. I thought I'd find out whether a type has a type initializer (static constructor or static variables with initializers) before loading everything into a new AppDomain . To my surprise, a...
SQL-Server: Error - Exclusive access could not be obtained because the database is in use
... answered Mar 5 '14 at 21:34
Dave MasonDave Mason
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