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c++11 std::call_once只调用一次函数，类似单例模式 - C/C++ - 清泛网 - 专...
c++11 std::call_once只调用一次函数，类似单例模式std_call_oncestd::call_once 保证函数或者一些代码段在并发或者多线程的情况下，始终只会被执行一次，Demo如下： include <iostream> include <thread>static std::once_flag g_once_flag std::call_once 保证...
Easiest way to pass an AngularJS scope variable from directive to controller?
What is the easiest way to pass an AngularJS scope variable from directive to controller? All of the examples that I've seen seem so complex, isn't there a way I can access a controller from a directive, and set one of it's scope variables?
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Should I use Java date and time classes or go with a 3rd party library like Joda Time?
I'm creating a web based system which will be used in countries from all over the world. One type of data which must be stored is dates and times.
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How to represent multiple conditions in a shell if statement?
I want to represent multiple conditions like this:
8 Answers
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How to configure MongoDB Java driver MongoOptions for production use?
I've been searching the web looking for best practices for configuring MongoOptions for the MongoDB Java driver and I haven't come up with much other than the API. This search started after I ran into the "com.mongodb.DBPortPool$SemaphoresOut: Out of semaphores to get db
connection" error and by in...
Creating a simple XML file using python
What are my options if I want to create a simple XML file in python? (library wise)
6 Answers
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How to add a local repo and treat it as a remote repo
I'm trying to make a local repo act as a remote with the name bak for another local repo on my PC, using the following:
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Is it .yaml or .yml?
According to yaml.org , the official file extension is .yaml .
4 Answers
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Exclude folders from Eclipse search
Is there a way to exclude certain folders (and all their subfolders) from searching within Eclipse?
6 Answers
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How to get different colored lines for different plots in a single figure?
I am using matplotlib to create the plots. I have to identify each plot with a different color which should be automatically generated by Python.
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