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What is the difference between a Docker image and a container?
...ing container of this image. You can have many running containers of the same image.
You can see all your images with docker images whereas you can see your running containers with docker ps (and you can see all containers with docker ps -a).
So a running instance of an image is a container.
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Why .NET String is immutable? [duplicate]
...e fact that aliasing can't produce changes (if x and y both refer to the same object a change to x entails a change to y) allows for considerable compiler optimisations.
Memory-saving optimisations are also possible. Interning and atomising being the most obvious examples, though we can do other ver...
What is the rationale for fread/fwrite taking size and count as arguments?
...d a discussion here at work regarding why fread and fwrite take a size per member and count and return the number of members read/written rather than just taking a buffer and size. The only use for it we could come up with is if you want to read/write an array of structs which aren't evenly divisibl...
Java resource as file
...owever, I don't believe there's any way of "listing" the contents of an element of the classpath.
In some cases this may be simply impossible - for instance, a ClassLoader could generate data on the fly, based on what resource name it's asked for. If you look at the ClassLoader API (which is basica...
Choose Git merge strategy for specific files (“ours”, “mine”, “theirs”)
...dle of rebasing after a git pull --rebase . I have a few files that have merge conflicts. How can I accept "their" changes or "my" changes for specific files?
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Can you resolve an angularjs promise before you return it?
I am trying to write a function that returns a promise. But there are times when the information requested is available immediately. I want to wrap it in a promise so that the consumer doesn't need to make a decision.
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What is an MvcHtmlString and when should I use it?
The documentation for MvcHtmlString is not terribly enlightening:
4 Answers
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Assign one struct to another in C
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Yes if the structure is of the same type. Think it as a memory copy.
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Android: Want to set custom fonts for whole application not runtime
... custom font in every control of the application? And not necessarily runtime ? (i.e. from xml if possible or only once for whole application in JAVA file)
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Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...返回值和Go语言一样，可以一条语句上赋多个值，如：name, age, bGay = "haoel", 37, false, "haoel@hotmail.com"复制代码
上面的代码中，因为只有3个变量，所以第四个值被丢弃。函数也可以返回多个值：function getUserInfo(id)
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