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Exploring Docker container's file system
...derstand what's happening inside a container or what files exist in there. One example is downloading images from the docker index - you don't have a clue what the image contains so it's impossible to start the application.
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Why would I use Scala/Lift over Java/Spring? [closed]
...and useful, especially since Scala has a builtin language-level XML mode. One can write XML inline within Scala methods, including variable bindings in braces. This can be delightful for very simple XML services or mockups of services -- you can bang out a suite of HTTP response actions all in one...
How to select the rows with maximum values in each group with dplyr? [duplicate]
...) per group while the OP's ddply approach with which.max would only return one maximum (the first) per group. To replicate that behavior, another option is to use slice(which.max(value)) in dplyr.
– talat
Jun 25 '15 at 7:23
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What is global::?
...hing I have ever used myself so I don't know what the purpose is. Can someone explain this?
4 Answers
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What do linkers do?
... (an executable file is a file that can be executed on your machine or someone else's machine running the same machine architecture).
Under the hood, when a program is compiled, the compiler converts the source file into object byte code. This byte code (sometimes called object code) is mnemonic i...
Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
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The reason for first one working:
From MSDN:
In string concatenation operations,the C# compiler treats a null string the same as an empty string, but it does not convert the value of the original null string.
More information on the + binary op...
Example of Named Pipes
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If you have the problem that the pipe closes after one read, check this answer: stackoverflow.com/a/895656/941764
– jgillich
Nov 11 '13 at 10:41
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Why does Unicorn need to be deployed together with Nginx?
..., nginx will buffer it from (and spoon feed to) the client. Without nginx, one of your unicorns will be tied up during uploads/downloads.
– BraveNewCurrency
Jul 22 '13 at 1:34
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How can I use “sizeof” in a preprocessor macro?
...o (requires #include <windows.h>), which uses a trick similar to the one described in section 2.
Usage:
C_ASSERT(sizeof(someThing) == PAGE_SIZE);
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Accessing nested JavaScript objects and arays by string path
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great stuff; using the lodash library, one can also do: _.get(object, nestedPropertyString);
– ian
Aug 13 '15 at 12:49
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