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How to export all collections in MongoDB?
I want to export all collections in MongoDB by the command:
26 Answers
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What are the -Xms and -Xmx parameters when starting JVM?
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The flag Xmx specifies the maximum memory allocation pool for a Java virtual machine (JVM), while Xms specifies the initial memory allocation pool.
This means that your JVM will be started with Xms amount of memory and will be able to use a maximum of Xmx amount of ...
Why does the 260 character path length limit exist in Windows?
... answered Dec 10 '09 at 11:45
vallivalli
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GraphViz - How to connect subgraphs?
...nodes.
– Winston Smith
Jan 6 '10 at 11:24
5
In case anyone is interested in, this can cause posit...
Where to define custom error types in Ruby and/or Rails?
... error types in a Ruby library (gem) or Ruby on Rails application? Specifically:
5 Answers
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Remove the last line from a file in Bash
...e, while $ means "the last line in the file". When specifying a location (called "range" in sed lingo) before a command, that command is only applied to the specified location. So, this command explicitly says "in the range of the last line in a file, delete it". Quite slick and straight to the poin...
What's the difference between size_t and int in C++?
...ndly Wikipedia:
The stdlib.h and stddef.h header files define a datatype called size_t which is used to represent the size of an object. Library functions that take sizes expect them to be of type size_t, and the sizeof operator evaluates to size_t.
The actual type of size_t is platform-dependent; ...
Why does Windows64 use a different calling convention from all other OSes on x86-64?
AMD has an ABI specification that describes the calling convention to use on x86-64. All OSes follow it, except for Windows which has it's own x86-64 calling convention. Why?
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Input and Output binary streams using JERSEY?
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This consumes all bytes into memory, which means large files could bring down the server. The purpose of streaming is to avoid consuming all bytes into memory.
– Robert Christian
Jan 15 '16 at 0:34
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What is the difference between native code, machine code and assembly code?
...ece of metal that does the actual work) understands and executes directly. All other code must be translated or transformed into machine code before your machine can execute it.
Native code: This term is sometimes used in places where machine code (see above) is meant. However, it is also sometimes...