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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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How would one write object-oriented code in C? [closed]
What are some ways to write object-oriented code in C? Especially with regard to polymorphism.
32 Answers
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How do I show the value of a #define at compile-time?
...ring. When there is more than one component to the argument then they must all be strings so that string concatenation can be applied. The preprocessor can never assume that an unquoted string should be treated as if it were quoted. If it did then:
#define ABC 123
int n = ABC;
would not compile.
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Converting XML to JSON using Python?
... It's already been mentioned in newer answers. It still only covers a small subset of valid XML constructs, but probably the majority of what people use in practice.
– Dan Lenski
Dec 5 '18 at 11:48
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Create a tag in a GitHub repository
...m the official Linux Kernel Git documentation for git push:
--tags
All refs under refs/tags are pushed, in addition to refspecs explicitly listed on the command line.
Or if you just want to push a single tag:
git push origin <tag>
See also my answer to How do you push a tag to a r...
What is the difference between typeof and instanceof and when should one be used vs. the other?
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@Luke generally a bad idea to use "new String" like this. that creates a "string object" rather than a string primitive. see section here developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Colin D
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What is the reason why “synchronized” is not allowed in Java 8 interface methods?
...t seem sensible to extend this semantics to default methods as well; after all, they are instance methods with a receiver too. (Note that synchronized methods are entirely a syntactic optimization; they're not needed, they're just more compact than the corresponding synchronized block. There's a r...
How to check an Android device is HDPI screen or MDPI screen?
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for nexus 6p i am getting 3.5 , which category will it fall into ?
– Manohar Reddy
Nov 16 '16 at 6:12
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Could not locate Gemfile
...application on my server using Ruby, Gems, and Bundler. I am trying to install another Ruby on under a different user account but on the same VPS. When I go to run
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Vim delete blank lines
... Thanks soulmerge. This is my favorite answer, since it actually explains what the :g command does.
– Tim Swast
Aug 15 '11 at 19:03
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