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mongo group query how to keep fields
Everybody.
In mongo group query, the result shows only the key(s) in arguments. How to keep the first document in each group like mysql query group.
for example:
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When should I use perror(“…”) and fprintf(stderr, “…”)?
Reading the man pages and some code did not really help me in
understanding the difference between - or better, when I should use - perror("...") or fprintf(stderr, "...") .
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What is the Objective-C equivalent for “toString()”, for use with NSLog?
Is there a method that I can override in my custom classes so that when
5 Answers
5
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How do I dump the data of some SQLite3 tables?
...some SQLite3 tables of a database (not all the tables)?
The dump should be in SQL format, as it should be easily re-entered into the database later and should be done from the command line. Something like
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Mockito. Verify method arguments
I've googled about this, but didn't find anything relevant. I've got something like this:
11 Answers
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Xcode 5 & Asset Catalog: How to reference the LaunchImage?
I am using Xcode 5's Asset Catalog, and I would like to use my LaunchImage as the background image of my home view (a pretty common practice to make the transition from 'loading' to 'loaded' look smooth).
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Objective-C parse hex string to integer
I would like to know how to parse a hex string, representing a number, in Objective-C. I am willing to use both an objective, or a C-based method, either is fine.
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How to make IPython notebook matplotlib plot inline
I am trying to use IPython notebook on MacOS X with Python 2.7.2 and IPython 1.1.0.
10 Answers
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Keep-alive header clarification
...o build a site , and one of the co-developer told me That I would need to include the keep-alive header.
1 Answer
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How to git-svn clone the last n revisions from a Subversion repository?
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You've already discovered the simplest way to specify a shallow clone in Git-SVN, by specifying the SVN revision number that you want to start your clone at ( -r$REV:HEAD).
For example: git svn clone -s -r1450:HEAD some/svn/repo
Git's data structure is based on pointers in a directed acycli...