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How to query nested objects?
I have a problem when querying mongoDB with nested objects notation:
3 Answers
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“You don't have a SNAPSHOT project in the reactor projects list.” when using Jenkins Maven release p
I'm using SVN, Maven 3.0.3 on the latest version of Jenkins and the Maven Release plugin. I'm trying to use the Maven release plugin (through Jenkins) do a dry run and so am em>x m>ecuting the options …
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m>X m>code can only refactor C and Objective-C code. How to rename swift class name in m>X m>code 6?
...new Single View Application Project in m>X m>code 6 beta version. I want to rename swift class from ViewController.swift to some other name. But when I select Refactor -> Rename, it gives error m>X m>code can only refactor C and Objective-C code .
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Is returning by rvalue reference more efficient?
for em>x m>ample:
2 Answers
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Does it make sense to do “try-finally” without “catch”?
I saw some code like this:
6 Answers
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SQLite table constraint - unique on multiple columns
I can find syntam>x m> "charts" on this on the SQLite website, but no em>x m>amples and my code is crashing. I have other tables with unique constraints on a single column, but I want to add a constraint to the table on two columns. This is what I have that is causing an SQLiteEm>x m>ception with the message "syn...
How to programmatically set the layout_align_parent_right attribute of a Button in Relative Layout?
I have a relative layout which I am creating programmatically:
4 Answers
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Rails auto-assigning id that already em>x m>ists
...eSQL sequence. The idea of a sequence is that it is only used once.
The simplest solution is to set the sequence for your company.id column to the highest value in the table with a query like this:
SELECT setval('company_id_seq', (SELECT mam>x m>(id) FROM company));
I am guessing at your sequence nam...
Swift and mutating struct
...work.
For C/C++ programmers, this is also very familiar concept. This is em>x m>actly what const keyword do in C/C++.
Also, immutable value can be very nicely optimised. In theory, Swift compiler (or LLVM) can perform copy-elision on values passed by let, just like in C++. If you use immutable struct w...
Copy multiple files in Python
... directory, os.path.isfile() to see if they are regular files (including symbolic links on *nim>x m> systems), and shutil.copy to do the copying.
The following code copies only the regular files from the source directory into the destination directory (I'm assuming you don't want any sub-directories cop...