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putting current class as return type annotation [duplicate]
...e in the -> 'Graph' format now - you can CMD+Click to go to definition, etc
– Daniel Schaffer
May 18 at 20:31
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How can a LEFT OUTER JOIN return more records than exist in the left table?
... join only. It can be arbitrary condition, e.g. date ranges, inequalities, etc. Two extreme cases: (a) N rows have not a single match among M rows, then left outer join results in N rows matched up with NULLs. (b) every of N rows matches all of M rows, then result is N x M rows set.
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How do you use version control with Access development?
...any changes to the database structure (add table fields, query parameters, etc.). At first I thought this might be a problem if someone needed to, as there was no apparent way to remove the Access database from source control if Access didn't have the add-in loaded.
Id discovered that running...
Does Python support short-circuiting?
... it's not just 0, it's 0.0, 0j, decimal.Decimal(0), fractions.Fraction(0), etc.), as are all collections with length 0 (so on top of what you listed, b'' [Py3], u'' [Py2] and set()/frozenset() are all built-ins that evaluate as falsy), but user-defined/third-party types can define their own (with __...
How can I distribute python programs?
...talling Python + dependencies + the app itself (whether through distutils, etc, or just a zip file) is more involved, especially if the developer isn't able to manually configure the target machine himself and needs to provide instructions to the client. At least on Windows, I think that style of d...
How can I redirect HTTP requests made from an iPad?
...full absolute URL.
Ubuntu example below:
The first step is to edit the /etc/hosts file in your dev server. Add the server's local IP, pointing to your site.
127.0.0.1 dev.mysite.com
This hosts file will be used by your Apache proxy when it tries to resolve requests from your iPhone / iPad. So l...
subtle differences between JavaScript and Lua [closed]
...onal operator (?: vs and/or), and, as of 5.3, bitwise operators (&, |, etc. vs. metamethods ).
UPDATE: JS now has the exponentiation operator **.
JS has increment/decrement, type operators (typeof and instanceof), additional assignment operators and additional comparison operators.
In JS, the...
Include all existing fields and add new fields to document
...s mostly created to group/calculate data from collection fields (sum, avg, etc.) and return all the collection's fields is not direct purpose.
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How to install Boost on Ubuntu
...d it to your LD LIBRARY PATH:
sudo sh -c 'echo "/usr/local/lib" >> /etc/ld.so.conf.d/local.conf'
Reset the ldconfig:
sudo ldconfig
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Get the latest record from mongodb collection
... impact will it have if we place limit at the end also how last record is fetched when your are limiting the output to just one document and it must be the top document in collection.
– kailash yogeshwar
Nov 23 '16 at 16:58
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