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SQL - many-to-many table primary key
...d quickly.
In addition, the vast majority of database tables are read far more often than written. That makes anything you do on the select side far more relevant than anything on the insert side.
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Placing border inside of div and not on its edge
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+1. For a little more background: css-tricks.com/box-sizing or paulirish.com/2012/box-sizing-border-box-ftw
– isotrope
Mar 7 '12 at 14:00
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Regexp Java for password validation
...s will hardly make any difference, for much longer strings it could be the more efficient variant.
The most efficient variant (but hardest to read and maintain, therefore the most error-prone) would be (?=[^xyz]*[xyz]), of course. For a regex of this length and for this purpose, I would dis-recomme...
Is there a way to measure how sorted a list is?
...sorting algorithm you choose, you will end up with an algorithm that is no more expensive (in terms of complexity) than the sorting algorithm you started with.
If you take this route, be aware that it's not as simple as counting "swaps." Mergesort, for example, is worst case O(N log N), yet if it is...
In Windows Azure: What are web role, worker role and VM role?
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EDIT 3/3/2013 - updated to reference UDP endpoints, Virtual Machines, and more languages
EDIT 6/6/2013 - updated to reflect the discontinuation of VM Role, and update to web/worker role baseline OS images to Windows Server 2012
Good link by @Vladimir. A bit more clarification: All roles (web, wor...
How to install PyQt4 on Windows using pip?
...p27 means C-python version 2.7, cp35 means python 3.5, etc.
Since Qt is a more complicated system with a compiled C++ codebase underlying the python interface it provides you, it can be more complex to build than just a pure python code package, which means it can be hard to install it from source....
How to automatically start a service when running a docker container?
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no, see more in stackoverflow.com/questions/46800594/…
– Larry Cai
Mar 9 '19 at 15:10
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Scala: write string to file in one statement
...er the comment above, while this is a one liner, it is unsafe. If you want more safety while having more options around location and/or buffering the input, see the answer I just posted on a similar thread: stackoverflow.com/a/34277491/501113
– chaotic3quilibrium
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How do I ignore all files in a folder with a Git repository in Sourcetree?
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