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What programming practice that you once liked have you since changed your mind about? [closed]

...t automatically clean themselves up, such as autoptr, scoped_ptr, CComPtr, etc. – i_am_jorf Jul 7 '09 at 2:54 3 ...
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CSS Properties: Display vs. Visibility

...(i.e. it has height and width properties that you can set, it's floatable, etc), or an inline-block (i.e. it acts like a block box but is laid inline instead) and some others (list-item, table, table-row, table-cell, flex, etc). When you set an element to display: block but also set visibility: hid...
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What methods of ‘clearfix’ can I use?

...he above solutions work for you. They are listed roughly in chronological order. "Beat That ClearFix", a clearfix for modern browsers Thierry Koblentz' of CSS Mojo has pointed out that when targeting modern browsers, we can now drop the zoom and ::before property/values and simply use: .contai...
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Python: Why is functools.partial necessary?

...ly not all, because Guido and I assuredly are among those "familiar with" (etc) yet think of lambda as an eyesore anomaly in Python... He was repentant of ever having accepted it into Python whereas planned to remove it from Python 3, as one of "Python's glitches". I fully supported him in that. (I...
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What is monkey patching?

...ure that your code is context-insensitive, read "Goto considered harmful", etc... – aoeu256 Sep 9 '19 at 16:35 So, it ...
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In Django, how does one filter a QuerySet with dynamic field lookups?

... query criteria (such as just people who completed a certain workshop). In order for the survey element to be re-usable, I needed for the person creating the survey question to be able to attach those criteria to that question (don't want to hard-code the query into the app). The solution I came u...
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Scalar vs. primitive data type - are they the same thing?

... typically contrasted with compounds, such as arrays, maps, sets, structs, etc. A scalar is a "single" value - integer, boolean, perhaps a string - while a compound is made up of multiple scalars (and possibly references to other compounds). "Scalar" is used in contexts where the relevant distinct...
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Read and overwrite a file in Python

...iting changes to the file you are processing without using temporary files etc. The module nicely encapsulates the common operation of looping over the lines in a list of files, via an object which transparently keeps track of the file name, line number etc if you should want to inspect them inside...
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Count(*) vs Count(1) - SQL Server

...vers (such as auto-stats, xevent sessions, query store overhead, triggers, etc.). It is maybe a few thousand extra CPU instructions. So, count(1) does a tiny bit less work during compilation (which will usually happen once and the plan is cached across multiple subsequent executions). For executi...
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What ports does RabbitMQ use?

...differently if changed by someone in the rabbitmq configuration file: vi /etc/rabbitmq/rabbitmq-env.conf Ask the computer to tell you: sudo nmap -p 1-65535 localhost Starting Nmap 5.51 ( http://nmap.org ) at 2014-09-19 13:50 EDT Nmap scan report for localhost (127.0.0.1) Host is up (0.00041s la...