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How to avoid annoying error “declared and not used”
I'm learning Go but I feel it is a bit annoying that when compiling, I should not leave any variable or package unused.
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When to use MongoDB or other document oriented database systems? [closed]
...latform for video- and audio-clips, photos and vector-grafics. We started with MySQL as the database backend and recently included MongoDB for storing all meta-information of the files, because MongoDB better fits the requirements. For example: photos may have Exif information, videos may have a...
Use email address as primary key?
... if you simply retrieve a user from the database using the e-mail address. It does matter if you have complex queries with multiple joins.
If you store information about users in multiple tables, the foreign keys to the users table will be the e-mail address. That means that you store the e-mail ad...
How to modify a global variable within a function in bash?
I'm working with this:
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CSS/HTML: What is the correct way to make text italic?
What is the correct way to make text italic? I have seen the following four approaches:
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Tools for JPEG optimization? [closed]
...ate into our build environment? For PNGs I'm currently using PNGOUT , and it generally saves around 40% bandwidth/image size.
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Difference between staticmethod and classmethod
What is the difference between a function decorated with @staticmethod and one decorated with @classmethod ?
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Is it valid to define functions in JSON results?
Part of a website's JSON response had this (... added for context):
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Why should I capitalize my SQL keywords? [duplicate]
...tring of uppercase characters. Is some old/popular flavor of SQL case-sensitive or something?
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What is external linkage and internal linkage?
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When you write an implementation file (.cpp, .cxx, etc) your compiler generates a translation unit. This is the source file from your implementation plus all the headers you #included in it.
Internal linkage refers to everything only ...