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Is it secure to store passwords as environment variables (rather than as plain text) in config files
...level, I tend to think about levels for security in the following ways (in order of increasing strength) :
No security. Plain text. Anyone that knows where to look, can access the data.
Security by Obfuscation. You store the data (plaintext) someplace tricky, like an environment variable, or in...
What is Inversion of Control?
...rol is inverted... instead of the computer accepting user input in a fixed order, the user controls the order in which the data is entered, and when the data is saved in the database.
Basically, anything with an event loop, callbacks, or execute triggers falls into this category.
...
What is the difference between i++ and ++i?
...prefix (++var) and postfix (var++) versions of ++ do things in a different order with respect to other operations.
It is unsurprising that you'll see a lot of wrong answers to this question. A great many "teach yourself C#" books also get it wrong. Also, the way C# does it is different than how C do...
How to list all Git tags?
...tags?", for Git 2.0+)
git tag --sort=<type>
Sort in a specific order.
Supported type is:
"refname" (lexicographic order),
"version:refname" or "v:refname" (tag names are treated as versions).
Prepend "-" to reverse sort order.
That lists both:
annotated tags:...
Twitter Bootstrap 3: how to use media queries?
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+1 for ordering queries by increasing screen sizes, staying consistent with BS3's mobile-first methodology.
– Jake Berger
Jan 21 '14 at 4:10
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What is a deadlock?
...cks that can be aquired at the same time and they are grabbed in different order.
Ways to avoid having deadlocks are:
avoid having locks (if possible),
avoid having more than one lock
always take the locks in the same order.
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What is the difference between Θ(n) and O(n)?
...ions aren't necessarily specific numbers, but instead functions of varying orders of magnitude such as log(n), n, n^2, (etc.).
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Using braces with dynamic variable names in PHP
...s, properties, and methods will now be evaluated strictly in left-to-right order, as opposed to the mix of special cases in PHP5. The examples below show how the order of evaluation has changed.
Case 1 : $$foo['bar']['baz']
PHP5 interpetation : ${$foo['bar']['baz']}
PHP7 interpetation : ${$foo}['ba...
Algorithms based on number base systems? [closed]
...tly came across a cool algorithm for generating subsets in lexicographical order based on the binary representations of the numbers between 0 and 2n - 1. It uses the numbers' bits both to determine what elements should be chosen for the set and to locally reorder the generated sets to get them into...
How do I return multiple values from a function? [closed]
...riables I'll fold them up in a dictionary. Otherwise I tend to forget the order and content of what I'm returning.
Also, introducing a 'special' structure makes your code more difficult to follow. (Someone else will have to search through the code to find out what it is)
If your concerned about t...