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How do I trim whitespace from a string?
...l-accepted and meaningful names that the vast majority of languages use in order to be "unique" and "different" - strip instead of trim, isinstance instead of instanceof, list instead of array, etc, etc. Why not just use the names everyone is familiar with?? geez :P
– Gershom
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D Programming Language in the real world? [closed]
...er projects that for whatever reason can afford to ditch the C++ legacy in order to gain a programming language that's much more enjoyable to use, and perhaps more productive too.
But until there's a huge number of grass-roots users there won't be much in the way of big corporate users I suspect.
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Undefined reference to `sin` [duplicate]
...e POSIX standard to provide their software on "POSIX compliant systems" in order to reach more platforms.
UNIX customers demanded "POSIX compliant" UNIX systems to run the software.
The pressures that fed into the decision to put -lm in a different library probably included, but are not limited to...
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:...
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...
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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Command to change the default home directory of a user
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The order of options for the second command is wrong. usermod -m -d /newhome/username username works.
– Snozzlebert
Oct 21 '19 at 17:50
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jQuery table sort
...will sort lists, tables, divs or anything else, in ascending or descending order. I have also used it to sort by different data-types like currency or year - just provide your own function that returns the data to sort by. (I like to keep those functions separate, and give them meaningful names, to ...
Difference between EXISTS and IN in SQL?
... will tell you whether a query returned any results. e.g.:
SELECT *
FROM Orders o
WHERE EXISTS (
SELECT *
FROM Products p
WHERE p.ProductNumber = o.ProductNumber)
IN is used to compare one value to several, and can use literal values, like this:
SELECT *
FROM Orders
WHERE Produ...
What are good alternatives to SQL (the language)? [closed]
...elational algebra. One issue is the lack of support for the use of domain ordering, which you run into when you work with data marked by dates, timestamps, etcetera. I once tried to do a reporting application entirely in plain SQL on a database full of timestamps and it just wasn't feasible. Ano...