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When are C++ macros beneficial? [closed]
The C preprocessor is justifiably feared and shunned by the C++ community. In-lined functions, consts and templates are usually a safer and superior alternative to a #define .
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Remove all but numbers from NSString
...n, but how about:
NSString *newString = [[origString componentsSeparatedByCharactersInSet:
[[NSCharacterSet decimalDigitCharacterSet] invertedSet]]
componentsJoinedByString:@""];
It explodes the source string on the set of non-digits, then reassembles them using...
django template display item value or empty string
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Select all columns except one in MySQL?
..._tb ENGINE=MEMORY (SELECT * FROM orig_tb); , otherwise it's saved to disk by default, and survives a server restart. (thanks)
– gregn3
Jul 11 '19 at 18:00
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Aborting a shell script if any command returns a non-zero value?
...xecution is aborted. Perhaps you meant to say that set -e is not inherited by subshells, which is true.
– mklement0
Apr 16 '13 at 4:53
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sho...
Execute code when Django starts ONCE only?
...ise some other arbritary code. I've followed the very nice solution posted by sdolan here , but the "Hello" message is output to the terminal twice . E.g.
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How do I force Sublime Text to indent two spaces per tab?
...rce Sublime Text 2 to always indent two spaces per tab when working with Ruby files?
6 Answers
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How to get disk capacity and free space of remote computer
...h proper case) but is usually shown in lower case, without th "i". See Mebibyte.
– Matthieu
Mar 3 at 12:09
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Python naming conventions for modules
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The issues mentioned are caused by limitations in the editor, and in the use of version control tools, not by the language or programming style. One class per file is detrimental to the code structure. Use spyder or a similar editor to see a summary of your...
In Rails, how do you render JSON using a view?
...st for the JSON format, and you get the added benefit of it being rendered by erb too, so your file could look something like this
{
"first_name": "<%= @user.first_name.to_json %>",
"last_name": "<%= @user.last_name.to_json %>"
}
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