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What does the line “#!/bin/sh” mean in a UNIX shell script?

... It's called a shebang, and tells the parent shell which interpreter should be used to execute the script. e.g. #!/usr/bin/perl <--perl script' #!/usr/bin/php <-- php script #!/bin/false <--- do-nothing script, because ...
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.NET WebAPI Serialization k_BackingField Nastiness

...rk with Web API. Just leave your model as is, and Web API would serialize all the public properties for you. Only if you want to have more control about what's included, you then decorate your class with [DataContract] and the properties to be included with [DataMember] (because both DCS and JSON...
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Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space

... I marked this answer correct after all these years, because i looked back and the accepted didn't exclude underscores – Michael Randall Apr 12 '18 at 11:23 ...
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What makes a keychain item unique (in iOS)?

...the keychain access group (field kSecAttrAccessGroup) is an added field to all these primary keys. share | improve this answer | follow | ...
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Any way to force strict mode in node?

...newer the --use_strict flag works as expected. – TooTallNate Feb 5 '13 at 5:52 21 Note that --use...
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Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?

.....] Boolean values behave like the values 0 and 1, respectively, in almost all contexts, the exception being that when converted to a string, the strings "False" or "True" are returned, respectively. There is also, for Python 2: In numeric contexts (for example when used as the argument to an ...
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Database design for audit logging

...a of what the old record looked like. So for example, if you had a table called Opportunities to track sales deals, you would actually create two separate tables: Opportunities Opportunities_Content (or something like that) The Opportunities table would have information you'd use to uniquely iden...
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`new function()` with lower case “f” in JavaScript

...er case "f" to define new objects in JavaScript. It seems to work well in all major browsers and it also seems to be fairly effective at hiding private variables. Here's an example: ...
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Stash just a single file

...to other even more tricky things in the future, remember that: Stash is really just a very simple alternative to the only slightly more complex branch sets. Stash is very useful for moving things around quickly, but you can accomplish more complex things with branches without that much more headac...
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How to match any non white space character except a particular one?

...The above answer will only return the first match of a string. If you want all matches to be returned add the g modifier. /[^\s\\]/g – Ben Carp Dec 1 '19 at 12:13 ...