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Can someone explain the dollar sign in Javascript?
...ariables and functions.
https://web.archive.org/web/20160529121559/http://www.authenticsociety.com/blog/javascript_dollarsign
That has a clear explanation of what the dollar sign is for.
Here's an alternative explanation: http://www.vcarrer.com/2010/10/about-dollar-sign-in-javascript.html
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Simple (non-secure) hash function for JavaScript? [duplicate]
...realizations of hash functions written in JS. For example:
SHA-1: http://www.webtoolkit.info/javascript-sha1.html
SHA-256: http://www.webtoolkit.info/javascript-sha256.html
MD5: http://www.webtoolkit.info/javascript-md5.html
If you don't need security, you can also use base64 which is not hash-f...
Bash script error [: !=: unary operator expected
... precise original values. And you're missing some quotes, which shellcheck.net will catch (with the warnings linked to a wiki page that describes why those quotes were important).
– Charles Duffy
Jan 14 '19 at 14:56
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What's the difference between passing by reference vs. passing by value?
...ls -- addresses, pointers, dereferencing -- this is all irrelevant; if the net effect is this, it's pass-by-reference).
Now, in modern languages, variables tend to be of "reference types" (another concept invented later than "pass by reference" and inspired by it), i.e. the actual object data is...
ERROR: permission denied for sequence cities_id_seq using Postgres
...SQL 8.2 you have to use:
GRANT USAGE, SELECT ON SEQUENCE cities_id_seq TO www;
GRANT USAGE - For sequences, this privilege allows the use of the currval and nextval functions.
Also as pointed out by @epic_fil in the comments you can grant permissions to all the sequences in the schema with:
GR...
What are the pros and cons of the SVN plugins for Eclipse, Subclipse and Subversive? [closed]
...for last couple years. I would recommend Ohloh to see project info: ohloh.net/p/subversive
– Mark Phippard
Feb 1 '13 at 22:04
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SAML vs federated login with OAuth
... by redirection to the originating third party app.
Looking around on the net you will find overlap between the protocols' capabilities. Authentication via OAuth is perfectly reasonable. SSO over OAuth may not make a lot of sense though as SAML and OpenID are specifically geared towards federated i...
How to create a jQuery plugin with methods?
...'second value'); returns Cannot read property 'end' of undefined. jsfiddle.net/h8v1k2pL
– Alex G
Apr 21 '17 at 14:22
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How do I find the caller of a method using stacktrace or reflection?
...ign decision to get information about the caller is when implementing the .NET INotifyPropertyChanged interface. While this specific example isn't in Java, the same problem can manifest itself when trying to model fields/getters as strings for Reflection.
– Chris Kerekes
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How do I fix PyDev “Undefined variable from import” errors?
...ule to forced builtins doesn't help (see this bug, for example sourceforge.net/tracker/…)
– Boris Gorelik
Nov 7 '10 at 8:35
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