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Why is the Stri<em>nem>g class declared fi<em>nem>al i<em>nem> Java?

...eme<em>nem>ted as immutable objects. You should read about immutability to u<em>nem>derst<em>a<em>nem>dem> more about it. O<em>nem>e adva<em>nem>tage of immutable objects is that You ca<em>nem> share duplicates by poi<em>nem>ti<em>nem>g them to a si<em>nem>gle i<em>nem>sta<em>nem>ce. (from here). If Stri<em>nem>g were <em>nem>ot fi<em>nem>al, you could create a subclass <em>a<em>nem>dem> have two stri<em>nem>gs tha...
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What makes a keychai<em>nem> item u<em>nem>ique (i<em>nem> i<em>OSem>)?

...ws (derived from ope<em>nem> source files from Apple, see Schema.m4, KeySchema.m4 <em>a<em>nem>dem> SecItem.cpp): For a keychai<em>nem> item of class kSecClassGe<em>nem>ericPassword, the primary key is the combi<em>nem>atio<em>nem> of kSecAttrAccou<em>nem>t <em>a<em>nem>dem> kSecAttrService. For a keychai<em>nem> item of class kSecClassI<em>nem>ter<em>nem>etPassword, the primary key is...
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Dump a mysql database to a plai<em>nem>text (CSV) backup from the comm<em>a<em>nem>dem> li<em>nem>e

... mysqldump, I'm all ears. Also, I'd like somethi<em>nem>g I ca<em>nem> ru<em>nem> from the comm<em>a<em>nem>dem> li<em>nem>e (li<em>nem>ux). If that's a mysql script, poi<em>nem>ters to how to make such a thi<em>nem>g would be helpful. ...
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How do I script a “yes” respo<em>nem>se for i<em>nem>stalli<em>nem>g programs?

I work with Amazo<em>nem> Li<em>nem>ux i<em>nem>sta<em>nem>ces <em>a<em>nem>dem> I have a couple scripts to populate data <em>a<em>nem>dem> i<em>nem>stall all the programs I work with, but a couple of the programs ask: ...
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How ca<em>nem> I reverse a list i<em>nem> Pytho<em>nem>?

...ci<em>nem>g, such as ra<em>nem>ge(1,4)[::-1], reversed() is easier to read, ru<em>nem>s faster, <em>a<em>nem>dem> uses substa<em>nem>tially less memory. " – Jim Oldfield Aug 20 '16 at 15:55 5 ...
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Remove HTML tags from a Stri<em>nem>g

..., which is very useful if you wa<em>nem>t to allow o<em>nem>ly e.g. &lt;b&gt;, &lt;i&gt; <em>a<em>nem>dem> &lt;u&gt;. See also: RegEx match ope<em>nem> tags except XHTML self-co<em>nem>tai<em>nem>ed tags What are the pr<em>osem> <em>a<em>nem>dem> co<em>nem>s of the leadi<em>nem>g Java HTML parsers? XSS preve<em>nem>tio<em>nem> i<em>nem> JSP/Servlet web applicatio<em>nem> ...
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How to add a progress bar to a shell script?

Whe<em>nem> scripti<em>nem>g i<em>nem> bash or a<em>nem>y other shell i<em>nem> *<em>Nem>IX, while ru<em>nem><em>nem>i<em>nem>g a comm<em>a<em>nem>dem> that will take more tha<em>nem> a few seco<em>nem>ds, a progress bar is <em>nem>eeded. ...
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Summarizi<em>nem>g multiple colum<em>nem>s with dplyr? [duplicate]

... a bit with the dplyr-sy<em>nem>tax. I have a data frame with differe<em>nem>t variables <em>a<em>nem>dem> o<em>nem>e groupi<em>nem>g variable. <em>Nem>ow I wa<em>nem>t to calculate the mea<em>nem> for each colum<em>nem> withi<em>nem> each group, usi<em>nem>g dplyr i<em>nem> R. ...
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Weak <em>a<em>nem>dem> stro<em>nem>g property setter attributes i<em>nem> Objective-C

What is the differe<em>nem>ce betwee<em>nem> weak <em>a<em>nem>dem> stro<em>nem>g property setter attributes i<em>nem> Objective-C? 5 A<em>nem>swers ...
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foreach with i<em>nem>dex [duplicate]

Is there a C# equivale<em>nem>t of Pytho<em>nem>'s e<em>nem>umerate() <em>a<em>nem>dem> Ruby's each_with_i<em>nem>dex ? 10 A<em>nem>swers ...