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How to store a command in a variable in a shell script?

.... It can't handle redirections, pipelines, for/while loops, if statements, etc Another common use case is when running curl with multiple header fields and payload. You can always define args like below and invoke curl on the expanded array content curlArgs=('-H' "keyheader: value" '-H' "2ndkeyheade...
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IntelliJ show JavaDocs tooltip on mouse over

In Eclipse, when hovering over a method, variable, etc. a tooltip is displayed with the corresponding JavaDocs. Is there such a feature in IntelliJ? ...
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What is the difference between re.search and re.match?

... Now, enough talk. Time to see some example code: # example code: string_with_newlines = """something someotherthing""" import re print re.match('some', string_with_newlines) # matches print re.match('someother', string_with_newlines) # won't match print re.match('^someother', s...
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Is there a pattern for initializing objects created via a DI container

... { get { return this.runTimeParam; } } } Notice how this allows us to protect the class' invariants by use of the readonly keyword. No smelly Initialize methods are necessary. An IMyIntfFactory implementation may be as simple as this: public class MyIntfFactory : IMyIntfFactory {...
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Convert xlsx to csv in Linux with command line

... The Gnumeric spreadsheet application comes with a command line utility called ssconvert that can convert between a variety of spreadsheet formats: $ ssconvert Book1.xlsx newfile.csv Using exporter Gnumeric_stf:stf_csv $ cat newfile.csv Foo,Bar,Baz 1,2,3 123.6,7.89, 2012/05/14,, The,last,Line ...
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How to get a specific output iterating a hash in Ruby?

...uld add, that in 1.8 the items will be iterated in random order (well, actually in an order defined by Fixnum's hashing function), while in 1.9 it will be iterated in the order of the literal. share | ...
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Why does std::getline() skip input after a formatted extraction?

..., such the space character, newline character, form feed, carriage return, etc. 3: This is the signature of std::basic_istream<...>::ignore(). You can call it with zero arguments to discard a single character from the stream, one argument to discard a certain amount of characters, or two argum...
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How to convert View Model into JSON object in ASP.NET MVC?

...ew and that is the easiest way to populate basic HTML elements like tables etc. I could send over the same data in JSON format as ViewData but it seems wasteful. – Chris Stephens Jul 29 '10 at 18:08 ...
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Static linking vs dynamic linking

...g it all before it can be used (emptying most of the caches, hitting TLBs) etc. There was a time when this was considered slow. So you would not have any benefit anymore. I do not recall what OS (Solaris or FreeBSD) gave me problems with my Unix build system because I just wasn't doing this and w...
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Remove non-numeric characters (except periods and commas) from a string

...tters from the string. Other characters, such as spaces, brackets, quotes, etc. are kept inside the result. --> Only use this solution, if you know that your input string only contains letters and numbers, and no other characters! – Philipp Sep 14 '18 at 12:...