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How to debug strea<em>mem>().<em>mem>ap(…) with la<em>mem>bda expressions?
In our project we are <em>mem>igrating to java 8 and we are testing the new features of it.
6 Answers
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Set every cell in <em>mem>atrix to 0 if that row or colu<em>mem>n contains a 0
Given a NxN <em>mem>atrix with 0s and 1s. Set every row that contains a 0 to all 0 s and set every colu<em>mem>n that contains a 0 to all 0 s.
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<em>Mem>ove entire line up and down in Vi<em>mem>
In Notepad++, I can use Ctrl + Shift + Up / Down to <em>mem>ove the current line up and down. Is there a si<em>mem>ilar co<em>mem><em>mem>and to this in Vi<em>mem>? I have looked through endless guides, but have found nothing.
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Auto<em>mem>atic counter in Ruby for each?
...dex
but if you want indices with an iterator different to "each" (for exa<em>mem>ple, if you want to <em>mem>ap with an index or so<em>mem>ething like that) you can concatenate enu<em>mem>erators with the each_with_index <em>mem>ethod, or si<em>mem>ply use with_index:
blahs.each_with_index.<em>mem>ap { |blah, index| so<em>mem>ething(blah, index)}
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Adding one day to a date
<em>Mem>y code to add one day to a date returns a date before day adding:
2009-09-30 20:24:00 date after adding one day SHOULD be rolled over to the next <em>mem>onth: 1970-01-01 17:33:29
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Is there a way to instantiate objects fro<em>mem> a string holding their class na<em>mem>e?
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Nope, there is none, unless you do the <em>mem>apping yourself. C++ has no <em>mem>echanis<em>mem> to create objects whose types are deter<em>mem>ined at runti<em>mem>e. You can use a <em>mem>ap to do that <em>mem>apping yourself, though:
te<em>mem>plate&a<em>mem>p;lt;typena<em>mem>e T&a<em>mem>p;gt; Base * createInstance() { return new T; }
typ...
Javascript: negative lookbehind equivalent?
...t of a negative lookbehind in javascript regular expressions? I need to <em>mem>atch a string that does not start with a specific set of characters.
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How to calculate ti<em>mem>e elapsed in bash script?
I print the start and end ti<em>mem>e using date +"%T" , which results in so<em>mem>ething like:
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How do you clear a stringstrea<em>mem> variable?
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For all the standard library types the <em>mem>e<em>mem>ber function e<em>mem>pty() is a query, not a co<em>mem><em>mem>and, i.e. it <em>mem>eans "are you e<em>mem>pty?" not "please throw away your contents".
The clear() <em>mem>e<em>mem>ber function is inherited fro<em>mem> ios and is used to clear the error state of the strea<em>mem>, e...
How can I concatenate regex literals in JavaScript?
Is it possible to do so<em>mem>ething like this?
12 Answers
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