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Is mathematics necessary for programming? [closed]

...lege days whether advanced mathematics is necessary for any veteran programmer. He used to argue fiercely against that. He said that programmers need only basic mathematical knowledge from high school or fresh year college math, no more no less, and that almost all of programming tasks can be achiev...
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How to remove focus without setting focus to another control?

... Using clearFocus() didn't seem to be working for me either as you found (saw in comments to another answer), but what worked for me in the end was adding: <LinearLayout android:id="@+id/my_layout" android:focusable="true" android:focusableInTouchMode="tr...
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How do I hide an element on a click event anywhere outside of the element?

I would like to know whether this is the correct way of hiding visible elements when clicked anywhere on the page. 20 Answ...
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Can I change a private readonly field in C# using reflection?

... sense. Your solution works perfectly fine (tested again, correctly this time) – Sage Pourpre Apr 17 '15 at 2:57 how c...
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How do I specify a password to 'psql' non-interactively?

... From the official documentation: It is also convenient to have a ~/.pgpass file to avoid regularly having to type in passwords. See Section 30.13 for more information. ... This file should contain lines of the following format: hostnam...
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A more pretty/informative Var_dump alternative in PHP? [closed]

Every decent PHP programmer has a print_r or var_dump wrapper they use, love and assign shortcut keys to, why don't we share our favourite ones . ...
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How to stop event bubbling on checkbox click

I have a checkbox that I want to perform some Ajax action on the click event, however the checkbox is also inside a container with it's own click behaviour that I don't want to run when the checkbox is clicked. This sample illustrates what I want to do: ...
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How to install Boost on Ubuntu

...er tried this myself, so I can't say if it is easy to use (but it seems to me that package manager is the easiest way). I should have posted this suggestion as a comment, but I can't comment questions. – Anton Guryanov Sep 25 '12 at 9:13 ...
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How to get a random number in Ruby

... Finally, if you just need a random float, just call rand with no arguments. As Marc-André Lafortune mentions in his answer below (go upvote it), Ruby 1.9.2 has its own Random class (that Marc-André himself helped to debug, hence the 1.9.2 target for that feature). For instance, in this ...
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How to display nodejs raw Buffer data as Hex string

...ues. Please use the Buffer.alloc(), Buffer.allocUnsafe(), or Buffer.from() methods instead. So now it should be Buffer.from( buf.toString('hex'),'hex'); – flob Mar 12 '19 at 12:47 ...