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Why is “copy and paste” of code dangerous? [closed]

...you will need to fix it every place you did and hope you can remember them all (this also holds for changed requirements). If you keep logic in one place, it is easier to change when needed (so if you decide that the application needs updating, you only do it in one place). Have your boss read abo...
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How to convert a char to a String?

... @BinkanSalaryman using javac 1.8.0_51-b16 and then javap to decompile, I see the constructor/method calls I have in the answer. What are you using? – Paul Bellora Jul 24 '15 at 2:55 ...
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Java Set retain order?

...docs, "This implementation spares its clients from the unspecified, generally chaotic ordering provided by HashSet, without incurring the increased cost associated with TreeSet. It can be used to produce a copy of a set that has the same order as the original, regardless of the original set's impl...
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ssh: connect to host github.com port 22: Connection timed out

...o git successfully for quite a while. Now I am not able to push into git all of a sudden. I have set the RSA key and the proxy and double checked them, with no avail and git is throwing me the error shown in the title of the page. ...
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How to check size of a file using Bash?

... be an easier way to check for file sizes instead. I.e. file.txt is normally 100k; how to make a script check if it is less than 90k (including 0), and make it do wget a new copy because the file is corrupt in this case. ...
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Rails DB Migration - How To Drop a Table?

...tp://api.rubyonrails.org/classes/ActiveRecord/Migration.html More specifically, you can see how to drop a table using the following approach: drop_table :table_name share | improve this answer ...
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Allowed memory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php

...austed. Maybe you don't need to read the whole file, maybe read it sequentially. – macbirdie Jan 22 '09 at 10:12 8 ...
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Use grep --exclude/--include syntax to not grep through certain files

... Any suggestions for what to use when --exclude-dir is unavailable? In all my attemps, --exclude does not appear to fit the bill. – JMTyler Mar 31 '14 at 18:05 ...
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How do I run a simple bit of code in a new thread?

...it does. What it does, is configure whether the thread will be killed when all foreground threads have died, or whether the thread will keep the application alive. If you don't want your thread terminated mid-execution, do not set IsBackground to true. – Zero3 ...
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In Java, is there a way to write a string literal without having to escape quotes?

...ing literal with a lot of quotation marks inside it. You could escape them all, but it's a pain, and difficult to read. 8 A...