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Should you commit .gitignore into the Git repos?
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It is a good practice to .gitignore at least your build products (programs, *.o, etc.).
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Hidden features of Perl?
... # make sure to get whole filename
(
[^'] + # at least one non-quote
\. # extension dot
(?: # now either suffix
gz
| Z
)
)
\z # through the end
}{gzcat '$1' |}xs for @ARGV;
(quotes around $_ necessary ...
unsigned int vs. size_t
...formance toll on some platforms. Standard C requires that a long occupy at least 32 bits. An IP16L32 platform implements each 32-bit long as a pair of 16-bit words. Almost all 32-bit operators on these platforms require two instructions, if not more, because they work with the 32 bits in two 16-bit ...
Process all arguments except the first one (in a bash script)
...st looks fairly old, the easiest solution in bash is illustrated below (at least bash 4) using set -- "${@:#}" where # is the starting number of the array element we want to preserve forward:
#!/bin/bash
someVar="${1}"
someOtherVar="${2}"
set -- "${@:3}"
input=${@}
[[ "${i...
Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP
...ng filtered. This problem might just be a Netbeans bug (in version 8.1 at least).
– user3640967
Jan 5 '16 at 10:11
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Can you get DB username, pw, database name in Rails?
...I think this is the simplest solution. After some testing (in Rails 5.2 at least) this will resolve DATABASE_URL correctly.
ActiveRecord::Base.configurations[Rails.env]
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CruiseControl [.Net] vs TeamCity for continuous integration?
...an't stand a CI server up quickly to do a side-by-side comparison, then at least you have a data point for easy of install and/or configuration.
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What is the 'new' keyword in JavaScript?
...his in a function is the object that called the function. In Javascript at least.
Now, call it like this with new:
var bar = new Foo();
What happens when you add new to a function call is that a new object is created (just var bar = new Object()) and that the this within the function points to ...
How to change line-ending settings
...ave different line ending styles, global core.autocrlf is not the best, at least in my opinion.
For example unsetting this attribute on a given path [. - text] will force git not to touch line endings when checking in and checking out. In my opinion, this is the best behavior, as most modern text...
How do I address unchecked cast warnings?
...e, is not to do the unchecked cast.
If it's absolutely necessary, then at least try to limit the scope of the @SuppressWarnings annotation. According to its Javadocs, it can go on local variables; this way, it doesn't even affect the entire method.
Example:
@SuppressWarnings("unchecked")
Map<S...