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Lowercase JSON key names with JSON Marshal in Go
...he "encoding/json" package to marshal a struct declared in one of the imported packages of my application.
2 Answers
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How to use a servlet filter in Java to change an incoming servlet request url?
...est.
Use HttpServletRequest#getRequestURI() to grab the path.
Use straightforward java.lang.String methods like substring(), split(), concat() and so on to extract the part of interest and compose the new path.
Use either ServletRequest#getRequestDispatcher() and then RequestDispatcher#forward() to ...
How to get whole and decimal part of a number?
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$n = 1.25;
$whole = floor($n); // 1
$fraction = $n - $whole; // .25
Then compare against 1/4, 1/2, 3/4, etc.
In cases of negative numbers, use this:
function NumberBreakdown($number, $returnUnsigned = false)
{
$negative = 1;
if ($num...
AngularJS : When to use service instead of factory
However I still can't figure out when you'd use service over factory.
9 Answers
9
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How is Docker different from a virtual machine?
...d a full VM. How does it manage to provide a full filesystem, isolated networking environment, etc. without being as heavy?
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AutoLayout with hidden UIViews?
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UIStackView is probably the way to go for iOS 9+. Not only does it handle the hidden view, it will also remove additional spacing and margins if set up correctly.
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How to navigate through a vector using iterators? (C++)
The goal is to access the "nth" element of a vector of strings instead of the [] operator or the "at" method. From what I understand, iterators can be used to navigate through containers, but I've never used iterators before, and what I'm reading is confusing.
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How do I tell CPAN to install all dependencies?
...; $c->edit(build_requires_install_policy => "yes"); $c->commit'
Or combine it with local::lib module for non-privileged users:
perl -MCPAN -Mlocal::lib=~/perl5 -e 'my $c = "CPAN::HandleConfig"; $c->load(doit => 1, autoconfig => 1); $c->edit(prerequisites_policy => "follow"...
Read an Excel file directly from a R script
How can I read an Excel file directly into R? Or should I first export the data to a text- or CSV file and import that file into R?
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sed beginner: changing all occurrences in a folder
...xec sed -i.bak "s/foo/bar/g" {} \;
This command will create a .bak file for each changed file.
Notes:
The -i argument for sed command is a GNU extension, so, if you are running this command with the BSD's sed you will need to redirect the output to a new file then rename it.
The find utility d...