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Why should eval be avoided in Bash, and what should I use instead?
...ay to sanitize individual elements, and another way to sanitize the entire array as a single string:
function println
{
# Send each element as a separate argument, starting with the second element.
# Arguments to printf:
# 1 -> "$1\n"
# 2 -> "$2"
# 3 -> "$3"
#...
How to check that an element is in a std::set?
...hout the utility functions below, but doesn't
// work for fixed-length arrays.
//return contains(container.begin(), container.end(), value);
}
template<class T> inline
bool contains(const std::set<T>& container, const T& value)
{
return container.find(value) != conta...
How do I grab an INI value within a shell script?
...o access variables, you simply printing them: echo $var1. You may also use arrays as shown above (echo ${IPS[@]}).
If you only want a single value just grep for it:
source <(grep var1 file.ini)
For the demo, check this recording at asciinema.
It is simple as you don't need for any external libra...
“The file ”MyApp.app“ couldn't be opened because you don't have permission to view it” when running
...>
- <key>CFBundleSupportedPlatforms</key>
- <array>
- <string>iPhoneSimulator</string>
- </array>
+ <key>CFBundleSignature</key>
+ <string>????</string>
<key>CFBundleVersion</k...
Why can I initialize a List like an array in C#?
...
The array like syntax is being turned in a series of Add() calls.
To see this in a much more interesting example, consider the following code in which I do two interesting things that sound first illegal in C#, 1) setting a read...
What's the difference between ES6 Map and WeakMap?
...er will notice that this API could
be implemented in JavaScript with two arrays (one for keys, one for
values) shared by the 4 API methods. Such an implementation would have
two main inconveniences. The first one is an O(n) search (n being the
number of keys in the map). The second one is a ...
Can I get CONST's defined on a PHP class?
... ReflectionClass('Profile');
print_r($refl->getConstants());
Output:
Array
(
'LABEL_FIRST_NAME' => 'First Name',
'LABEL_LAST_NAME' => 'Last Name',
'LABEL_COMPANY_NAME' => 'Company'
)
share
...
how to File.listFiles in alphabetical order?
...ithout a filter does not guarantee any order.
It does, however, return an array, which you can sort with Arrays.sort().
File[] files = XMLDirectory.listFiles(filter_xml_files);
Arrays.sort(files);
for(File _xml_file : files) {
...
}
This works because File is a comparable class, which by def...
How can I create a two dimensional array in JavaScript?
... It would be difficult to initialize a large multidimensional array this way. However, this function can be used to create an empty multidimensional, with the dimensions specified as parameters.
– Anderson Green
Apr 6 '13 at 16:49
...
How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
...ut you can concatenate:
a1.concat a2
a1 + a2 # creates a new array, as does a1 += a2
or prepend/append:
a1.push(*a2) # note the asterisk
a2.unshift(*a1) # note the asterisk, and that a2 is the receiver
or splice:
a1[a1.length, 0] = a2
a1[a1.length..0] = a2
a1.insert(...