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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...
“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...
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 ${IPS[@]}).
If you only want a single value just grep for it:
source <(grep var1 file.ini)
For the demo, check this recording at asciinema.
It is simple as you don't need for any external libra...
Why can I initialize a List like an array in C#?
...
The array like syntax is being turned in a series of Add() calls.
To see this in a much more interesting example, consider the following code in which I do two interesting things that sound first illegal in C#, 1) setting a read...
What's the difference between ES6 Map and WeakMap?
...er will notice that this API could
be implemented in JavaScript with two arrays (one for keys, one for
values) shared by the 4 API methods. Such an implementation would have
two main inconveniences. The first one is an O(n) search (n being the
number of keys in the map). The second one is a ...
How can I create a two dimensional array in JavaScript?
... It would be difficult to initialize a large multidimensional array this way. However, this function can be used to create an empty multidimensional, with the dimensions specified as parameters.
– Anderson Green
Apr 6 '13 at 16:49
...
How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
...ut you can concatenate:
a1.concat a2
a1 + a2 # creates a new array, as does a1 += a2
or prepend/append:
a1.push(*a2) # note the asterisk
a2.unshift(*a1) # note the asterisk, and that a2 is the receiver
or splice:
a1[a1.length, 0] = a2
a1[a1.length..0] = a2
a1.insert(...
Can I get CONST's defined on a PHP class?
... ReflectionClass('Profile');
print_r($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...