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How do I use Ruby for shell scripting?
...rectory, including current dir.
#=> array of relative names
File.expand_path('~/file.txt') #=> "/User/mat/file.txt"
File.dirname('dir/file.txt') #=> 'dir'
File.basename('dir/file.txt') #=> 'file.txt'
File.join('a', 'bunch', 'of', 'strings') #=> 'a/bunch/of/strings'
__FILE__ #=> t...
How to resolve “must be an instance of string, string given” prior to PHP 7?
...nly manually "type hint" scalar types:
function foo($string) {
if (!is_string($string)) {
trigger_error('No, you fool!');
return;
}
...
}
share
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improve this answer
...
Static methods - How to call a method from another method?
...
class.method should work.
class SomeClass:
@classmethod
def some_class_method(cls):
pass
@staticmethod
def some_static_method():
pass
SomeClass.some_class_method()
SomeClass.some_static_method()
sha...
How to remove/delete a large file from commit history in Git repository?
...e published history to other developers. See “Recovering From Upstream Rebase” in the git rebase documentation for the necessary steps after repairing your history.
You have at least two options: git filter-branch and an interactive rebase, both explained below.
Using git filter-branch
I had ...
Detecting syllables in a word
... that could generate those patterns. Anyway, for my purpose I wrote a rule based app, which solved the problem...
– user50705
Jan 3 '09 at 1:20
10
...
How do I concatenate two lists in Python?
...>>> l1 = [1, 2, 3]
>>> l2 = [4, 5, 6]
>>> joined_list = [*l1, *l2] # unpack both iterables in a list literal
>>> print(joined_list)
[1, 2, 3, 4, 5, 6]
This functionality was defined for Python 3.5 it hasn't been backported to previous versions in the 3.x family...
How can I parse a YAML file from a Linux shell script?
...han one level deep.
YAML looks like so:
KEY: value
ANOTHER_KEY: another_value
OH_MY_SO_MANY_KEYS: yet_another_value
LAST_KEY: last_value
Output like-a dis:
KEY="value"
ANOTHER_KEY="another_value"
OH_MY_SO_MANY_KEYS="yet_another_value"
LAST_KEY="last_value"
I ac...
When should you use constexpr capability in C++11?
...lues over and over?
int func (int n) {
static std::map<int, int> _cached;
if (_cached.find (n) == _cached.end ())
_cached[n] = n > 0 ? n + func (n-1) : n;
return _cached[n];
}
The result
By introducing your silly optimization, you just broke every usage of your function th...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...$(suffix src/foo.c src-1.0/bar.c hacks)返回值是“.c .c”。
$(basename <names...> )
名称：取前缀函数——basename。
功能：从文件名序列<names>中取出各个文件名的前缀部分。
返回：返回文件名序列<names>的前缀序列，如果文件没有...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...$(suffix src/foo.c src-1.0/bar.c hacks)返回值是“.c .c”。
$(basename <names...> )
名称：取前缀函数——basename。
功能：从文件名序列<names>中取出各个文件名的前缀部分。
返回：返回文件名序列<names>的前缀序列，如果文件没有...