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Parse query string in JavaScript [duplicate]
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Here's my version based loosely on Braceyard's version above but parsing into a 'dictionary' and support for search args without '='. In use it in my JQuery $(document).ready() function. The arguments are stored as key/value pairs in argsParse...
Pimpl idiom vs Pure virtual class interface
...Clone" method is usually more appropriate. Examples: A Socket class, a Database class, a "policy" class, anything that would be a "closure" in a functional language.
Both pImpl and pure abstract base class are techniques to reduce compile time dependencies.
However, I only ever use pImpl to imple...
Printing all global variables/local variables?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to copy a row and insert in same table with a autoincrement field in MySQL?
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Use INSERT ... SELECT:
insert into your_table (c1, c2, ...)
select c1, c2, ...
from your_table
where id = 1
where c1, c2, ... are all the columns except id. If you want to explicitly insert with an id of 2 then include that in your INSERT column list and your SE...
Convert list to dictionary using linq and not worrying about duplicates
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LINQ solution:
// Use the first value in group
var _people = personList
.GroupBy(p => p.FirstandLastName, StringComparer.OrdinalIgnoreCase)
.ToDictionary(g => g.Key, g => g.First(), StringComparer.OrdinalIgnoreCase);
// Use the last value in group
var _peopl...
Find an item in List by LINQ?
...u don't need LINQ, just use:
int GetItemIndex(string search)
{
return _list == null ? -1 : _list.IndexOf(search);
}
If you are looking for the item itself, try:
string GetItem(string search)
{
return _list == null ? null : _list.FirstOrDefault(s => s.Equals(search));
}
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Undo git update-index --skip-worktree
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Based on @GuidC0DE answer, here's a version for Powershell (I use posh-git)
git update-index --no-skip-worktree $(git ls-files -v | sls -pattern "^S"| %{$_.Line.Substring(2)})
And for reference also the opposite command to...
Markdown open a new window link [duplicate]
...always use HTML inside markdown:
<a href="http://example.com/" target="_blank">example</a>
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Use of *args and **kwargs [duplicate]
...number of arguments to your function. For example:
>>> def print_everything(*args):
for count, thing in enumerate(args):
... print( '{0}. {1}'.format(count, thing))
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>>> print_everything('apple', 'banana', 'cabbage')
0. apple
1. banana
2. cabbage
Similarly, *...
Change all files and folders permissions of a directory to 644/755
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One approach could be using find:
for directories
find /desired_location -type d -print0 | xargs -0 chmod 0755
for files
find /desired_location -type f -print0 | xargs -0 chmod 0644
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