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How to access command line parameters?
...e")
.required(true)
.index(1))
.arg(Arg::with_name("debug")
.short("d")
.multiple(true)
.help("Sets the level of debugging information"))
...
Why does substring slicing with index out of range work?
... might be surprising at first, but it makes sense when you think about it. Indexing returns a single item, but slicing returns a subsequence of items. So when you try to index a nonexistent value, there's nothing to return. But when you slice a sequence outside of bounds, you can still return an emp...
Rename column SQL Server 2008
...From the documentation:
sp_rename automatically renames the associated index whenever a PRIMARY KEY or UNIQUE constraint is renamed. If a renamed index is tied to a PRIMARY KEY constraint, the PRIMARY KEY constraint is also automatically renamed by sp_rename. sp_rename can be used to rename prim...
Can't push to GitHub because of large file which I already deleted
...
You can use
git filter-branch --index-filter 'git rm -r --cached --ignore-unmatch <file/dir>' HEAD
This will delete everything in the history of that file. The problem is that the file is present in the history.
This command changes the hashes of y...
Remove redundant paths from $PATH variable
... = os.environ['PATH'].split(':')
print(':'.join(sorted(set(path), key=path.index)))
" )
A one-liner (to sidestep multiline issues):
$ PATH=$( python -c "import os; path = os.environ['PATH'].split(':'); print(':'.join(sorted(set(path), key=path.index)))" )
The above removes later redundant paths...
DTO = ViewModel?
... url prams into an object, for example : suppose i have this mapping to an Index method ajax/index/{jobID}/{ResultsToSkip}/{ResultsToSend}" instead of having in the controlle Index(int jobID, int ResultsToSkip, int ResultsToSend) I will have Index(request) (request is an object that encapsulate 3 f...
Set type for function parameters?
...
@JeffreySweeney neither is PHP statically typed. But you have the option to do type hinting in php. Have you ever looked at a big nodejs backend application? exactly, each function has arguments, and you have NO clue what each argument is. We are talki...
ASP MVC href to a controller/view
...s. You can do the following:
<li>
@Html.ActionLink("Clients", "Index", "User", new { @class = "elements" }, null)
</li>
or this:
<li>
<a href="@Url.Action("Index", "Users")" class="elements">
<span>Clients</span>
</a>
</li>...
How to set std::tuple element by index?
One can get an element from std::tuple by index using std::get .
Analogically, how to set tuple's element by index?
2 ...
How to remove elements from a generic list while iterating over it?
...t is like ArrayList in that insertion/removal is O(n) and retrieval via an index is O(1). This is not a traditional linked list. It seems a bit unfortunate C# uses the word "List" to describe this data structure since it brings to mind the classic linked list.
– Jarrod Smith
...