大约有 43,000 项符合查询结果（耗时：0.0556秒） [XML]
In Vim, how do I apply a macro to a set of lines?
... matching pattern.
:g/pattern/norm! @a
To execute the macro on visually selected lines, press V and the j or k until the desired region is selected. Then type :norm! @a and observe the that following input line is shown.
:'<,'>norm! @a
Enter :help normal in vim to read more.
...
Window appears off screen on ubuntu [closed]
...
Be sure to have the off-screen window selected (use Alt-Tab or Super-W for example). Then hold Alt+F7 and move the window with the cursor keys until it appears in the viewport.
When this happens to me the hidden window is usually below the screen (I occasionally...
How to import JsonConvert in C# application?
...
right click on the project and select Manage NuGet Packages..
In that select Json.NET and install
After installation,
use the following namespace
using Newtonsoft.Json;
then use the following to deserialize
JsonConvert.DeserializeObject
...
How to re-create database for Entity Framework?
...database from SQL Server Object Explorer in Visual Studio.
Right-click and select delete.
Delete mdf and ldf files from file system - if they are still there.
Rebuild Solution.
Start Application - database will be re-created.
...
Why are dashes preferred for CSS selectors / HTML attributes?
...ops.
Also, using hyphens allows you to take advantage of the |= attribute selector, which selects any element containing the text, optionally followed by a dash:
span[class|="em"] { font-style: italic; }
This would make the following HTML elements have italic font-style:
<span class="em">...
Rails auto-assigning id that already exists
...mpany.id column to the highest value in the table with a query like this:
SELECT setval('company_id_seq', (SELECT max(id) FROM company));
I am guessing at your sequence name "company_id_seq", table name "company", and column name "id" ... please replace them with the correct ones. You can get the...
How do I expand a tuple into variadic template function's arguments?
...me U> void my_func(T &&t, U &&u) {}
int main(int argc, char *argv[argc]) {
std::tuple<int, float> my_tuple;
std::apply([](auto &&... args) { my_func(args...); }, my_tuple);
return 0;
}
This work around is a simplified solution to the general problem of pa...
Parallel foreach with asynchronous lambda
...is:
var bag = new ConcurrentBag<object>();
var tasks = myCollection.Select(async item =>
{
// some pre stuff
var response = await GetData(item);
bag.Add(response);
// some post stuff
});
await Task.WhenAll(tasks);
var count = bag.Count;
If you need something more complex, check o...
Algorithm to find top 10 search terms
...sume only 300MB memory for 4 million different words. Some hint: use ASCII char to represent Strings), and this is much acceptable.
Meanwhile, there will be another process that is activated once it finds any disk file generated by the system, then start merging it. Since the disk file is sorted, m...
Missing styles. Is the correct theme chosen for this layout?
...nc all my Gradle files. After that I restart Android Studio, and I go to:
Select Theme -> Project Themes -> AppTheme
share
|
improve this answer
|
follow
...