大约有 14,600 项符合查询结果（耗时：0.0259秒） [XML]
Mythical man month 10 lines per developer day - how close on large projects? [closed]
...at the "10 lines per developer per day" from the "Mythical Man Month", and starting a project, I can usually get a couple hundred lines in in a day.
...
How does BLAS get such extreme performance?
...
A good starting point is the great book The Science of Programming Matrix Computations by Robert A. van de Geijn and Enrique S. Quintana-Ortí. They provide a free download version.
BLAS is divided into three levels:
Level 1 defin...
What does SynchronizationContext do?
...gh degree, take care of capturing the UI thread's synchronization context, starting an asynchronous operation, then getting back onto the UI thread so you can process the operation's result.
share
|
...
How to remove non-alphanumeric characters?
... ]/i', '', $str);
The i stands for case insensitive.
^ means, does not start with.
\d matches any digit.
a-z matches all characters between a and z. Because of the i parameter you don't have to specify a-z and A-Z.
After \d there is a space, so spaces are allowed in this regex.
...
Get Substring - everything before certain char
...
Things have moved on a bit since this thread started.
Now, you could use
string.Concat(s.TakeWhile((c) => c != '-'));
share
|
improve this answer
|
...
Delete all rows in an HTML table
...
Points to note, on the Watch out for common mistakes:
If your start index is 0 (or some index from begin), then, the correct code is:
var tableHeaderRowCount = 1;
var table = document.getElementById('WRITE_YOUR_HTML_TABLE_NAME_HERE');
var rowCount = table.rows.length;
for (var i = tabl...
What is the proper declaration of main?
... function would not be the main function that designates where the program starts.
The main function cannot be declared as static or inline. It also cannot be overloaded; there can be only one function named main in the global namespace.
The main function cannot be used in your program: you are n...
Visual Studio 2010 isn't building before a run when there are code changes
I've been using using F5 (Start Debugging) for years to build the code (if its out of date), and then debug. This was working on VS 2010 also, however today it just start debugging without a build. Say I do a clean on the project, and then hit F5 instead of building it so it can run it throws an err...
SQL Server SELECT LAST N Rows
...0'000 records is nothing where you should mind about performance. When you start talking about millions of records than you can start thinking about performance
– Dom84
Apr 6 '17 at 8:59
...
Shell script - remove first and last quote (") from a variable
...with nothing too. In the same invocation (there isn't any need to pipe and start another sed. Using -e you can have multiple text processing).
share
|
improve this answer
|
f...