大约有 16,000 项符合查询结果(耗时:0.0304秒) [XML]
best way to preserve numpy arrays on disk
...rge numpy arrays. I want to save them to the disk in a binary format, then read them back into memory relatively fastly. cPickle is not fast enough, unfortunately.
...
Is String.Contains() faster than String.IndexOf()?
... about are minute - the point is one calls the other, and Contains is more readable if you don't need the index. In other words don't worry about it.
– Chris S
Nov 15 '15 at 18:17
...
How to remove/change JQuery UI Autocomplete Helper text?
... As you said, it's used for accessibility so people with screen readers can understand the widget better. By using display: none; you hide it from screen readers as well. Better to move it of screen with position: absolte; left:-999em;
– Daniel Göransson
...
Which is faster: while(1) or while(2)?
...GCC: (tdm64-2) 4.8.1"
The important bits being:
.L2:
jmp .L2
I can't read assembly very well, but this is obviously an unconditional loop. The jmp instruction unconditionally resets the program back to the .L2 label without even comparing a value against true, and of course immediately does so...
find -exec a shell function in Linux?
...
find . | while read file; do dosomething "$file"; done
share
|
improve this answer
|
follow
|
...
Why aren't programs written in Assembly more often? [closed]
...I am a compiler.
I just scanned thousands of lines of code while you were reading this sentence. I browsed through millions of possibilities of optimizing a single line of yours using hundreds of different optimization techniques based on a vast amount of academic research that you would spend year...
What is std::promise?
I'm fairly familiar with C++11's std::thread , std::async and std::future components (e.g. see this answer ), which are straight-forward.
...
Spring Test & Security: How to mock authentication?
...thority("ROLE_USER"),
new SimpleGrantedAuthority("PERM_FOO_READ")
));
User managerUser = new UserImpl("Manager User", "manager@company.com", "password");
UserActive managerActiveUser = new UserActive(managerUser, Arrays.asList(
new SimpleGrant...
Running Bash commands in Python
...nd you end up copy/pasting multiple lines of code ... which conveniently already exist in the standard library as a set of higher-level wrapper functions for various purposes, which are presented in more detail in the following.
Here's a paragraph from the documentation:
The recommended approac...
How to execute a stored procedure within C# program
...ter("@CustomerID", custId));
// execute the command
using (SqlDataReader rdr = cmd.ExecuteReader()) {
// iterate through results, printing each to console
while (rdr.Read())
{
Console.WriteLine("Product: {0,-35} Total: {1,2}",rdr["ProductName"],rdr["Total...
