大约有 46,000 项符合查询结果(耗时:0.0404秒) [XML]
Regular expression for letters, numbers and - _
...
To actually cover your pattern, i.e, valid file names according to your rules, I think that you need a little more. Note this doesn't match legal file names from a system perspective. That would be system dependent and more libera...
Java: Calling a super method which calls an overridden method
...
The keyword super doesn't "stick". Every method call is handled individually, so even if you got to SuperClass.method1() by calling super, that doesn't influence any other method call that you might make in the future.
That means there is no direct way to call SuperClass.m...
How to print SQL statement in codeigniter model
...
when i do print_r($query); nothing prints out at all
– Technupe
May 26 '11 at 16:50
1
...
How to use base class's constructors and assignment operator in C++?
...
You can explicitly call constructors and assignment operators:
class Base {
//...
public:
Base(const Base&) { /*...*/ }
Base& operator=(const Base&) { /*...*/ }
};
class Derived : public Base
{
int additional_;
public:
...
Stop “developer tools access needs to take control of another process for debugging to continue” ale
...
Per Zev Eisenberg's answer, reinstalling Xcode 4.2.1 worked. However, it might be easier to just patch the /etc/authorization file with the following diff.
<key>system.privilege.taskport.debug</key>
<dict>
<...
Understanding CUDA grid dimensions, block dimensions and threads organization (simple explanation) [
... threads each: then at a given moment no more than 4*768 threads will be really running in parallel (if you planned more threads, they will be waiting their turn).
Software
threads are organized in blocks. A block is executed by a multiprocessing unit.
The threads of a block can be indentified (in...
Show the progress of a Python multiprocessing pool imap_unordered call?
...fully doing a multiprocessing Pool set of tasks with a imap_unordered() call:
9 Answers
...
Fitting empirical distribution to theoretical ones with Scipy (Python)?
...error is determined. The distribution with the least error is returned.
All Distributions
Best Fit Distribution
Example Code
%matplotlib inline
import warnings
import numpy as np
import pandas as pd
import scipy.stats as st
import statsmodels as sm
import matplotlib
import matplotlib.pypl...
How to calculate a time difference in C++
...turns the CPU time consumed by the program. So if the program is run in parallel the time returned by the function would be the accumulated of the time spent on all CPUs, rather than the time elapsed cplusplus.com/reference/ctime/clock
– Ameer Jewdaki
Aug 3 '1...
How do I write a short literal in C++?
...rt enough to compile this as if it's a short literal (i.e. it wouldn't actually allocate an int and then cast it every time).
The following illustrates how much you should worry about this:
a = 2L;
b = 2.0;
c = (short)2;
d = '\2';
Compile -> disassemble ->
movl $2, _a
movl $2, _b
m...
