大约有 47,000 项符合查询结果（耗时：0.1080秒） [XML]
线程访问窗口资源的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ded application, it is likely that
// you have passed a C++ object from one thread to another
// and have used that object in a way that was not intended.
// (only simple inline wrapper functions should be used)
//
// In general, CWnd objects should be passed by HWND from
// one th...
SQL Server : Columns to Rows
...ough tests gave me that xml is about 2.5 times slower that dynamic (it was one query on ~250000 rows table, so this estimate is no way exact). You could compare it yourself if you want, here's sqlfiddle example, on 100000 rows it was 29s (xml) vs 14s (dynamic);
may be it could be harder to understan...
Fastest Way of Inserting in Entity Framework
...s() after for example 100 records and dispose the context and create a new one.
Disable change detection
For bulk inserts I am working and experimenting with a pattern like this:
using (TransactionScope scope = new TransactionScope())
{
MyDbContext context = null;
try
{
contex...
Why can I initialize a List like an array in C#?
...ades = temp;
So, to add this to your own class, all you need do, as mentioned, is implement IEnumerable (again, preferably IEnumerable<T>) and create one or more Add() methods:
public class SomeCollection<T> : IEnumerable<T>
{
// implement Add() methods appropriate for your ...
Specifying colClasses in the read.csv
...
one can probably use the following to read the first line of the csv and determine how many columns there are. scan(csv,sep=',', what="character" , nlines=1 )
– defoo
May 10 '10 at 19:5...
rsync exclude according to .gitignore & .hgignore & svn:ignore like --filter=:C
...
As mentioned by luksan, you can do this with the --filter switch to rsync. I achieved this with --filter=':- .gitignore' (there's a space before ".gitignore") which tells rsync to do a directory merge with .gitignore files and have t...
How to do relative imports in Python?
...
Everyone seems to want to tell you what you should be doing rather than just answering the question.
The problem is that you're running the module as '__main__' by passing the mod1.py as an argument to the interpreter.
From PEP ...
Gzip versus minify
...ely discussion the other day about minifying Javascript and CSS versus someone who prefers using Gzip.
13 Answers
...
Mercurial .hgignore for Visual Studio 2010 projects
...
The new things are related to MSTest stuff. This is the one that I use:
# use glob syntax
syntax: glob
*.obj
*.pdb
*.user
*.aps
*.pch
*.vspscc
*.vssscc
*_i.c
*_p.c
*.ncb
*.suo
*.tlb
*.tlh
*.bak
*.[Cc]ache
*.ilk
*.log
*.lib
*.sbr
*.scc
*.DotSettings
[Bb]in
[Dd]ebug*/**
obj/
[Rr]e...
Call a function after previous function is complete
...ack — or take a look at this deferreds business that philwinkle has mentioned. Thanks again, guys. I'm gonna get some sleep, and tackle this again in the morning.
– Rrryyyaaannn
Feb 15 '11 at 6:31
...