大约有 5,500 项符合查询结果(耗时:0.0298秒) [XML]
Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...kan,
cfFileMapping;
{$IFNDEF CONSOLE}
const
WM_IW_LOGMSG = WM_USER + 1001;
{$ENDIF}
type
TMirrorDrive = class(TThread)
protected
FRootDirectory: string;
FDokanOperations: TDokanOperations;
FDokanOptions: TDokanOptions;
{$IFNDEF CONSOLE}
FHandle: THandle;
{$ENDIF}
procedure Execute...
Rails 3: Get Random Record
...125-perf) where the db is in localhost and users table has a bit more than 100K records.
Using
order by RAND()
is quite slow
User.order("RAND(id)").first
becomes
SELECT users.* FROM users ORDER BY RAND(id) LIMIT 1
and takes from 8 to 12 seconds to respond!!
Rails log:
User L...
if else in a list comprehension [duplicate]
...
user225312user225312
100k6060 gold badges158158 silver badges179179 bronze badges
...
Maximum call stack size exceeded error
... however I would assume it is something like driving two identical cars at 100mph through the same toll gateway.
– lucygenik
Jun 22 '14 at 21:03
3
...
Textarea Auto height [duplicate]
...:
autosize(document.getElementById("note"));
textarea#note {
width:100%;
box-sizing:border-box;
direction:rtl;
display:block;
max-width:100%;
line-height:1.5;
padding:15px 15px 30px;
border-radius:3px;
border:1px solid #F7E98D;
font:13px Tahoma, cursive;
transition:box-sh...
How to show soft-keyboard when edittext is focused
..., 0, 0));
}
}, 200);
It works for me with 100ms delay, but failed without any delay or with only a delay of 1ms.
Commented part of code shows another approach, which works only on some devices. I tested on OS versions 2.2 (emulator), 2.2.1 (real device) and 1.6 (em...
How do I get the find command to print out the file size with the file name?
...answer is much more efficient because it avoids a fork+exec on every file (100x faster on my machine). I had to change %k to %s. @FaheemMitha: you can add options like -type f to only count regular files.
– Mr Fooz
Sep 29 '16 at 23:19
...
Is there a way to call a stored procedure with Dapper?
...child relation )
create PROCEDURE GetEventCategories
@keyword as nvarchar(100)
AS
BEGIN
WITH CTE(Id, Name, IdHierarchy,parentId) AS
(
SELECT
e.EventCategoryID as Id, cast(e.Title as varchar(max)) as Name,
cast(cast(e.EventCategoryID as char(5)) as varchar(max)) I...
TransactionScope automatically escalating to MSDTC on some machines?
...ikhar-PC;Initial Catalog=LogDB;Integrated Security=SSPI;Connection Timeout=100"))
{
cmd = new SqlCommand("Insert into Log values(newid(),'" + "Dowork2()" + "','Info',getDate())");
cmd.Connection = conn2;
cmd.Connection.Open(...
90后创业四年:曾经觉得不公 后来愿赌服输 - 资讯 - 清泛网 - 专注C/C++及内核技术
...模式。
在音乐领域,拥有这项技术的公司在全世界只有100多家,在中国目前除了我们还没有出现第二家。
社交产品是有代际的
我做过不少社交产品,包括好友拼图、沙漏网、萌萌搭……听画目前也属于移动社交,只是落到音...