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How do I clear the std::queue efficiently?
I am using std::queue for implementing JobQueue class. ( Basically this class process each job in FIFO manner).
In one scenario, I want to clear the queue in one shot( delete all jobs from the queue).
I don't see any clear method available in std::queue class.
...
Simplest way to do a recursive self-join?
What is the simplest way of doing a recursive self-join in SQL Server? I have a table like this:
5 Answers
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Split function equivalent in T-SQL?
...e
set @iStart = 1
while 1=1
begin
set @iPos = charindex( @cDelimiter, @sString, @iStart )
if @iPos = 0
set @iPos = len( @sString )+1
if @iPos - @iStart > 0
insert into @tParts
values ( substring( @sString, @iS...
ImageView 扩展：图片查看器扩展，支持缩放、双击缩放和动画缩放 · App In...
... 图片加载
常见问题
Q: 如何设置初始缩放比例？
Q: 支持哪些图片格式？
Q: 如何处理图片加载失败？
Q: 缩放操作会影响性能吗？
Q: 可以同时使用多个 ImageView 实...
How can I split up a Git commit buried in history?
...use git stash to hide away the part you haven't committed (or stash --keep-index before you even commit it), test, then git stash pop to return the rest to the work tree. Keep making commits until you get all modifications committed, i.e. have a clean work tree.
Run git rebase --continue to proceed ...
Better naming in Tuple classes than “Item1”, “Item2”
...a list of Tuples having named properties
var tupleList = new List<(int Index, string Name)>
{
(1, "cow"),
(5, "chickens"),
(1, "airplane")
};
foreach (var tuple in tupleList)
Console.WriteLine($"{tuple.Index} - {tuple.Name}");
Output on console:
1 - cow
5 - chickens ...
What are DDL and DML?
...tabase.
CREATE – to create database and its objects like (table, index, views, store procedure, function and triggers)
ALTER – alters the structure of the existing database
DROP – delete objects from the database
TRUNCATE – remove all records from a table, including all spaces ...
Change priorityQueue to max priorityqueue
I have priority queue in Java of Integers:
16 Answers
16
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Fast ceiling of an integer division in C / C++
Given integer values x and y , C and C++ both return as the quotient q = x/y the floor of the floating point equivalent. I'm interested in a method of returning the ceiling instead. For example, ceil(10/5)=2 and ceil(11/5)=3 .
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【解决】如何查看 xunsearch 版本，验证是否升级成功？ - 更多技术 - 清泛...
...部版本号了，操作如下：
cd /usr/local/xunsearch/bin
./xs-indexd -h
参考结果如下：
xs-indexd (xunsearch/1.4.15) - Index Submit Server
Copyright (C)2007-2011 hightman, HangZhou YunSheng Network Co., Ltd.
Usage: xs-indexd [options]
-F Run the server o...