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LINQ Ring: Any() vs Contains() for Huge Collections
... result = context.Projects.Where(x => lstBizIds.Contains(x.businessId)).Select(x => x.projectId).ToList();
This will give the query
SELECT Id
FROM Projects
INNER JOIN (VALUES (1), (2), (3), (4), (5)) AS Data(Item) ON Projects.UserId = Data.Item
while Any() on the other hand always iterate t...
Commit changes to a different branch than the currently checked out branch with subversion
... It must not be the root of the repository, less to duplicate in that way;
Select TortoiseSVN -> "Branch/tag...";
Set To URL: "svn://host/repository/FooBar/branches/FooBarBranchName";
Make sure [*] Working copy is selected. This will ensure the changes are commited;
Log message: "Experimenting wi...
How to change default text file encoding in Eclipse?
...needed to do is:
Window > Preferences > General > Content Types
Select Text > HTML in the tree
Select all file associations, particularly .html
Input "UTF-8" in the text-field "default encoding"
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内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
... 总共32个vcpu。 16个table，每个5M row。
OLTP_RO测试包含5个select查询：select_ranges, select_order_ranges, select_distinct_ranges, select_sum_ranges,
可以看到在多核心或者多线程的场景下， jemalloc和tcmalloc带来的tps增加非常明显。
参考资料
glibc...
Bash: Strip trailing linebreak from output
...ine character you want to remove, you can use 'head' from GNU coreutils to select everything except the last byte. This should be quite quick:
head -c -1 log.txt
Also, for completeness, you can quickly check where your newline (or other special) characters are in your file using 'cat' and the 'sh...
Any good, visual HTML5 Editor or IDE? [closed]
...E Developers" Latest Stable Version Download Google Plugin for Eclipse.zip Select your download according to your Eclipse Version After Downloading (don't Unzip) Open Eclipse Help > Install New Software > Add > Archive > Select the Downloaded Plug-in.zip
in the field "Name" enter "Google...
Function of Project > Clean in Eclipse
...the navigator view right click on your project (or appropriate folder) and select Refresh from the context menu. This will remove any files that have been deleted and add any new ones that are not yet listed in your project.
– SteveS
May 4 '12 at 12:34
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Converting a List to a comma separated string
...
List<int> list = ...;
string.Join(",", list.Select(n => n.ToString()).ToArray())
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Check if a string contains a substring in SQL Server 2005, using a stored procedure
...orce it within this test if you need it one way or the other. E.g. compare select CHARINDEX('ME' collate Latin1_General_CS_AS,'Home') and select CHARINDEX('ME' collate Latin1_General_CI_AS,'Home'). (In collations, CS stands for Case Sensitive and I'm sure you can work out CI).
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How to redirect to a 404 in Rails?
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Changed the selected answer to reflect the better practice. Thanks for the comments, guys!
– Yuval Karmi
Aug 14 '11 at 0:08
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