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What is PAGEIOLATCH_SH wait type in SQL Server?
...ppens in queries that use indexes efficiently.
If your query is like this:
Select * from <table> where <col1> = <value> order by <PrimaryKey>
, check that you have a composite index on (col1, col_primary_key).
If you don't have one, then you'll need either a full INDEX SCAN ...
Create a dictionary on a list with grouping
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into groupedDemoClass
select groupedDemoClass).ToDictionary(gdc => gdc.Key, gdc => gdc.ToList());
This one will work !!!
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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 do a batch insert in MySQL
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Insert into table(col1,col2) select col1,col2 from table_2;
Please refer to MySQL documentation on INSERT Statement
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How to check if a user likes my Facebook Page or URL using Facebook's API
... var user_id = response.authResponse.userID;
var fql_query = "SELECT uid FROM page_fan WHERE page_id = "+page_id+"and uid="+user_id;
FB.Data.query(fql_query).wait(function(rows) {
if (rows.length == 1 && rows[0].uid == user_id) {
console...
Import regular CSS file in SCSS file?
... 2.2.2p95 (2015-04-13 revision 50295) [x64-mingw32] sass -v : Sass 3.4.17 (Selective Steve) not working here
– Cyril CHAPON
Sep 1 '15 at 7:58
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Sublime Text 2 - Link with Editor / Show file in sidebar
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This is a useful answer, but the selected answer replicates the functionality of 'Eclipse's Link with Editor.' as requested in the question. i.e. reveal_in_side_bar the active file without the need to press a shortcut.
– serby
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“Java DateFormat is not threadsafe” what does this leads to?
...eFormat object and called its format() for values read via JDBC. I had SQL select statement where I read the same date with different names (SELECT date_from, date_from AS date_from1 ...). Such statements were using in 5 threads for various dates in WHERE clasue. Dates looked "normal" but they diffe...
What is a pre-revprop-change hook in SVN, and how do I create it?
...n VisualSVN by right-clicking your repository name in VisualSVN Server and selecting "Properties...". You'll see a "Hooks" tab. In there you'll see the different types of hooks available. Select the right one, click "Edit" and paste the above code into it. Hope that helps VisualSVN users!
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Border around specific rows in a table?
...etty dynamic data. Using nth-child(), nth-last-child(), and not(), you can select any rows/cells you want (as long as you know the relative indexes of things in the table). For example, you can select all rows except the top two and bottom one with tr:not(:nth-child(-n+2)):not(:nth-last-child(1))
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