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Getting “Lock wait timeout exceeded; try restarting transaction” even though I'm not using a transac
... holding a record lock on some record (you're updating every record in the table!) for too long, and your thread is being timed out.
You can see more details of the event by issuing a
SHOW ENGINE INNODB STATUS
after the event (in sql editor). Ideally do this on a quiet test-machine.
...
pandas GroupBy columns with NaN (missing) values
...of looking for other solutions like running an SQL server and querying the tables from there (looks a bit too complicated), or looking another library in spite of Pandas, or use my own (that I want to get rid of). Thx
– Gyula Sámuel Karli
Aug 26 '13 at 20:52
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How to see the values of a table variable at debug time in T-SQL?
Can we see the values (rows and cells) in a table valued variable in SQL Server Management Studio (SSMS) during debug time? If yes, how?
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What do the terms “CPU bound” and “I/O bound” mean?
... 363.64 166.67 2.18
MARK RESULTS TABLE
Mark Name MultiCore SingleCore Scaling
----------------------------------------------- ---------- ---------- ----------
CoreMark-PRO 18743....
Equivalent of *Nix 'which' command in PowerShell?
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i like running: Get-Command <command> | Format-Table Path, Name so i can get the path where the command sits too.
– jrsconfitto
Nov 27 '12 at 15:17
4
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How to align 3 divs (left/center/right) inside another div?
...ide another div.
#container {
display: flex; /* establish flex container */
flex-direction: row; /* default value; can be omitted */
flex-wrap: nowrap; /* default value; can be omitted */
justify-content: space-between; /* switched from defau...
What is difference between sjlj vs dwarf vs seh?
...are placed in xdata-section and there is the .pdata
(function descriptor table) instead of the stack. For win32, the chain
of handlers are on stack and need to be saved/restored by real
executed code.
GCC GNU about Exception Handling:
GCC supports two methods for exception handling (EH):...
WITH (NOLOCK) vs SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED
...se the set transaction isolation level statement, it will apply to all the tables in the connection, so if you only want a nolock on one or two tables use that; otherwise use the other.
Both will give you dirty reads. If you are okay with that, then use them. If you can't have dirty reads, then co...
Using an if statement to check if a div is empty
...YI:
This, in particular, is the solution I am using to hide annoying empty table cells in SharePoint (in addition with this condition "|| $(this).children("menu").length".
share
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LINQ Using Max() to select a single row
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I don't see why you are grouping here.
Try this:
var maxValue = table.Max(x => x.Status)
var result = table.First(x => x.Status == maxValue);
An alternate approach that would iterate table only once would be this:
var result = table.OrderByDescending(x => x.Status).First();
...