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T-SQL stored procedure that accepts multiple Id values
...sing the List as Many Parameters. Tedious and error prone, but simple.
Really Slow Methods. Methods that uses charindex, patindex or LIKE.
I really can't recommend enough to read the article to learn about the tradeoffs among all these options.
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What are the differences between double-dot “..” and triple-dot “…” in Git commit ranges?
...t
can be written as "r1..r2".
A similar notation "r1...r2" is
called symmetric difference of r1 and
r2 and is defined as "r1 r2 --not
$(git merge-base --all r1 r2)". It is
the set of commits that are
reachable from either one of r1 or r2
but not from both.
Which basical...
How do I find which transaction is causing a “Waiting for table metadata lock” state?
...S
We can use INFORMATION_SCHEMA Tables.
Useful Queries
To check about all the locks transactions are waiting for:
USE INFORMATION_SCHEMA;
SELECT * FROM INNODB_LOCK_WAITS;
A list of blocking transactions:
SELECT *
FROM INNODB_LOCKS
WHERE LOCK_TRX_ID IN (SELECT BLOCKING_TRX_ID FROM INNODB_L...
JavaScript hard refresh of current page
...aScript?
Hard refresh means getting a fresh copy of the page AND refresh all the external resources (images, JavaScript, CSS, etc.).
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创建增量同步Oracle物化视图问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...这个表上建立物化视图日志如“CREATE MATERIALIZED VIEW LOG ON T_tablename;”,再到数据库B上创建数据库链接和快速刷新的物化视图如“create materialized view mv_tablename refresh fast on demand start with sysdate next sysdate+1/288 as select * from T_tablename@dbli...
Set 4 Space Indent in Emacs in Text Mode
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Is there really nothing shorter than '(tab-stop-list (quote (4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 80 84 88 92 96 100 104 108 112 116 120)))? Well, as long as it works I guess... :P
– HelloGoodbye
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How can I import one Gradle script into another?
...
Well, it is hard to tell what serves you best without actually seeing your build file.
I could assume that stetting up your environment as multi-project build should provide you the abstraction you are looking for.
In your project root build.gradle you define all your domain spec...
Memcache(d) vs. Varnish for speeding up 3 tier web architecture
...ache will provide info for pages that have a mixture of known and new data allowing you to generate pages faster.
An example that could apply to stackoverflow.com: adding this comment invalidated the page cache, so this page would have to be cleared from Varnish (and also my profile page, which pr...
Select rows of a matrix that meet a condition
... How does this work if you don't want to specify the column names at all but want to work over all columns in the matrix?
– user5359531
Jul 22 '16 at 22:54
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docker mounting volumes on host
...independent of the container's life cycle. Docker therefore never automatically delete volumes when you remove a container, nor will it "garbage collect" volumes that are no longer referenced by a container." One of these statements must be wrong.
– mc0e
May 6...
