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Does Parallel.ForEach limit the number of active threads?
...nd, the algorithm will spawn up more threads.." - In degenerate cases this means there might be as many threads created as allowed per ThreadPool.
– user2864740
Apr 12 '17 at 19:26
...
How do I view the SQL generated by the Entity Framework?
... following:
IQueryable query = from x in appEntities
where x.id == 32
select x;
var sql = ((System.Data.Objects.ObjectQuery)query).ToTraceString();
or in EF6:
var sql = ((System.Data.Entity.Core.Objects.ObjectQuery)query)
.ToTraceString();
That will give ...
Adding a public key to ~/.ssh/authorized_keys does not log me in automatically
...mands are in the FAQ: openssh.org/faq.html#3.14
– davidjb
May 8 '13 at 23:45
3
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Websocket API to replace REST API?
....com/2011/03/27/nodechat-js-continued-authentication-profiles-ponies-and-a-meaner-socket-io/
Tutorial on using Pusher with Backbone.js (using Rails):
http://blog.pusher.com/2011/6/21/backbone-js-now-realtime-with-pusher
Build application with backbone.js on the client and node.js with express,...
Sorting an IList in C#
...will leave my answer - however, the other answers presented are equally valid.
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What is tail call optimization?
...se we are simply returning the value we get right through to the top. This means that even if I were to call (fact 1000000), I need only the same amount of space as (fact 3). This is not the case with the non-tail-recursive fact, and as such large values may cause a stack overflow.
...
Why does `a == b or c or d` always evaluate to True?
... == "Kevin" or name == "Jon" or name == "Inbar":
Compose a sequence of valid values, and use the in operator to test for membership:
if name in {"Kevin", "Jon", "Inbar"}:
In general of the two the second should be preferred as it's easier to read and also faster:
>>> import timeit
>&g...
Why should a Java class implement comparable?
...s one for the good explanation of why compareTo returns an int and what it means. Most helpful.
– james.garriss
Jan 27 '16 at 13:19
1
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How do I find which transaction is causing a “Waiting for table metadata lock” state?
...ist of blocking transactions:
SELECT *
FROM INNODB_LOCKS
WHERE LOCK_TRX_ID IN (SELECT BLOCKING_TRX_ID FROM INNODB_LOCK_WAITS);
OR
SELECT INNODB_LOCKS.*
FROM INNODB_LOCKS
JOIN INNODB_LOCK_WAITS
ON (INNODB_LOCKS.LOCK_TRX_ID = INNODB_LOCK_WAITS.BLOCKING_TRX_ID);
A List of locks on particular...
delete a.x vs a.x = undefined
...are not equivalent. The main difference is that setting
a.x = undefined
means that a.hasOwnProperty("x") will still return true, and therefore, it will still show up in a for in loop, and in Object.keys()
delete a.x
means that a.hasOwnProperty("x") will return false
The way that they are the ...