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How does the socket API accept() function work?
The socket API is the de-facto standard for TCP/IP and UDP/IP communications (that is, networking code as we know it). However, one of its core functions, accept() is a bit magical.
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Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
...es. Also, not all situations are quite handled- for example, if you try to select from table foo while another transaction is dropping it and creating a replacement table foo, then the blocked transaction will finally receive an error rather than finding the new foo table. (Edit: this was fixed in o...
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How and when to use ‘async’ and ‘await’
From my understanding one of the main things that async and await do is to make code easy to write and read - but is using them equal to spawning background threads to perform long duration logic?
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Add unique constraint to combination of two columns
....YourTable
INSTEAD OF INSERT
AS
BEGIN
SET NOCOUNT ON;
IF NOT EXISTS (SELECT 1 FROM inserted AS i
INNER JOIN dbo.YourTable AS t
ON i.column1 = t.column1
AND i.column2 = t.column2
)
BEGIN
INSERT dbo.YourTable(column1, column2, ...)
SELECT column1, column2, ... FROM ins...
SQL parser library for Java [closed]
... SQL_PARSER.createStatement(query); How can I get the Query body, i.e. the Select, From, Where, etc values?
– quarks
Apr 4 '15 at 17:56
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How do I verify/check/test/validate my SSH passphrase?
...ng selinux, you might also want to check the context of the home directory and .ssh files! I was lucky enough to be able to use this simple fix: # restorecon -R -v /home/user To check if this is the problem (though the preceding command shouldn't cause any issues), you can use $ ls -lZR <home_dir...
How do I associate file types with an iPhone application?
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File type handling is new with iPhone OS 3.2, and is different than the already-existing custom URL schemes. You can register your application to handle particular document types, and any application that uses a document controller can...
How to clear a notification in Android
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I don't know why this isn't upvoted more and selected as the answer. This was the solution I was looking for. Thanks!
– loeschg
Jan 29 '13 at 23:48
3
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What is the equivalent of bigint in C#?
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I just had a script that returned the primary key of an insert and used a
SELECT @@identity
on my bigint primary key, and I get a cast error using long - that was why I started this search. The correct answer, at least in my case, is that the type returned by that select is NUMERIC which equates t...