大约有 44,000 项符合查询结果(耗时:0.1047秒) [XML]
How do I turn off the output from tar commands on Unix? [closed]
...
And will it show errors even in non-verbose mode?
– Phil Filippak
Feb 13 '16 at 6:47
9
...
How to use GROUP BY to concatenate strings in SQL Server?
... or User-Defined Function needed.
Just need to be creative with FOR XML and PATH.
[Note: This solution only works on SQL 2005 and later. Original question didn't specify the version in use.]
CREATE TABLE #YourTable ([ID] INT, [Name] CHAR(1), [Value] INT)
INSERT INTO #YourTable ([ID],[Name],[Va...
Get output parameter value in ADO.NET
...ially you just need to create a SqlParameter, set the Direction to Output, and add it to the SqlCommand's Parameters collection. Then execute the stored procedure and get the value of the parameter.
Using your code sample:
// SqlConnection and SqlCommand are IDisposable, so stack a couple using()...
Getting “bytes.Buffer does not implement io.Writer” error message
...
I ran into this and would be interested in learning why that is the case. I'm pretty unfamiliar with pointers in Go.
– hourback
Oct 14 '14 at 20:00
...
How do I concatenate multiple C++ strings on one line?
...ilverMöls The OP declares s on a different line in the equivalent C# code and in his non-compiling C++ code. His desired C++ is s += "Hello world, " + "nice to see you, " + "or not."; which can be written s.append("Hello world, ").append("nice to see you, ").append("or not.");
...
Remove large .pack file created by git
I checked a load of files in to a branch and merged and then had to remove them and now I'm left with a large .pack file that I don't know how to get rid of.
...
How to re-sync the Mysql DB if Master and slave have different database incase of Mysql replication?
... master:
RESET MASTER;
FLUSH TABLES WITH READ LOCK;
SHOW MASTER STATUS;
And copy the values of the result of the last command somewhere.
Without closing the connection to the client (because it would release the read lock) issue the command to get a dump of the master:
mysqldump -u root -p --al...
Why does the is operator return false when given null?
...e) type
One would be implicitly assuming that a type is a set of values, and that assignment compatibility of a value y with a variable of type X is nothing more nor less than checking whether y is a member of set x.
Though that is an extremely common way of looking at types, that is not the onl...
How to debug an apache virtual host configuration?
...ck configuration files for syntax errors:
# Red Hat-based (Fedora, CentOS) and OSX
httpd -t
# Debian-based (Ubuntu)
apache2ctl -t
# MacOS
apachectl -t
List virtual hosts
To list all virtual hosts, and their locations:
# Red Hat-based (Fedora, CentOS) and OSX
httpd -S
# Debian-based (Ubuntu)
apac...
Base64 Java encode and decode a string [duplicate]
I want to encode a string into base64 and transfer it through a socket and decode it back.
6 Answers
...