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How to check SQL Server version
...arentheses, together with the user name that is used to connect to the specific instance of SQL Server.
Method 3: Look at the first few lines of the Errorlog file for that instance. By default, the error log is located at Program Files\Microsoft SQL Server\MSSQL.n\MSSQL\LOG\ERRORLOG and ERRORLOG.n ...
Storing SHA1 hash values in MySQL
...es just 4 bit per character and thus would need 160/4 = 40 characters. But if you use 8 bit per character, you would only need a 160/8 = 20 character long field.
So I recommend you to use BINARY(20) and the UNHEX function to convert the SHA1 value to binary.
I compared storage requirements for BIN...
The type or namespace name 'Objects' does not exist in the namespace 'System.Data'
...
It worked! Curious, if the System.Data.objects namespace is indeed present within the System.Data.Entity?
– pencilslate
Aug 13 '09 at 22:51
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Is Java Regex Thread Safe?
...rrent threads. Instances of the Matcher class are not safe for such use.
If you are looking at performance centric code, attempt to reset the Matcher instance using the reset() method, instead of creating new instances. This would reset the state of the Matcher instance, making it usable for the n...
Get top n records for each group of grouped results
...s, using UNION ALL (See SQL Fiddle with Demo). This works with two groups, if you have more than two groups, then you would need to specify the group number and add queries for each group:
(
select *
from mytable
where `group` = 1
order by age desc
LIMIT 2
)
UNION ALL
(
select *
from...
How do I move a single folder from one Subversion repository to another repository?
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If you have access the repository itself (not a working copy), you should be able to dump the current repository, filter it to only include information about the docs folder, and load it into the other repository.
Would be s...
Nested using statements in C#
... working on a project. I have to compare the contents of two files and see if they match each other precisely.
17 Answers
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In Python, how do I split a string and keep the separators?
...org/library/re.html#re.split: "Split string by the occurrences of pattern. If capturing parentheses are used in pattern, then the text of all groups in the pattern are also returned as part of the resulting list."
– Vinay Sajip
Jan 25 '10 at 23:54
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Why declare a struct that only contains an array in C?
...nst-reference, unless the callee already needs a tmp copy it can destroy. If the call / return don't optimize away, a medium to large array (thousands of bytes) is a terrible thing to pass by value.
– Peter Cordes
Jun 11 '18 at 16:49
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Detect rotation of Android phone in the browser with JavaScript
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Just to clarify: Those looking for a solution that also works on iOS should look at two-bit-fool's or my answer.
– mklement0
Dec 10 '12 at 16:39
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