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Count work days between two dates
...RE @StartDate DATETIME
DECLARE @EndDate DATETIME
SET @StartDate = '2008/10/01'
SET @EndDate = '2008/10/31'
SELECT
(DATEDIFF(dd, @StartDate, @EndDate) + 1)
-(DATEDIFF(wk, @StartDate, @EndDate) * 2)
-(CASE WHEN DATENAME(dw, @StartDate) = 'Sunday' THEN 1 ELSE 0 END)
-(CASE WHEN DATENAME(dw, ...
How do I get textual contents from BLOB in Oracle SQL
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edited Aug 19 '13 at 6:01
answered May 6 '09 at 9:36
Mac...
Design Pattern for Undo Engine
...y user-action that's undoable gets its own command instance with all the information to execute the action and roll it back. You can then maintain a list of all the commands that have been executed and you can roll them back one by one.
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Precedence and bitmask operations
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You are actually doing this:
var_dump(0b10 & (0b01 == 0));
var_dump(0b10 & (0b01 != 0));
Try:
var_dump((0b10 & 0b01) == 0);
var_dump((0b10 & 0b01) != 0);
share
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Case conventions on element names?
Are there any formal recommendations on element casing in XML?
10 Answers
10
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Correct way to convert size in bytes to KB, MB, GB in JavaScript
...ore
Now, Fixed version unminified, and ES6'ed: (by community)
function formatBytes(bytes, decimals = 2) {
if (bytes === 0) return '0 Bytes';
const k = 1024;
const dm = decimals < 0 ? 0 : decimals;
const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
c...
How can I implement a tree in Python?
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It's good form to disclose that you are the author of the package you're recommending in your answer.
– John Y
Jul 23 '17 at 23:57
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What is the idiomatic Go equivalent of C's ternary operator?
...ion used too often to create impenetrably complex expressions. The if-else form, although longer, is unquestionably clearer. A language needs only one conditional control flow construct.
— Frequently Asked Questions (FAQ) - The Go Programming Language
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How to suppress Java warnings for specific directories or files such as generated code
...lders only. But what if I just have a folder in project containing some malformed XML files? I hate to see warnings about them :(
– altumano
Nov 2 '12 at 10:55
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Deprecated ManagedQuery() issue
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
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