大约有 44,000 项符合查询结果（耗时：0.0487秒） [XML]
Query to list number of records in each table in a database
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If you're using SQL Server 2005 and up, you can also use this:
SELECT
t.NAME AS TableName,
i.name as indexName,
p.[Rows],
sum(a.total_pages) as TotalPages,
sum(a.used_pages) as UsedPages,
sum(a.data_pages) as DataPages,
(sum(...
Convert JavaScript String to be all lower case?
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what is time and space complexity of toLowerCase() function?
– Ramzan Chasygov
Apr 4 '18 at 17:41
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How to get highcharts dates in the x axis?
Is there a standard way to get dates on the x-axis for Highcharts? Can't find it in their documentation: http://www.highcharts.com/ref/#xAxis--type
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Solutions for distributing HTML5 applications as desktop applications? [closed]
...by GitHub for building cross-platform desktop applications with HTML, CSS, and JavaScript. Electron accomplishes this by combining Chromium and Node.js into a single runtime and apps can be packaged for Mac, Windows, and Linux. (source)
The folks at github use this to provide their code editor Ato...
Using CSS for a fade-in effect on page load
... text-align: center;
-webkit-animation: fadein 2s; /* Safari, Chrome and Opera > 12.1 */
-moz-animation: fadein 2s; /* Firefox < 16 */
-ms-animation: fadein 2s; /* Internet Explorer */
-o-animation: fadein 2s; /* Opera < 12.1 */
animation: fadein 2s...
How to watch for a route change in AngularJS?
...onChangeSuccess
See What's the difference between $locationChangeSuccess and $locationChangeStart?
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Evaluate empty or null JSTL c tags
...c:choose>
Or if you don't need to conditionally render a bunch of tags and thus you could only check it inside a tag attribute, then you can use the EL conditional operator ${condition? valueIfTrue : valueIfFalse}:
<c:out value="${empty var1 ? 'var1 is empty or null' : 'var1 is NOT empty or n...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
...bunch of mutexes or a single one for an object.
If you have many threads and the access to the object happens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking.
How efficient is it to lock a mutex? I.e....
Is there a template engine for Node.js? [closed]
...e became deprecated you can find an alternative page on Visionmedia's wiki and the chapter about templates.
– Thomas Potaire
Mar 1 '14 at 1:44
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How can I remove the first line of a text file using bash/sed script?
...you the last 5 lines of the input. The + sign kind of inverts the argument and make tail print anything but the first x-1 lines. tail -n +1 would print the whole file, tail -n +2 everything but the first line, etc.
GNU tail is much faster than sed. tail is also available on BSD and the -n +2 flag i...