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What is the purpose of Order By 1 in SQL select statement?
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Tested and working in SQL Server ;WITH cte AS( SELECT 1 AS Col1, 'z' AS Col2 UNION SELECT 2 AS Col1, 'y' AS Col2 UNION SELECT 3 AS Col1, 'x' AS Col2 ) SELECT Col2, Col1 FROM cte ORDER BY 1
– Ivanzin...
将Genymotion模拟器与App Inventor一起使用 · App Inventor 2 中文网
...保 aiStarter 正在运行，然后访问页面 http://appinventor.mit.edu/test.html 。您应该看到[b]：
如果 aiStarter 控制台可见，则应该也能看到一些活动：
让 AVD 和 aiStarter 保持运行。
下载 MIT AI2 Companion App [c]http://ai2.appinventor.mit.edu/com...
“A project with an Output type of Class Library cannot be started directly”
...ates of Projects).
In the newly added project, you can implement logic to test your Class Library.
Output type of the project you can find and change by the following steps:
Right click on project in Solution Explorer -> Properties.
In opened tab with properties select Application and there w...
Converting Java objects to JSON with Jackson
...l
Choose the version your project needs. (Typically you can go with the latest stable build).
Once they are imported in to your project's libraries, add the following import lines to your code:
import org.codehaus.jackson.JsonGenerationException;
import org.codehaus.jackson.map.JsonMappingExc...
Access mysql remote database from command line
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mysql -u testuser -h 192.168.**.* -P 3306 -p password worked for me
– Mahebub A Sayyed
Nov 8 '16 at 7:40
add ...
How to create a table from select query result in SQL Server 2008 [duplicate]
... I don't think this was maybe the case when this answer was posted. I just tested the code above got the answer as in the official docs. field3 was created with float datatype like on the old table.
– Pedro Lopes
Jul 16 '18 at 13:02
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Persist javascript variables across pages? [duplicate]
...e capabilities & sessionStorage of HTML5. These are supported in the latest versions of all modern browsers, and are much easier to use and less fiddly than cookies.
http://www.w3.org/TR/2009/WD-webstorage-20091222/
https://www.w3.org/TR/webstorage/. (second edition)
Here are some sample code...
How can I explode and trim whitespace?
...:
$new_arr = preg_split('/\s*,\s*/', trim($str));
and this is a minimal test with white-spaces in every sensible position:
$str = ' first , second , third , fourth, fifth ';
$new_arr = preg_split('/\s*,\s*/', trim($str));
var_export($str);
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How to convert string into float in JavaScript?
... '');
val = parseFloat(val);
while (/(\d+)(\d{3})/.test(val.toString())) {
val = val.toString().replace(/(\d+)(\d{3})/, '$1' + ',' + '$2');
}
}
return val;
}
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How to remove new line characters from a string?
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A LINQ approach:
string s = "This is a Test String.\n This is a next line.\t This is a tab.\n'";
string s1 = String.Join("", s.Where(c => c != '\n' && c != '\r' && c != '\t'));
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