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Check if a temporary table exists and delete if it exists before creating a temporary table
...pdb..#Results') IS NOT NULL DROP TABLE #Results
GO
CREATE TABLE #Results ( Company CHAR(3), StepId TINYINT, FieldId TINYINT )
GO
select company, stepid, fieldid from #Results
GO
ALTER TABLE #Results ADD foo VARCHAR(50) NULL
GO
select company, stepid, fieldid, foo from #Results
GO
IF OBJECT_ID('tempd...
How to calculate the time interval between two time strings
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Convert Data URI to File then append to FormData
...:
function dataURItoBlob(dataURI) {
// convert base64/URLEncoded data component to raw binary data held in a string
var byteString;
if (dataURI.split(',')[0].indexOf('base64') >= 0)
byteString = atob(dataURI.split(',')[1]);
else
byteString = unescape(dataURI.split...
How is an overloaded method chosen when a parameter is the literal null value?
...e:
String x = null;
The String overload here is chosen because the Java compiler picks the most specific overload, as per section 15.12.2.5 of the JLS. In particular:
The informal intuition is that one method is more specific than another if any invocation handled by the first method could be...
Run batch file as a Windows service
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NSSM is totally free and hyper-easy, running command prompt / terminal as administrator:
nssm install "YourCoolServiceNameLabel"
then a dialog will appear so you can choose where is the file you want to run.
to uninstall
nssm remove "YourCoolServiceNameLabel"
...
How do I find out if the GPS of an Android device is enabled
... Mainly it is about firing up an intend to see the GPS config, see github.com/marcust/HHPT/blob/master/src/org/thiesen/hhpt/ui/… for details.
– Marcus
Nov 29 '09 at 22:14
3
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How to allow download of .json file with ASP.NET
...n inconsistent level of settings would easily lead to confusion later. I recommend restarting the whole iis process for safety and sanity. But in a pinch, if everyone agrees to the pros/cons, an apppool restart could work.
– Jon Adams
Jan 27 at 19:46
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Returning value from Thread
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Here is an example of CountDownLatch: developer.android.com/reference/java/util/concurrent/…
– Seagull
Oct 27 '17 at 7:21
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How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited
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If you're using SQL Server 2005, you could use the FOR XML PATH command.
SELECT [VehicleID]
, [Name]
, (STUFF((SELECT CAST(', ' + [City] AS VARCHAR(MAX))
FROM [Location]
WHERE (VehicleID = Vehicle.VehicleID)
FOR XML PATH ('')), 1, 2, '')) AS Locati...
How can I sort a List alphabetically?
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In this case, you can pass in a Comparator as an extra argument. Implementing that Comparator would be the interesting part, though.
– Thilo
Apr 3 '09 at 0:54
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