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Which SQL query is faster? Filter on Join criteria or Where clause?
Compare these 2 queries. Is it faster to put the filter on the join criteria or in the WHERE clause. I have always felt that it is faster on the join criteria because it reduces the result set at the soonest possible moment, but I don't know for sure.
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Javascript checkbox onChange
I have a checkbox in a form and I'd like it to work according to following scenario:
10 Answers
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Can I use assert on Android devices?
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The API provides the JUnit Assert.
You can do
import static junit.framework.Assert.*;
now you can use all the functions like assertTrue, assertEquals, assertNull that are provided in the junit framework.
Be careful not to import the Junit4 fr...
Reload the path in PowerShell
...ell ISE running and I install something that modifies the PATH or I modify it in any way outside of PowerShell then I need to restart PowerShell for it to see the updated PATH variable.
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.htaccess rewrite to redirect root URL to subdirectory
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You can use a rewrite rule that uses ^$ to represent the root and rewrite that to your /store directory, like this:
RewriteEngine On
RewriteRule ^$ /store [L]
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How can I format a number into a string with leading zeros?
... i.ToString("D2");
D stands for "decimal number", 2 for the number of digits to print.
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Android Get Current timestamp?
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@kjdion84 excuse me, but why do you think it would be important ? Just based on the question.
– Cԃաԃ
Aug 2 '19 at 5:55
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T-SQL CASE Clause: How to specify WHEN NULL
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edited Oct 23 '11 at 18:55
Kirk Woll
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Distinct() with lambda?
Right, so I have an enumerable and wish to get distinct values from it.
18 Answers
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Android: Temporarily disable orientation changes in an Activity
My main activity has some code that makes some database changes that should not be interrupted. I'm doing the heavy lifting in another thread, and using a progress dialog which I set as non-cancellable. However, I noticed that if I rotate my phone it restarts the activity which is REALLY bad for the...