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SQL Joins Vs SQL Subqueries (Performance)?
... is good, But it is alwys better to go for EXISTS.
All these criterias I tested and the tables have proper indexes.
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Bootstrap css hides portion of container below navbar navbar-fixed-top
...shCoding, this approach is not good coding practice (fails maintainability test for no good reason). It isn't clear right away what this extra navbar does.
– fragilewindows
Dec 7 '16 at 13:07
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How to calculate age (in years) based on Date of Birth and getDate()
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The simplest/shortest code for this exact same calculation method in SQL Server 2012+ is code: SELECT [Age] = (0+ FORMAT(@as_of,'yyyyMMdd') - FORMAT(@bday,'yyyyMMdd') ) /10000 --The 0+ part tells SQL to calc the char(8) as numbers
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Android Center text on canvas
...is a little bit too low and two much on the right.
This is how I made the test:
import android.app.Activity;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics...
How do I change the formatting of numbers on an axis with ggplot?
...things, it's easiest to add more gsub() directly after the format(), while testing what format() returns for your case in a separate console.
– semi-extrinsic
Sep 15 '15 at 10:15
3...
NullPointerException in Java with no StackTrace
... exceptions to lose their stack traces in production – and the fix
I've tested it on Mac OS X
java version "1.6.0_26"
Java(TM) SE Runtime Environment (build 1.6.0_26-b03-383-11A511)
Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02-383, mixed mode)
Object string = "abcd";
int i = 0;
while (i ...
How to add a browser tab icon (favicon) for a website?
...directory
From another SO answer (by @mercator):
All modern browsers (tested with Chrome 4, Firefox 3.5, IE8, Opera 10 and Safari 4) will always request a favicon.ico unless you've specified a shortcut icon via <link>.
So all you have to do is to make the /favicon.ico request to your we...
Add all files to a commit except a single file?
... is a path. The other two variants work without including the two dashes. (Tested in command prompt on Windows 7 with msysGit)
– dennisschagt
Nov 8 '14 at 14:06
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Why should Java ThreadLocal variables be static
...ing code sample.
CurrentUser - stores the current user id in ThreadLocal
TestService - Simple service with method - getUser() to fetch the current user from CurrentUser.
TestThread - this class used for creating multiple threads and set userids concurrently
.
public class CurrentUser
public cl...
Is it possible to read from a InputStream with a timeout?
...228)
at java.util.concurrent.FutureTask.get(FutureTask.java:91)
at test.InputStreamWithTimeoutTest.main(InputStreamWithTimeoutTest.java:74)
I can catch the TimeoutException and do whatever cleanup I want.
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