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What is the difference between & and && in Java?
...the first operand evaluates to false since the result will be false
(x != 0) & (1/x > 1) <-- this means evaluate (x != 0) then evaluate (1/x > 1) then do the &. the problem is that for x=0 this will throw an exception.
(x != 0) && (1/x > 1) <-- this means evaluate (x...
Use find command but exclude files in two directories
... it happy.
– peelman
Nov 12 '13 at 20:08
3
...
Two statements next to curly brace in an equation
...cument}
\begin{equation}
f(x)=\begin{cases}
1, & \text{if $x<0$}.\\
0, & \text{otherwise}.
\end{cases}
\end{equation}
\end{document}
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...
Javascript swap array elements
... = list[y];
list[y] = list[x];
list[x] = b;
Edit hijacking top answer 10 years later with a lot of ES6 adoption under our belts:
Given the array arr = [1,2,3,4], you can swap values in one line now like so:
[arr[0], arr[1]] = [arr[1], arr[0]];
This would produce the array [2,1,3,4]. This is ...
Draw in Canvas by finger, Android
...
+200
Start By going through the Fingerpaint demo in the sdk sample.
Another Sample:
public class MainActivity extends Activity {
D...
C# DateTime to “YYYYMMDDHHMMSS” format
...
1095
DateTime.Now.ToString("yyyyMMddHHmmss"); // case sensitive
...
How to strip all non-alphabetic characters from string in SQL Server?
...function:
Create Function [dbo].[RemoveNonAlphaCharacters](@Temp VarChar(1000))
Returns VarChar(1000)
AS
Begin
Declare @KeepValues as varchar(50)
Set @KeepValues = '%[^a-z]%'
While PatIndex(@KeepValues, @Temp) > 0
Set @Temp = Stuff(@Temp, PatIndex(@KeepValues, @Temp), 1, '')...
Maven check for updated dependencies in repository
...lable:
[INFO] org.apache.maven:maven-artifact ........................ 2.0 -> 2.0.9
[INFO] org.apache.maven:maven-plugin-api ...................... 2.0 -> 2.0.9
[INFO] org.apache.maven:maven-project ....................... 2.0.2 -> 2.0.9
[INFO] org.codehaus.plexus:plexus-utils ........
Trees in Twitter Bootstrap [closed]
...ee */
.tree {
.border-radius(@baseBorderRadius);
.box-shadow(inset 0 1px 1px rgba(0,0,0,.05));
background-color: lighten(@grayLighter, 5%);
border: 1px solid @grayLight;
margin-bottom: 10px;
max-height: 300px;
min-height: 20px;
overflow-y: auto;
padding: 19px;
...
How to add a new audio (not mixing) into a video using ffmpeg?
...
308
Replace audio
ffmpeg -i video.mp4 -i audio.wav -map 0:v -map 1:a -c:v copy -shortest output.mp...