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Check image width and height before upload with Javascript
...take it you realize this is only supported in a few browsers. Mostly firefox and chrome, could be opera as well by now.
P.S. The URL.createObjectURL() method has been removed from the MediaStream interface. This method has been deprecated in 2013 and superseded by assigning streams to HTMLMediaElem...
Print variables in hexadecimal or decimal format
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Sure it is. Try these:
# Hexadecimal
p/x variable
# Binary
p/t variable
See output formats.
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Most efficient way to prepend a value to an array
... 2]
For completeness, the following function can be used instead of OP's example prependArray(...) to take advantage of the Array unshift(...) method:
function prepend(value, array) {
var newArray = array.slice();
newArray.unshift(value);
return newArray;
}
var x = [1, 2, 3];
var y = prepen...
Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C”
I would like install R on my laptop Mac OS X version 10.7.3
6 Answers
6
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How to do ToString for a possibly null object?
... succinct in practice.
As suggested elsewhere, I recommend maybe using an extension method to make this cleaner:
public static string ToStringNullSafe(this object value)
{
return (value ?? string.Empty).ToString();
}
sh...
What is Activity.finish() method doing exactly?
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When calling finish() on an activity, the method onDestroy() is executed. This method can do things like:
Dismiss any dialogs the activity was managing.
Close any cursors the activity was managing.
Close any open search dialog
Also, onDestroy() isn't a destructor. It doesn't actually d...
How do I hide an element when printing a web page?
...ant;
}
}
Then add class='no-print' (or add the no-print class to an existing class statement) in your HTML that you don't want to appear in the printed version, such as your button.
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Why is my git repository so big?
...l branches in the new repo:
d1=#original repo
d2=#new repo (must already exist)
cd $d1
for b in $(git branch | cut -c 3-)
do
git checkout $b
x=$(git rev-parse HEAD)
cd $d2
git checkout -b $b $x
cd $d1
done
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Need a good hex editor for Linux [closed]
I need a good HEX editor for Linux, and by good I mean:
4 Answers
4
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How to set JAVA_HOME in Linux for all users
I am new to Linux system and there seem to be too many Java folders.
20 Answers
20
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