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Check/Uncheck checkbox with JavaScript (jQuery or vanilla)?
...cked", true);
// Uncheck
$("#checkbox").prop("checked", false);
jQuery (1.5-):
// Check
$("#checkbox").attr("checked", true);
// Uncheck
$("#checkbox").attr("checked", false);
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adb command not found
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I am using Mac 10.11.1 and using android studio 1.5,
I have my adb
"/Users/user-name/Library/Android/sdk/platform-tools"
Now edit you bash_profile
emacs ~/.bash_profile
Add this line to your bash_profile, and replace the user-name with your username
export PATH="$PAT...
Finding sum of elements in Swift array
...zero, +) }
}
let numbers = [1,2,3]
numbers.sum() // 6
let doubles = [1.5, 2.7, 3.0]
doubles.sum() // 7.2
To sum a property of a custom object we can extend Sequence to take a keypath with a generic value that conforms to AdditiveArithmetic as parameter:
extension Sequence {
func sum&l...
.trim() in JavaScript not working in IE
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https://developer.mozilla.org/En/Core_JavaScript_1.5_Reference/Global_Objects/String/Trim
This is a pretty recent addition to javascript, and its not supported by IE.
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Reverse a string in Java
...StringBuilder(hi).reverse().toString()
Or, for versions earlier than JDK 1.5, use java.util.StringBuffer instead of StringBuilder — they have the same API. Thanks commentators for pointing out that StringBuilder is preferred nowadays when there is no concurrency concern.
...
Rotating x axis labels in R for barplot
... xlab = "",
space = 1)
#rotate 60 degrees (srt = 60)
text(seq(1.5, end_point, by = 2), par("usr")[3]-0.25,
srt = 60, adj = 1, xpd = TRUE,
labels = paste(rownames(mtcars)), cex = 0.65)
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Checking if a variable is an integer
...s of certain type, you can simply use kind_of?:
1.kind_of? Integer #true
(1.5).kind_of? Float #true
is_numeric? "545" #true
is_numeric? "2aa" #false
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Rounding a double to turn it into an int (java)
...teger like this:
1.4 -> 1
1.6 -> 2
-2.1 -> -2
-1.3 -> -1
-1.5 -> -2
private int round(double d){
double dAbs = Math.abs(d);
int i = (int) dAbs;
double result = dAbs - (double) i;
if(result<0.5){
return d<0 ? -i : i;
}else{
re...
No internet on Android emulator - why and how to fix? [closed]
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The easiest way is to follow these steps:
run android emulator 1.5
open up the menu
go to settings
wireless settings(first block) and right at the bottom turn off airplane mode.
By now you would've seen on top 3g and your established connection.
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Find which version of package is installed with pip
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Pip 1.3 now also has a list command:
$ pip list
argparse (1.2.1)
pip (1.5.1)
setuptools (2.1)
wsgiref (0.1.2)
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