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Activity restart on rotation Android
In my Android application, when I rotate the device (slide out the keyboard) then my Activity is restarted ( onCreate is called). Now, this is probably how it's supposed to be, but I do a lot of initial setting up in the onCreate method, so I need either:
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XPath: How to select nodes which have no attributes?
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To address Marek Czaplicki's comment and expand the answer
//node[not(@*) or not(string-length(@*))]
....will select all node elements with zero attributes OR which have attributes that are all empty. If it was just a particular attribute you are interested i...
xpath find if node exists
...probably ask that as a new question at SO, but as a quick guide: html/body and not(html/body/node()) (i.e., just test if it exists and it does not contain any child nodes, or text nodes).
– Abel
Sep 6 '15 at 11:30
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Hiding textarea resize handle in Safari
I'm using textarea components in my application, and I control their height dynamically. As the user types, the height is increased whenever there is enough text. This works fine on IE, Firefox, and Safari.
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Prevent browser caching of AJAX call result
...believe that the DV are made because yours is above Peter's (as accepted). and the OP doesn't appear on SO since early 2013
– Michel Ayres
Sep 5 '14 at 13:01
1
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How to create a temporary directory/folder in Java?
Is there a standard and reliable way of creating a temporary directory inside a Java application? There's an entry in Java's issue database , which has a bit of code in the comments, but I wonder if there is a standard solution to be found in one of the usual libraries (Apache Commons etc.) ?
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What does the comma operator , do?
...ression2)
First expression1 is evaluated, then expression2 is evaluated, and the value of expression2 is returned for the whole expression.
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How do I loop through or enumerate a JavaScript object?
...have to make sure that the key you get is an actual property of an object, and doesn't come from the prototype.
Here is the snippet:
var p = {
"p1": "value1",
"p2": "value2",
"p3": "value3"
};
for (var key in p) {
if (p.hasOwnProperty(key)) {
console.log(key + "...
A TwoWay or OneWayToSource binding cannot work on the read-only property
I've a read only property I need to display in a textbox, and getting this error at runtime. I've set IsEnabled="False" , IsReadOnly="True" - no luck.
Other searches say the readonly should fix it, but not for me.
I've got an ugly workaround by adding a dummy setter...
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How do you run a crontab in Cygwin on Windows?
Some cygwin commands are .exe files, so you can run them with the standard Windows Scheduler, but others don't have an .exe extension so can't be run from DOS (it seems like).
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