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How to make a DIV visible and invisible with JavaScript
...ity: 0; height: 10px}
<div id="box" class="box"></div>
<button onclick="box.classList.toggle('hide')">Toggle</button>
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How to count lines of Java code using IntelliJ IDEA?
...nes vs. total lines. Could use a bit more documentation. Launch it via new button that is installed in lower left corner of IntelliJ IDEA window. It has additional settings: File - Settings - (Project Settings) Statistic.
– RenniePet
Jul 19 '13 at 17:41
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UTF-8 without BOM
...ant to save a file with other encodings select save as and extend the save button in file dialog and select "Save with encoding". Or if you you want to get rid of this setting permanently just open File menu and select "Advanced save options" and there you should select "UTF-8 without signature" (an...
Max length UITextField
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Add More detail from @Martin answer
// linked your button here
@IBAction func mobileTFChanged(sender: AnyObject) {
checkMaxLength(sender as! UITextField, maxLength: 10)
}
// linked your button here
@IBAction func citizenTFChanged(sender: AnyObject) {
checkMaxLength(s...
How to save an activity state using save instance state?
...omewhere else. Or preventing your app from being killed by overriding BACK button behavior. I don't understand why they even implemented it like this in the first place. Totally unintuitive. And you can't have that Bundle the system give you to save things into except in this very particular method....
Deleting a Google App Engine application
... the entire project by going to IAM --> Settings --> Shut Down. This button is in the header and a bit tricky to spot. It looks like this:
As of AppEngine SDK 1.2.6 it's possible to delete apps completely. But beware, the app-id won't be usable again.
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How to use radio on change event?
I have two radio button
on change event i want change button How it is possible?
My Code
11 Answers
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Where are iOS simulator screenshots stored?
...r Xcode 6 & newer, device screenshots taken with the "Take Screenshot" button in the Xcode "Devices" menu will end up on the desktop. Look for a file named "Screen Shot 2014-MM-DD at HH.MM.SS.png"
For Xcode 5 & older, if you create screenshots from within Xcode (Organizer), you'll find thes...
Shall we always use [unowned self] inside closure in Swift
...hen the closure is called.
If you have closure that handles an event on a button. This can be unowned because as soon as the view controller goes away, the button and any other items it may be referencing from self goes away at the same time. The closure block will also go away at the same time.
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How can I save an image to the camera roll?
...'s camera roll. All that I have done so far is set up an IBAction for the button to save the image. What library method or function can I use to save an image to the user's camera roll?
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