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How to wait until an element exists?
...atch the DOM. It's only supported in newer browsers though, so you should fall back onto DOMNodeInserted when MutationObserver isn't available.
let observer = new MutationObserver((mutations) => {
mutations.forEach((mutation) => {
if (!mutation.addedNodes) return
for (let i = 0; i &...
The OutputPath property is not set for this project
...ns by other unrelated XML elements.
Simply edit the .wixproj file so that all the <PropertyGroup> sections that define your build configs are adjacent to one another. (To edit the .wixproj in VS2013 right click on project in Solution Explorer, Unload project, right-click again->Edit YourPr...
How to check whether an object is a date?
...nd for this is to check the object's class via
Object.prototype.toString.call(date) === '[object Date]'
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Get Insert Statement for existing row in MySQL
...T INTO dest_db.dest_table SELECT * FROM source_db.source_table;
If you really want the INSERT statements, then the only way that I know of is to use mysqldump http://dev.mysql.com/doc/refman/5.1/en/mysqldump.htm. You can give it options to just dump data for a specific table and even limit rows.
...
How to avoid “ConcurrentModificationException” while removing elements from `ArrayList` while iterat
...
Use an Iterator and call remove():
Iterator<String> iter = myArrayList.iterator();
while (iter.hasNext()) {
String str = iter.next();
if (someCondition)
iter.remove();
}
...
How can I open a URL in Android's web browser from my application?
...d the http:// ! The URL is entered by the user, is there a way to automatically format?
– Arutha
Feb 4 '10 at 18:44
4
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IIS does not list a website that matches the launch url
...ny problems (prior to that i got error messages stating that i have to manually adjust these)
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What is the difference between 'protected' and 'protected internal'?
...that's it's protected in current assembly and completely unavailable externally?
– Shimmy Weitzhandler
Oct 24 '15 at 23:16
8
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How can I check if an element exists in the visible DOM?
...f the browser's selecting method, and checking it for a truthy value (generally).
For example, if my element had an id of "find-me", I could simply use...
var elementExists = document.getElementById("find-me");
This is specified to either return a reference to the element or null. If you must ha...
Checking if an Android application is running in the background
...Pause();
MyApplication.activityPaused();
}
Update
ActivityLifecycleCallbacks were added in API level 14 (Android 4.0). You can use them to track whether an activity of your application is currently visible to the user. Check Cornstalks' answer below for the details.
The wrong one
I used to s...