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Is there a concurrent List in Java's JDK?
... new ConcurrentLinkedQueue<String>();
//Multiple threads can safely call globalQueue.add()...
for (String href : globalQueue) {
//do something with href
}
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Can Selenium Webdriver open browser windows silently in background?
...esn't suit everyone's requirements, it is a little bit of a hack:
How to hide Firefox window (Selenium WebDriver)?
and
Is it possible to hide the browser in Selenium RC?
You can 'supposedly', pass in some parameters into Chrome, specifically: --no-startup-window
Note that for some browsers, esp...
Create folder with batch but only if it doesn't already exist
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Just call mkdir C:\VTS no matter what. It will simply report that the subdirectory already exists.
Edit: As others have noted, this does set the %ERRORLEVEL% if the folder already exists. If your batch (or any processes calling ...
How can I dynamically add a directive in AngularJS?
...o just use ngRepeat. :-) But I assume you mean adding new directives dynamically to the page, in which case the answer is no - there's no simpler way because the $compile service is what wires directives up and hooks them into the event cycle. There's no way around $compileing in a situation like th...
NSDictionary - Need to check whether dictionary contains key-value pair or not
... @jbx72487 Dictionaries must contain objects; objectForKey: returns an id -- a pointer to an Objective-C object. If you are storing numbers, they must be "boxed" into an NSNumber. Even if the NSNumber is zero or false it will be still be a valid pointer and the above code will accurately detect ...
How can you get the Manifest Version number from the App's (Layout) XML variables?
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BuildConfig.VERSION_NAME is already a string, no need to call toString() on it.
– Makotosan
Apr 4 '16 at 19:52
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The 'Access-Control-Allow-Origin' header contains multiple values
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config.EnableCors(enableCorsAttribute) is usually called in WebApiConfig.cs - it's part of the Microsoft.AspNet.WebApi.Cors Nuget package, the use of which is described here: asp.net/web-api/overview/security/… app.UseCors(CorsOptions.AllowAll) is usually called in Startu...
Why does range(start, end) not include end?
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Because it's more common to call range(0, 10) which returns [0,1,2,3,4,5,6,7,8,9] which contains 10 elements which equals len(range(0, 10)). Remember that programmers prefer 0-based indexing.
Also, consider the following common code snippet:
for i in ...
How can you programmatically tell an HTML SELECT to drop down (for example, due to mouseover)?
...okup for email adresses.
There are many JavaScript+HTML controls that provide this capability--look for autocomplete controls for ideas.
See this link for the Autocomplete control...http://ajaxcontroltoolkit.codeplex.com/
...
Recursion or Iteration?
...on if the recursive function is tail recursive (the last line is recursive call). Tail recursion should be recognized by the compiler and optimized to its iterative counterpart (while maintaining the concise, clear implementation you have in your code).
I would write the algorithm in the way that ...