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What is Double Brace initialization in Java?

...nt problems in your application, which I've just recently blogged about in more detail here. 1. You're creating way too many anonymous classes Each time you use double brace initialisation a new class is made. E.g. this example: Map source = new HashMap(){{ put("firstName", "John"); put("...
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Password hint font in Android

...on-standard behavior compared to the default textPassword behavior. For a more complete solution, see the helper class at: stackoverflow.com/a/17582092/231078 – Joe Jul 10 '13 at 22:34 ...
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Using R to list all files with a specified extension

...e=TRUE). And take look on the help page for that function (?list.files) to more details. – Marek Oct 20 '15 at 18:22 add a comment  |  ...
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Find and copy files

... really a relevant answer, it also should be a comment (when you have some more rep), unless you wish to expand and explain it. Just a heads up :). – W1ll1amvl Dec 8 '14 at 0:57 ...
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Passing command line arguments to R CMD BATCH

... My impression is that R CMD BATCH is a bit of a relict. In any case, the more recent Rscript executable (available on all platforms), together with commandArgs() makes processing command line arguments pretty easy. As an example, here is a little script -- call it "myScript.R": ## myScript.R arg...
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What does an Asterisk (*) do in a CSS selector?

... Though these days the browser built in inspectors are much more effective, no? Or using firebug. – Lawrence Dol Jan 29 '13 at 1:33 ...
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multiprocessing: How do I share a dict among multiple processes?

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“An exception occurred while processing your request. Additionally, another exception occurred while

... First, set customErrors = "Off" in the web.config and redeploy to get a more detailed error message that will help us diagnose the problem. You could also RDP into the instance and browse to the site from IIS locally to view the errors. <system.web> <customErrors mode="Off" />...
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How does TransactionScope roll back transactions?

...saction (Transaction Scope) and if so enlist with it. Caution if there are more the one connection to the same SQL server this will escalate to a Distribtued Transaction. What happens since you're using a using block you are ensuring dispose will be called even if an exception occurs. So if dispos...
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Getting a list of all subdirectories in the current directory

...,dirs,files). Which means that dirs has many repeating entries. Is there a more efficient way that recurses through directories? – mathtick Aug 18 '10 at 21:59 23 ...