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PostgreSQL error: Fatal: role “username” does not exist

... @parsecer: An interactive shell is started, similar to su, but based on sudo privileges. See man sudo. – Erwin Brandstetter Nov 15 '19 at 19:02 ...
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String, StringBuffer, and StringBuilder

...ing ones, Now one thing I would like to ask, as stated by @Peter should we start using StringBuffer instead on String in all cases or there are some specific cases? – JavaDragon Jun 17 '16 at 7:57 ...
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Cluster analysis in R: determine the optimal number of clusters

...endrogram to visualize the results of my cluster analysis, then you should start with these: http://www.statmethods.net/advstats/cluster.html http://www.r-tutor.com/gpu-computing/clustering/hierarchical-cluster-analysis http://gastonsanchez.wordpress.com/2012/10/03/7-ways-to-plot-dendrograms-in-r/ A...
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Outlook autocleaning my line breaks and screwing up my email format

... Start every line with 2 spaces and outlook will be "tricked" into keeping your formatting. So change Date of Hire: %HireDate% Annual Salary: %AnnualIncome% Reason for Request: %ReasonForRequest% Name of Voluntary Employee:...
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How to reload/refresh an element(image) in jQuery

... worked for me for years, but today my image server (not controlled by me) started returning a broken link if the file name isn't exact. If anyone has another workaround it would be much appreciated. Unfortunately every answer in this thread is a variation on this one. – felwit...
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Regular Expression For Duplicate Words

... Try this with below RE \b start of word word boundary \W+ any word character \1 same word matched already \b end of word ()* Repeating again public static void main(String[] args) { String regex = "\\b(\\w+)(\\b\\W+\\b\\1\\b)*";//...
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MVC (Laravel) where to add logic

...example: A short while ago, I developed something like the Google Forms. I started with a CustomFormService and ended up with CustomFormService, CustomFormRender, CustomFieldService, CustomFieldRender, CustomAnswerService and CustomAnswerRender. Why? Because it made sense to me. If you work with a t...
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Performance difference for control structures 'for' and 'foreach' in C#

... < 10000000; i++) { intList.Add(i); } DateTime timeStarted = DateTime.Now; for (int i = 0; i < intList.Count; i++) { int foo = intList[i] * 2; if (foo % 2 == 0) { } } TimeSpan finished = DateTime.Now - timeStarted; Cons...
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How to use Boost in Visual Studio 2010

...7.0 as of writing) into a directory of your choice (e.g. C:\boost_1_47_0). Start the Visual Studio Command Prompt for the platform of your choice and navigate to where boost is. Run: bootstrap.bat to build b2.exe (previously named bjam). Run b2: Win32: b2 --toolset=msvc-10.0 --build-type=complete...
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How to stop a program running under Eclipse?

... Just started the app right after the project creation and when clicking stop button it did not kill the process but fired a RemoteException sending setActive(false) notification in the logCat viewport – Stpha...