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Proper use of beginBackgroundTaskWithExpirationHandler

... dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ [self beginBackgroundUpdateTask]; NSURLResponse * response = nil; NSError * error = nil; NSData * responseData = [NSURLConnection sendSynchronousRequest: request returningResponse...
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Mysql adding user for remote access

... instance. I followed your CREATE USER and GRANT ALL steps, set mysql.default_port = <private instance port> in my php.ini, and then used 127.0.0.1 throughout for my db hostname – spex Sep 11 '13 at 18:41 ...
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How to add texture to fill colors in ggplot2

...lows at least 3 types of basic pattern in ggplot2. The code: Example.Data<- data.frame(matrix(vector(), 0, 3, dimnames=list(c(), c("Value", "Variable", "Fill"))), stringsAsFactors=F) Example.Data[1, ] <- c(45, 'Horizontal Pattern','Horizontal Pattern' ) Example.Data[2, ] <- c(65, 'Vertica...
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How to handle invalid SSL certificates with Apache HttpClient? [duplicate]

...uses a self-signed certificate which obviously isn't contained in the default set of trust managers. You'll need to one of the following: Configure the SSLContext with a TrustManager that accepts any cert (see below) Configure the SSLContext with an appropriate trust store that includes your cert...
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Why does PostgreSQL perform sequential scan on indexed column?

...nerally use bounded ranges in where clause. eg - year > 2019 and year < 2020. A lot of the times statistics are not updated on a table and it may not be possible to do so due to constraints. In this case, the optimizer will not know how many rows it should take in year > 2019. Thus it sel...
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How to completely remove node.js from Windows

...be add this to your answer as it is still a very popular google search result. – Ward D.S. Aug 15 '16 at 12:16 ...
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Does const mean thread-safe in C++11?

...s not atomic, and neither happens before the other. Any such data race results in undefined behavior. which is nothing else than the sufficient condition for a data race to occur: There are two or more actions being performed at the same time on a given thing; and At least one of them is a write. ...
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Change app language programmatically in Android

...uration(context.getResources().getConfiguration()); Locale.setDefault(locale); config.setLocale(locale); context.getBaseContext().getResources().updateConfiguration(config, context.getBaseContext().getResources().getDisplayMetrics()); } ...
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Try-catch speeding up my code?

...e code for testing the impact of try-catch, but seeing some surprising results. 5 Answers ...
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Setting default value for TypeScript object passed as argument

...eys you want to pick from the argument object, with key=value for any defaults. Follow that with the : and a type declaration. This is a little different than what you were trying to do, because instead of having an intact params object, you have instead have dereferenced variables. If you want to...