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How to capture no file for fs.readFileSync()?

... Basically, fs.readFileSync throws an error when a file is not found. This error is from the Error prototype and thrown using throw, hence the only way to catch is with a try / catch block: var fileContents; try { fileContents =...
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Base 64 encode and decode example code

...Charsets: // Sending side byte[] data = text.getBytes(StandardCharsets.UTF_8); String base64 = Base64.encodeToString(data, Base64.DEFAULT); // Receiving side byte[] data = Base64.decode(base64, Base64.DEFAULT); String text = new String(data, StandardCharsets.UTF_8); ...
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How to write string literals in python without having to escape them?

...roduction.html#strings and here: http://docs.python.org/reference/lexical_analysis.html#literals The simplest example would be using the 'r' prefix: ss = r'Hello\nWorld' print(ss) Hello\nWorld share | ...
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Node.js Mongoose.js string to ObjectId function

...n it is saved from a string, mongo tells me it is still just a string. The _id of the object, for instance, is displayed as objectId("blah") . ...
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How can I redirect HTTP requests made from an iPad?

... Just for the record I'd say that is pretty easy to install squid using macports "sudo port install squid" – MiQUEL May 4 '13 at 18:18 ...
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How do I save a UIImage to a file?

...// Save image. [UIImagePNGRepresentation(image) writeToFile:filePath atomically:YES]; Core Data has nothing to do with saving images to disk by the way. share | improve this answer | ...
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Get list of databases from SQL Server

...erver and ReportServerTempDB if you have SQL Server Reporting Services installed. – Charles Hepner Mar 28 '11 at 17:02 ...
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Linear Regression and group by in R

... fits <- lmList(response ~ year | state, data=d) fits #------------ Call: lmList(formula = response ~ year | state, data = d) Coefficients: (Intercept) year CA -1.34420990 0.17139963 NY 0.00196176 -0.01852429 Degrees of freedom: 20 total; 16 residual Residual standard error: 0.820...
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Get current URL path in PHP [duplicate]

... You want $_SERVER['REQUEST_URI']. From the docs: 'REQUEST_URI' The URI which was given in order to access this page; for instance, '/index.html'. sha...
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Why is argc not a constant?

...ting C code was an early goal of C++. Some UNIX APIs, such as getopt, actually do manipulate argv[], so it can't be made const for that reason also. (Aside: Interestingly, although getopt's prototype suggests it won't modify argv[] but may modify the strings pointed to, the Linux man page indica...