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What's the difference between process.cwd() vs __dirname?
...tory,
i.e. the directory from which you invoked the node command.
__dirname returns the directory name of the directory containing the JavaScript source code file
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Check whether a variable is a string in Ruby
... appropriate idiom to use (and often a duck-typing check like Andrew Grimm mentions is even better). A strict class comparison is usually a code smell. en.wikipedia.org/wiki/Liskov_substitution_principle
– mahemoff
Jan 17 '13 at 6:23
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“git diff” does nothing
I presume this is a configuration error somewhere, but I can't figure out where. Regular git commands appear to work fine, but "git diff" does nothing. To be safe, I removed external diff tools from my .gitconfig file. This was installed via MacPorts and is the lates version (1.7.2.2).
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How to fix the flickering in User controls
... holes where the child control windows go. Each child control then gets a message to paint itself, they'll fill in the hole with their window content. When you have a lot of controls, those holes are visible to the user for a while. They are normally white, contrasting badly with the BackgroundIm...
How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
...CB should not be used if encrypting more than one block of data with the same key.
CBC, OFB and CFB are similar, however OFB/CFB is better because you only need encryption and not decryption, which can save code space.
CTR is used if you want good parallelization (ie. speed), instead of CBC/OFB/CFB....
Force Screen On
...event the device from sleeping? If so, the commonness of WAKE_LOCK strikes me as a shocking mistake!
– Michael Cramer
Jan 25 '10 at 18:52
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What is the best way to paginate results in SQL Server
...ting are two different operations. For the sake of this example, let's assume that the query you're dealing with is
SELECT * FROM Orders WHERE OrderDate >= '1980-01-01' ORDER BY OrderDate
In this case, you would determine the total number of results using:
SELECT COUNT(*) FROM Orders WHERE Or...
How to append text to a text file in C++?
...en using std::ofstream, it always uses the out flag implicitly for you. Same with the in flag for std::ifstream. You would have to specify the in and out flags explicitly if you were using std::fstream instead.
– Remy Lebeau
Nov 6 '19 at 22:31
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Gets byte array from a ByteBuffer in java
Is this the recommended way to get the bytes from the ByteBuffer
6 Answers
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How do I make a transparent canvas in html5?
...ground on mobile so layering canvases doesn't work there. (At least on Chrome for Android)
– nicholeous
Jul 6 '15 at 23:25
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