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How do I base64 encode (decode) in C?
... the need for floating point operations (which are slow on some hardware), by using *output_length = ((input_length - 1) / 3) * 4 + 4; in the beginning of base64_encode.
– Fabian Henze
Sep 8 '12 at 15:54
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Append TimeStamp to a File Name
... same file in the same directory. The way I have been doing it using C# is by adding a time stamp to the file name with something like this DateTime.Now.ToString().Replace('/', '-').Replace(':', '.') .
Is there a better way to do this?
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Two versions of python on linux. how to make 2.7 the default
.../bin, and may have scripts that depend on this being present, and selected by #! /usr/bin/env python. You can usually get away with running Python 2.6 scripts in 2.7, but do you want to risk it?
On top of that, monkeying with /usr/bin can break your package manager's ability to manage packages. And...
Error: Could not create the Java Virtual Machine Mac OSX Mavericks
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Normally this error occurs when you invoke java by supplying the wrong arguments/options. In this case it should be the version option.
java -version
So to double check you can always do java -help, and see if the option exists. In this case, there is no option such as...
How do I pipe or redirect the output of curl -v?
... kind of output you could possibly be seeing that could possibly be missed by 2>&1.
– SingleNegationElimination
Mar 26 '11 at 3:40
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How to undo a git merge with conflicts
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I found I needed to do git merge --abort followed by git reset --merge when having automerge conflict from popping my stash.
– Chef Pharaoh
Apr 19 '18 at 15:04
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How are GCC and g++ bootstrapped?
...e earliest implementation of C++. It was implemented in C++ but translated by what Stroustrup calls a "preprocessor" from C++ to C; not a full compiler by his definition, but still C++ was bootstrapped in C.
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How to force R to use a specified factor level as reference in a regression?
... <- lm(y ~ x + b, data = DF)
summary(m1)
Now alter the factor b in DF by use of the relevel() function:
DF <- within(DF, b <- relevel(b, ref = 3))
m2 <- lm(y ~ x + b, data = DF)
summary(m2)
The models have estimated different reference levels.
> coef(m1)
(Intercept) x ...
Map and Reduce in .NET
...he name an one does not have to write any code for it. It is solely driven by the Key that is extracted in the map step. Joel Martinez answer highlights that in my opinion better.
– xtofs
May 30 '17 at 15:58
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Reset other branch to current without a checkout
...m 'some text' argument to record the reason for the ref update to be shown by git reflog OtherBranch command, such as "synched to CurrentBranch". May be useful to remember why you did it later.
– Levi Haskell
Dec 11 '13 at 21:16
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