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Append value to empty vector in R?
...abits). ;-)
Note that vector <- c() isn't an empty vector; it's NULL. If you want an empty character vector, use vector <- character().
Pre-allocate the vector before looping
If you absolutely must use a for loop, you should pre-allocate the entire vector before the loop. This will be muc...
Android: Force EditText to remove focus? [duplicate]
I would like to be able to remove the focus from the EditText. For example if the Keyboard appears, and the user hides it with the back button, I would like the focus and the cursor to disappear. How can it be done?
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Gson - convert from Json to a typed ArrayList
...stom class JsonLog ? Basically, JsonLog is an interface implemented by different kinds of logs made by my Android app--SMS logs, call logs, data logs--and this ArrayList is a collection of all of them. I keep getting an error in line 6.
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VIM + Syntastic: how to disable the checker?
...icCheck instead.
For more, see :help syntastic-commands
On another note: if Syntastic is slow for you consider trying ale as an alternative. Unlike Syntastic it runs asynchronously, so even if it's slow it shouldn't hinder you.
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A semantics for Bash scripts?
... its own right, but with features designed to make it easy to interact specifically with the operating system and filesystem. The POSIX shell's (hereafter referred to just as "the shell") semantics are a bit of a mutt, combining some features of LISP (s-expressions have a lot in common with shell wo...
MySQL get row position in ORDER BY
...LE t
WHERE t.name = 'Beta'
...will give ties the same value. IE: If there are two values at second place, they'll both have a position of 2 when the first query will give a position of 2 to one of them, and 3 to the other...
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Cannot open backup device. Operating System error 5
...: SQL Server (MSSQLSERVER) look for the "Log On As" column (need to add it if it doesn't exist in the list).
This is the account you need to give permissions to the directory, right click in explorer > properties > Shares (And Security)
NOTE: Remember to give permissions to the actual direct...
How can I get the full object in Node.js's console.log(), rather than '[Object]'?
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Nice solution. Though no need to specify {showHidden: false} as long as it defaults to false.
– ecdeveloper
Dec 5 '14 at 11:29
40
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Is inject the same thing as reduce in ruby?
...hematics. Ruby aliases a lot in order to be intuitive to programmers with different backgrounds. If you want to use #length on an Array, you can. If you want to use #size, that's fine too!
share
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Is the creation of Java class files deterministic?
...ecutable), are the generated class files always identical? Can there be a difference depending on the operating system or hardware ? Except of the JDK version, could there be any other factors resulting in differences? Are there any compiler options to avoid differences? Is a difference only poss...