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How do I delete rows in a data frame?
...ent of a set is given by the '-' operator" -> This is a very misleading wording. Negative indexes are removed and that's it, there is no notion of complement. If you work with logical and try using - it won't work, because the complement operator for logicals is !. The complement of c(2,4,6) in t...
Command copy exited with code 4 when building - Visual Studio restart solves it
...of hyphen. I made a mistake of copy/pasting name of the branch folder from word, which was something like "1234 – ABCD". Renamed it to "1234 - ABCD" and xcopy works fine now.
– Sudeep
Feb 5 '14 at 1:43
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Terminal Multiplexer for Microsoft Windows - Installers for GNU Screen or tmux [closed]
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One of alternatives is MSYS2 , in another words "MinGW-w64"/Git Bash. You can simply ssh to Unix machines and run most of linux commands from it. Also install tmux!
To install tmux in MSYS2:
run command pacman -S tmux
To run tmux on Git Bash:
install MSYS2 and co...
How to do joins in LINQ on multiple fields in single join
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"They're semantically equivalent really" - do we need the word 'really' in there? Perhaps you meant, "They're really semantically equivalent" :)
– onedaywhen
Jul 18 '16 at 8:12
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don't fail jenkins build if execute shell fails
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I see, in that case I would change the wording from: "To stop further execution when command fails:" to: "To stop further execution when command fails and mark Jenkins job as successful:".
– Nir Alfasi
Dec 4 '15 at 18:15
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Call asynchronous method in constructor?
...ledge the asynchronous nature of the download and design for it.
In other words, decide what your application should look like while the data is downloading. Have the page constructor set up that view, and start the download. When the download completes update the page to display the data.
I have ...
What is the main purpose of setTag() getTag() methods of View?
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I'd like to add few words.
Although using get/setTag(Object) seems to be very useful in the particular case of a ViewHolder pattern, I'd recommend to think twice before using it in other cases. There is almost always another solution with bette...
Why don't Java's +=, -=, *=, /= compound assignment operators require casting?
...cause it is equivalent to:
short x = 3;
x = (short)(x + 4.6);
In other words, your assumption is correct.
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How do I alias commands in git?
...ike git cob. reminds me of summer, as in corn on the cob. actually a great word we don't think about enough... cob that is
– Matthew Turner
Feb 26 '14 at 18:22
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How do you use script variables in psql?
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One final word on PSQL variables:
They don't expand if you enclose them in single quotes in the SQL statement.
Thus this doesn't work:
SELECT * FROM foo WHERE bar = ':myvariable'
To expand to a string literal in a SQL statement, y...