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rsync: how can I configure it to create target directory on server?
...er than the file, at the endpoint you provide on the server. Normally /tmp/foo/bar/file.c to remote:/tmp would produce remote:/tmp/file.c but with -R it creates /tmp/foo/bar/file.c Don't use this option unless you know what you are doing, you will get a really messy directory structure.
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How do I check if string contains substring? [duplicate]
...ce/Global_Objects/String/indexof) MDN is a great source for javascript. w3fools.com can tell you more.
– DutGRIFF
Jan 24 '14 at 21:23
8
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How does the vim “write with sudo” trick work?
...ointing out that this does not evaluate to the filename). For example, :%s/foo/bar means "in the current file, replace occurrences of foo with bar." If you highlight some text before typing :s, you'll see that the highlighted lines take the place of % as your substitution range.)
:w isn't updating ...
C++ Double Address Operator? (&&)
...s. int a, a is an l-value, however (a+2) is an r-value. For example:
void foo(int&& a)
{
//Some magical code...
}
int main()
{
int b;
foo(b); //Error. An rValue reference cannot be pointed to a lValue.
foo(5); //Compiles with no error.
foo(b+3); //Compiles with no error...
How do I reload .bashrc without logging out and back in?
...and back out. Say you had the following line in .bashrc: export PATH=$PATH:foo, and then you change it to export PATH=$PATH:bar. If you log in and back out, only bar will be in the PATH, but if you do what you suggest, both foo and bar will be in the PATH. Do you know of a way around this?
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Don't understand why UnboundLocalError occurs (closure) [duplicate]
...lError from a statement that uses an unbounded imported name. Example: def foo(): bar = deepcopy({'a':1}); from copy import deepcopy; return bar, then from copy import deepcopy; foo(). The call succeeds if the local import from copy import deepcopy is removed.
– Yibo Yang
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How to convert a string from uppercase to lowercase in Bash? [duplicate]
...n state the case of the value throughout the variable's use.
$ declare -u FOO=AbCxxx
$ echo $FOO
ABCXXX
"-l" does lc.
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Map function in MATLAB?
... answered Apr 26 '12 at 10:39
Foo BaraFoo Bara
1111 bronze badge
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How to execute mongo commands through shell scripts?
...as an environment variable:
mongo --eval 'db.mycollection.update({"name":"foo"},{$set:{"this":"that"}});' myDbName
Otherwise you may see something like this:
mongo --eval "db.test.update({\"name\":\"foo\"},{$set:{\"this\":\"that\"}});"
> E QUERY SyntaxError: Unexpected token :
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Pandas: Looking up the list of sheets in an excel file
...e the ExcelFile class (and the sheet_names attribute):
xl = pd.ExcelFile('foo.xls')
xl.sheet_names # see all sheet names
xl.parse(sheet_name) # read a specific sheet to DataFrame
see docs for parse for more options...
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