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Open file via SSH and Sudo with Emacs
...name shorthand defined in an .ssh/config file. When I type /sudo:hostname:/etc/hosts, I get what you would expect, but when I type /sudo:abbrev:/etc/hosts, I get the message "Host abbrev looks like a remote host, sudo can only use the local host". Is this fixable?
– rogerl
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What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...les for when you can omit (omit) parentheses, dots, braces, = (functions), etc.?
6 Answers
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How is it possible to declare nothing inside main() in C++ and yet have a working application after
... ignore has to be initialized before entering into main() function. Now in order to initialize the global, print_fibs() needs to be executed where you can do anything — in this case, compute fibonacci numbers and print them! A similar thing I've shown in the following question (which I had asked l...
Difference between array_map, array_walk and array_filter
...ta and NOT the global state. This is because an array_map could choose any order in which to apply the function to the items in (even though in PHP it doesn't).
array_walk on the other hand it the exact opposite approach to handling arrays of data. Instead of handling each item separately, it uses ...
How to “git show” a merge commit with combined diff output even when every changed file agrees with
...Merge: fc17405 ee2de56
take those two commit ids and reverse them. so in order get the diff that you want, you would do:
git diff ee2de56..fc17405
to show just the names of the changed files:
git diff --name-only ee2de56..fc17405
and to extract them, you can add this to your gitconfig:
expo...
What's the difference between equal?, eql?, ===, and ==?
...t: => true
Note that two arrays with the same elements in a different order are not equal, uppercase and lowercase versions of the same letter are not equal and so on.
When comparing numbers of different types (e.g., integer and float), if their numeric value is the same, == will return true....
C# DLL config file
...ke use of .NET's XML schema, config section and config element mechanisms, etc. This entails creating an ExeConfigurationFileMap object, loading in the data to identify where the config file will be stored, and then calling ConfigurationManager.OpenMappedExeConfiguration to open it up into a new Co...
How can I compare two lists in python and return matches
...>>> b = [9, 8, 7, 6, 5]
>>> set(a) & set(b)
{5}
if order is significant you can do it with list comprehensions like this:
>>> [i for i, j in zip(a, b) if i == j]
[5]
(only works for equal-sized lists, which order-significance implies).
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How do I declare a 2d array in C++ using new?
... Shouldn't it be i*sizeX+j? If I recall correctly, with row major ordering it should be row*numColumns+col.
– arao6
Oct 4 '15 at 20:29
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Is it possible to force Excel recognize UTF-8 CSV files automatically?
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The UTF-8 Byte-order marker will clue Excel 2007+ in to the fact that you're using UTF-8. (See this SO post).
In case anybody is having the same issues I was, .NET's UTF8 encoding class does not output a byte-order marker in a GetBytes() c...