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Split string using a newline delimiter with Python
... to be on the safer side use .splitlines, what if the strings have spaces, etc.
– Ashwini Chaudhary
Feb 26 '14 at 13:33
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Should we pass a shared_ptr by reference or by value?
...n't that be taken into account as well (at least for constructor arguments etc where a the shared_ptr is going to be made a member of the class)?
– stijn
Jan 8 '13 at 11:12
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What is the meaning of prepended double colon “::”?
...
:: is used to link something ( a variable, a function, a class, a typedef etc...) to a namespace, or to a class.
if there is no left hand side before ::, then it underlines the fact you are using the global namespace.
e.g.:
::doMyGlobalFunction();
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How can I obtain an 'unbalanced' grid of ggplots?
...! I think copy+paste may have failed you, though; did you mean for g1, g2, etc to all be p1?
– joran
Nov 13 '11 at 19:18
3
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how to calculate binary search complexity
...is just formal mathematical lingo in order to be able to prove statements, etc. It has a very straightforward explanation. When n grows very large, the log n function will out-grow the time it takes to execute the function. The size of the "input set", n, is just the length of the list.
Simply put,...
Difference between single and double quotes in Bash
... double quotes will. For example: variables, backticks, certain \ escapes, etc.
Example:
$ echo "$(echo "upg")"
upg
$ echo '$(echo "upg")'
$(echo "upg")
The Bash manual has this to say:
3.1.2.2 Single Quotes
Enclosing characters in single quotes (') preserves the literal value of each ...
Node.js - Find home directory in platform agnostic way
...ization in terms of trailing slashes, potentially odd forward/backslashes, etc... (especially if you got file operations in mind, after getting this info)
– Frank Nocke
Oct 16 '17 at 12:37
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Difference in make_shared and normal shared_ptr in C++
...e control block (stores meta data such as ref-counts, type-erased deleter, etc)
the object being managed
std::make_shared performs a single heap-allocation accounting for the space necessary for both the control block and the data. In the other case, new Obj("foo") invokes a heap-allocation for th...
Where are environment variables stored in registry?
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User path variables (My Documents, AppData, etc) are stored at HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
– mythofechelon
Jul 31 '13 at 20:21
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What does `kill -0 $pid` in a shell script do?
...istence of a process.
Do various error checking on the process (PID, PGID, etc ...).
It will not send any output to stdout upon success.
Send an error message to stderr if something is not right.
Give you a false positive if the process is defunct (i.e. Zombie).
More explicitly, a useful function ...